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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-24 04:52:22 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-24 04:52:22 +0000 |
| commit | 3d08cd331c1adcf0d917392f7e527b3f00511748 (patch) | |
| tree | 312f0d1e1632f48862f044b8bb87e602dcffb5f9 /man/man3/cbrt.3 | |
| parent | Adding debian version 6.7-2. (diff) | |
| download | manpages-3d08cd331c1adcf0d917392f7e527b3f00511748.tar.xz manpages-3d08cd331c1adcf0d917392f7e527b3f00511748.zip | |
Merging upstream version 6.8.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'man/man3/cbrt.3')
| -rw-r--r-- | man/man3/cbrt.3 | 90 |
1 files changed, 90 insertions, 0 deletions
diff --git a/man/man3/cbrt.3 b/man/man3/cbrt.3 new file mode 100644 index 0000000..bf5a62b --- /dev/null +++ b/man/man3/cbrt.3 @@ -0,0 +1,90 @@ +'\" 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 2024-05-02 "Linux man-pages (unreleased)" +.SH NAME +cbrt, cbrtf, cbrtl \- cube root function +.SH LIBRARY +Math library +.RI ( libm ", " \-lm ) +.SH SYNOPSIS +.nf +.B #include <math.h> +.P +.BI "double cbrt(double " x ); +.BI "float cbrtf(float " x ); +.BI "long double cbrtl(long double " x ); +.fi +.P +.RS -4 +Feature Test Macro Requirements for glibc (see +.BR feature_test_macros (7)): +.RE +.P +.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 +.P +.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 real cube root, +and rounding it to a representable value +never causes overflow nor underflow. +.SH RETURN VALUE +These functions return the cube root of +.IR x . +.P +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 +.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) |