pow() ~ Online tutorial

Pow()

Power function, x to the y (x**y)

Declaration:

Real:

double pow(double x, double y);

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

Complex:

complex pow(complex x, complex y);

complex pow(complex x, double y);

complex pow(double x, double y);

Return Value:

On success,

pow and powl return the value calculated, x**y.

If x and y are both 0, they return 1.

If x is real and < 0, and y is not a whole number, these functions set errno to EDOM (domain error).

program

#include <math.h>

#include <stdio.h>

int main(void)

{

double x = 2.0, y = 3.0;

printf("%lf raised to %lf is %lf\n", x, y, pow(x, y));

return 0;

}

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