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Make if look somewhat more like in C code and fix inverted 32 / 64 logic for $umax

master
Anton Smirnov 2022-07-31 09:48:37 +03:00
parent aa81e27fca
commit 8c93011b56
1 changed files with 9 additions and 3 deletions
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12
src/Randomizer.php
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@ -134,11 +134,17 @@ final class Randomizer implements Serializable
$umax = gmp_init($max) - gmp_init($min);
// not (algo->generate_size == 0 || algo->generate_size > sizeof(uint32_t))
$bit32 =
$this->engine instanceof Mt19937 ||
$umax > self::$UINT32_MAX;
$this->engine instanceof Mt19937;
return gmp_intval(($bit32 ? $this->range32($umax) : $this->range64($umax)) + $min);
if (!$bit32 || $umax > self::$UINT32_MAX) {
$rangeval = $this->range64($umax);
} else {
$rangeval = $this->range32($umax);
}
return gmp_intval($rangeval + $min);
}
private function range32(GMP $umax): GMP