浮点数 php判断两个浮点数是否相等
php判断两个浮点数是否相等 [代码片段(8行)]
<?php $delta = 0.00001; $a = 1.00000001; $b = 1.00000000; if (abs($a - $b) < $delta) { /* $a and $b are equal */ } ?>
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<?php $delta = 0.00001; $a = 1.00000001; $b = 1.00000000; if (abs($a - $b) < $delta) { /* $a and $b are equal */ } ?>
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