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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-15 19:40:15 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-15 19:40:15 +0000 |
commit | 399644e47874bff147afb19c89228901ac39340e (patch) | |
tree | 1c4c0b733f4c16b5783b41bebb19194a9ef62ad1 /man3/cabs.3 | |
parent | Initial commit. (diff) | |
download | manpages-399644e47874bff147afb19c89228901ac39340e.tar.xz manpages-399644e47874bff147afb19c89228901ac39340e.zip |
Adding upstream version 6.05.01.upstream/6.05.01
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'man3/cabs.3')
-rw-r--r-- | man3/cabs.3 | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/man3/cabs.3 b/man3/cabs.3 new file mode 100644 index 0000000..f0c7569 --- /dev/null +++ b/man3/cabs.3 @@ -0,0 +1,55 @@ +'\" t +.\" Copyright 2002 Walter Harms (walter.harms@informatik.uni-oldenburg.de) +.\" +.\" SPDX-License-Identifier: GPL-1.0-or-later +.\" +.TH cabs 3 2023-07-20 "Linux man-pages 6.05.01" +.SH NAME +cabs, cabsf, cabsl \- absolute value of a complex number +.SH LIBRARY +Math library +.RI ( libm ", " \-lm ) +.SH SYNOPSIS +.nf +.B #include <complex.h> +.PP +.BI "double cabs(double complex " z ); +.BI "float cabsf(float complex " z ); +.BI "long double cabsl(long double complex " z ); +.fi +.SH DESCRIPTION +These functions return the absolute value of the complex number +.IR z . +The result is a real number. +.SH ATTRIBUTES +For an explanation of the terms used in this section, see +.BR attributes (7). +.TS +allbox; +lbx lb lb +l l l. +Interface Attribute Value +T{ +.na +.nh +.BR cabs (), +.BR cabsf (), +.BR cabsl () +T} Thread safety MT-Safe +.TE +.sp 1 +.SH STANDARDS +C11, POSIX.1-2008. +.SH HISTORY +glibc 2.1. +C99, POSIX.1-2001. +.SH NOTES +The function is actually an alias for +.I "hypot(a,\ b)" +(or, equivalently, +.IR "sqrt(a*a\ +\ b*b)" ). +.SH SEE ALSO +.BR abs (3), +.BR cimag (3), +.BR hypot (3), +.BR complex (7) |