Mercurial > projects > ldc
view test/dotproduct.d @ 42:0b9b286b67b6 trunk
[svn r46] fix for shift operations
added a simple opengl binding in demos
author | lindquist |
---|---|
date | Fri, 19 Oct 2007 15:16:11 +0200 |
parents | e116aa1488e6 |
children | 0c5f410d973c |
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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 float f = 0.7071067811865474617f; vec3 v = vec3(f,f,0); vec3 w = vec3(f,0,f); v.print("v"); v.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; }