[Issue 19732] make std.complex.expi fast.

[d-bugmail at puremagic.com]

https://issues.dlang.org/show_bug.cgi?id=19732

Bastiaan Veelo <Bastiaan at Veelo.net> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
         Resolution|---                         |INVALID

--- Comment #2 from Bastiaan Veelo <Bastiaan at Veelo.net> ---
Nowadays, the x87 instruction fsincos is slower, not faster, than computing sin
and cos separately.

https://stackoverflow.com/questions/12485190/calling-fsincos-instruction-in-llvm-slower-than-calling-libc-sin-cos-functions

Therefore, there is no need for assembly in the expi() implementation, which
was removed in
https://github.com/dlang/phobos/commit/029440c2f9008ff2fe8803c97900394bfe9b4e4e.

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