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
Color()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
Matrix(T,int R,int C)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
mat2x2(T)35 template mat2x2(T) { Matrix!(T, 2, 2) mat2x2; }
mat3x3(T)36 template mat3x3(T) { Matrix!(T, 3, 3) mat3x3; }
mat4x4(T)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
definePostfixAliases(string type)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
Vector(T,int N)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 }
75
76