ref: e7f55e32736cd1360a7135fda5a7ca4d97c45520 dir: /m_dotproduct.c/
#include "quakedef.h" vec_t DotProduct(const vec3_t v1, const vec3_t v2) { return v1[0]*v2[0] + v1[1]*v2[1] + v1[2]*v2[2]; }