2016-03-24 01:37:55 +00:00
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diff -up octave-4.0.1/libgnu/math.in.h.signbit octave-4.0.1/libgnu/math.in.h
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--- octave-4.0.1/libgnu/math.in.h.signbit 2015-05-14 01:31:01.000000000 -0600
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+++ octave-4.0.1/libgnu/math.in.h 2016-03-23 17:34:43.719131933 -0600
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@@ -1,6 +1,6 @@
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/* A GNU-like <math.h>.
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- Copyright (C) 2002-2003, 2007-2015 Free Software Foundation, Inc.
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+ Copyright (C) 2002-2003, 2007-2016 Free Software Foundation, Inc.
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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@@ -2205,7 +2205,8 @@ _GL_WARN_REAL_FLOATING_DECL (isnan);
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2016-02-21 16:57:14 +00:00
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#if @GNULIB_SIGNBIT@
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-# if @REPLACE_SIGNBIT_USING_GCC@
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2016-03-24 01:37:55 +00:00
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+# if (@REPLACE_SIGNBIT_USING_GCC@ \
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+ && (!defined __cplusplus || __cplusplus < 201103L))
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2016-02-21 16:57:14 +00:00
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# undef signbit
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/* GCC 4.0 and newer provides three built-ins for signbit. */
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# define signbit(x) \
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