nodejs/deps/v8/test/mjsunit/value-helper.js

// Copyright 2024 the V8 project authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

const float32_array = [
  -2.70497e+38,
  -1.4698e+37,
  -1.22813e+35,
  -1.20555e+35,
  -1.34584e+34,
  -1.0079e+32,
  -6.49364e+26,
  -3.06077e+25,
  -1.46821e+25,
  -1.17658e+23,
  -1.9617e+22,
  -2.7357e+20,
  -9223372036854775808.0,  // INT64_MIN
  -1.48708e+13,
  -1.89633e+12,
  -4.66622e+11,
  -2.22581e+11,
  -1.45381e+10,
  -2147483904.0,  // First float32 after INT32_MIN
  -2147483648.0,  // INT32_MIN
  -2147483520.0,  // Last float32 before INT32_MIN
  -1.3956e+09,
  -1.32951e+09,
  -1.30721e+09,
  -1.19756e+09,
  -9.26822e+08,
  -6.35647e+08,
  -4.00037e+08,
  -1.81227e+08,
  -5.09256e+07,
  -964300.0,
  -192446.0,
  -28455.0,
  -27194.0,
  -26401.0,
  -20575.0,
  -17069.0,
  -9167.0,
  -960.178,
  -113.0,
  -62.0,
  -15.0,
  -7.0,
  -1.0,
  -0.0256635,
  -4.60374e-07,
  -3.63759e-10,
  -4.30175e-14,
  -5.27385e-15,
  -1.5707963267948966,
  -1.48084e-15,
  -2.220446049250313e-16,
  -1.05755e-19,
  -3.2995e-21,
  -1.67354e-23,
  -1.11885e-23,
  -1.78506e-30,
  -5.07594e-31,
  -3.65799e-31,
  -1.43718e-34,
  -1.27126e-38,
  -0.0,
  0.0,
  1.17549e-38,
  1.56657e-37,
  4.08512e-29,
  3.31357e-28,
  6.25073e-22,
  4.1723e-13,
  1.44343e-09,
  1.5707963267948966,
  5.27004e-08,
  9.48298e-08,
  5.57888e-07,
  4.89988e-05,
  0.244326,
  1.0,
  12.4895,
  19.0,
  47.0,
  106.0,
  538.324,
  564.536,
  819.124,
  7048.0,
  12611.0,
  19878.0,
  20309.0,
  797056.0,
  1.77219e+09,
  2147483648.0,  // INT32_MAX + 1
  2147483904.0,  // INT32_MAX + 1 and significand = 1.
  4294967296.0,  // UINT32_MAX + 1
  1.51116e+11,
  4.18193e+13,
  3.59167e+16,
  9223372036854775808.0,   // INT64_MAX + 1
  18446744073709551616.0,  // UINT64_MAX + 1
  3.38211e+19,
  2.67488e+20,
  1.78831e+21,
  9.20914e+21,
  8.35654e+23,
  1.4495e+24,
  5.94015e+25,
  4.43608e+30,
  2.44502e+33,
  2.61152e+33,
  1.38178e+37,
  1.71306e+37,
  3.31899e+38,
  3.40282e+38,
];

const float64_array = [
  -2e66,
  -2.220446049250313e-16,
  -9223373136366403584.0,
  -9223372036854775808.0,  // INT64_MIN
  -2147483649.5,
  -2147483648.25,
  -2147483648.0,
  -2147483647.875,
  -2147483647.125,
  -2147483647.0,
  -999.75,
  -2e66,
  -1.75,
  -1.5707963267948966,
  -1.0,
  -0.5,
  -0.0,
  0.0,
  3e-88,
  0.125,
  0.25,
  0.375,
  0.5,
  1.0,
  1.17549e-38,
  1.56657e-37,
  1.0000001,
  1.25,
  1.5707963267948966,
  2,
  3.1e7,
  5.125,
  6.25,
  888,
  982983.25,
  2147483647.0,
  2147483647.375,
  2147483647.75,
  2147483648.0,
  2147483648.25,
  2147483649.25,
  9223372036854775808.0,  // INT64_MAX + 1
  9223373136366403584.0,
  18446744073709551616.0,  // UINT64_MAX + 1
  2e66,
  Number.MAX_SAFE_INTEGER,
  Number.MIN_SAFE_INTEGER,
  Number.MAX_VALUE,
  Number.MIN_VALUE,
  Number.NaN,
  Number.NEGATIVE_INFINITY,
  Number.POSITIVE_INFINITY,
];

const int8_array = new Int8Array([
  0,
  1,
  2,
  127,
  126,
  64,
  63,
  16,
  15,
  14,
  -128,
  -127,
  -64,
  -63,
  -16,
  -15,
  -14,
  -2,
  -1
]);

