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|man pages section 3: Extended Library Functions Oracle Solaris 10 8/11 Information Library|
- complex arc hyperbolic tangent functions
c99 [ flag... ] file... -lm [ library... ] #include <complex.h> double complex catanh(double complex z);
float complex catanhf(float complex z);
long double complex catanhl(long double complex z);
These functions compute the complex arc hyperbolic tangent of z, with branch cuts outside the interval [ -1, +1 ] along the real axis.
These functions return the complex arc hyperbolic tangent value, in the range of a strip mathematically unbounded along the real axis and in the interval [ -iπ/2, +iπ/2 ] along the imaginary axis.
No errors are defined.
See attributes(5) for descriptions of the following attributes: