<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd"> <html> <head> <meta http-equiv="content-type" content="text/html; charset=UTF-8"> <title>Mu - 022arithmetic.cc</title> <meta name="Generator" content="Vim/7.4"> <meta name="plugin-version" content="vim7.4_v2"> <meta name="syntax" content="cpp"> <meta name="settings" content="use_css,pre_wrap,no_foldcolumn,expand_tabs,prevent_copy="> <meta name="colorscheme" content="minimal"> <style type="text/css"> <!-- pre { white-space: pre-wrap; font-family: monospace; color: #eeeeee; background-color: #080808; } body { font-size: 12pt; font-family: monospace; color: #eeeeee; background-color: #080808; } * { font-size: 12pt; font-size: 1em; } .Constant { color: #00a0a0; } .Special { color: #c00000; } .traceContains { color: #008000; } .Comment { color: #9090ff; } .Delimiter { color: #800080; } .cSpecial { color: #008000; } .Identifier { color: #fcb165; } .Normal { color: #eeeeee; background-color: #080808; padding-bottom: 1px; } .PreProc { color: #800080; } --> </style> <script type='text/javascript'> <!-- --> </script> </head> <body> <pre id='vimCodeElement'> <span class="Comment">//: Arithmetic primitives</span> <span class="Delimiter">:(before "End Primitive Recipe Declarations")</span> ADD<span class="Delimiter">,</span> <span class="Delimiter">:(before "End Primitive Recipe Numbers")</span> put<span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">"add"</span><span class="Delimiter">,</span> ADD<span class="Delimiter">);</span> <span class="Delimiter">:(before "End Primitive Recipe Checks")</span> <span class="Normal">case</span> ADD: <span class="Delimiter">{</span> <span class="Comment">// primary goal of these checks is to forbid address arithmetic</span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span> i < SIZE<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">);</span> ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span> <span class="Normal">if</span> <span class="Delimiter">(</span>!is_mu_number<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">)))</span> <span class="Delimiter">{</span> raise << maybe<span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> << <span class="Constant">"'add' requires number ingredients, but got '"</span> << inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>original_string << <span class="Constant">"'</span><span class="cSpecial">\n</span><span class="Constant">"</span> << end<span class="Delimiter">();</span> <span class="Identifier">goto</span> finish_checking_instruction<span class="Delimiter">;</span> <span class="Delimiter">}</span> <span class="Delimiter">}</span> <span class="Normal">if</span> <span class="Delimiter">(</span>SIZE<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">)</span> > <span class="Constant">1</span><span class="Delimiter">)</span> <span class="Delimiter">{</span> raise << maybe<span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> << <span class="Constant">"'add' yields exactly one product in '"</span> << inst<span class="Delimiter">.</span>original_string << <span class="Constant">"'</span><span class="cSpecial">\n</span><span class="Constant">"</span> << end<span class="Delimiter">();</span> <span class="Identifier">break</span><span class="Delimiter">;</span> <span class="Delimiter">}</span> <span class="Normal">if</span> <span class="Delimiter">(</span>!inst<span class="Delimiter">.</span>products<span class="Delimiter">.</span>empty<span class="Delimiter">()</span> && !is_dummy<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">))</span> && !is_mu_number<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">)))</span> <span class="Delimiter">{</span> raise << maybe<span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> << <span class="Constant">"'add' should yield a number, but got '"</span> << inst<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>original_string << <span class="Constant">"'</span><span class="cSpecial">\n</span><span class="Constant">"</span> << end<span class="Delimiter">();</span> <span class="Identifier">break</span><span class="Delimiter">;</span> <span class="Delimiter">}</span> <span class="Identifier">break</span><span class="Delimiter">;</span> <span class="Delimiter">}</span> <span class="Delimiter">:(before "End Primitive Recipe Implementations")</span> <span class="Normal">case</span> ADD: <span class="Delimiter">{</span> <span class="Normal">double</span> result = <span class="Constant">0</span><span class="Delimiter">;</span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span> i < SIZE<span class="Delimiter">(</span>ingredients<span class="Delimiter">);</span> ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span> result += ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">);</span> <span class="Delimiter">}</span> products<span class="Delimiter">.</span>resize<span class="Delimiter">(</span><span class="Constant">1</span><span class="Delimiter">);</span> products<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>push_back<span class="Delimiter">(</span>result<span class="Delimiter">);</span> <span class="Identifier">break</span><span class="Delimiter">;</span> <span class="Delimiter">}</span> <span class="Delimiter">:(scenario add_literal)</span> def main [ <span class="Constant">1</span>:number<span class="Special"> <- </span>add <span class="Constant">23</span><span class="Delimiter">,</span> <span class="Constant">34</span> ] <span class="traceContains">+mem: storing 57 in location 1</span> <span class="Delimiter">:(scenario add)</span> def main [ <span class="Constant">1</span>:number<span class="Special"> <- </span>copy <span class="Constant">23</span> <span class="Constant">2</span>:number<span class="Special"> <- </span>copy <span class="Constant">34</span> <span class="Constant">3</span>:number<span class="Special"> <- </span>add <span class="Constant">1</span>:number<span class="Delimiter">,</span> <span class="Constant">2</span>:number ] <span class="traceContains">+mem: storing 57 in location 3</span> <span class="Delimiter">:(scenario add_multiple)</span> def main [ <span class="Constant">1</span>:number<span class="Special"> <- </span>add <span class="Constant">3</span><span class="Delimiter">,</span> <span class="Constant">4</span><span class="Delimiter">,</span> <span class="Constant">5</span> ] <span class="traceContains">+mem: storing 12 in location 1</span> <span class="Delimiter">:(scenario add_checks_type)</span> <span class="Special">% Hide_errors = true;</span> def main [ <span class="Constant">1</span>:number<span class="Special"> <- </span>add <span class="Constant">2</span>:boolean<span class="Delimiter">,</span> <span class="Constant">1</span> ] <span class="traceContains">+error: main: 'add' requires number ingredients, but got '2:boolean'</span> <span class="Delimiter">:(scenario add_checks_return_type)</span> <span class="Special">% Hide_errors = true;</span> def main [ <span class="Constant">1</span>:address:number<span class="Special"> <- </span>add <span class="Constant">2</span><span class="Delimiter">,</span> <span class="Constant">2</span> ] <span class="traceContains">+error: main: 'add' should yield a number, but got '1:address:number'</span> <span class="Delimiter">:(before "End Primitive Recipe Declarations")</span> SUBTRACT<span class="Delimiter">,</span> <span class="Delimiter">:(before "End Primitive Recipe Numbers")</span> put<span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">"subtract"</span><span class="Delimiter">,</span> SUBTRACT<span class="Delimiter">);</span> <span class="Delimiter">:(before "End Primitive Recipe Checks")</span> <span class="Normal">case</span> SUBTRACT: <span class="Delimiter">{</span> <span class="Normal">if</span> <span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>empty<span class="Delimiter">())</span> <span class="Delimiter">{</span> raise << maybe<span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> << <span class="Constant">"'subtract' has no ingredients</span><span class="cSpecial">\n</span><span class="Constant">"</span> << end<span class="Delimiter">();</span> <span class="Identifier">break</span><span class="Delimiter">;</span> <span class="Delimiter">}</span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span> i < SIZE<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">);</span> ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span> <span class="Normal">if</span> <span class="Delimiter">(</span>is_raw<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">)))</span> <span class="Identifier">continue</span><span class="Delimiter">;</span> <span class="Comment">// permit address offset computations in tests</span> <span class="Normal">if</span> <span class="Delimiter">(</span>!is_mu_number<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">)))</span> <span class="Delimiter">{</span> raise << maybe<span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> << <span class="Constant">"'subtract' requires number ingredients, but got '"</span> << inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>original_string << <span class="Constant">"'</span><span class="cSpecial">\n</span><span class="Constant">"</span> << end<span class="Delimiter">();</span> <span class="Identifier">goto</span> finish_checking_instruction<span class="Delimiter">;</span> <span class="Delimiter">}</span> <span class="Delimiter">}</span> <span class="Normal">if</span> <span class="Delimiter">(</span>SIZE<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">)</span> > <span class="Constant">1</span><span class="Delimiter">)</span> <span class="Delimiter">{</span> raise << maybe<span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> << <span class="Constant">"'subtract' yields exactly one product in '"</span> << inst<span class="Delimiter">.</span>original_string << <span class="Constant">"'</span><span class="cSpecial">\n</span><span class="Constant">"</span> << end<span class="Delimiter">();</span> <span class="Identifier">break</span><span class="Delimiter">;</span> <span class="Delimiter">}</span> <span class="Normal">if</span> <span class="Delimiter">(</span>!inst<span class="Delimiter">.</span>products<span class="Delimiter">.</span>empty<span class="Delimiter">()</span> && !is_dummy<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">))</span> && !is_mu_number<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">)))</span> <span class="Delimiter">{</span> raise << maybe<span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> << <span class="Constant">"'subtract' should yield a number, but got '"</span> << inst<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>original_string << <span class="Constant">"'</span><span class="cSpecial">\n</span><span class="Constant">"</span> << end<span class="Delimiter">();</span> <span class="Identifier">break</span><span class="Delimiter">;</span> <span class="Delimiter">}</span> <span class="Identifier">break</span><span class="Delimiter">;</span> <span class="Delimiter">}</span> <span class="Delimiter">:(before "End Primitive Recipe Implementations")</span> <span class="Normal">case</span> SUBTRACT: <span class="Delimiter">{</span> <span class="Normal">double</span> result = ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">);</span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">1</span><span class="Delimiter">;</span> i < SIZE<span class="Delimiter">(</span>ingredients<span class="Delimiter">);</span> ++i<span class="Delimiter">)</span> result -= ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">);</span> products<span class="Delimiter">.</span>resize<span class="Delimiter">(</span><span class="Constant">1</span><span class="Delimiter">);</span> products<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>push_back<span class="Delimiter">(</span>result<span class="Delimiter">);</span> <span class="Identifier">break</span><span class="Delimiter">;</span> <span class="Delimiter">}</span> <span class="Delimiter">:(code)</span> <span class="Normal">bool</span> is_raw<span class="Delimiter">(</span><span class="Normal">const</span> reagent& r<span class="Delimiter">)</span> <span class="Delimiter">{</span> <span class="Identifier">return</span> has_property<span class="Delimiter">(</span>r<span class="Delimiter">,</span> <span class="Constant">"raw"</span><span class="Delimiter">);</span> <span class="Delimiter">}</span> <span class="Delimiter">:(scenario subtract_literal)</span> def main [ <span class="Constant">1</span>:number<span class="Special"> <- </span>subtract <span class="Constant">5</span><span class="Delimiter">,</span> <span class="Constant">2</span> ] <span class="traceContains">+mem: storing 3 in location 1</span> <span class="Delimiter">:(scenario subtract)</span> def main [ <span class="Constant">1</span>:number<span class="Special"> <- </span>copy <span class="Constant">23</span> <span class="Constant">2</span>:number<span class="Special"> <- </span>copy <span class="Constant">34</span> <span class="Constant">3</span>:number<span class="Special"> <- </span>subtract <span class="Constant">1</span>:number<span class="Delimiter">,</span> <span class="Constant">2</span>:number ] <span class="traceContains">+mem: storing -11 in location 3</span> <span class="Delimiter">:(scenario subtract_multiple)</span> def main [ <span class="Constant">1</span>:number<span class="Special"> <- </span>subtract <span class="Constant">6</span><span class="Delimiter">,</span> <span class="Constant">3</span><span class="Delimiter">,</span> <span class="Constant">2</span> ] <span class="traceContains">+mem: storing 1 in location 1</span> <span class="Delimiter">:(before "End Primitive Recipe Declarations")</span> MULTIPLY<span class="Delimiter">,</span> <span class="Delimiter">:(before "End Primitive Recipe Numbers")</span> put<span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">"multiply"</span><span class="Delimiter">,</span> MULTIPLY<span class="Delimiter">);</span> <span class="Delimiter">:(before "End Primitive Recipe Checks")</span> <span class="Normal">case</span> MULTIPLY: <span class="Delimiter">{</span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span> i < SIZE<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">);</span> ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span> <span class="Normal">if</span> <span class="Delimiter">(</span>!is_mu_number<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">)))</span> <span class="Delimiter">{</span> raise << maybe<span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> << <span class="Constant">"'multiply' requires number ingredients, but got '"</span> << inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>original_string << <span class="Constant">"'</span><span class="cSpecial">\n</span><span class="Constant">"</span> << end<span class="Delimiter">();</span> <span class="Identifier">goto</span> finish_checking_instruction<span class="Delimiter">;</span> <span class="Delimiter">}</span> <span class="Delimiter">}</span> <span class="Normal">if</span> <span class="Delimiter">(</span>SIZE<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">)</span> > <span class="Constant">1</span><span class="Delimiter">)</span> <span class="Delimiter">{</span> raise << maybe<span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> << <span class="Constant">"'multiply' yields exactly one product in '"</span> << inst<span class="Delimiter">.</span>original_string << <span class="Constant">"'</span><span class="cSpecial">\n</span><span class="Constant">"</span> << end<span class="Delimiter">();</span> <span class="Identifier">break</span><span class="Delimiter">;</span> <span class="Delimiter">}</span> <span class="Normal">if</span> <span class="Delimiter">(</span>!inst<span class="Delimiter">.</span>products<span class="Delimiter">.</span>empty<span class="Delimiter">()</span> && !is_dummy<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">))</span> && !is_mu_number<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">)))</span> <span class="Delimiter">{</span> raise << maybe<span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> << <span class="Constant">"'multiply' should yield a number, but got '"</span> << inst<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>original_string << <span class="Constant">"'</span><span class="cSpecial">\n</span><span class="Constant">"</span> << end<span class="Delimiter">();</span> <span class="Identifier">break</span><span class="Delimiter">;</span> <span class="Delimiter">}</span> <span class="Identifier">break</span><span class="Delimiter">;</span> <span class="Delimiter">}</span> <span class="Delimiter">:(before "End Primitive Recipe Implementations")</span> <span class="Normal">case</span> MULTIPLY: <span class="Delimiter">{</span> <span class="Normal">double</span> result = <span class="Constant">1</span><span class="Delimiter">;</span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span> i < SIZE<span class="Delimiter">(</span>ingredients<span class="Delimiter">);</span> ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span> result *= ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">);</span> <span class="Delimiter">}</span> products<span class="Delimiter">.</span>resize<span class="Delimiter">(</span><span class="Constant">1</span><span class="Delimiter">);</span> products<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>push_back<span class="Delimiter">(</span>result<span class="Delimiter">);</span> <span class="Identifier">break</span><span class="Delimiter">;</span> <span class="Delimiter">}</span> <span class="Delimiter">:(scenario multiply_literal)</span> def main [ <span class="Constant">1</span>:number<span class="Special"> <- </span>multiply <span class="Constant">2</span><span class="Delimiter">,</span> <span class="Constant">3</span> ] <span class="traceContains">+mem: storing 6 in location 1</span> <span class="Delimiter">:(scenario multiply)</span> def main [ <span class="Constant">1</span>:number<span class="Special"> <- </span>copy <span class="Constant">4</span> <span class="Constant">2</span>:number<span class="Special"> <- </span>copy <span class="Constant">6</span> <span class="Constant">3</span>:number<span class="Special"> <- </span>multiply <span class="Constant">1</span>:number<span class="Delimiter">,</span> <span class="Constant">2</span>:number ] <span class="traceContains">+mem: storing 24 in location 3</span> <span class="Delimiter">:(scenario multiply_multiple)</span> def main [ <span class="Constant">1</span>:number<span class="Special"> <- </span>multiply <span class="Constant">2</span><span class="Delimiter">,</span> <span class="Constant">3</span><span class="Delimiter">,</span> <span class="Constant">4</span> ] <span class="traceContains">+mem: storing 24 in location 1</span> <span class="Delimiter">:(before "End Primitive Recipe Declarations")</span> DIVIDE<span class="Delimiter">,</span> <span class="Delimiter">:(before "End Primitive Recipe Numbers")</span> put<span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">"divide"</span><span class="Delimiter">,</span> DIVIDE<span class="Delimiter">);</span> <span class="Delimiter">:(before "End Primitive Recipe Checks")</span> <span class="Normal">case</span> DIVIDE: <span class="Delimiter">{</span> <span class="Normal">if</span> <span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>empty<span class="Delimiter">())</span> <span class="Delimiter">{</span> raise << maybe<span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> << <span class="Constant">"'divide' has no ingredients</span><span class="cSpecial">\n</span><span class="Constant">"</span> << end<span class="Delimiter">();</span> <span class="Identifier">break</span><span class="Delimiter">;</span> <span class="Delimiter">}</span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span> i < SIZE<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">);</span> ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span> <span class="Normal">if</span> <span class="Delimiter">(</span>!is_mu_number<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">)))</span> <span class="Delimiter">{</span> raise << maybe<span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> << <span class="Constant">"'divide' requires number ingredients, but got '"</span> << inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>original_string << <span class="Constant">"'</span><span class="cSpecial">\n</span><span class="Constant">"</span> << end<span class="Delimiter">();</span> <span class="Identifier">goto</span> finish_checking_instruction<span class="Delimiter">;</span> <span class="Delimiter">}</span> <span class="Delimiter">}</span> <span class="Normal">if</span> <span class="Delimiter">(</span>SIZE<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">)</span> > <span class="Constant">1</span><span class="Delimiter">)</span> <span class="Delimiter">{</span> raise << maybe<span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> << <span class="Constant">"'divide' yields exactly one product in '"</span> << inst<span class="Delimiter">.</span>original_string << <span class="Constant">"'</span><span class="cSpecial">\n</span><span class="Constant">"</span> << end<span class="Delimiter">();</span> <span class="Identifier">break</span><span class="Delimiter">;</span> <span class="Delimiter">}</span> <span class="Normal">if</span> <span class="Delimiter">(</span>!inst<span class="Delimiter">.</span>products<span class="Delimiter">.</span>empty<span class="Delimiter">()</span> && !is_dummy<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">))</span> && !is_mu_number<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">)))</span> <span class="Delimiter">{</span> raise << maybe<span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> << <span class="Constant">"'divide' should yield a number, but got '"</span> << inst<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>original_string << <span class="Constant">"'</span><span class="cSpecial">\n</span><span class="Constant">"</span> << end<span class="Delimiter">();</span> <span class="Identifier">break</span><span class="Delimiter">;</span> <span class="Delimiter">}</span> <span class="Identifier">break</span><span class="Delimiter">;</span> <span class="Delimiter">}</span> <span class="Delimiter">:(before "End Primitive Recipe Implementations")</span> <span class="Normal">case</span> DIVIDE: <span class="Delimiter">{</span> <span class="Normal">double</span> result = ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">);</span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">1</span><span class="Delimiter">;</span> i < SIZE<span class="Delimiter">(</span>ingredients<span class="Delimiter">);</span> ++i<span class="Delimiter">)</span> result /= ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">);</span> products<span class="Delimiter">.</span>resize<span class="Delimiter">(</span><span class="Constant">1</span><span class="Delimiter">);</span> products<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>push_back<span class="Delimiter">(</span>result<span class="Delimiter">);</span> <span class="Identifier">break</span><span class="Delimiter">;</span> <span class="Delimiter">}</span> <span class="Delimiter">:(scenario divide_literal)</span> def main [ <span class="Constant">1</span>:number<span class="Special"> <- </span>divide <span class="Constant">8</span><span class="Delimiter">,</span> <span class="Constant">2</span> ] <span class="traceContains">+mem: storing 4 in location 1</span> <span class="Delimiter">:(scenario divide)</span> def main [ <span class="Constant">1</span>:number<span class="Special"> <- </span>copy <span class="Constant">27</span> <span class="Constant">2</span>:number<span class="Special"> <- </span>copy <span class="Constant">3</span> <span class="Constant">3</span>:number<span class="Special"> <- </span>divide <span class="Constant">1</span>:number<span class="Delimiter">,</span> <span class="Constant">2</span>:number ] <span class="traceContains">+mem: storing 9 in location 3</span> <span class="Delimiter">:(scenario divide_multiple)</span> def main [ <span class="Constant">1</span>:number<span class="Special"> <- </span>divide <span class="Constant">12</span><span class="Delimiter">,</span> <span class="Constant">3</span><span class="Delimiter">,</span> <span class="Constant">2</span> ] <span class="traceContains">+mem: storing 2 in location 1</span> <span class="Comment">//: Integer division</span> <span class="Delimiter">:(before "End Primitive Recipe Declarations")</span> DIVIDE_WITH_REMAINDER<span class="Delimiter">,</span> <span class="Delimiter">:(before "End Primitive Recipe Numbers")</span> put<span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">"divide-with-remainder"</span><span class="Delimiter">,</span> DIVIDE_WITH_REMAINDER<span class="Delimiter">);</span> <span class="Delimiter">:(before "End Primitive Recipe Checks")</span> <span class="Normal">case</span> DIVIDE_WITH_REMAINDER: <span class="Delimiter">{</span> <span class="Normal">if</span> <span class="Delimiter">(</span>SIZE<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">)</span> != <span class="Constant">2</span><span class="Delimiter">)</span> <span class="Delimiter">{</span> raise << maybe<span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> << <span class="Constant">"'divide-with-remainder' requires exactly two ingredients, but got '"</span> << inst<span class="Delimiter">.</span>original_string << <span class="Constant">"'</span><span class="cSpecial">\n</span><span class="Constant">"</span> << end<span class="Delimiter">();</span> <span class="Identifier">break</span><span class="Delimiter">;</span> <span class="Delimiter">}</span> <span class="Normal">if</span> <span class="Delimiter">(</span>!is_mu_number<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">))</span> || !is_mu_number<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">1</span><span class="Delimiter">)))</span> <span class="Delimiter">{</span> raise << maybe<span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> << <span class="Constant">"'divide-with-remainder' requires number ingredients, but got '"</span> << inst<span class="Delimiter">.</span>original_string << <span class="Constant">"'</span><span class="cSpecial">\n</span><span class="Constant">"</span> << end<span class="Delimiter">();</span> <span class="Identifier">break</span><span class="Delimiter">;</span> <span class="Delimiter">}</span> <span class="Normal">if</span> <span class="Delimiter">(</span>SIZE<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">)</span> > <span class="Constant">2</span><span class="Delimiter">)</span> <span class="Delimiter">{</span> raise << maybe<span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> << <span class="Constant">"'divide-with-remainder' yields two products in '"</span> << inst<span class="Delimiter">.</span>original_string << <span class="Constant">"'</span><span class="cSpecial">\n</span><span class="Constant">"</span> << end<span class="Delimiter">();</span> <span class="Identifier">break</span><span class="Delimiter">;</span> <span class="Delimiter">}</span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span> i < SIZE<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">);</span> ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span> <span class="Normal">if</span> <span class="Delimiter">(</span>!is_dummy<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">))</span> && !is_mu_number<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">)))</span> <span class="Delimiter">{</span> raise << maybe<span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> << <span class="Constant">"'divide-with-remainder' should yield a number, but got '"</span> << inst<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>original_string << <span class="Constant">"'</span><span class="cSpecial">\n</span><span class="Constant">"</span> << end<span class="Delimiter">();</span> <span class="Identifier">goto</span> finish_checking_instruction<span class="Delimiter">;</span> <span class="Delimiter">}</span> <span class="Delimiter">}</span> <span class="Identifier">break</span><span class="Delimiter">;</span> <span class="Delimiter">}</span> <span class="Delimiter">:(before "End Primitive Recipe Implementations")</span> <span class="Normal">case</span> DIVIDE_WITH_REMAINDER: <span class="Delimiter">{</span> products<span class="Delimiter">.</span>resize<span class="Delimiter">(</span><span class="Constant">2</span><span class="Delimiter">);</span> <span class="Normal">int</span> a = <span class="Normal">static_cast</span><<span class="Normal">int</span>><span class="Delimiter">(</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">));</span> <span class="Normal">int</span> b = <span class="Normal">static_cast</span><<span class="Normal">int</span>><span class="Delimiter">(</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">1</span><span class="Delimiter">).