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From: Stephan Tolksdorf (andorxor_at_[hidden])
Date: 2007-03-15 13:38:40

> One solution might be to let the user decide which implementation to
> use. My implementation would be the default, but if the user defines the
> macro BOOST_USE_NATIVE_FPCLASSIFY, then my code would call the native
> implementation instead.

That would probably be a good option to have. For platforms known to
have an efficient copysign/signbit it could also default to the native
version, though that would need some testing.


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