From 7f3caba522f4d24764f29d83aa2de9198bb7f01c Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Fri, 24 May 2024 06:52:22 +0200 Subject: Adding upstream version 6.8. Signed-off-by: Daniel Baumann --- man3/copysign.3 | 92 --------------------------------------------------------- 1 file changed, 92 deletions(-) delete mode 100644 man3/copysign.3 (limited to 'man3/copysign.3') diff --git a/man3/copysign.3 b/man3/copysign.3 deleted file mode 100644 index 8f7e7ab..0000000 --- a/man3/copysign.3 +++ /dev/null @@ -1,92 +0,0 @@ -'\" t -.\" Copyright 1993 David Metcalfe (david@prism.demon.co.uk) -.\" -.\" SPDX-License-Identifier: Linux-man-pages-copyleft -.\" -.\" References consulted: -.\" Linux libc source code -.\" Lewine's _POSIX Programmer's Guide_ (O'Reilly & Associates, 1991) -.\" 386BSD man pages -.\" Modified 1993-07-24 by Rik Faith (faith@cs.unc.edu) -.\" Modified 2002-08-10 by Walter Harms (walter.harms@informatik.uni-oldenburg.de) -.TH copysign 3 2023-10-31 "Linux man-pages 6.7" -.SH NAME -copysign, copysignf, copysignl \- copy sign of a number -.SH LIBRARY -Math library -.RI ( libm ", " \-lm ) -.SH SYNOPSIS -.nf -.B #include -.P -.BI "double copysign(double " x ", double " y ); -.BI "float copysignf(float " x ", float " y ); -.BI "long double copysignl(long double " x ", long double " y ); -.fi -.P -.RS -4 -Feature Test Macro Requirements for glibc (see -.BR feature_test_macros (7)): -.RE -.P -.BR copysign (), -.BR copysignf (), -.BR copysignl (): -.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 a value whose absolute value matches that of -.IR x , -but whose sign bit matches that of -.IR y . -.P -For example, -.I "copysign(42.0,\ \-1.0)" -and -.I "copysign(\-42.0, \-1.0)" -both return \-42.0. -.SH RETURN VALUE -On success, these functions return a value whose magnitude is taken from -.I x -and whose sign is taken from -.IR y . -.P -If -.I x -is a NaN, -a NaN with the sign bit of -.I y -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 copysign (), -.BR copysignf (), -.BR copysignl () -T} Thread safety MT-Safe -.TE -.SH VERSIONS -On architectures where the floating-point formats are not IEEE 754 compliant, -these functions may treat a negative zero as positive. -.SH STANDARDS -C11, POSIX.1-2008. -.P -This function is defined in IEC 559 (and the appendix with -recommended functions in IEEE 754/IEEE 854). -.SH HISTORY -C99, POSIX.1-2001, 4.3BSD. -.SH SEE ALSO -.BR signbit (3) -- cgit v1.2.3