</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">));</span> <span class="Normal">if</span> <span class="Delimiter">(</span>b == <span class="Constant">0</span><span class="Delimiter">)</span> <span class="Delimiter">{</span> raise << maybe<span class="Delimiter">(</span>current_recipe_name<span class="Delimiter">())</span> << <span class="Constant">"divide by zero in '"</span> << to_original_string<span class="Delimiter">(</span>current_instruction<span class="Delimiter">())</span> << <span class="Constant">"'</span><span class="cSpecial">\n</span><span class="Constant">"</span> << end<span class="Delimiter">();</span> products<span class="Delimiter">.</span>resize<span class="Delimiter">(</span><span class="Constant">2</span><span class="Delimiter">);</span> products<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>push_back<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">);</span> products<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">1</span><span class="Delimiter">).</span>push_back<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">);</span> <span class="Identifier">break</span><span class="Delimiter">;</span> <span class="Delimiter">}</span> <span class="Normal">int</span> quotient = a / b<span class="Delimiter">;</span> <span class="Normal">int</span> remainder = a % b<span class="Delimiter">;</span> <span class="Comment">// very large integers will lose precision</span> products<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>push_back<span class="Delimiter">(</span>quotient<span class="Delimiter">);</span> products<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">1</span><span class="Delimiter">).</span>push_back<span class="Delimiter">(</span>remainder<span class="Delimiter">);</span> <span class="Identifier">break</span><span class="Delimiter">;</span> <span class="Delimiter">}</span> <span class="Delimiter">:(scenario divide_with_remainder_literal)</span> def main [ <span class="Constant">1</span>:number<span class="Delimiter">,</span> <span class="Constant">2</span>:number<span class="Special"> <- </span>divide-with-remainder <span class="Constant">9</span><span class="Delimiter">,</span> <span class="Constant">2</span> ] <span class="traceContains">+mem: storing 4 in location 1</span> <span class="traceContains">+mem: storing 1 in location 2</span> <span class="Delimiter">:(scenario divide_with_remainder)</span> def main [ <span class="Constant">1</span>:number<span class="Special"> <- </span>copy <span class="Constant">27</span> <span class="Constant">2</span>:number<span class="Special"> <- </span>copy <span class="Constant">11</span> <span class="Constant">3</span>:number<span class="Delimiter">,</span> <span class="Constant">4</span>:number<span class="Special"> <- </span>divide-with-remainder <span class="Constant">1</span>:number<span class="Delimiter">,</span> <span class="Constant">2</span>:number ] <span class="traceContains">+mem: storing 2 in location 3</span> <span class="traceContains">+mem: storing 5 in location 4</span> <span class="Delimiter">:(scenario divide_with_decimal_point)</span> def main [ <span class="Constant">1</span>:number<span class="Special"> <- </span>divide <span class="Constant">5</span><span class="Delimiter">,</span> <span class="Constant">2</span> ] <span class="traceContains">+mem: storing 2.5 in location 1</span> <span class="Delimiter">:(scenario divide_by_zero)</span> def main [ <span class="Constant">1</span>:number<span class="Special"> <- </span>divide <span class="Constant">4</span><span class="Delimiter">,</span> <span class="Constant">0</span> ] <span class="traceContains">+mem: storing inf in location 1</span> <span class="Delimiter">:(scenario divide_by_zero_2)</span> <span class="Special">% Hide_errors = true;</span> def main [ <span class="Constant">1</span>:number<span class="Special"> <- </span>divide-with-remainder <span class="Constant">4</span><span class="Delimiter">,</span> <span class="Constant">0</span> ] <span class="Comment"># integer division can't return floating-point infinity</span> <span class="traceContains">+error: main: divide by zero in '1:number <- divide-with-remainder 4, 0'</span> <span class="Comment">//: Bitwise shifts</span> <span class="Delimiter">:(before "End Primitive Recipe Declarations")</span> SHIFT_LEFT<span class="Delimiter">,</span> <span class="Delimiter">:(before "End Primitive Recipe Numbers")</span> put<span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">"shift-left"</span><span class="Delimiter">,</span> SHIFT_LEFT<span class="Delimiter">);</span> <span class="Delimiter">:(before "End Primitive Recipe Checks")</span> <span class="Normal">case</span> SHIFT_LEFT: <span class="Delimiter">{</span> <span class="Normal">if</span> <span class="Delimiter">(</span>SIZE<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">)</span> != <span class="Constant">2</span><span class="Delimiter">)</span> <span class="Delimiter">{</span> raise << maybe<span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> << <span class="Constant">"'shift-left' requires exactly two ingredients, but got '"</span> << inst<span class="Delimiter">.</span>original_string << <span class="Constant">"'</span><span class="cSpecial">\n</span><span class="Constant">"</span> << end<span class="Delimiter">();</span> <span class="Identifier">break</span><span class="Delimiter">;</span> <span class="Delimiter">}</span> <span class="Normal">if</span> <span class="Delimiter">(</span>!is_mu_number<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">))</span> || !is_mu_number<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">1</span><span class="Delimiter">)))</span> <span class="Delimiter">{</span> raise << maybe<span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> << <span class="Constant">"'shift-left' requires number ingredients, but got '"</span> << inst<span class="Delimiter">.</span>original_string << <span class="Constant">"'</span><span class="cSpecial">\n</span><span class="Constant">"</span> << end<span class="Delimiter">();</span> <span class="Identifier">break</span><span class="Delimiter">;</span> <span class="Delimiter">}</span> <span class="Normal">if</span> <span class="Delimiter">(</span>SIZE<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">)</span> > <span class="Constant">1</span><span class="Delimiter">)</span> <span class="Delimiter">{</span> raise << maybe<span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> << <span class="Constant">"'shift-left' yields one product in '"</span> << inst<span class="Delimiter">.</span>original_string << <span class="Constant">"'</span><span class="cSpecial">\n</span><span class="Constant">"</span> << end<span class="Delimiter">();</span> <span class="Identifier">break</span><span class="Delimiter">;</span> <span class="Delimiter">}</span> <span class="Normal">if</span> <span class="Delimiter">(</span>!inst<span class="Delimiter">.</span>products<span class="Delimiter">.</span>empty<span class="Delimiter">()</span> && !is_dummy<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">))</span> && !is_mu_number<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">)))</span> <span class="Delimiter">{</span> raise << maybe<span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> << <span class="Constant">"'shift-left' should yield a number, but got '"</span> << inst<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>original_string << <span class="Constant">"'</span><span class="cSpecial">\n</span><span class="Constant">"</span> << end<span class="Delimiter">();</span> <span class="Identifier">goto</span> finish_checking_instruction<span class="Delimiter">;</span> <span class="Delimiter">}</span> <span class="Identifier">break</span><span class="Delimiter">;</span> <span class="Delimiter">}</span> <span class="Delimiter">:(before "End Primitive Recipe Implementations")</span> <span class="Normal">case</span> SHIFT_LEFT: <span class="Delimiter">{</span> <span class="Comment">// ingredients must be integers</span> <span class="Normal">int</span> a = <span class="Normal">static_cast</span><<span class="Normal">int</span>><span class="Delimiter">(</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">));</span> <span class="Normal">int</span> b = <span class="Normal">static_cast</span><<span class="Normal">int</span>><span class="Delimiter">(</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">1</span><span class="Delimiter">).</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">));</span> products<span class="Delimiter">.