bad floating point exception
Mike - EMAIL IGNORED
m_d_berger_1900 at yahoo.com
Fri Jul 27 22:48:43 UTC 2007
On Fri, 27 Jul 2007 15:41:32 -0700, Gordon Messmer wrote:
> Mike - EMAIL IGNORED wrote:
>>
>> unsigned x = <seconds in the epoch>;
>> unsigned y = 0; // an error
>> if (x % y == 0)
>> ...
>>
>> I got a floating point exception. Peculiar?
>
> No.
>
> http://en.wikipedia.org/wiki/SIGFPE
> "SIGFPE is the signal sent to computer programs that perform erroneous
> arithmetic operations on POSIX compliant platforms. ... Although SIGFPE
> does not necessarily involve floating-point arithmetic, there is no way
> to change its name without breaking backward compatibility."
Looking at your reference, I see that someone knows the
differences among different kinds of errors, and I get the
feeling that something can be done about it.
Mike.
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