Does "result = (uint(number) & uint(comparison))" work?
-Josh
2009/1/20 Rafael Faria <rafaelfaria.gru...@gmail.com>
>
> Please,
>
> anyone with skills to convert the following php function to flex? i'm
> killing myself trying...
>
> please... anyone?
>
> thanks
> rafael
>
> -----
>
> /**
> * Perform a float-safe bitwise AND comparison
> *
> * @param int/float $number The number to which to perform a bitwise AND
> * @param int/float $comparison The number with which to perform a
> bitwise AND
> * @return bool
> */
> function safeBitCheck($number,$comparison) {
> if( $number < 2147483647 ) {
> return ($number & $comparison)==$comparison;
> } else {
> $binNumber = strrev(base_convert($number,10,2));
> $binComparison = strrev(base_convert($comparison,10,2));
> for( $i=0; $i<strlen($binComparison); $i++ ) {
> if( strlen($binNumber)<$i || ($binComparison{$i}==="1" &&
> $binNumber{$i}==="0") ) {
> return false;
> }
> }
> return true;
> }
> }
>
> safeBitCheck(17,16); // true
> safeBitCheck(17,2); // false
> safeBitCheck((4294967296+8589934592),4294967296); // true
> safeBitCheck(2,8589934592); // false
>
>
> ------------------------------------
>
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--
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