ctanh, ctanhf, ctanhl - complex hyperbolic tangent
Contents
Attributes
For an explanation of the terms used in this section, see attributes(7).
┌─────────────────────────────────────────────────────────────────────────────┬───────────────┬─────────┐
│ Interface │ Attribute │ Value │
├─────────────────────────────────────────────────────────────────────────────┼───────────────┼─────────┤
│ ctanh(), ctanhf(), ctanhl() │ Thread safety │ MT-Safe │
└─────────────────────────────────────────────────────────────────────────────┴───────────────┴─────────┘
Description
These functions calculate the complex hyperbolic tangent of z.
The complex hyperbolic tangent function is defined mathematically as:
ctanh(z) = csinh(z) / ccosh(z)
History
glibc 2.1. C99, POSIX.1-2001.
Library
Math library (libm, -lm)
Name
ctanh, ctanhf, ctanhl - complex hyperbolic tangent
See Also
cabs(3), catanh(3), ccosh(3), csinh(3), complex(7) Linux man-pages 6.9.1 2024-05-02 ctanh(3)
Standards
C11, POSIX.1-2008.
Synopsis
#include<complex.h>doublecomplexctanh(doublecomplexz);floatcomplexctanhf(floatcomplexz);longdoublecomplexctanhl(longdoublecomplexz);