int isinf(fpval): Returns nonzero if fpval is infinite : isinf « math.h « C / ANSI-C

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C / ANSI-C » math.h » isinf

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int isinf(fpval): Returns nonzero if fpval is infinite





  



#include <stdio.h>

#include <math.h>



int main(void)

{

  printf("isinf(-1.0) %d\n", isinf(-1.0));

  printf("isinf(1.0) %d\n", isinf(1.0));

  printf("isinf(1.0/0.0) %d\n", isinf(1.0/0.0));

  return 0;

}



         

/*

isinf(-1.0) 0

isinf(1.0) 0

isinf(1.0/0.0) 1

*/

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