tarrayplus.nim « array « tests - Nim - This repository contains the Nim compiler, Nim's stdlib, tools, and documentation. (mirror)

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discard """
  errormsg: "type mismatch: got (array[0..2, float], array[0..1, float])"
"""

proc `+`*[R, T] (v1, v2: array[R, T]): array[R, T] =
  for i in low(v1)..high(v1):
    result[i] = v1[i] + v2[i]

var 
  v1: array[0..2, float] = [3.0, 1.2, 3.0]
  v2: array[0..1, float] = [2.0, 1.0]
  v3 = v1 + v2

name="plugin-version" content="vim8.1_v1"> <meta name="syntax" content="none"> <meta name="settings" content="number_lines,use_css,pre_wrap,no_foldcolumn,expand_tabs,line_ids,prevent_copy="> <meta name="colorscheme" content="minimal-light"> <style type="text/css">  </style> <script type='text/javascript'>  </script> </head> <body onload='JumpToLine();'> <a href='https://github.com/akkartik/mu/blob/main/linux/raytracing/ray.mu'>https://github.com/akkartik/mu/blob/main/linux/raytracing/ray.mu</a> <pre id='vimCodeElement'> <span id="L1" class="LineNr"> 1 </span><span class="PreProc">type</span> ray <span class="Delimiter">{</span> <span id="L2" class="LineNr"> 2 </span> orig: vec3 <span class="muComment"># point</span> <span id="L3" class="LineNr"> 3 </span> dir: vec3 <span id="L4" class="LineNr"> 4 </span><span class="Delimiter">}</span> <span id="L5" class="LineNr"> 5 </span> <span id="L6" class="LineNr"> 6 </span><span class="muComment"># A little different from the constructor at <a href="https://raytracing.github.io/books/RayTracingInOneWeekend.html">https://raytracing.github.io/books/RayTracingInOneWeekend.html</a></span> <span id="L7" class="LineNr"> 7 </span><span class="muComment"># We immediately normalize the direction vector so we don't have to keep doing</span> <span id="L8" class="LineNr"> 8 </span><span class="muComment"># so.</span> <span id="L9" class="LineNr"> 9 </span><span class="PreProc">fn</span> <span class="muFunction">initialize-ray</span> _self: (addr ray), o: (addr vec3), d: (addr vec3) <span class="Delimiter">{</span> <span id="L10" class="LineNr">10 </span> <span class="PreProc">var</span> self/<span class="muRegEsi">esi</span>: (addr ray) <span class="Special"><-</span> copy _self <span id="L11" class="LineNr">11 </span> <span class="PreProc">var</span> dest/eax: (addr vec3) <span class="Special"><-</span> <a href='../131table.subx.html#L26'>get</a> self, orig <span id="L12" class="LineNr">12 </span> copy-object o, dest <span id="L13" class="LineNr">13 </span> dest <span class="Special"><-</span> <a href='../131table.subx.html#L26'>get</a> self, dir <span id="L14" class="LineNr">14 </span> vec3-unit d, dest <span id="L15" class="LineNr">15 </span><span class="Delimiter">}</span> <span id="L16" class="LineNr">16 </span> <span id="L17" class="LineNr">17 </span><span class="PreProc">fn</span> <span class="muFunction">ray-at</span> _self: (addr ray), t: float, out: (addr vec3) <span class="Delimiter">{</span> <span id="L18" class="LineNr">18 </span> <span class="PreProc">var</span> self/<span class="muRegEsi">esi</span>: (addr ray) <span class="Special"><-</span> copy _self <span id="L19" class="LineNr">19 </span> <span class="PreProc">var</span> src/eax: (addr vec3) <span class="Special"><-</span> <a href='../131table.subx.html#L26'>get</a> self, dir <span id="L20" class="LineNr">20 </span> copy-object src, out <span id="L21" class="LineNr">21 </span> vec3-scale-up out, t <span id="L22" class="LineNr">22 </span> src <span class="Special"><-</span> <a href='../131table.subx.html#L26'>get</a> self, orig <span id="L23" class="LineNr">23 </span> vec3-add-to out, src <span id="L24" class="LineNr">24 </span><span class="Delimiter">}</span> </pre> </body> </html>