int fpclassify(fpval)
Returns
FP_INFINITE,
FP_NAN,
FP_NORMAL,
FP_SUBNORMAL, or
FP_ZERO,
depending upon the value in fpval. These macros are defined by .
#include
#include
int main(void)
{
printf("fpclassify(-1.0) %d\n", fpclassify(-1.0));
printf("fpclassify(1.0) %d\n", fpclassify(1.0));
printf("fpclassify(1.0/0.0) %d\n", fpclassify(1.0/0.0));
return 0;
}
fpclassify(-1.0) 1024
fpclassify(1.0) 1024
fpclassify(1.0/0.0) 1280