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@caramelchocolate

caramelchocolate/main.php

Created April 9, 2020 14:45
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Round-off error example
Raw
main.php
<?php
$a = 0.1 + 0.1 + 0.1;
$b = 0.3;
if ($a != $b) {
echo "Round-off error" . PHP_EOL;
}
$a = (0.1 * 0.1) * 30;
$b = 0.3;
if ($a != $b) {
echo "Round-off error" . PHP_EOL;
}
$a = (0.1 * 0.1) / 0.1;
$b = 0.1;
if ($a != $b) {
echo "Round-off error" . PHP_EOL;
}
?>
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