| // Copyright 2008 the V8 project authors. All rights reserved. |
| // Redistribution and use in source and binary forms, with or without |
| // modification, are permitted provided that the following conditions are |
| // met: |
| // |
| // * Redistributions of source code must retain the above copyright |
| // notice, this list of conditions and the following disclaimer. |
| // * Redistributions in binary form must reproduce the above |
| // copyright notice, this list of conditions and the following |
| // disclaimer in the documentation and/or other materials provided |
| // with the distribution. |
| // * Neither the name of Google Inc. nor the names of its |
| // contributors may be used to endorse or promote products derived |
| // from this software without specific prior written permission. |
| // |
| // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| |
| var x; |
| |
| // Converts a number to string respecting -0. |
| function stringify(n) { |
| if ((1 / n) === -Infinity) return "-0"; |
| return String(n); |
| } |
| |
| function f(expected, y) { |
| function testEval(string, x, y) { |
| var mulFunction = Function("x, y", "return " + string); |
| return mulFunction(x, y); |
| } |
| function mulTest(expected, x, y) { |
| assertEquals(expected, x * y); |
| assertEquals(expected, testEval(stringify(x) + " * y", x, y)); |
| assertEquals(expected, testEval("x * " + stringify(y), x, y)); |
| assertEquals(expected, testEval(stringify(x) + " * " + stringify(y), x, y)); |
| } |
| mulTest(expected, x, y); |
| mulTest(-expected, -x, y); |
| mulTest(-expected, x, -y); |
| mulTest(expected, -x, -y); |
| if (x === y) return; // Symmetric cases not necessary. |
| mulTest(expected, y, x); |
| mulTest(-expected, -y, x); |
| mulTest(-expected, y, -x); |
| mulTest(expected, -y, -x); |
| } |
| |
| x = 1024; |
| f(0, 0); |
| f(1024, 1); |
| f(2048, 2); |
| f(3072, 3); |
| f(4096, 4); |
| f(5120, 5); |
| f(7168, 7); |
| f(8192, 8); |
| f(9216, 9); |
| f(15360, 15); |
| f(16384, 16); |
| f(17408, 17); |
| f(31744, 31); |
| f(32768, 32); |
| f(33792, 33); |
| f(64512, 63); |
| f(65536, 64); |
| f(66560, 65); |
| f(130048, 127); |
| f(131072, 128); |
| f(132096, 129); |
| f(261120, 255); |
| f(262144, 256); |
| f(263168, 257); |
| f(523264, 511); |
| f(524288, 512); |
| f(525312, 513); |
| f(1047552, 1023); |
| f(1048576, 1024); |
| x = 1025; |
| f(0, 0); |
| f(1025, 1); |
| f(2050, 2); |
| f(3075, 3); |
| f(4100, 4); |
| f(5125, 5); |
| f(7175, 7); |
| f(8200, 8); |
| f(9225, 9); |
| f(15375, 15); |
| f(16400, 16); |
| f(17425, 17); |
| f(31775, 31); |
| f(32800, 32); |
| f(33825, 33); |
| f(64575, 63); |
| f(65600, 64); |
| f(66625, 65); |
| f(130175, 127); |
| f(131200, 128); |
| f(132225, 129); |
| f(261375, 255); |
| f(262400, 256); |
| f(263425, 257); |
| f(523775, 511); |
| f(524800, 512); |
| f(525825, 513); |
| f(1048575, 1023); |
| f(1049600, 1024); |
| f(1050625, 1025); |
| x = 2047; |
| f(0, 0); |
| f(2047, 1); |
| f(4094, 2); |
| f(6141, 3); |
| f(8188, 4); |
| f(10235, 5); |
| f(14329, 7); |
| f(16376, 8); |
| f(18423, 9); |
| f(30705, 15); |
| f(32752, 16); |
| f(34799, 17); |
| f(63457, 31); |
| f(65504, 32); |
| f(67551, 33); |
| f(128961, 63); |
| f(131008, 64); |
| f(133055, 65); |
| f(259969, 127); |
| f(262016, 128); |
| f(264063, 129); |
| f(521985, 255); |
| f(524032, 256); |
| f(526079, 257); |
| f(1046017, 511); |
| f(1048064, 512); |
| f(1050111, 513); |
| f(2094081, 1023); |
| f(2096128, 1024); |
| f(2098175, 1025); |
| f(4190209, 2047); |
| x = 2048; |
| f(0, 0); |
| f(2048, 1); |
| f(4096, 2); |
| f(6144, 3); |
| f(8192, 4); |
| f(10240, 5); |