</span>resize<span class="Delimiter">(</span><span class="Constant">1</span><span class="Delimiter">);</span> <span class="Normal">if</span> <span class="Delimiter">(</span>b < <span class="Constant">0</span><span class="Delimiter">)</span> <span class="Delimiter">{</span> raise << maybe<span class="Delimiter">(</span>current_recipe_name<span class="Delimiter">())</span> << <span class="Constant">"second ingredient can't be negative in '"</span> << to_original_string<span class="Delimiter">(</span>current_instruction<span class="Delimiter">())</span> << <span class="Constant">"'</span><span class="cSpecial">\n</span><span class="Constant">"</span> << end<span class="Delimiter">();</span> products<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>push_back<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">);</span> <span class="Identifier">break</span><span class="Delimiter">;</span> <span class="Delimiter">}</span> products<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>push_back<span class="Delimiter">(</span>a<<b<span class="Delimiter">);</span> <span class="Identifier">break</span><span class="Delimiter">;</span> <span class="Delimiter">}</span> <span class="Delimiter">:(scenario shift_left_by_zero)</span> def main [ <span class="Constant">1</span>:number<span class="Special"> <- </span>shift-left <span class="Constant">1</span><span class="Delimiter">,</span> <span class="Constant">0</span> ] <span class="traceContains">+mem: storing 1 in location 1</span> <span class="Delimiter">:(scenario shift_left_1)</span> def main [ <span class="Constant">1</span>:number<span class="Special"> <- </span>shift-left <span class="Constant">1</span><span class="Delimiter">,</span> <span class="Constant">4</span> ] <span class="traceContains">+mem: storing 16 in location 1</span> <span class="Delimiter">:(scenario shift_left_2)</span> def main [ <span class="Constant">1</span>:number<span class="Special"> <- </span>shift-left <span class="Constant">3</span><span class="Delimiter">,</span> <span class="Constant">2</span> ] <span class="traceContains">+mem: storing 12 in location 1</span> <span class="Delimiter">:(scenario shift_left_by_negative)</span> <span class="Special">% Hide_errors = true;</span> def main [ <span class="Constant">1</span>:number<span class="Special"> <- </span>shift-left <span class="Constant">3</span><span class="Delimiter">,</span> -<span class="Constant">1</span> ] <span class="traceContains">+error: main: second ingredient can't be negative in '1:number <- shift-left 3, -1'</span> <span class="Delimiter">:(scenario shift_left_ignores_fractional_part)</span> def main [ <span class="Constant">1</span>:number<span class="Special"> <- </span>divide <span class="Constant">3</span><span class="Delimiter">,</span> <span class="Constant">2</span> <span class="Constant">2</span>:number<span class="Special"> <- </span>shift-left <span class="Constant">1</span>:number<span class="Delimiter">,</span> <span class="Constant">1</span> ] <span class="traceContains">+mem: storing 2 in location 2</span> <span class="Delimiter">:(before "End Primitive Recipe Declarations")</span> SHIFT_RIGHT<span class="Delimiter">,</span> <span class="Delimiter">:(before "End Primitive Recipe Numbers")</span> put<span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">"shift-right"</span><span class="Delimiter">,</span> SHIFT_RIGHT<span class="Delimiter">);</span> <span class="Delimiter">:(before "End Primitive Recipe Checks")</span> <span class="Normal">case</span> SHIFT_RIGHT: <span class="Delimiter">{</span> <span class="Normal">if</span> <span class="Delimiter">(</span>SIZE<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">)</span> != <span class="Constant">2</span><span class="Delimiter">)</span> <span class="Delimiter">{</span> raise << maybe<span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> << <span class="Constant">"'shift-right' requires exactly two ingredients, but got '"</span> << inst<span class="Delimiter">.</span>original_string << <span class="Constant">"'</span><span class="cSpecial">\n</span><span class="Constant">"</span> << end<span class="Delimiter">();</span> <span class="Identifier">break</span><span class="Delimiter">;</span> <span class="Delimiter">}</span> <span class="Normal">if</span> <span class="Delimiter">(</span>!is_mu_number<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">))</span> || !is_mu_number<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">1</span><span class="Delimiter">)))</span> <span class="Delimiter">{</span> raise << maybe<span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> << <span class="Constant">"'shift-right' requires number ingredients, but got '"</span> << inst<span class="Delimiter">.</span>original_string << <span class="Constant">"'</span><span class="cSpecial">\n</span><span class="Constant">"</span> << end<span class="Delimiter">();</span> <span class="Identifier">break</span><span class="Delimiter">;</span> <span class="Delimiter">}</span> <span class="Normal">if</span> <span class="Delimiter">(</span>SIZE<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">)</span> > <span class="Constant">1</span><span class="Delimiter">)</span> <span class="Delimiter">{</span> raise << maybe<span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> << <span class="Constant">"'shift-right' yields one product in '"</span> << inst<span class="Delimiter">.</span>original_string << <span class="Constant">"'</span><span class="cSpecial">\n</span><span class="Constant">"</span> << end<span class="Delimiter">();</span> <span class="Identifier">break</span><span class="Delimiter">;</span> <span class="Delimiter">}</span> <span class="Normal">if</span> <span class="Delimiter">(</span>!inst<span class="Delimiter">.</span>products<span class="Delimiter">.</span>empty<span class="Delimiter">()</span> && !is_dummy<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">))</span> && !is_mu_number<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">)))</span> <span class="Delimiter">{</span> raise << maybe<span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> << <span class="Constant">"'shift-right' should yield a number, but got '"</span> << inst<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>original_string << <span class="Constant">"'</span><span class="cSpecial">\n</span><span class="Constant">"</span> << end<span class="Delimiter">();</span> <span class="Identifier">goto</span> finish_checking_instruction<span class="Delimiter">;</span> <span class="Delimiter">}</span> <span class="Identifier">break</span><span class="Delimiter">;</span> <span class="Delimiter">}</span> <span class="Delimiter">:(before "End Primitive Recipe Implementations")</span> <span class="Normal">case</span> SHIFT_RIGHT: <span class="Delimiter">{</span> <span class="Comment">// ingredients must be integers</span> <span class="Normal">int</span> a = <span class="Normal">static_cast</span><<span class="Normal">int</span>><span class="Delimiter">(</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">));</span> <span class="Normal">int</span> b = <span class="Normal">static_cast</span><<span class="Normal">int</span>><span class="Delimiter">(</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">1</span><span class="Delimiter">).</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">));</span> products<span class="Delimiter">.</span>resize<span class="Delimiter">(</span><span class="Constant">1</span><span class="Delimiter">);</span> <span class="Normal">if</span> <span class="Delimiter">(</span>b < <span class="Constant">0</span><span class="Delimiter">)</span> <span class="Delimiter">{</span> raise << maybe<span class="Delimiter">(</span>current_recipe_name<span class="Delimiter">())</span> << <span class="Constant">"second ingredient can't be negative in '"</span> << to_original_string<span class="Delimiter">(</span>current_instruction<span class="Delimiter">())</span> << <span class="Constant">"'</span><span class="cSpecial">\n</span><span class="Constant">"</span> << end<span class="Delimiter">();</span> products<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>push_back<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">);</span> <span class="Identifier">break</span><span class="Delimiter">;</span> <span class="Delimiter">}</span> products<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>push_back<span class="Delimiter">(</span>a>>b<span class="Delimiter">);</span> <span class="Identifier">break</span><span class="Delimiter">;</span> <span class="Delimiter">}</span> <span class="Delimiter">:(scenario shift_right_by_zero)</span> def main [ <span class="Constant">1</span>:number<span class="Special"> <- </span>shift-right <span class="Constant">1</span><span class="Delimiter">,</span> <span class="Constant">0</span> ] <span class="traceContains">+mem: storing 1 in location 1</span> <span class="Delimiter">:(scenario shift_right_1)</span> def main [ <span class="Constant">1</span>:number<span class="Special"> <- </span>shift-right <span class="Constant">1024</span><span class="Delimiter">,</span> <span class="Constant">1</span> ] <span class="traceContains">+mem: storing 512 in location 1</span> <span class="Delimiter">:(scenario shift_right_2)</span> def main [ <span class="Constant">1</span>:number<span class="Special"> <- </span>shift-right <span class="Constant">3</span><span class="Delimiter">,</span> <span class="Constant">1</span> ] <span class="traceContains">+mem: storing 1 in location 1</span> <span class="Delimiter">:(scenario shift_right_by_negative)</span> <span class="Special">% Hide_errors = true;</span> def main [ <span class="Constant">1</span>:number<span class="Special"> <- </span>shift-right <span class="Constant">4</span><span class="Delimiter">,</span> -<span class="Constant">1</span> ] <span class="traceContains">+error: main: second ingredient can't be negative in '1:number <- shift-right 4, -1'</span> <span class="Delimiter">:(scenario shift_right_ignores_fractional_part)</span> def main [ <span class="Constant">1</span>:number<span class="Special"> <- </span>divide <span class="Constant">3</span><span class="Delimiter">,</span> <span class="Constant">2</span> <span class="Constant">2</span>:number<span class="Special"> <- </span>shift-right <span class="Constant">1</span>:number<span class="Delimiter">,</span> <span class="Constant">1</span> ] <span class="traceContains">+mem: storing 0 in location 2</span> <span class="Delimiter">:(before "End Primitive Recipe Declarations")</span> AND_BITS<span class="Delimiter">,</span> <span class="Delimiter">:(before "End Primitive Recipe Numbers")</span> put<span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">"and-bits"</span><span class="Delimiter">,</span> AND_BITS<span class="Delimiter">);</span> <span class="Delimiter">:(before "End Primitive Recipe Checks")</span> <span class="Normal">case</span> AND_BITS: <span class="Delimiter">{</span> <span class="Normal">if</span> <span class="Delimiter">(</span>SIZE<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">)</span> != <span class="Constant">2</span><span class="Delimiter">)</span> <span class="Delimiter">{</span> raise << maybe<span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> << <span class="Constant">"'and-bits' requires exactly two ingredients, but got '"</span> << inst<span class="Delimiter">.