[Numpy-discussion] toward python 2.6: mtrand, gettimeofday and mingw
Charles R Harris
Fri Nov 14 11:58:54 CST 2008
On Fri, Nov 14, 2008 at 10:42 AM, Charles R Harris <
> On Fri, Nov 14, 2008 at 10:13 AM, David Cournapeau <email@example.com>wrote:
>> On Fri, Nov 14, 2008 at 6:39 PM, Charles R Harris
>> <firstname.lastname@example.org> wrote:
>> > static float npy_tanhf(
>> > ...
>> > #define tanhf npy_tanhf
>> I don't like this solution so much. The right solution IMHO is to
>> correctly detect the intrinsic so we don't define a function already
> We need a function with a pointer that can called by the ufunc. I was
> guessing that with /Ox optimization windows might be using a hardware
> instructions where it could and MS forgot to put a corresponding version in
> the library. In any case, the current code is safe, if ugly, and if you can
> get the detection set up right it won't get in the way.
So maybe the thing to check is the presence of the pointer, something like
float (*foo)() = barf;
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