CentOS 5.4

GNU/Linux	CentOS 5.4
	powl(3)

POW

NAME

pow, powf, powl − power functions

#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.

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

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.

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