</span>original_string << <span class="Constant">"'</span><span class="cSpecial">\n</span><span class="Constant">"</span> << end<span class="Delimiter">();</span> <span class="Identifier">break</span><span class="Delimiter">;</span> <span class="Delimiter">}</span> <span class="Normal">if</span> <span class="Delimiter">(</span>!is_mu_number<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">))</span> || !is_mu_number<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">1</span><span class="Delimiter">)))</span> <span class="Delimiter">{</span> raise << maybe<span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> << <span class="Constant">"'and-bits' requires number ingredients, but got '"</span> << inst<span class="Delimiter">.</span>original_string << <span class="Constant">"'</span><span class="cSpecial">\n</span><span class="Constant">"</span> << end<span class="Delimiter">();</span> <span class="Identifier">break</span><span class="Delimiter">;</span> <span class="Delimiter">}</span> <span class="Normal">if</span> <span class="Delimiter">(</span>SIZE<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">)</span> > <span class="Constant">1</span><span class="Delimiter">)</span> <span class="Delimiter">{</span> raise << maybe<span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> << <span class="Constant">"'and-bits' yields one product in '"</span> << inst<span class="Delimiter">.</span>original_string << <span class="Constant">"'</span><span class="cSpecial">\n</span><span class="Constant">"</span> << end<span class="Delimiter">();</span> <span class="Identifier">break</span><span class="Delimiter">;</span> <span class="Delimiter">}</span> <span class="Normal">if</span> <span class="Delimiter">(</span>!inst<span class="Delimiter">.</span>products<span class="Delimiter">.</span>empty<span class="Delimiter">()</span> && !is_dummy<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">))</span> && !is_mu_number<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">)))</span> <span class="Delimiter">{</span> raise << maybe<span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> << <span class="Constant">"'and-bits' should yield a number, but got '"</span> << inst<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>original_string << <span class="Constant">"'</span><span class="cSpecial">\n</span><span class="Constant">"</span> << end<span class="Delimiter">();</span> <span class="Identifier">goto</span> finish_checking_instruction<span class="Delimiter">;</span> <span class="Delimiter">}</span> <span class="Identifier">break</span><span class="Delimiter">;</span> <span class="Delimiter">}</span> <span class="Delimiter">:(before "End Primitive Recipe Implementations")</span> <span class="Normal">case</span> AND_BITS: <span class="Delimiter">{</span> <span class="Comment">// ingredients must be integers</span> <span class="Normal">int</span> a = <span class="Normal">static_cast</span><<span class="Normal">int</span>><span class="Delimiter">(</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">));</span> <span class="Normal">int</span> b = <span class="Normal">static_cast</span><<span class="Normal">int</span>><span class="Delimiter">(</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">1</span><span class="Delimiter">).</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">));</span> products<span class="Delimiter">.</span>resize<span class="Delimiter">(</span><span class="Constant">1</span><span class="Delimiter">);</span> products<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>push_back<span class="Delimiter">(</span>a&b<span class="Delimiter">);</span> <span class="Identifier">break</span><span class="Delimiter">;</span> <span class="Delimiter">}</span> <span class="Delimiter">:(scenario and_bits_1)</span> def main [ <span class="Constant">1</span>:number<span class="Special"> <- </span><span class="Normal">and</span>-bits <span class="Constant">8</span><span class="Delimiter">,</span> <span class="Constant">3</span> ] <span class="traceContains">+mem: storing 0 in location 1</span> <span class="Delimiter">:(scenario and_bits_2)</span> def main [ <span class="Constant">1</span>:number<span class="Special"> <- </span><span class="Normal">and</span>-bits <span class="Constant">3</span><span class="Delimiter">,</span> <span class="Constant">2</span> ] <span class="traceContains">+mem: storing 2 in location 1</span> <span class="Delimiter">:(scenario and_bits_3)</span> def main [ <span class="Constant">1</span>:number<span class="Special"> <- </span><span class="Normal">and</span>-bits <span class="Constant">14</span><span class="Delimiter">,</span> <span class="Constant">3</span> ] <span class="traceContains">+mem: storing 2 in location 1</span> <span class="Delimiter">:(scenario and_bits_negative)</span> def main [ <span class="Constant">1</span>:number<span class="Special"> <- </span><span class="Normal">and</span>-bits -<span class="Constant">3</span><span class="Delimiter">,</span> <span class="Constant">4</span> ] <span class="traceContains">+mem: storing 4 in location 1</span> <span class="Delimiter">:(before "End Primitive Recipe Declarations")</span> OR_BITS<span class="Delimiter">,</span> <span class="Delimiter">:(before "End Primitive Recipe Numbers")</span> put<span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">"or-bits"</span><span class="Delimiter">,</span> OR_BITS<span class="Delimiter">);</span> <span class="Delimiter">:(before "End Primitive Recipe Checks")</span> <span class="Normal">case</span> OR_BITS: <span class="Delimiter">{</span> <span class="Normal">if</span> <span class="Delimiter">(</span>SIZE<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">)</span> != <span class="Constant">2</span><span class="Delimiter">)</span> <span class="Delimiter">{</span> raise << maybe<span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> << <span class="Constant">"'or-bits' requires exactly two ingredients, but got '"</span> << inst<span class="Delimiter">.</span>original_string << <span class="Constant">"'</span><span class="cSpecial">\n</span><span class="Constant">"</span> << end<span class="Delimiter">();</span> <span class="Identifier">break</span><span class="Delimiter">;</span> <span class="Delimiter">}</span> <span class="Normal">if</span> <span class="Delimiter">(</span>!is_mu_number<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">))</span> || !is_mu_number<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">1</span><span class="Delimiter">)))</span> <span class="Delimiter">{</span> raise << maybe<span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> << <span class="Constant">"'or-bits' requires number ingredients, but got '"</span> << inst<span class="Delimiter">.</span>original_string << <span class="Constant">"'</span><span class="cSpecial">\n</span><span class="Constant">"</span> << end<span class="Delimiter">();</span> <span class="Identifier">break</span><span class="Delimiter">;</span> <span class="Delimiter">}</span> <span class="Normal">if</span> <span class="Delimiter">(</span>SIZE<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">)</span> > <span class="Constant">1</span><span class="Delimiter">)</span> <span class="Delimiter">{</span> raise << maybe<span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> << <span class="Constant">"'or-bits' yields one product in '"</span> << inst<span class="Delimiter">.</span>original_string << <span class="Constant">"'</span><span class="cSpecial">\n</span><span class="Constant">"</span> << end<span class="Delimiter">();</span> <span class="Identifier">break</span><span class="Delimiter">;</span> <span class="Delimiter">}</span> <span class="Normal">if</span> <span class="Delimiter">(</span>!inst<span class="Delimiter">.</span>products<span class="Delimiter">.</span>empty<span class="Delimiter">()</span> && !is_dummy<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">))</span> && !is_mu_number<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">)))</span> <span class="Delimiter">{</span> raise << maybe<span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> << <span class="Constant">"'or-bits' should yield a number, but got '"</span> << inst<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>original_string << <span class="Constant">"'</span><span class="cSpecial">\n</span><span class="Constant">"</span> << end<span class="Delimiter">();</span> <span class="Identifier">goto</span> finish_checking_instruction<span class="Delimiter">;</span> <span class="Delimiter">}</span> <span class="Identifier">break</span><span class="Delimiter">;</span> <span class="Delimiter">}</span> <span class="Delimiter">:(before "End Primitive Recipe Implementations")</span> <span class="Normal">case</span> OR_BITS: <span class="Delimiter">{</span> <span class="Comment">// ingredients must be integers</span> <span class="Normal">int</span> a = <span class="Normal">static_cast</span><<span class="Normal">int</span>><span class="Delimiter">(</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">));</span> <span class="Normal">int</span> b = <span class="Normal">static_cast</span><<span class="Normal">int</span>><span class="Delimiter">(</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">1</span><span class="Delimiter">).</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">));</span> products<span class="Delimiter">.