[Numpy-discussion] masked ufuncs in C: on github

Robert Kern robert.kern@gmail....
Sat May 16 03:04:46 CDT 2009


On Sat, May 16, 2009 at 03:02, Eric Firing <efiring@hawaii.edu> wrote:
> Charles R Harris wrote:

>> Here the if ... continue needs to follow the declaration:
>>
>>         if (*mp1) continue;
>>         float in1 = *(float *)ip1;
>>         float in2 = *(float *)ip2;
>>         *(float *)op1 = f(in1, in2);
>>
>
> I was surprised to see the declarations inside the loop in the first
> place (this certainly is not ANSI-C), and I was also pleasantly
> surprised that letting them be after the conditional didn't seem to
> bother the compiler at all.  Maybe that is a gcc extension.

I believe they are a part of C99.

-- 
Robert Kern

"I have come to believe that the whole world is an enigma, a harmless
enigma that is made terrible by our own mad attempt to interpret it as
though it had an underlying truth."
  -- Umberto Eco


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