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Don't be too quick to disable long double functions if __NO_LONG_DOUBLE_MATH is set by GLIBC.

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Fixes #6459.

[SVN r76764]
This commit is contained in:
John Maddock
2012-01-28 19:13:44 +00:00
parent 03ced014ee
commit 59eb0f44df
1 changed files with 3 additions and 1 deletions
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4
include/boost/math/tools/config.hpp
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@@ -16,6 +16,7 @@
#include <algorithm> // for min and max
#include <boost/config/no_tr1/cmath.hpp>
#include <climits>
#include <cfloat>
#if (defined(macintosh) || defined(__APPLE__) || defined(__APPLE_CC__))
# include <math.h>
#endif
@@ -24,7 +25,8 @@
#include <boost/math/special_functions/detail/round_fwd.hpp>
#if (defined(__CYGWIN__) || defined(__FreeBSD__) || defined(__NetBSD__) \
|| (defined(__hppa) && !defined(__OpenBSD__)) || defined(__NO_LONG_DOUBLE_MATH)) && !defined(BOOST_MATH_NO_LONG_DOUBLE_MATH_FUNCTIONS)
|| (defined(__hppa) && !defined(__OpenBSD__)) || (defined(__NO_LONG_DOUBLE_MATH) && (DBL_MANT_DIG != LDBL_MANT_DIG))) \
&& !defined(BOOST_MATH_NO_LONG_DOUBLE_MATH_FUNCTIONS)
# define BOOST_MATH_NO_LONG_DOUBLE_MATH_FUNCTIONS
#endif
#if BOOST_WORKAROUND(__BORLANDC__, BOOST_TESTED_AT(0x582))