const int16_array = new Int16Array([
  0,
  1,
  2,
  32767,
  32766,
  16384,
  16383,
  256,
  255,
  254,
  -32768,
  -32767,
  -16384,
  -16383,
  -256,
  -255,
  -254,
  -2,
  -1
]);

const int32_array = new Int32Array([
  0x00000000,
  0x00000001,
  0xFFFFFFFF,
  0x1B09788B,
  0x04C5FCE8,
  0xCC0DE5BF,
  0x00000002,
  0x00000003,
  0x00000004,
  0x00000005,
  0x00000008,
  0x00000009,
  0x273A798E,
  0x187937A3,
  0xECE3AF83,
  0x5495A16B,
  0x0B668ECC,
  0x11223344,
  0x0000009E,
  0x00000043,
  0x0000AF73,
  0x0000116B,
  0x00658ECC,
  0x002B3B4C,
  0x88776655,
  0x70000000,
  0x07200000,
  0x7FFFFFFF,
  0x56123761,
  0x7FFFFF00,
  0x761C4761,
  0x80000000,
  0x88888888,
  0xA0000000,
  0xDDDDDDDD,
  0xE0000000,
  0xEEEEEEEE,
  0xFFFFFFFD,
  0xF0000000,
  0x007FFFFF,
  0x003FFFFF,
  0x001FFFFF,
  0x000FFFFF,
  0x0007FFFF,
  0x0003FFFF,
  0x0001FFFF,
  0x0000FFFF,
  0x00007FFF,
  0x00003FFF,
  0x00001FFF,
  0x00000FFF,
  0x000007FF,
  0x000003FF,
  0x000001FF,
  // Bit pattern of a quiet NaN and signaling NaN, with or without
  // additional payload.
  0x7FC00000,
  0x7F800000,
  0x7FFFFFFF,
  0x7F876543
]);

const uint64_array = new BigUint64Array([
  "0x00000000",
  "0x00000001",
  "0xFFFFFFFF",
  "0x1B09788B",
  "0x04C5FCE8",
  "0xCC0DE5BF",
  "0x00000002",
  "0x00000003",
  "0x00000004",
  "0x00000005",
  "0x00000008",
  "0x00000009",
  "0xFFFFFFFFFFFFFFFF",
  "0xFFFFFFFFFFFFFFFE",
  "0xFFFFFFFFFFFFFFFD",
  "0x0000000000000000",
  "0x0000000100000000",
  "0xFFFFFFFF00000000",
  "0x1B09788B00000000",
  "0x04C5FCE800000000",
  "0xCC0DE5BF00000000",
  "0x0000000200000000",
  "0x0000000300000000",
  "0x0000000400000000",
  "0x0000000500000000",
  "0x0000000800000000",
  "0x0000000900000000",
  "0x273A798E187937A3",
  "0xECE3AF835495A16B",
  "0x0B668ECC11223344",
  "0x0000009E",
  "0x00000043",
  "0x0000AF73",
  "0x0000116B",
  "0x00658ECC",
  "0x002B3B4C",
  "0x88776655",
  "0x70000000",
  "0x07200000",
  "0x7FFFFFFF",
  "0x56123761",
  "0x7FFFFF00",
  "0x761C4761EEEEEEEE",
  "0x80000000EEEEEEEE",
  "0x88888888DDDDDDDD",
  "0xA0000000DDDDDDDD",
  "0xDDDDDDDDAAAAAAAA",
  "0xE0000000AAAAAAAA",
  "0xEEEEEEEEEEEEEEEE",
  "0xFFFFFFFDEEEEEEEE",
  "0xF0000000DDDDDDDD",
  "0x007FFFFFDDDDDDDD",
  "0x003FFFFFAAAAAAAA",
  "0x001FFFFFAAAAAAAA",
  "0x000FFFFF",
  "0x0007FFFF",
  "0x0003FFFF",
  "0x0001FFFF",
  "0x0000FFFF",
  "0x00007FFF",
  "0x00003FFF",
  "0x00001FFF",
  "0x00000FFF",
  "0x000007FF",
  "0x000003FF",
  "0x000001FF",
  "0x00003FFFFFFFFFFF",
  "0x00001FFFFFFFFFFF",
  "0x00000FFFFFFFFFFF",
  "0x000007FFFFFFFFFF",
  "0x000003FFFFFFFFFF",
  "0x000001FFFFFFFFFF",
  "0x8000008000000000",
  "0x8000008000000001",
  "0x8000000000000400",
  "0x8000000000000401",
  "0x0000000000000020",
  "0x8000000000000000",  // int64_t min
  "0x7FFFFFFFFFFFFFFF",  // int64_t max
  // Bit pattern of a quiet NaN and signaling NaN, with or without
  // additional payload.
  "0x7FF8000000000000",
  "0x7FF0000000000000",
  "0x7FF8123456789ABC",
  "0x7FF7654321FEDCBA"
]);