http://d.puremagic.com/issues/show_bug.cgi?id=4455


bearophile_h...@eml.cc changed:

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--- Comment #1 from bearophile_h...@eml.cc 2010-07-13 14:25:18 PDT ---
Partially unrelated: an efficient D compiler can desire to implement the sqrt
with SSE instructions like SQRTSS RSQRTSS SQRTPS and RSQRTPS, that have floats
or doubles in input or output. So I think a double sqrt(double) too can be
useful, to avoid the useless argument passing of 10-12-16 bytes (necessary for
an argument of type real) for the computation of sqrt on a double.

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