random.tcc: Use __builtin_isfinite instead of std::isfinite.

2016-01-15  Steve Ellcey  <sellcey@imgtec.com>

	* include/ext/random.tcc: Use __builtin_isfinite instead of
	std::isfinite.

From-SVN: r232452

diff --git a/libstdc++-v3/ChangeLog b/libstdc++-v3/ChangeLog
index 392ab2c..0d8c24c 100644 (file)
--- a/libstdc++-v3/ChangeLog
+++ b/libstdc++-v3/ChangeLog
@@ -1,3 +1,8 @@
+2016-01-15  Steve Ellcey  <sellcey@imgtec.com>
+
+       * include/ext/random.tcc: Use __builtin_isfinite instead of
+       std::isfinite.
+
 2016-01-15  Jonathan Wakely  <jwakely@redhat.com>
 
        * include/bits/std_mutex.h: Fix Doxygen @file name.

diff --git a/libstdc++-v3/include/ext/random.tcc b/libstdc++-v3/include/ext/random.tcc
index a9c5a2b..52350e8 100644 (file)
--- a/libstdc++-v3/include/ext/random.tcc
+++ b/libstdc++-v3/include/ext/random.tcc
@@ -1570,7 +1570,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
                              return __t; });
              __norm = std::sqrt(__sum);
            }
-         while (__norm == _RealType(0) || ! std::isfinite(__norm));
+         while (__norm == _RealType(0) || ! __builtin_isfinite(__norm));
 
          std::transform(__ret.begin(), __ret.end(), __ret.begin(),
                         [__norm](_RealType __val){ return __val / __norm; });