Mark Dickinson wrote:
> On Feb 9, 5:03 pm, Neal Becker <[EMAIL PROTECTED]> wrote:
>> If I use C code to turn off the hardware signal, will that stop python from
>> detecting the exception, or is python checking for 0 denominator on it's
>> own (hope not, that would waste cycles).
>
> Yes, Python does do an explicit check for a zero denominator. Here's
> an excerpt from floatdiv.c in Objects/floatobject.c:
>
> if (b == 0.0) {
> PyErr_SetString(PyExc_ZeroDivisionError, "float division");
> return NULL;
> }
>
> This is probably the only sane way to deal with differences in
> platform behaviour when doing float divisions.
Are you sure?
It could very well be that 1/(smallest possible number)>(greatest
possible number). So I would also trap any errors besides trapping for
the obvious zero division.
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