Rodolfo Gonzalez Gonzalez wrote:
Hi,
Just for the record. I compiled PHP 5.2.2 with CFLAGS="-O2
-march=pentium4 -mcpu=pentium4", as usual (I've done so with all the
5.x.x series, and the proc is a Pentium 4, of course) and a customer
complained about weird results in one of his scripts. I isolated the
problem to be related to the floor function. The problem was that it
returned weird results. Sample script:
<?php
$nt = 100;
$promrow2['uni_gifts'] = 1;
$promrow2['unidades'] = 10;
$calc_cnt=floor(($nt*$promrow2['uni_gifts'])/$promrow2['unidades']);
print $calc_cnt;
?>
printed :.0000000001
Casting to integer the value returned by floor solved the problem. I
recompiled with CFLAGS="-O2 -march=i686 -mcpu=i686" and the problem was
solved too. I've compiled 5.2.2 with nocona optimizations without
problems in other machines, so I don't consider this a normal behavior.
But report submited. Has anyone faced the same problem?.
Best to ask the -internals list, they will be able to help a lot better
than we can.
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