| f(14336, 7); |
| f(16384, 8); |
| f(18432, 9); |
| f(30720, 15); |
| f(32768, 16); |
| f(34816, 17); |
| f(63488, 31); |
| f(65536, 32); |
| f(67584, 33); |
| f(129024, 63); |
| f(131072, 64); |
| f(133120, 65); |
| f(260096, 127); |
| f(262144, 128); |
| f(264192, 129); |
| f(522240, 255); |
| f(524288, 256); |
| f(526336, 257); |
| f(1046528, 511); |
| f(1048576, 512); |
| f(1050624, 513); |
| f(2095104, 1023); |
| f(2097152, 1024); |
| f(2099200, 1025); |
| f(4192256, 2047); |
| f(4194304, 2048); |
| x = 2049; |
| f(0, 0); |
| f(2049, 1); |
| f(4098, 2); |
| f(6147, 3); |
| f(8196, 4); |
| f(10245, 5); |
| f(14343, 7); |
| f(16392, 8); |
| f(18441, 9); |
| f(30735, 15); |
| f(32784, 16); |
| f(34833, 17); |
| f(63519, 31); |
| f(65568, 32); |
| f(67617, 33); |
| f(129087, 63); |
| f(131136, 64); |
| f(133185, 65); |
| f(260223, 127); |
| f(262272, 128); |
| f(264321, 129); |
| f(522495, 255); |
| f(524544, 256); |
| f(526593, 257); |
| f(1047039, 511); |
| f(1049088, 512); |
| f(1051137, 513); |
| f(2096127, 1023); |
| f(2098176, 1024); |
| f(2100225, 1025); |
| f(4194303, 2047); |
| f(4196352, 2048); |
| f(4198401, 2049); |
| x = 4095; |
| f(0, 0); |
| f(4095, 1); |
| f(8190, 2); |
| f(12285, 3); |
| f(16380, 4); |
| f(20475, 5); |
| f(28665, 7); |
| f(32760, 8); |
| f(36855, 9); |
| f(61425, 15); |
| f(65520, 16); |
| f(69615, 17); |
| f(126945, 31); |
| f(131040, 32); |
| f(135135, 33); |
| f(257985, 63); |
| f(262080, 64); |
| f(266175, 65); |
| f(520065, 127); |
| f(524160, 128); |
| f(528255, 129); |
| f(1044225, 255); |
| f(1048320, 256); |
| f(1052415, 257); |
| f(2092545, 511); |
| f(2096640, 512); |
| f(2100735, 513); |
| f(4189185, 1023); |
| f(4193280, 1024); |
| f(4197375, 1025); |
| f(8382465, 2047); |
| f(8386560, 2048); |
| f(8390655, 2049); |
| f(16769025, 4095); |
| x = 4096; |
| f(0, 0); |
| f(4096, 1); |
| f(8192, 2); |
| f(12288, 3); |
| f(16384, 4); |
| f(20480, 5); |
| f(28672, 7); |
| f(32768, 8); |
| f(36864, 9); |
| f(61440, 15); |
| f(65536, 16); |
| f(69632, 17); |
| f(126976, 31); |
| f(131072, 32); |
| f(135168, 33); |
| f(258048, 63); |
| f(262144, 64); |
| f(266240, 65); |
| f(520192, 127); |
| f(524288, 128); |
| f(528384, 129); |
| f(1044480, 255); |
| f(1048576, 256); |
| f(1052672, 257); |
| f(2093056, 511); |
| f(2097152, 512); |
| f(2101248, 513); |
| f(4190208, 1023); |
| f(4194304, 1024); |
| f(4198400, 1025); |
| f(8384512, 2047); |
| f(8388608, 2048); |
| f(8392704, 2049); |
| f(16773120, 4095); |
| f(16777216, 4096); |
| x = 4097; |
| f(0, 0); |
| f(4097, 1); |
| f(8194, 2); |
| f(12291, 3); |
| f(16388, 4); |
| f(20485, 5); |
| f(28679, 7); |
| f(32776, 8); |
| f(36873, 9); |
| f(61455, 15); |
| f(65552, 16); |
| f(69649, 17); |
| f(127007, 31); |
| f(131104, 32); |
| f(135201, 33); |
| f(258111, 63); |
| f(262208, 64); |
| f(266305, 65); |
| f(520319, 127); |
| f(524416, 128); |
| f(528513, 129); |
| f(1044735, 255); |
| f(1048832, 256); |
| f(1052929, 257); |
| f(2093567, 511); |
| f(2097664, 512); |
| f(2101761, 513); |
| f(4191231, 1023); |
| f(4195328, 1024); |
| f(4199425, 1025); |
| f(8386559, 2047); |
| f(8390656, 2048); |
| f(8394753, 2049); |
| f(16777215, 4095); |
| f(16781312, 4096); |
| f(16785409, 4097); |
| x = 8191; |
| f(0, 0); |
| f(8191, 1); |
| f(16382, 2); |
| f(24573, 3); |
| f(32764, 4); |
| f(40955, 5); |
| f(57337, 7); |
| f(65528, 8); |
| f(73719, 9); |
| f(122865, 15); |
| f(131056, 16); |
| f(139247, 17); |
| f(253921, 31); |
| f(262112, 32); |
| f(270303, 33); |
| f(516033, 63); |
| f(524224, 64); |
| f(532415, 65); |
| f(1040257, 127); |
| f(1048448, 128); |
| f(1056639, 129); |
