shithub: npe

ref: 004f6f57af8b5bbc2ff07b0f8fce148ba4c1c24d
dir: /libnpe/isinf.c/

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#include <math.h>
#include "_npe.h"

int
isinf(double d)
{
	if(isInf(d, 0) == 0)
		return 0;

	return isInf(d, -1) ? -1 : 1;
}