1 2 #include <math.h> 3 4 #ifdef _MSC_VER 5 #pragma function(atan2f) 6 #endif 7 8 _Check_return_ 9 float 10 __cdecl 11 atan2f( 12 _In_ float x, 13 _In_ float y) 14 { 15 return (float)atan2((double)x,(double)y); 16 } 17