int isfinite(fpval): Returns nonzero if fpval is finite. : isfinite « math.h « C Tutorial

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C Tutorial » math.h » isfinite

19.30.1.int isfinite(fpval): Returns nonzero if fpval is finite.

#include <stdio.h>

#include <math.h>



int main(void)

{

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

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

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

  return 0;

}

isfinite(-1.0) 1
isfinite(1.0) 1
isfinite(1.0/0.0) 0

19.30.isfinite
	19.30.1.	int isfinite(fpval): Returns nonzero if fpval is finite.

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