i need accuracy, how to ?
Thank You.
"Per Jessen" <per@xxxxxxxxxxxx> ¼¶¼g©ó¶l¥ó·s»D:gjg4fk$58p$1@xxxxxxxxxxxxxxxxxxx
LKSunny wrote:
> <?
> $credithold = 100;
> for($i=1;$i<=1000;$i++){
> $credithold -= 0.1;
> echo "$credithold<br />";
> }
> //i don't know why, when run this code, on 91.3 after expect is 91.2,
> however......91.200000000001
> //who can help me ? and tell me why ?
It's a floating point rounding error. If you don't need the accuracy,
just round it to what you need.
/Per Jessen, Zurich
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