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 cabs 3 (date) "Linux man-pages (unreleased)" |
| fea681da | 7 | .SH NAME |
| c13182ef | 8 | cabs, cabsf, cabsl \- absolute value 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 |
| fea681da | 16 | .BI "double cabs(double complex " z ); |
| fea681da | 17 | .BI "float cabsf(float complex " z ); |
| fea681da | 18 | .BI "long double cabsl(long double complex " z ); |
| c7db92b9 | 19 | .fi |
| fea681da | 20 | .SH DESCRIPTION |
| 5600f73a | 21 | These functions return the absolute value of the complex number |
| daac0b39 | 22 | .IR z . |
| ca7b3c18 | 23 | The result is a real number. |
| 1c4f38c6 MS |
24 | .SH ATTRIBUTES |
| 25 | For an explanation of the terms used in this section, see | |
| 26 | .BR attributes (7). | |
| 27 | .TS | |
| 28 | allbox; | |
| c466875e | 29 | lbx lb lb |
| 1c4f38c6 MS |
30 | l l l. |
| 31 | Interface Attribute Value | |
| 32 | T{ | |
| 9e54434e BR |
33 | .na |
| 34 | .nh | |
| 1c4f38c6 MS |
35 | .BR cabs (), |
| 36 | .BR cabsf (), | |
| 37 | .BR cabsl () | |
| 38 | T} Thread safety MT-Safe | |
| 39 | .TE | |
| 3113c7f3 | 40 | .SH STANDARDS |
| 4131356c AC |
41 | C11, POSIX.1-2008. |
| 42 | .SH HISTORY | |
| 43 | glibc 2.1. | |
| 44 | C99, POSIX.1-2001. | |
| 2b2581ee | 45 | .SH NOTES |
| daac0b39 MK |
46 | The function is actually an alias for |
| 47 | .I "hypot(a,\ b)" | |
| 48 | (or, equivalently, | |
| 49 | .IR "sqrt(a*a\ +\ b*b)" ). | |
| 47297adb | 50 | .SH SEE ALSO |
| fea681da MK |
51 | .BR abs (3), |
| 52 | .BR cimag (3), | |
| 53 | .BR hypot (3), | |
| a8bda636 | 54 | .BR complex (7) |