</span>resize<span class="Delimiter">(</span><span class="Constant">1</span><span class="Delimiter">);</span> products<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>push_back<span class="Delimiter">(</span>a|b<span class="Delimiter">);</span> <span class="Identifier">break</span><span class="Delimiter">;</span> <span class="Delimiter">}</span> <span class="Delimiter">:(scenario or_bits_1)</span> def main [ <span class="Constant">1</span>:number<span class="Special"> <- </span><span class="Normal">or</span>-bits <span class="Constant">3</span><span class="Delimiter">,</span> <span class="Constant">8</span> ] <span class="traceContains">+mem: storing 11 in location 1</span> <span class="Delimiter">:(scenario or_bits_2)</span> def main [ <span class="Constant">1</span>:number<span class="Special"> <- </span><span class="Normal">or</span>-bits <span class="Constant">3</span><span class="Delimiter">,</span> <span class="Constant">10</span> ] <span class="traceContains">+mem: storing 11 in location 1</span> <span class="Delimiter">:(scenario or_bits_3)</span> def main [ <span class="Constant">1</span>:number<span class="Special"> <- </span><span class="Normal">or</span>-bits <span class="Constant">4</span><span class="Delimiter">,</span> <span class="Constant">6</span> ] <span class="traceContains">+mem: storing 6 in location 1</span> <span class="Delimiter">:(before "End Primitive Recipe Declarations")</span> XOR_BITS<span class="Delimiter">,</span> <span class="Delimiter">:(before "End Primitive Recipe Numbers")</span> put<span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">"xor-bits"</span><span class="Delimiter">,</span> XOR_BITS<span class="Delimiter">);</span> <span class="Delimiter">:(before "End Primitive Recipe Checks")</span> <span class="Normal">case</span> XOR_BITS: <span class="Delimiter">{</span> <span class="Normal">if</span> <span class="Delimiter">(</span>SIZE<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">)</span> != <span class="Constant">2</span><span class="Delimiter">)</span> <span class="Delimiter">{</span> raise << maybe<span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> << <span class="Constant">"'xor-bits' requires exactly two ingredients, but got '"</span> << inst<span class="Delimiter">.</span>original_string << <span class="Constant">"'</span><span class="cSpecial">\n</span><span class="Constant">"</span> << end<span class="Delimiter">();</span> <span class="Identifier">break</span><span class="Delimiter">;</span> <span class="Delimiter">}</span> <span class="Normal">if</span> <span class="Delimiter">(</span>!is_mu_number<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">))</span> || !is_mu_number<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">1</span><span class="Delimiter">)))</span> <span class="Delimiter">{</span> raise << maybe<span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> << <span class="Constant">"'xor-bits' requires number ingredients, but got '"</span> << inst<span class="Delimiter">.</span>original_string << <span class="Constant">"'</span><span class="cSpecial">\n</span><span class="Constant">"</span> << end<span class="Delimiter">();</span> <span class="Identifier">break</span><span class="Delimiter">;</span> <span class="Delimiter">}</span> <span class="Normal">if</span> <span class="Delimiter">(</span>SIZE<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">)</span> > <span class="Constant">1</span><span class="Delimiter">)</span> <span class="Delimiter">{</span> raise << maybe<span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> << <span class="Constant">"'xor-bits' yields one product in '"</span> << inst<span class="Delimiter">.</span>original_string << <span class="Constant">"'</span><span class="cSpecial">\n</span><span class="Constant">"</span> << end<span class="Delimiter">();</span> <span class="Identifier">break</span><span class="Delimiter">;</span> <span class="Delimiter">}</span> <span class="Normal">if</span> <span class="Delimiter">(</span>!inst<span class="Delimiter">.</span>products<span class="Delimiter">.</span>empty<span class="Delimiter">()</span> && !is_dummy<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">))</span> && !is_mu_number<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">)))</span> <span class="Delimiter">{</span> raise << maybe<span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> << <span class="Constant">"'xor-bits' should yield a number, but got '"</span> << inst<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>original_string << <span class="Constant">"'</span><span class="cSpecial">\n</span><span class="Constant">"</span> << end<span class="Delimiter">();</span> <span class="Identifier">goto</span> finish_checking_instruction<span class="Delimiter">;</span> <span class="Delimiter">}</span> <span class="Identifier">break</span><span class="Delimiter">;</span> <span class="Delimiter">}</span> <span class="Delimiter">:(before "End Primitive Recipe Implementations")</span> <span class="Normal">case</span> XOR_BITS: <span class="Delimiter">{</span> <span class="Comment">// ingredients must be integers</span> <span class="Normal">int</span> a = <span class="Normal">static_cast</span><<span class="Normal">int</span>><span class="Delimiter">(</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">));</span> <span class="Normal">int</span> b = <span class="Normal">static_cast</span><<span class="Normal">int</span>><span class="Delimiter">(</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">1</span><span class="Delimiter">).</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">));</span> products<span class="Delimiter">.</span>resize<span class="Delimiter">(</span><span class="Constant">1</span><span class="Delimiter">);</span> products<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>push_back<span class="Delimiter">(</span>a^b<span class="Delimiter">);</span> <span class="Identifier">break</span><span class="Delimiter">;</span> <span class="Delimiter">}</span> <span class="Delimiter">:(scenario xor_bits_1)</span> def main [ <span class="Constant">1</span>:number<span class="Special"> <- </span><span class="Normal">xor</span>-bits <span class="Constant">3</span><span class="Delimiter">,</span> <span class="Constant">8</span> ] <span class="traceContains">+mem: storing 11 in location 1</span> <span class="Delimiter">:(scenario xor_bits_2)</span> def main [ <span class="Constant">1</span>:number<span class="Special"> <- </span><span class="Normal">xor</span>-bits <span class="Constant">3</span><span class="Delimiter">,</span> <span class="Constant">10</span> ] <span class="traceContains">+mem: storing 9 in location 1</span> <span class="Delimiter">:(scenario xor_bits_3)</span> def main [ <span class="Constant">1</span>:number<span class="Special"> <- </span><span class="Normal">xor</span>-bits <span class="Constant">4</span><span class="Delimiter">,</span> <span class="Constant">6</span> ] <span class="traceContains">+mem: storing 2 in location 1</span> <span class="Delimiter">:(before "End Primitive Recipe Declarations")</span> FLIP_BITS<span class="Delimiter">,</span> <span class="Delimiter">:(before "End Primitive Recipe Numbers")</span> put<span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">"flip-bits"</span><span class="Delimiter">,</span> FLIP_BITS<span class="Delimiter">);</span> <span class="Delimiter">:(before "End Primitive Recipe Checks")</span> <span class="Normal">case</span> FLIP_BITS: <span class="Delimiter">{</span> <span class="Normal">if</span> <span class="Delimiter">(</span>SIZE<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">)</span> != <span class="Constant">1</span><span class="Delimiter">)</span> <span class="Delimiter">{</span> raise << maybe<span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> << <span class="Constant">"'flip-bits' requires exactly one ingredient, but got '"</span> << inst<span class="Delimiter">.</span>original_string << <span class="Constant">"'</span><span class="cSpecial">\n</span><span class="Constant">"</span> << end<span class="Delimiter">();</span> <span class="Identifier">break</span><span class="Delimiter">;</span> <span class="Delimiter">}</span> <span class="Normal">if</span> <span class="Delimiter">(</span>!is_mu_number<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">)))</span> <span class="Delimiter">{</span> raise << maybe<span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> << <span class="Constant">"'flip-bits' requires a number ingredient, but got '"</span> << inst<span class="Delimiter">.</span>original_string << <span class="Constant">"'</span><span class="cSpecial">\n</span><span class="Constant">"</span> << end<span class="Delimiter">();</span> <span class="Identifier">break</span><span class="Delimiter">;</span> <span class="Delimiter">}</span> <span class="Normal">if</span> <span class="Delimiter">(</span>SIZE<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">)</span> > <span class="Constant">1</span><span class="Delimiter">)</span> <span class="Delimiter">{</span> raise << maybe<span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> << <span class="Constant">"'flip-bits' yields one product in '"</span> << inst<span class="Delimiter">.</span>original_string << <span class="Constant">"'</span><span class="cSpecial">\n</span><span class="Constant">"</span> << end<span class="Delimiter">();</span> <span class="Identifier">break</span><span class="Delimiter">;</span> <span class="Delimiter">}</span> <span class="Normal">if</span> <span class="Delimiter">(</span>!inst<span class="Delimiter">.</span>products<span class="Delimiter">.