| FINITE(3) | Library Functions Manual | FINITE(3) | 
finite, finitef —
#include <math.h>
int
  
  finite(double
    x);
int
  
  finitef(float
    x);
finite() function returns the value 1 when
Otherwise a zero is returned (that is, |x| = infinity or x is NaN).
ISO C-language
  standards or in the IEEE POSIX
  standards.
finite and finitef()
  functions first appeared in 4.3BSD.
| July 28, 2011 | NetBSD 10.0 |