fma(3) -- Linux man page

 

NAME

fma, fmaf, fmal - floating-point multiply and add  

SYNOPSIS

#include <math.h>

double fma(double x, double y, double z);

float fmaf(float x, float y, float z);

long double fmal(long double x, long double y, long double z);
 

DESCRIPTION

The fma() function computes x * y + z. The result is rounded according to the rounding mode determined by the value of FLT_ROUNDS.  

CONFORMING TO

C99  

SEE ALSO

remainder(3), remquo(3)