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view tests/mini/dotproduct.d @ 962:a415d305477f
Fix 32 bit truncation of 'asm { movq RAX, 0xAA_1234_5678; }'...ie. move constant larger than 32 bits
author | Kelly Wilson <wilsonk cpsc.ucalgary.ca> |
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date | Sun, 15 Feb 2009 16:30:15 -0700 |
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; }