#ifndef _LIBC_MATH_H #define _LIBC_MATH_H #pragma once #ifdef __cplusplus extern "C" { #endif #define HUGE_VAL __builtin_huge_val() #define INFINITY __builtin_inff() #define NAN __builtin_nanf("") double fabs(double x); double floor(double x); double ceil(double x); double sqrt(double x); double sin(double x); double cos(double x); double atan2(double y, double x); double pow(double base, double exp); double log(double x); double exp(double x); double fmod(double x, double y); double round(double x); #ifdef __cplusplus } #endif #endif /* _LIBC_MATH_H */