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 | .\" |
| 1ae6b2c7 | 5 | .TH CSIN 3 2021-03-22 GNU "Linux Programmer's Manual" |
| fea681da MK |
6 | .SH NAME |
| 7 | csin, csinf, csinl \- complex sine function | |
| 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 |
| 1ae6b2c7 | 15 | .BI "double complex csin(double complex " z ); |
| fea681da | 16 | .BI "float complex csinf(float complex " z ); |
| 1ae6b2c7 | 17 | .BI "long double complex csinl(long double complex " z ); |
| c7db92b9 | 18 | .fi |
| fea681da | 19 | .SH DESCRIPTION |
| 2feb67af MK |
20 | These functions calculate the complex sine of |
| 21 | .IR z . | |
| 847e0d88 | 22 | .PP |
| 51065a83 | 23 | The complex sine function is defined as: |
| 207050fa | 24 | .PP |
| 1ae6b2c7 AC |
25 | .in +4n |
| 26 | .EX | |
| 27 | csin(z) = (exp(i * z) \- exp(\-i * z)) / (2 * i) | |
| 28 | .EE | |
| 29 | .in | |
| f0d7ce1d MK |
30 | .SH VERSIONS |
| 31 | These functions first appeared in glibc in version 2.1. | |
| 212127d1 MS |
32 | .SH ATTRIBUTES |
| 33 | For an explanation of the terms used in this section, see | |
| 34 | .BR attributes (7). | |
| c466875e MK |
35 | .ad l |
| 36 | .nh | |
| 212127d1 MS |
37 | .TS |
| 38 | allbox; | |
| c466875e | 39 | lbx lb lb |
| 212127d1 MS |
40 | l l l. |
| 41 | Interface Attribute Value | |
| 42 | T{ | |
| 43 | .BR csin (), | |
| 44 | .BR csinf (), | |
| 45 | .BR csinl () | |
| 46 | T} Thread safety MT-Safe | |
| 47 | .TE | |
| c466875e MK |
48 | .hy |
| 49 | .ad | |
| 847e0d88 | 50 | .sp 1 |
| 47297adb | 51 | .SH CONFORMING TO |
| 9a74e018 | 52 | C99, POSIX.1-2001, POSIX.1-2008. |
| 47297adb | 53 | .SH SEE ALSO |
| fea681da | 54 | .BR cabs (3), |
| f54fb0fa | 55 | .BR casin (3), |
| 125ad157 | 56 | .BR ccos (3), |
| fea681da | 57 | .BR ctan (3), |
| a8bda636 | 58 | .BR complex (7) |