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--TEST-- Check for double NaN, Inf, -Inf, 0, and -0 --FILE-- <?php function test($type, $variable, $check) { $serialized = msgpack_serialize($variable); $unserialized = msgpack_unserialize($serialized); echo $type, PHP_EOL; var_dump($variable); var_dump($unserialized); var_dump($check($unserialized)); echo PHP_EOL; } test('double NaN:', NAN, "is_nan"); test('double Inf:', INF, "is_infinite"); test('double -Inf:', -INF, "is_infinite"); test('double 0.0:', 0.0, function($z) { $h = bin2hex(pack("E", $z)); if ($h === "0000000000000000") { return true; } var_dump($h); } ); test('double -0.0:', -0.0, function($z) { $h = bin2hex(pack("E", $z)); if ($h === "8000000000000000") { return true; } var_dump($h); } ); --EXPECTF-- double NaN: float(NAN) float(NAN) bool(true) double Inf: float(INF) float(INF) bool(true) double -Inf: float(-INF) float(-INF) bool(true) double 0.0: float(0) float(0) bool(true) double -0.0: float(-0) float(-0) bool(true)
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