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--TEST--
Random: Randomizer: getFloat(): Opposite signs are handled correctly
--FILE--
<?php
use Random\Engine;
use Random\Randomizer;
final class TestEngine implements Engine
{
private array $values = [
"\x63\xe8\x58\x79\x3e\xf6\x38\x00",
"\x64\xe8\x58\x79\x3e\xf6\x38\x00",
"\x65\xe8\x58\x79\x3e\xf6\x38\x00",
"\x66\xe8\x58\x79\x3e\xf6\x38\x00",
"\x67\xe8\x58\x79\x3e\xf6\x38\x00",
];
public function generate(): string
{
return \array_shift($this->values);
}
}
$r = new Randomizer(new TestEngine());
$min = -1;
$max = 1;
printf("%.17g\n", $min);
printf("%.17g\n\n", $max);
$prev = null;
for ($i = 0; $i < 5; $i++) {
$float = $r->getFloat($min, $max);
printf("%.17f", $float);
if ($prev !== null) {
printf(" (%+.17g)", ($float - $prev));
}
printf("\n");
$prev = $float;
}
?>
--EXPECT--
-1
1
-0.78005908680576086
-0.78005908680576097 (-1.1102230246251565e-16)
-0.78005908680576108 (-1.1102230246251565e-16)
-0.78005908680576119 (-1.1102230246251565e-16)
-0.78005908680576130 (-1.1102230246251565e-16)
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