Returns the maximum numeric value of its arguments.

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

    Format

      #include  <math.h>

      double fmax  (double x, double y);

      float fmaxf  (float x, float y);

      long double fmaxl  (long double x, long double y);

  Additional Information (explode) :

• Argument
• Description
• Return Values