Library /sys$common/syshlp/helplib.hlb  —  CRTL  cacosh
    Returns the complex arc hyperbolic cosine of its argument.

    This function is OpenVMS Alpha and Integrity servers only.

    Format

      #include  <complex.h>

      double complex cacosh  (double complex z);

      float complex cacoshf  (float complex z);

      long double complex cacoshl  (long double complex z);
Additional Information: explode extract
Argument Description Return Values
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