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r232327 - in /trunk/libstdc++-v3: ChangeLog aci...

From: redi at gcc dot gnu dot org
To: gcc-cvs at gcc dot gnu dot org
Date: Wed, 13 Jan 2016 16:25:56 -0000
Subject: r232327 - in /trunk/libstdc++-v3: ChangeLog aci...

Author: redi
Date: Wed Jan 13 16:25:56 2016
New Revision: 232327

URL: https://gcc.gnu.org/viewcvs?rev=232327&root=gcc&view=rev
Log:
Use ::isinf and ::isnan if libc defines them

	PR libstdc++/48891
	* acinclude.m4 (GLIBCXX_CHECK_MATH11_PROTO): Check for obsolete isinf
	and isnan functions.
	* config.h.in: Regenerate.
	* configure: Regenerate.
	* include/c_global/cmath (isinf(double), isnan(double))
	[_GLIBCXX_HAVE_OBSOLETE_ISINF_ISNAN]: Import via using-directive.
	* testsuite/26_numerics/headers/cmath/48891.cc: New.

Added:
    trunk/libstdc++-v3/testsuite/26_numerics/headers/cmath/48891.cc
Modified:
    trunk/libstdc++-v3/ChangeLog
    trunk/libstdc++-v3/acinclude.m4
    trunk/libstdc++-v3/config.h.in
    trunk/libstdc++-v3/configure
    trunk/libstdc++-v3/include/c_global/cmath

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