</span>empty<span class="Delimiter">()</span> && !is_dummy<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">))</span> && !is_mu_number<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">)))</span> <span class="Delimiter">{</span> raise << maybe<span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> << <span class="Constant">"'flip-bits' should yield a number, but got '"</span> << inst<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>original_string << <span class="Constant">"'</span><span class="cSpecial">\n</span><span class="Constant">"</span> << end<span class="Delimiter">();</span> <span class="Identifier">goto</span> finish_checking_instruction<span class="Delimiter">;</span> <span class="Delimiter">}</span> <span class="Identifier">break</span><span class="Delimiter">;</span> <span class="Delimiter">}</span> <span class="Delimiter">:(before "End Primitive Recipe Implementations")</span> <span class="Normal">case</span> FLIP_BITS: <span class="Delimiter">{</span> <span class="Comment">// ingredient must be integer</span> <span class="Normal">int</span> a = <span class="Normal">static_cast</span><<span class="Normal">int</span>><span class="Delimiter">(</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">));</span> products<span class="Delimiter">.</span>resize<span class="Delimiter">(</span><span class="Constant">1</span><span class="Delimiter">);</span> products<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>push_back<span class="Delimiter">(</span>~a<span class="Delimiter">);</span> <span class="Identifier">break</span><span class="Delimiter">;</span> <span class="Delimiter">}</span> <span class="Delimiter">:(scenario flip_bits_zero)</span> def main [ <span class="Constant">1</span>:number<span class="Special"> <- </span>flip-bits <span class="Constant">0</span> ] <span class="traceContains">+mem: storing -1 in location 1</span> <span class="Delimiter">:(scenario flip_bits_negative)</span> def main [ <span class="Constant">1</span>:number<span class="Special"> <- </span>flip-bits -<span class="Constant">1</span> ] <span class="traceContains">+mem: storing 0 in location 1</span> <span class="Delimiter">:(scenario flip_bits_1)</span> def main [ <span class="Constant">1</span>:number<span class="Special"> <- </span>flip-bits <span class="Constant">3</span> ] <span class="traceContains">+mem: storing -4 in location 1</span> <span class="Delimiter">:(scenario flip_bits_2)</span> def main [ <span class="Constant">1</span>:number<span class="Special"> <- </span>flip-bits <span class="Constant">12</span> ] <span class="traceContains">+mem: storing -13 in location 1</span> <span class="Delimiter">:(before "End Primitive Recipe Declarations")</span> ROUND<span class="Delimiter">,</span> <span class="Delimiter">:(before "End Primitive Recipe Numbers")</span> put<span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">"round"</span><span class="Delimiter">,</span> ROUND<span class="Delimiter">);</span> <span class="Delimiter">:(before "End Primitive Recipe Checks")</span> <span class="Normal">case</span> ROUND: <span class="Delimiter">{</span> <span class="Normal">if</span> <span class="Delimiter">(</span>SIZE<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">)</span> != <span class="Constant">1</span><span class="Delimiter">)</span> <span class="Delimiter">{</span> raise << maybe<span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> << <span class="Constant">"'round' requires exactly one ingredient, but got '"</span> << inst<span class="Delimiter">.</span>original_string << <span class="Constant">"'</span><span class="cSpecial">\n</span><span class="Constant">"</span> << end<span class="Delimiter">();</span> <span class="Identifier">break</span><span class="Delimiter">;</span> <span class="Delimiter">}</span> <span class="Normal">if</span> <span class="Delimiter">(</span>!is_mu_number<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">)))</span> <span class="Delimiter">{</span> raise << maybe<span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> << <span class="Constant">"first ingredient of 'round' should be a number, but got '"</span> << inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>original_string << <span class="Constant">"'</span><span class="cSpecial">\n</span><span class="Constant">"</span> << end<span class="Delimiter">();</span> <span class="Identifier">break</span><span class="Delimiter">;</span> <span class="Delimiter">}</span> <span class="Identifier">break</span><span class="Delimiter">;</span> <span class="Delimiter">}</span> <span class="Delimiter">:(before "End Primitive Recipe Implementations")</span> <span class="Normal">case</span> ROUND: <span class="Delimiter">{</span> products<span class="Delimiter">.</span>resize<span class="Delimiter">(</span><span class="Constant">1</span><span class="Delimiter">);</span> products<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>push_back<span class="Delimiter">(</span>rint<span class="Delimiter">(</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">)));</span> <span class="Identifier">break</span><span class="Delimiter">;</span> <span class="Delimiter">}</span> <span class="Delimiter">:(scenario round_to_nearest_integer)</span> def main [ <span class="Constant">1</span>:number<span class="Special"> <- </span>round <span class="Constant">12.2</span> ] <span class="traceContains">+mem: storing 12 in location 1</span> <span class="Delimiter">:(before "End Primitive Recipe Declarations")</span> CHARACTER_TO_CODE<span class="Delimiter">,</span> <span class="Delimiter">:(before "End Primitive Recipe Numbers")</span> put<span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">"character-to-code"</span><span class="Delimiter">,</span> CHARACTER_TO_CODE<span class="Delimiter">);</span> <span class="Delimiter">:(before "End Primitive Recipe Checks")</span> <span class="Normal">case</span> CHARACTER_TO_CODE: <span class="Delimiter">{</span> <span class="Normal">if</span> <span class="Delimiter">(</span>SIZE<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">)</span> != <span class="Constant">1</span><span class="Delimiter">)</span> <span class="Delimiter">{</span> raise << maybe<span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> << <span class="Constant">"'character-to-code' requires exactly one ingredient, but got '"</span> << inst<span class="Delimiter">.</span>original_string << <span class="Constant">"'</span><span class="cSpecial">\n</span><span class="Constant">"</span> << end<span class="Delimiter">();</span> <span class="Identifier">break</span><span class="Delimiter">;</span> <span class="Delimiter">}</span> <span class="Normal">if</span> <span class="Delimiter">(</span>!is_mu_character<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">)))</span> <span class="Delimiter">{</span> raise << maybe<span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> << <span class="Constant">"first ingredient of 'character-to-code' should be a character, but got '"</span> << inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>original_string << <span class="Constant">"'</span><span class="cSpecial">\n</span><span class="Constant">"</span> << end<span class="Delimiter">();</span> <span class="Identifier">break</span><span class="Delimiter">;</span> <span class="Delimiter">}</span> <span class="Normal">if</span> <span class="Delimiter">(</span>SIZE<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">)</span> != <span class="Constant">1</span><span class="Delimiter">)</span> <span class="Delimiter">{</span> raise << maybe<span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> << <span class="Constant">"'character-to-code' requires exactly one product, but got '"</span> << inst<span class="Delimiter">.</span>original_string << <span class="Constant">"'</span><span class="cSpecial">\n</span><span class="Constant">"</span> << end<span class="Delimiter">();</span> <span class="Identifier">break</span><span class="Delimiter">;</span> <span class="Delimiter">}</span> <span class="Normal">if</span> <span class="Delimiter">(</span>!is_mu_number<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">)))</span> <span class="Delimiter">{</span> raise << maybe<span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> << <span class="Constant">"first product of 'character-to-code' should be a number, but got '"</span> << inst<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>original_string << <span class="Constant">"'</span><span class="cSpecial">\n</span><span class="Constant">"</span> << end<span class="Delimiter">();</span> <span class="Identifier">break</span><span class="Delimiter">;</span> <span class="Delimiter">}</span> <span class="Identifier">break</span><span class="Delimiter">;</span> <span class="Delimiter">}</span> <span class="Delimiter">:(before "End Primitive Recipe Implementations")</span> <span class="Normal">case</span> CHARACTER_TO_CODE: <span class="Delimiter">{</span> <span class="Normal">double</span> result = <span class="Constant">0</span><span class="Delimiter">;</span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span> i < SIZE<span class="Delimiter">(</span>ingredients<span class="Delimiter">);</span> ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span> result += ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">);</span> <span class="Delimiter">}</span> products<span class="Delimiter">.</span>resize<span class="Delimiter">(</span><span class="Constant">1</span><span class="Delimiter">);</span> products<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>push_back<span class="Delimiter">(</span>result<span class="Delimiter">);</span> <span class="Identifier">break</span><span class="Delimiter">;</span> <span class="Delimiter">}</span> <span class="Delimiter">:(before "End Includes")</span> <span class="PreProc">#include </span><span class="Constant"><math.h></span> </pre> </body> </html> <!-- vim: set foldmethod=manual : -->