Returns the integer value 1 (True) when its argument is a finite
    number, or 0 (False) if not.

    This function is supported on OpenVMS Integrity servers and
    Alpha only.

    Format

      #include  <math.h>

      int finite  (double x);

      int finitef  (float x);

      int double finitel  (long double x);

  Additional Information (explode) :

• Argument
• Description