mirror of
https://git.savannah.gnu.org/git/gnulib.git
synced 2025-08-16 01:22:18 +03:00
5835ba726c
* lib/math.in.h (copysign): New declaration. * lib/copysign.c: New file. * m4/copysign.m4: New file. * m4/math_h.m4 (gl_MATH_H): Test whether copysign is declared. (gl_MATH_H_DEFAULTS): Initialize GNULIB_COPYSIGN, HAVE_COPYSIGN. * modules/math (Makefile.am): Substitute GNULIB_COPYSIGN, HAVE_COPYSIGN. * modules/copysign (Description): Clarify. (Files): Add lib/copysign.c, m4/copysign.m4. (Depends-on): Add math, signbit. (configure.ac): Invoke gl_FUNC_COPYSIGN, AC_LIBOBJ, gl_MATH_MODULE_INDICATOR. * tests/test-math-c++.cc: Check the declaration of copysign. * doc/posix-functions/copysign.texi: Mention the effects of the module on Minix and MSVC.
19 lines
380 B
Plaintext
19 lines
380 B
Plaintext
@node copysign
|
|
@section @code{copysign}
|
|
@findex copysign
|
|
|
|
POSIX specification:@* @url{http://www.opengroup.org/onlinepubs/9699919799/functions/copysign.html}
|
|
|
|
Gnulib module: copysign
|
|
|
|
Portability problems fixed by Gnulib:
|
|
@itemize
|
|
@item
|
|
This function is missing on some platforms:
|
|
Minix 3.1.8, MSVC 9.
|
|
@end itemize
|
|
|
|
Portability problems not fixed by Gnulib:
|
|
@itemize
|
|
@end itemize
|