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@ 2016-04-06T08:54:22Z

<?php
$x =  0.0;
$y = -0.0;

printf("%.08f == %.08f: %d\n", atan2($x, $y), atan2($y, $y), atan2($x, $y) == atan2($y, $y));

Output
Performance
VLD
References
Branches

atan2: documentation ( source)
printf: documentation ( source)

preferences:dark modelive previewkey bindings

112.15 ms | 2288 KiB | 5 Q