/sys$common/syshlp/HELPLIB.HLB  —  CRTL  cabs
    Returns the absolute value of a complex number.

    Format

      #include  <math.h>

      double cabs  (cabs_t z);

      float cabsf  (cabsf_t z); (Integrity servers, Alpha)

      long double cabsl  (cabsl_t z); (Integrity servers, Alpha)
Additional Information: explode extract
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