Date: Fri, 19 Sep 1997 20:24:02 +1000 From: Bruce Evans <bde@zeta.org.au> To: bde@zeta.org.au, phk@critter.freebsd.dk Cc: atrens@nortel.ca, freebsd-bugs@freebsd.org, gram@cdsec.com, grog@lemis.com, hackers@freebsd.org, peter@spinner.dialix.com.au Subject: Re: Bug in malloc/free Message-ID: <199709191024.UAA12065@godzilla.zeta.org.au>
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>>STDC only allows operations on auto variables and assignment to static
>>variables of type sig_atomic_t. We aren't STDC conformant either.
^volatile
>>Operations on auto floating point variables may corrupt the floating
>>point state. This isn't a problem in practice, since nothing useful
>>can be done using only auto floating point variables.
>
>You could calculate pi... :-)
I was going to say that this is more useless than usual since there is
no way to output the results. However, I think the following works:
volatile sig_atomic_t encoded_results[MANY];
void handler(int s) {
int i;
for (i = 0; i < MANY; ++i)
encoded_results[i] = bit_of_pi(i) == 0 ? 1 : 2;
}
There is no way to calculate only a few bits per call since there is no
way to keep track of state.
Bruce
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