[RFC PATCH] Convert pow(10.0,x) -> exp10(x), etc...

[Nathan Sidwell]

Richard Guenther wrote:
> One could also try canonicalization of sqrt(x) and cbrt(x) to pow(x, 0.5)
> and pow(x, 1/3), this would simplify some more of the folders.

I don't think that would be sensible.  Certainly sqrt and probably cbrt will
have optimized algorithms in the library.

nathan

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