diff options
Diffstat (limited to 'tests/src')
| -rw-r--r-- | tests/src/SpecTestsuites/SpecTestsuiteBase.php | 14 |
1 files changed, 13 insertions, 1 deletions
diff --git a/tests/src/SpecTestsuites/SpecTestsuiteBase.php b/tests/src/SpecTestsuites/SpecTestsuiteBase.php index 6d92ed8..41afbf8 100644 --- a/tests/src/SpecTestsuites/SpecTestsuiteBase.php +++ b/tests/src/SpecTestsuites/SpecTestsuiteBase.php @@ -258,7 +258,7 @@ abstract class SpecTestsuiteBase extends TestCase 'i64' => unpack('q', self::convertInt64ToBinary($value))[1], 'f32' => match ($value) { 'nan:canonical', 'nan:arithmetic' => $value, - default => unpack('g', pack('V', (int)$value))[1], + default => self::i32ToF32((int)$value), }, 'f64' => match ($value) { 'nan:canonical', 'nan:arithmetic' => $value, @@ -270,6 +270,18 @@ abstract class SpecTestsuiteBase extends TestCase }; } + private static function i32ToF32(int $x): float + { + if (($x & 0b01111111100000000000000000000000) === 0b01111111100000000000000000000000) { + $sign = ($x & 0b10000000000000000000000000000000) === 0 ? 1 : -1; + $payload = $x & 0b00000000011111111111111111111111; + $i = ($sign === 1 ? 0 : PHP_INT_MIN) | 0b0111111111110000000000000000000000000000000000000000000000000000 | ($payload << (52 - 23)); + return unpack('e', pack('q', $i))[1]; + } else { + return unpack('g', pack('V', $x))[1]; + } + } + private function doAction( array $action, ): array { |