NAME

pow, powf, powl - power functions

SYNOPSIS

#include <math.h>

double pow(double x, double y);

float powf(float x, float y);

long double powl(long double x, long double y);

Link with -lm.

DESCRIPTION

The pow() function returns the value of x raised to the power of y.

ERRORS

The pow() function can return the following error:

EDOM

The argument x is negative and y is not an integral value. This would result in a complex number.

CONFORMING TO

SVr4, 4.3BSD, C89. The float and long double variants are C99 requirements.

SEE ALSO

cbrt(3), cpow(3), sqrt(3)

COLOPHON

This page is part of release 2.69 of the Linux man-pages project. A description of the project, and information about reporting bugs, can be found at http://www.kernel.org/doc/man-pages/.