projects / thirdparty / man-pages.git / blame
| Commit | Line | Data |
|---|---|---|
| a1eaacb1 | 1 | '\" t |
| fea681da | 2 | .\" Copyright 2002 Walter Harms (walter.harms@informatik.uni-oldenburg.de) |
| 2297bf0e | 3 | .\" |
| 95fb8859 | 4 | .\" SPDX-License-Identifier: GPL-1.0-or-later |
| fea681da | 5 | .\" |
| 4c1c5274 | 6 | .TH cimag 3 (date) "Linux man-pages (unreleased)" |
| fea681da MK |
7 | .SH NAME |
| 8 | cimag, cimagf, cimagl \- get imaginary part of a complex number | |
| 2af19291 AC |
9 | .SH LIBRARY |
| 10 | Math library | |
| 8fc3b2cf | 11 | .RI ( libm ", " \-lm ) |
| fea681da | 12 | .SH SYNOPSIS |
| c7db92b9 | 13 | .nf |
| fea681da | 14 | .B #include <complex.h> |
| c6d039a3 | 15 | .P |
| 1ae6b2c7 AC |
16 | .BI "double cimag(double complex " z ); |
| 17 | .BI "float cimagf(float complex " z ); | |
| 18 | .BI "long double cimagl(long double complex " z ); | |
| c7db92b9 | 19 | .fi |
| fea681da | 20 | .SH DESCRIPTION |
| 5600f73a | 21 | These functions return the imaginary part of the complex number |
| 3b8affde | 22 | .IR z . |
| c6d039a3 | 23 | .P |
| 3b8affde | 24 | One has: |
| c6d039a3 | 25 | .P |
| 1ae6b2c7 AC |
26 | .in +4n |
| 27 | .EX | |
| 28 | z = creal(z) + I * cimag(z) | |
| 29 | .EE | |
| 30 | .in | |
| e3543fbb | 31 | .SH ATTRIBUTES |
| 2724812b MK |
32 | For an explanation of the terms used in this section, see |
| 33 | .BR attributes (7). | |
| 34 | .TS | |
| 35 | allbox; | |
| c466875e | 36 | lbx lb lb |
| 2724812b MK |
37 | l l l. |
| 38 | Interface Attribute Value | |
| 39 | T{ | |
| 9e54434e BR |
40 | .na |
| 41 | .nh | |
| e3543fbb PH |
42 | .BR cimag (), |
| 43 | .BR cimagf (), | |
| e3543fbb | 44 | .BR cimagl () |
| 2724812b MK |
45 | T} Thread safety MT-Safe |
| 46 | .TE | |
| 196224f7 | 47 | .SH VERSIONS |
| 4131356c | 48 | GCC also supports __imag__. |
| 19c98696 | 49 | That is a GNU extension. |
| 4131356c AC |
50 | .SH STANDARDS |
| 51 | C11, POSIX.1-2008. | |
| 52 | .SH HISTORY | |
| 53 | glibc 2.1. | |
| 54 | C99, POSIX.1-2001. | |
| 47297adb | 55 | .SH SEE ALSO |
| fea681da MK |
56 | .BR cabs (3), |
| 57 | .BR creal (3), | |
| a8bda636 | 58 | .BR complex (7) |