gcc/testsuite/gdc.test/compilable/test15019.d

   1 // COMPILABLE_MATH_TEST
   2 // https://issues.dlang.org/show_bug.cgi?id=15019
   3 // dmd -m32 -c all.d
   4
   5 import std.string;
   6
   7 struct Color()
   8 {
   9     static fromHex(char[] s)
  10     {
  11         import std.conv;
  12         s.to!ubyte;
  13     }
  14 }
  15
  16 Color!() RGB    ;
  17
  18 struct Matrix(T, int R, int C)
  19 {
  20         Vector!(T, C) row_t;
  21         T[C] v;        // all elements
  22
  23         /// Covnerts to pretty string.
  24         string toString() const
  25         {
  26             try
  27                 return format("%s", v);
  28             catch (Throwable)
  29                 assert(false); // should not happen since format is right
  30         }
  31 }
  32
  33 // GLSL is a big inspiration here
  34 // we defines types with more or less the same names
  35 template mat2x2(T) { Matrix!(T, 2, 2) mat2x2; }
  36 template mat3x3(T) { Matrix!(T, 3, 3) mat3x3; }
  37 template mat4x4(T) { Matrix!(T, 4, 4) mat4x4; }
  38
  39 alias mat2x2 mat2;
  40 alias mat3x3 mat3;  // shorter names for most common matrices
  41 alias mat4x4 mat4;
  42
  43 string definePostfixAliases(string type)
  44 {
  45     return "alias " ~ type ~ "!byte "   ~ type ~ "b;\n"
  46 ~ "alias " ~ type ~ "!ubyte "  ~ type ~ "ub;\n"
  47 ~ "alias " ~ type ~ "!short "  ~ type ~ "s;\n"
  48 ~ "alias " ~ type ~ "!ushort " ~ type ~ "us;\n"
  49 ~ "alias " ~ type ~ "!int "    ~ type ~ "i;\n"
  50 ~ "alias " ~ type ~ "!uint "   ~ type ~ "ui;\n"
  51 ~ "alias " ~ type ~ "!long "   ~ type ~ "l;\n"
  52 ~ "alias " ~ type ~ "!ulong "  ~ type ~ "ul;\n"
  53 ~ "alias " ~ type ~ "!float "  ~ type ~ "f;\n"
  54 ~ "alias " ~ type ~ "!double " ~ type ~ "d;\n";
  55 }
  56
  57 // define a lot of type names
  58 mixin(definePostfixAliases("mat2"));
  59 mixin(definePostfixAliases("mat3"));
  60 mixin(definePostfixAliases("mat4"));
  61 import std.string;
  62
  63 struct Vector(T, int N)
  64 {
  65     T[N] v;
  66
  67     string toString()
  68     {
  69         try
  70             return format("%s", v);
  71         catch (Throwable)
  72             assert(false);
  73     }
  74 }