Mercurial > projects > ldc
view tests/mini/dotproduct.d @ 825:a70ddd449e7d
Commented some logging that could be '''very''' long, cuts -vv output size of a gtkd gl sample down 1.2GB by 3/4.
Fixed wrong pointer type for multidimension "deep" slicing.
author | Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> |
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date | Thu, 04 Dec 2008 16:11:09 +0100 |
parents | 1bb99290e03a |
children |
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extern(C) int printf(char*, ...); struct vec3 { float x,y,z; float dot(ref vec3 v) { return x*v.x + y*v.y + z*v.z; } void print(char[] n) { printf("%.*s = vec3(%.4f, %.4f, %.4f)\n", n.length, n.ptr, x,y,z); } } int main() { printf("Dot Product test\n"); const f = 0.7071067811865474617; vec3 v = vec3(f,f,0); vec3 w = vec3(f,0,f); v.print("v"); w.print("w"); auto dp = v.dot(w); printf("v ยท w = %f\n", dp); assert(dp > 0.4999 && dp < 0.5001); printf(" SUCCESS\n"); return 0; }