Christophe CURIS 9ab2203456 Use single-precision math functions when available ...

Since C99 we have floating point functions available for single precision,
so as it is what we need we detect them (configure) and use them when
appropriate. The goal is to avoid unnecessary float->double + double->float
conversion.

Signed-off-by: Christophe CURIS <christophe.curis@free.fr>

2015-05-24 23:25:57 +01:00

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