casinh - Online Linux Manual PageSection : 3
Updated : 2022-12-15
Source : Linux man-pages 6.03

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NAMEcasinh, casinhf, casinhl − complex arc sine hyperbolic

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LIBRARYMath library (libm, −lm)

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SYNOPSIS#include <complex.h>double complex casinh(double complex z); float complex casinhf(float complex z); long double complex casinhl(long double complex z);

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DESCRIPTIONThese 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))

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VERSIONSThese functions were added in glibc 2.1.

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ATTRIBUTESFor an explanation of the terms used in this section, see attributes(7). InterfaceAttributeValue casinh(), casinhf(), casinhl() Thread safetyMT-Safe

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STANDARDSC99, POSIX.1-2001, POSIX.1-2008.

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SEE ALSOasinh(3), cabs(3), cimag(3), csinh(3), complex(7) 0

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