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What is cpowf() in C?

Umme Ammara

The cpowf function is a C library function that raises a complex number to a complex power.

The following illustration shows the functionality of the cpowf function:

To use the cpowf function, we need to include the complex.h header file, as shown below:

#include <complex.h>

Syntax

The cpowf function takes two arguments and returns the complex power. It is declared as follows:

Parameters

The cpowf function takes two arguments of the float complex type.

  • The first parameter is the number we want to raise

  • The second parameter is the power with which we want to raise the number

Return value

The cpowf function computes and returns the power in the float complex type.

Example

The code below shows the use of cpowf function in C:

#include <stdio.h>
#include <complex.h>

int main() {

  //Declare x and y 
  float complex x  = 1.0+2.0*I;
  float complex y = 3.0; 

  //Call cpowf i.e x^y
  float complex ans = cpowf(x,y);

  //Display result 
  printf ("(1+2i)^3 = %f%+fi\n", creal(ans), cimag(ans) );

  return 0;
}

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