Searched refs:M_PI (Results 1 – 1 of 1) sorted by relevance
8 #ifndef M_PI9 #define M_PI 3.14159265358979323846264338327950288 macro53 float theta = ( float )M_PI * st[1]; in _tToVTBN()54 float phai = 2.f * ( float )M_PI * st[0]; in _tToVTBN()