int isnormal(fpval): Returns nonzero if fpval is a normal value : isnormal « math.h « C / ANSI-C

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C / ANSI-C » math.h » isnormalScreenshots 
int isnormal(fpval): Returns nonzero if fpval is a normal value


  

#include <stdio.h>
#include <math.h>

int main(void)
{
  printf("isnormal(-1.0) %d\n", isnormal(-1.0));
  printf("isnormal(1.0) %d\n", isnormal(1.0));
  printf("isnormal(0.0) %d\n", isnormal(0.0));
  return 0;
}

         
/*
isnormal(-1.0) 1
isnormal(1.0) 1
isnormal(0.0) 0
*/         

           
       
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