HELPLIB.HLB  —  CRTL  fdim
    Determines the positive difference between its arguments.

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

    Format

      #include  <math.h>

      double fdim  (double x, double y);

      float fdimf  (float x, float y);

      long double fdiml  (long double x, long double y);
Additional Information: explode extract
Argument Description Return Values
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