Get mantissa and exponent of floating-point value: how to use frexp : Exp « Math « C / ANSI-C

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Get mantissa and exponent of floating-point value: how to use frexp





#include <stdio.h>

#include <math.h>



int main ()

{

  double p, result;

  int n;



  p = 15.2;

  

  result = frexp (p , &n);

  

  printf ("%f * 2^%d = %f\n", result, n, p);

  

  return 0;

}

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