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NAME | LIBRARY | SYNOPSIS | DESCRIPTION | ATTRIBUTES | STANDARDS | HISTORY | SEE ALSO | COLOPHON |
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casinh(3) Library Functions Manual casinh(3)
casinh, casinhf, casinhl - complex arc sine hyperbolic
Math library (libm, -lm)
#include <complex.h>
double complex casinh(double complex z);
float complex casinhf(float complex z);
long double complex casinhl(long double complex z);
These functions calculate the complex arc hyperbolic sine of z.
If y = casinh(z), then z = csinh(y). The imaginary part of y is
chosen in the interval [-pi/2,pi/2].
One has:
casinh(z) = clog(z + csqrt(z * z + 1))
For an explanation of the terms used in this section, see
attributes(7).
┌─────────────────────────────────────┬───────────────┬─────────┐
│ Interface │ Attribute │ Value │
├─────────────────────────────────────┼───────────────┼─────────┤
│ casinh(), casinhf(), casinhl() │ Thread safety │ MT-Safe │
└─────────────────────────────────────┴───────────────┴─────────┘
C11, POSIX.1-2008.
glibc 2.1. C99, POSIX.1-2001.
asinh(3), cabs(3), cimag(3), csinh(3), complex(7)
This page is part of the man-pages (Linux kernel and C library
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Linux man-pages 6.9.1 2024-05-02 casinh(3)
Pages that refer to this page: asinh(3), csinh(3), complex(7)
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HTML rendering created 2024-06-26 by Michael Kerrisk, author of The Linux Programming Interface. For details of in-depth Linux/UNIX system programming training courses that I teach, look here. Hosting by jambit GmbH. |
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