| f(2088705, 255); |
| f(2096896, 256); |
| f(2105087, 257); |
| f(4185601, 511); |
| f(4193792, 512); |
| f(4201983, 513); |
| f(8379393, 1023); |
| f(8387584, 1024); |
| f(8395775, 1025); |
| f(16766977, 2047); |
| f(16775168, 2048); |
| f(16783359, 2049); |
| f(33542145, 4095); |
| f(33550336, 4096); |
| f(33558527, 4097); |
| f(67092481, 8191); |
| x = 8192; |
| f(0, 0); |
| f(8192, 1); |
| f(16384, 2); |
| f(24576, 3); |
| f(32768, 4); |
| f(40960, 5); |
| f(57344, 7); |
| f(65536, 8); |
| f(73728, 9); |
| f(122880, 15); |
| f(131072, 16); |
| f(139264, 17); |
| f(253952, 31); |
| f(262144, 32); |
| f(270336, 33); |
| f(516096, 63); |
| f(524288, 64); |
| f(532480, 65); |
| f(1040384, 127); |
| f(1048576, 128); |
| f(1056768, 129); |
| f(2088960, 255); |
| f(2097152, 256); |
| f(2105344, 257); |
| f(4186112, 511); |
| f(4194304, 512); |
| f(4202496, 513); |
| f(8380416, 1023); |
| f(8388608, 1024); |
| f(8396800, 1025); |
| f(16769024, 2047); |
| f(16777216, 2048); |
| f(16785408, 2049); |
| f(33546240, 4095); |
| f(33554432, 4096); |
| f(33562624, 4097); |
| f(67100672, 8191); |
| f(67108864, 8192); |
| x = 8193; |
| f(0, 0); |
| f(8193, 1); |
| f(16386, 2); |
| f(24579, 3); |
| f(32772, 4); |
| f(40965, 5); |
| f(57351, 7); |
| f(65544, 8); |
| f(73737, 9); |
| f(122895, 15); |
| f(131088, 16); |
| f(139281, 17); |
| f(253983, 31); |
| f(262176, 32); |
| f(270369, 33); |
| f(516159, 63); |
| f(524352, 64); |
| f(532545, 65); |
| f(1040511, 127); |
| f(1048704, 128); |
| f(1056897, 129); |
| f(2089215, 255); |
| f(2097408, 256); |
| f(2105601, 257); |
| f(4186623, 511); |
| f(4194816, 512); |
| f(4203009, 513); |
| f(8381439, 1023); |
| f(8389632, 1024); |
| f(8397825, 1025); |
| f(16771071, 2047); |
| f(16779264, 2048); |
| f(16787457, 2049); |
| f(33550335, 4095); |
| f(33558528, 4096); |
| f(33566721, 4097); |
| f(67108863, 8191); |
| f(67117056, 8192); |
| f(67125249, 8193); |
| x = 16383; |
| f(0, 0); |
| f(16383, 1); |
| f(32766, 2); |
| f(49149, 3); |
| f(65532, 4); |
| f(81915, 5); |
| f(114681, 7); |
| f(131064, 8); |
| f(147447, 9); |
| f(245745, 15); |
| f(262128, 16); |
| f(278511, 17); |
| f(507873, 31); |
| f(524256, 32); |
| f(540639, 33); |
| f(1032129, 63); |
| f(1048512, 64); |
| f(1064895, 65); |
| f(2080641, 127); |
| f(2097024, 128); |
| f(2113407, 129); |
| f(4177665, 255); |
| f(4194048, 256); |
| f(4210431, 257); |
| f(8371713, 511); |
| f(8388096, 512); |
| f(8404479, 513); |
| f(16759809, 1023); |
| f(16776192, 1024); |
| f(16792575, 1025); |
| f(33536001, 2047); |
| f(33552384, 2048); |
| f(33568767, 2049); |
| f(67088385, 4095); |
| f(67104768, 4096); |
| f(67121151, 4097); |
| f(134193153, 8191); |
| f(134209536, 8192); |
| f(134225919, 8193); |
| f(268402689, 16383); |
| x = 16384; |
| f(0, 0); |
| f(16384, 1); |
| f(32768, 2); |
| f(49152, 3); |
| f(65536, 4); |
| f(81920, 5); |
| f(114688, 7); |
| f(131072, 8); |
| f(147456, 9); |
| f(245760, 15); |
| f(262144, 16); |
| f(278528, 17); |
| f(507904, 31); |
| f(524288, 32); |
| f(540672, 33); |
| f(1032192, 63); |
| f(1048576, 64); |
| f(1064960, 65); |
| f(2080768, 127); |
| f(2097152, 128); |
| f(2113536, 129); |
| f(4177920, 255); |
| f(4194304, 256); |
| f(4210688, 257); |
| f(8372224, 511); |
| f(8388608, 512); |
| f(8404992, 513); |
| f(16760832, 1023); |
| f(16777216, 1024); |
| f(16793600, 1025); |
| f(33538048, 2047); |
| f(33554432, 2048); |
| f(33570816, 2049); |
| f(67092480, 4095); |
| f(67108864, 4096); |
| f(67125248, 4097); |
| f(134201344, 8191); |
| f(134217728, 8192); |
| f(134234112, 8193); |
| f(268419072, 16383); |
| f(268435456, 16384); |