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-rw-r--r--html/022arithmetic.cc.html35
1 files changed, 35 insertions, 0 deletions
diff --git a/html/022arithmetic.cc.html b/html/022arithmetic.cc.html
index b18bc7d2..e3474849 100644
--- a/html/022arithmetic.cc.html
+++ b/html/022arithmetic.cc.html
@@ -763,6 +763,41 @@ put<span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span
 <span class="traceContains">+mem: storing -12 in location 1</span>
 
 <span class="Delimiter">:(before &quot;End Primitive Recipe Declarations&quot;)</span>
+TRUNCATE<span class="Delimiter">,</span>
+<span class="Delimiter">:(before &quot;End Primitive Recipe Numbers&quot;)</span>
+put<span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;truncate&quot;</span><span class="Delimiter">,</span> TRUNCATE<span class="Delimiter">);</span>
+<span class="Delimiter">:(before &quot;End Primitive Recipe Checks&quot;)</span>
+<span class="Normal">case</span> TRUNCATE: <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 &lt;&lt; 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> &lt;&lt; <span class="Constant">&quot;'truncate' requires exactly one ingredient, but got '&quot;</span> &lt;&lt; inst<span class="Delimiter">.</span>original_string &lt;&lt; <span class="Constant">&quot;'</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; 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 &lt;&lt; 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> &lt;&lt; <span class="Constant">&quot;first ingredient of 'truncate' should be a number, but got '&quot;</span> &lt;&lt; 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 &lt;&lt; <span class="Constant">&quot;'</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; 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 &quot;End Primitive Recipe Implementations&quot;)</span>
+<span class="Normal">case</span> TRUNCATE: <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>trunc<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 truncate_to_nearest_integer)</span>
+<span class="muRecipe">def</span> main [
+  <span class="Constant">1</span>:num<span class="Special"> &lt;- </span>truncate <span class="Constant">12.2</span>
+]
+<span class="traceContains">+mem: storing 12 in location 1</span>
+
+<span class="Delimiter">:(scenario truncate_negative)</span>
+<span class="muRecipe">def</span> main [
+  <span class="Constant">1</span>:num<span class="Special"> &lt;- </span>truncate -<span class="Constant">12.2</span>
+]
+<span class="traceContains">+mem: storing -12 in location 1</span>
+
+<span class="Delimiter">:(before &quot;End Primitive Recipe Declarations&quot;)</span>
 CHARACTER_TO_CODE<span class="Delimiter">,</span>
 <span class="Delimiter">:(before &quot;End Primitive Recipe Numbers&quot;)</span>
 put<span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;character-to-code&quot;</span><span class="Delimiter">,</span> CHARACTER_TO_CODE<span class="Delimiter">);</span>