Header file: # include

Function prototype: double pow (double x, double y); ?

Function description: pow () function? Returns the value of x to the y power. The function returns the y power of x.

Example:

# Contains? & ltstdio.h & gt

# Contains? & ltmath.h & gt

Invalid? Master ()

{

Double? pw；

int？ a=2？ ;

pw=pow(a， 10)； ? //a power of 10

“，，printf("%d^ 10=%g\n？ a，pw？ );

} correlation function:

Floating point powf (floating point x, floating point y); //Single precision power supply

long double pow(long double x，long double y)； //Long double precision power

Double sqrt (double x); ? //Double precision square root

float sqrtf(float x)； //Single precision square root

long double sqrtl(long double x)； ? //Long double-precision root