math.h

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#pragma once
 
#define abs(a) (((a) < 0) ? -(a) : (a))
 
#define max(a, b) (((a) > (b)) ? (a) : (b))
 
#define min(a, b) (((a) < (b)) ? (a) : (b))
 
#define sign(x) ((x < 0) ? -1 : ((x > 0) ? 1 : 0))
 
#define round_up(number, base) (((number) + (base)-1) & ~((base)-1))
 
#define M_E 2.7182818284590452354
 
#define M_LOG2E 1.4426950408889634074
 
#define M_LOG10E 0.43429448190325182765
 
#define M_LN2 0.69314718055994530942
 
#define M_LN10 2.30258509299404568402
 
#define M_PI 3.14159265358979323846
 
#define M_PI_2 1.57079632679489661923
 
#define M_PI_4 0.78539816339744830962
 
#define M_1_PI 0.31830988618379067154
 
#define M_2_PI 0.63661977236758134308
 
#define M_2_SQRTPI 1.12837916709551257390
 
#define M_SQRT2 1.41421356237309504880
 
#define M_SQRT1_2 0.70710678118654752440
 
double round(double x);
 
double ceil(double x);
 
double floor(double x);
 
double pow(double base, double exponent);
 
double exp(double x);
 
double fabs(double x);
 
float fabsf(float x);
 
double sqrt(double x);
 
float sqrtf(float x);
 
int isinf(double x);
 
int isnan(double x);
 
double log10(double x);
 
double ln(double x);
 
double logx(double x, double y);
 
double modf(double x, double *intpart);