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Command: ctanh | Section: 3 | Source: OpenBSD | File: ctanh.3
CTANH(3) FreeBSD Library Functions Manual CTANH(3)
NAME
ctanh, ctanhf, ctanhl - complex hyperbolic tangent
SYNOPSIS
#include <complex.h>
double complex
ctanh(double complex z);
float complex
ctanhf(float complex z);
long double complex
ctanhl(long double complex z);
DESCRIPTION
The ctanh(), ctanhf() and ctanhl() functions compute the complex
hyperbolic tangent of z.
If z = x + iy, then
ctanh(z) = (sinh(2x) + i sin(2y)) / (cosh(2x) + cos(2y)).
RETURN VALUES
The ctanh(), ctanhf() and ctanhl() functions return the complex
hyperbolic tangent of z.
SEE ALSO
ccosh(3), csinh(3)
STANDARDS
The ctanh(), ctanhf() and ctanhl() functions conform to ISO/IEC 9899:1999
("ISO C99").
FreeBSD 14.1-RELEASE-p8 June 5, 2013 FreeBSD 14.1-RELEASE-p8