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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/cbrt.3 | |
| parent | Initial commit. (diff) | |
| download | manpages-upstream/6.05.01.tar.xz manpages-upstream/6.05.01.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/cbrt.3')
| -rw-r--r-- | man3/cbrt.3 | 88 |
1 files changed, 88 insertions, 0 deletions
diff --git a/man3/cbrt.3 b/man3/cbrt.3 new file mode 100644 index 0000000..106e951 --- /dev/null +++ b/man3/cbrt.3 @@ -0,0 +1,88 @@ +'\" t +.\" Copyright 1995 Jim Van Zandt <jrv@vanzandt.mv.com> +.\" +.\" SPDX-License-Identifier: Linux-man-pages-copyleft +.\" +.\" changed `square root' into `cube root' - aeb, 950919 +.\" +.\" Modified 2002-07-27 Walter Harms +.\" (walter.harms@informatik.uni-oldenburg.de) +.\" +.TH cbrt 3 2023-07-20 "Linux man-pages 6.05.01" +.SH NAME +cbrt, cbrtf, cbrtl \- cube root function +.SH LIBRARY +Math library +.RI ( libm ", " \-lm ) +.SH SYNOPSIS +.nf +.B #include <math.h> +.PP +.BI "double cbrt(double " x ); +.BI "float cbrtf(float " x ); +.BI "long double cbrtl(long double " x ); +.fi +.PP +.RS -4 +Feature Test Macro Requirements for glibc (see +.BR feature_test_macros (7)): +.RE +.PP +.BR cbrt (): +.nf + _ISOC99_SOURCE || _POSIX_C_SOURCE >= 200112L + || _XOPEN_SOURCE >= 500 +.\" || _XOPEN_SOURCE && _XOPEN_SOURCE_EXTENDED + || /* Since glibc 2.19: */ _DEFAULT_SOURCE + || /* glibc <= 2.19: */ _BSD_SOURCE || _SVID_SOURCE +.fi +.PP +.BR cbrtf (), +.BR cbrtl (): +.nf + _ISOC99_SOURCE || _POSIX_C_SOURCE >= 200112L + || /* Since glibc 2.19: */ _DEFAULT_SOURCE + || /* glibc <= 2.19: */ _BSD_SOURCE || _SVID_SOURCE +.fi +.SH DESCRIPTION +These functions return the (real) cube root of +.IR x . +This function cannot fail; every representable real value has a +representable real cube root. +.SH RETURN VALUE +These functions return the cube root of +.IR x . +.PP +If +.I x +is +0, \-0, positive infinity, negative infinity, or NaN, +.I x +is returned. +.SH ERRORS +No errors occur. +.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 cbrt (), +.BR cbrtf (), +.BR cbrtl () +T} Thread safety MT-Safe +.TE +.sp 1 +.SH STANDARDS +C11, POSIX.1-2008. +.SH HISTORY +C99, POSIX.1-2001. +.\" .BR cbrt () +.\" was a GNU extension. It is now a C99 requirement. +.SH SEE ALSO +.BR pow (3), +.BR sqrt (3) |