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253563 |
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23-Jul-2013 |
theraven |
Add isnan() and isinf() to the global namespace in libstdc++'s <cmath>.
The standard (n3242, section 17.6.1.1, paragraph 4) says that, because these are declared as macros in the C specification (even though they are implemented as functions in the C++ library) they should be in the global namespace.
A surprising number of configure checks rely on this. It was broken by recent cleanups to math.h.
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