projects / thirdparty / man-pages.git / blame
| Commit | Line | Data |
|---|---|---|
| fea681da | 1 | .\" Copyright 2002 Walter Harms (walter.harms@informatik.uni-oldenburg.de) |
| 2297bf0e | 2 | .\" |
| 95fb8859 | 3 | .\" SPDX-License-Identifier: GPL-1.0-or-later |
| fea681da | 4 | .\" |
| 45186a5d | 5 | .TH CASINH 3 2021-03-22 "Linux man-pages (unreleased)" |
| fea681da MK |
6 | .SH NAME |
| 7 | casinh, casinhf, casinhl \- complex arc sine hyperbolic | |
| 2af19291 AC |
8 | .SH LIBRARY |
| 9 | Math library | |
| 8fc3b2cf | 10 | .RI ( libm ", " \-lm ) |
| fea681da | 11 | .SH SYNOPSIS |
| c7db92b9 | 12 | .nf |
| fea681da | 13 | .B #include <complex.h> |
| 68e4db0a | 14 | .PP |
| c13182ef | 15 | .BI "double complex casinh(double complex " z ); |
| fea681da | 16 | .BI "float complex casinhf(float complex " z ); |
| fea681da | 17 | .BI "long double complex casinhl(long double complex " z ); |
| c7db92b9 | 18 | .fi |
| fea681da | 19 | .SH DESCRIPTION |
| 5600f73a | 20 | These functions calculate the complex arc hyperbolic sine of |
| daac0b39 | 21 | .IR z . |
| 1ae6b2c7 | 22 | If \fIy\~=\~casinh(z)\fP, then \fIz\~=\~csinh(y)\fP. |
| daac0b39 MK |
23 | The imaginary part of |
| 24 | .I y | |
| 25 | is chosen in the interval [\-pi/2,pi/2]. | |
| dd3568a1 | 26 | .PP |
| daac0b39 | 27 | One has: |
| 207050fa | 28 | .PP |
| 1ae6b2c7 AC |
29 | .in +4n |
| 30 | .EX | |
| 31 | casinh(z) = clog(z + csqrt(z * z + 1)) | |
| 32 | .EE | |
| 33 | .in | |
| f0d7ce1d MK |
34 | .SH VERSIONS |
| 35 | These functions first appeared in glibc in version 2.1. | |
| 9ed4c033 MS |
36 | .SH ATTRIBUTES |
| 37 | For an explanation of the terms used in this section, see | |
| 38 | .BR attributes (7). | |
| c466875e MK |
39 | .ad l |
| 40 | .nh | |
| 9ed4c033 MS |
41 | .TS |
| 42 | allbox; | |
| c466875e | 43 | lbx lb lb |
| 9ed4c033 MS |
44 | l l l. |
| 45 | Interface Attribute Value | |
| 46 | T{ | |
| 47 | .BR casinh (), | |
| 48 | .BR casinhf (), | |
| 49 | .BR casinhl () | |
| 50 | T} Thread safety MT-Safe | |
| 51 | .TE | |
| c466875e MK |
52 | .hy |
| 53 | .ad | |
| 54 | .sp 1 | |
| 3113c7f3 | 55 | .SH STANDARDS |
| 9a74e018 | 56 | C99, POSIX.1-2001, POSIX.1-2008. |
| 47297adb | 57 | .SH SEE ALSO |
| fea681da MK |
58 | .BR asinh (3), |
| 59 | .BR cabs (3), | |
| 60 | .BR cimag (3), | |
| 5be56312 | 61 | .BR csinh (3), |
| a8bda636 | 62 | .BR complex (7) |