exp(3) -- Linux man page

 

NAME

exp, expf, expl - base-e exponential function  

SYNOPSIS

#include <math.h>

double exp(double x);

float expf(float x);

long double expl(long double x);
 

DESCRIPTION

The exp() function returns the value of e (the base of natural logarithms) raised to the power of x.  

CONFORMING TO

SVID 3, POSIX, BSD 4.3, ISO 9899. The float and the long double variants are C99 requirements.  

SEE ALSO

sqrt(3), cbrt(3) exp10(3), exp2(3)