Library /sys$common/syshlp/helplib.hlb  —  CRTL  log1p
    Computes ln(1+y) accurately.

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

    Format

      #include  <math.h>

      double log1p  (double y);

      float log1pf  (float y);

      long double log1pl  (long double y);
Additional Information: explode extract
Argument Description Return Values
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