casinh, casinhf, casinhl - complex arc sine hyperbolic
double complex casinh(double complex
float complex casinhf(float complex
long double complex casinhl(long double complex
These functions calculate the complex arc hyperbolic sine of
y = casinh(z), then
z = csinh(y). The imaginary part of
y is chosen in the interval [-pi/2,pi/2].
casinh(z) = clog(z + csqrt(z * z + 1))
These functions first appeared in glibc in version 2.1.
For an explanation of the terms used in this section, see attributes(7).
|casinh(), casinhf(), casinhl()||Thread safety||MT-Safe|
C99, POSIX.1-2001, POSIX.1-2008.
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