4 #define INFINITY __builtin_inff()
5 #define NAN __builtin_nanf
7 #define M_PI 3.141592653589793
9 #define sin(x) __builtin_sin(x)
10 #define cos(x) __builtin_cos(x)
11 #define tan(x) __builtin_tan(x)
12 #define fabs(x) __builtin_fabs(x)
13 #define fmod(x, y) __builtin_fmod(x, y)
14 #define sqrt(x) __builtin_sqrt(x)
15 #define atan2(y, x) __builtin_atan2(y, x)
17 double pow(double x, double y);