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|man pages section 3: Extended Library Functions, Volume 2 Oracle Solaris 11 Information Library|
- complex arc hyperbolic cosine functions
c99 [ flag... ] file... -lm [ library... ] #include <complex.h> double complex cacosh(double complex z);
float complex cacoshf(float complex z);
long double complex cacoshl(long double complex z);
These functions compute the complex arc hyperbolic cosine of z, with a branch cut at values less than 1 along the real axis.
These functions return the complex arc hyperbolic cosine value, in the range of a half-strip of non-negative values along the real axis and in the interval [ -iπ, +iπ ] along the imaginary axis.
No errors are defined.
See attributes(5) for descriptions of the following attributes: