rossberg@chromium.org | fab1498 | 2012-01-05 15:02:15 +0000 | [diff] [blame] | 1 | // Copyright 2012 the V8 project authors. All rights reserved. |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 2 | // Redistribution and use in source and binary forms, with or without |
| 3 | // modification, are permitted provided that the following conditions are |
| 4 | // met: |
| 5 | // |
| 6 | // * Redistributions of source code must retain the above copyright |
| 7 | // notice, this list of conditions and the following disclaimer. |
| 8 | // * Redistributions in binary form must reproduce the above |
| 9 | // copyright notice, this list of conditions and the following |
| 10 | // disclaimer in the documentation and/or other materials provided |
| 11 | // with the distribution. |
| 12 | // * Neither the name of Google Inc. nor the names of its |
| 13 | // contributors may be used to endorse or promote products derived |
| 14 | // from this software without specific prior written permission. |
| 15 | // |
| 16 | // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| 17 | // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| 18 | // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| 19 | // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| 20 | // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| 21 | // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| 22 | // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| 23 | // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| 24 | // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| 25 | // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| 26 | // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 27 | |
mstarzinger@chromium.org | e27d617 | 2013-04-17 11:51:44 +0000 | [diff] [blame] | 28 | // This file relies on the fact that the following declarations have been made |
| 29 | // in runtime.js: |
| 30 | // var $Object = global.Object; |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 31 | |
| 32 | // Keep reference to original values of some global properties. This |
| 33 | // has the added benefit that the code in this file is isolated from |
| 34 | // changes to these properties. |
jkummerow@chromium.org | f7a5884 | 2012-02-21 10:08:21 +0000 | [diff] [blame] | 35 | var $floor = MathFloor; |
jkummerow@chromium.org | f7a5884 | 2012-02-21 10:08:21 +0000 | [diff] [blame] | 36 | var $abs = MathAbs; |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 37 | |
| 38 | // Instance class name can only be set on functions. That is the only |
| 39 | // purpose for MathConstructor. |
kasperl@chromium.org | 41044eb | 2008-10-06 08:24:46 +0000 | [diff] [blame] | 40 | function MathConstructor() {} |
jkummerow@chromium.org | f7a5884 | 2012-02-21 10:08:21 +0000 | [diff] [blame] | 41 | var $Math = new MathConstructor(); |
mstarzinger@chromium.org | e27d617 | 2013-04-17 11:51:44 +0000 | [diff] [blame] | 42 | |
| 43 | // ------------------------------------------------------------------- |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 44 | |
kasperl@chromium.org | 41044eb | 2008-10-06 08:24:46 +0000 | [diff] [blame] | 45 | // ECMA 262 - 15.8.2.1 |
| 46 | function MathAbs(x) { |
ager@chromium.org | eadaf22 | 2009-06-16 09:43:10 +0000 | [diff] [blame] | 47 | if (%_IsSmi(x)) return x >= 0 ? x : -x; |
kmillikin@chromium.org | d2c22f0 | 2011-01-10 08:15:37 +0000 | [diff] [blame] | 48 | if (!IS_NUMBER(x)) x = NonNumberToNumber(x); |
vegorov@chromium.org | f837290 | 2010-03-15 10:26:20 +0000 | [diff] [blame] | 49 | if (x === 0) return 0; // To handle -0. |
| 50 | return x > 0 ? x : -x; |
mads.s.ager@gmail.com | 769cc96 | 2008-08-06 10:02:49 +0000 | [diff] [blame] | 51 | } |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 52 | |
kasperl@chromium.org | 41044eb | 2008-10-06 08:24:46 +0000 | [diff] [blame] | 53 | // ECMA 262 - 15.8.2.2 |
ager@chromium.org | eadaf22 | 2009-06-16 09:43:10 +0000 | [diff] [blame] | 54 | function MathAcos(x) { |
kmillikin@chromium.org | d2c22f0 | 2011-01-10 08:15:37 +0000 | [diff] [blame] | 55 | if (!IS_NUMBER(x)) x = NonNumberToNumber(x); |
ager@chromium.org | eadaf22 | 2009-06-16 09:43:10 +0000 | [diff] [blame] | 56 | return %Math_acos(x); |
| 57 | } |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 58 | |
kasperl@chromium.org | 41044eb | 2008-10-06 08:24:46 +0000 | [diff] [blame] | 59 | // ECMA 262 - 15.8.2.3 |
ager@chromium.org | eadaf22 | 2009-06-16 09:43:10 +0000 | [diff] [blame] | 60 | function MathAsin(x) { |
kmillikin@chromium.org | d2c22f0 | 2011-01-10 08:15:37 +0000 | [diff] [blame] | 61 | if (!IS_NUMBER(x)) x = NonNumberToNumber(x); |
ager@chromium.org | eadaf22 | 2009-06-16 09:43:10 +0000 | [diff] [blame] | 62 | return %Math_asin(x); |
| 63 | } |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 64 | |
kasperl@chromium.org | 41044eb | 2008-10-06 08:24:46 +0000 | [diff] [blame] | 65 | // ECMA 262 - 15.8.2.4 |
ager@chromium.org | eadaf22 | 2009-06-16 09:43:10 +0000 | [diff] [blame] | 66 | function MathAtan(x) { |
kmillikin@chromium.org | d2c22f0 | 2011-01-10 08:15:37 +0000 | [diff] [blame] | 67 | if (!IS_NUMBER(x)) x = NonNumberToNumber(x); |
ager@chromium.org | eadaf22 | 2009-06-16 09:43:10 +0000 | [diff] [blame] | 68 | return %Math_atan(x); |
| 69 | } |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 70 | |
kasperl@chromium.org | 41044eb | 2008-10-06 08:24:46 +0000 | [diff] [blame] | 71 | // ECMA 262 - 15.8.2.5 |
kasperl@chromium.org | 68ac009 | 2009-07-09 06:00:35 +0000 | [diff] [blame] | 72 | // The naming of y and x matches the spec, as does the order in which |
| 73 | // ToNumber (valueOf) is called. |
| 74 | function MathAtan2(y, x) { |
kmillikin@chromium.org | d2c22f0 | 2011-01-10 08:15:37 +0000 | [diff] [blame] | 75 | if (!IS_NUMBER(y)) y = NonNumberToNumber(y); |
| 76 | if (!IS_NUMBER(x)) x = NonNumberToNumber(x); |
kasperl@chromium.org | 68ac009 | 2009-07-09 06:00:35 +0000 | [diff] [blame] | 77 | return %Math_atan2(y, x); |
ager@chromium.org | eadaf22 | 2009-06-16 09:43:10 +0000 | [diff] [blame] | 78 | } |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 79 | |
kasperl@chromium.org | 41044eb | 2008-10-06 08:24:46 +0000 | [diff] [blame] | 80 | // ECMA 262 - 15.8.2.6 |
ager@chromium.org | eadaf22 | 2009-06-16 09:43:10 +0000 | [diff] [blame] | 81 | function MathCeil(x) { |
kmillikin@chromium.org | d2c22f0 | 2011-01-10 08:15:37 +0000 | [diff] [blame] | 82 | if (!IS_NUMBER(x)) x = NonNumberToNumber(x); |
ager@chromium.org | eadaf22 | 2009-06-16 09:43:10 +0000 | [diff] [blame] | 83 | return %Math_ceil(x); |
| 84 | } |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 85 | |
kasperl@chromium.org | 41044eb | 2008-10-06 08:24:46 +0000 | [diff] [blame] | 86 | // ECMA 262 - 15.8.2.7 |
ager@chromium.org | eadaf22 | 2009-06-16 09:43:10 +0000 | [diff] [blame] | 87 | function MathCos(x) { |
kmillikin@chromium.org | d2c22f0 | 2011-01-10 08:15:37 +0000 | [diff] [blame] | 88 | if (!IS_NUMBER(x)) x = NonNumberToNumber(x); |
vegorov@chromium.org | f837290 | 2010-03-15 10:26:20 +0000 | [diff] [blame] | 89 | return %_MathCos(x); |
ager@chromium.org | eadaf22 | 2009-06-16 09:43:10 +0000 | [diff] [blame] | 90 | } |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 91 | |
kasperl@chromium.org | 41044eb | 2008-10-06 08:24:46 +0000 | [diff] [blame] | 92 | // ECMA 262 - 15.8.2.8 |
ager@chromium.org | eadaf22 | 2009-06-16 09:43:10 +0000 | [diff] [blame] | 93 | function MathExp(x) { |
kmillikin@chromium.org | d2c22f0 | 2011-01-10 08:15:37 +0000 | [diff] [blame] | 94 | if (!IS_NUMBER(x)) x = NonNumberToNumber(x); |
ager@chromium.org | eadaf22 | 2009-06-16 09:43:10 +0000 | [diff] [blame] | 95 | return %Math_exp(x); |
| 96 | } |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 97 | |
kasperl@chromium.org | 41044eb | 2008-10-06 08:24:46 +0000 | [diff] [blame] | 98 | // ECMA 262 - 15.8.2.9 |
ager@chromium.org | eadaf22 | 2009-06-16 09:43:10 +0000 | [diff] [blame] | 99 | function MathFloor(x) { |
kmillikin@chromium.org | d2c22f0 | 2011-01-10 08:15:37 +0000 | [diff] [blame] | 100 | if (!IS_NUMBER(x)) x = NonNumberToNumber(x); |
kasperl@chromium.org | 86f77b7 | 2009-07-06 08:21:57 +0000 | [diff] [blame] | 101 | // It's more common to call this with a positive number that's out |
| 102 | // of range than negative numbers; check the upper bound first. |
fschneider@chromium.org | 0c20e67 | 2010-01-14 15:28:53 +0000 | [diff] [blame] | 103 | if (x < 0x80000000 && x > 0) { |
ager@chromium.org | eadaf22 | 2009-06-16 09:43:10 +0000 | [diff] [blame] | 104 | // Numbers in the range [0, 2^31) can be floored by converting |
| 105 | // them to an unsigned 32-bit value using the shift operator. |
| 106 | // We avoid doing so for -0, because the result of Math.floor(-0) |
| 107 | // has to be -0, which wouldn't be the case with the shift. |
fschneider@chromium.org | 0c20e67 | 2010-01-14 15:28:53 +0000 | [diff] [blame] | 108 | return TO_UINT32(x); |
ager@chromium.org | eadaf22 | 2009-06-16 09:43:10 +0000 | [diff] [blame] | 109 | } else { |
| 110 | return %Math_floor(x); |
| 111 | } |
| 112 | } |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 113 | |
kasperl@chromium.org | 41044eb | 2008-10-06 08:24:46 +0000 | [diff] [blame] | 114 | // ECMA 262 - 15.8.2.10 |
ager@chromium.org | eadaf22 | 2009-06-16 09:43:10 +0000 | [diff] [blame] | 115 | function MathLog(x) { |
kmillikin@chromium.org | d2c22f0 | 2011-01-10 08:15:37 +0000 | [diff] [blame] | 116 | if (!IS_NUMBER(x)) x = NonNumberToNumber(x); |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 117 | return %_MathLog(x); |
ager@chromium.org | eadaf22 | 2009-06-16 09:43:10 +0000 | [diff] [blame] | 118 | } |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 119 | |
kasperl@chromium.org | 41044eb | 2008-10-06 08:24:46 +0000 | [diff] [blame] | 120 | // ECMA 262 - 15.8.2.11 |
| 121 | function MathMax(arg1, arg2) { // length == 2 |
kasperl@chromium.org | 68ac009 | 2009-07-09 06:00:35 +0000 | [diff] [blame] | 122 | var length = %_ArgumentsLength(); |
rossberg@chromium.org | fab1498 | 2012-01-05 15:02:15 +0000 | [diff] [blame] | 123 | if (length == 2) { |
| 124 | if (!IS_NUMBER(arg1)) arg1 = NonNumberToNumber(arg1); |
| 125 | if (!IS_NUMBER(arg2)) arg2 = NonNumberToNumber(arg2); |
| 126 | if (arg2 > arg1) return arg2; |
| 127 | if (arg1 > arg2) return arg1; |
| 128 | if (arg1 == arg2) { |
| 129 | // Make sure -0 is considered less than +0. -0 is never a Smi, +0 can be |
| 130 | // a Smi or a heap number. |
| 131 | return (arg1 == 0 && !%_IsSmi(arg1) && 1 / arg1 < 0) ? arg2 : arg1; |
| 132 | } |
| 133 | // All comparisons failed, one of the arguments must be NaN. |
| 134 | return 0/0; // Compiler constant-folds this to NaN. |
| 135 | } |
mstarzinger@chromium.org | 32280cf | 2012-12-06 17:32:37 +0000 | [diff] [blame] | 136 | var r = -1/0; // Compiler constant-folds this to -Infinity. |
| 137 | for (var i = 0; i < length; i++) { |
kmillikin@chromium.org | 13bd294 | 2009-12-16 15:36:05 +0000 | [diff] [blame] | 138 | var n = %_Arguments(i); |
kmillikin@chromium.org | d2c22f0 | 2011-01-10 08:15:37 +0000 | [diff] [blame] | 139 | if (!IS_NUMBER(n)) n = NonNumberToNumber(n); |
kmillikin@chromium.org | 13bd294 | 2009-12-16 15:36:05 +0000 | [diff] [blame] | 140 | // Make sure +0 is considered greater than -0. -0 is never a Smi, +0 can be |
| 141 | // a Smi or heap number. |
mstarzinger@chromium.org | 32280cf | 2012-12-06 17:32:37 +0000 | [diff] [blame] | 142 | if (NUMBER_IS_NAN(n) || n > r || |
| 143 | (r == 0 && n == 0 && !%_IsSmi(r) && 1 / r < 0)) { |
| 144 | r = n; |
| 145 | } |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 146 | } |
| 147 | return r; |
| 148 | } |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 149 | |
kasperl@chromium.org | 41044eb | 2008-10-06 08:24:46 +0000 | [diff] [blame] | 150 | // ECMA 262 - 15.8.2.12 |
| 151 | function MathMin(arg1, arg2) { // length == 2 |
kasperl@chromium.org | 68ac009 | 2009-07-09 06:00:35 +0000 | [diff] [blame] | 152 | var length = %_ArgumentsLength(); |
rossberg@chromium.org | fab1498 | 2012-01-05 15:02:15 +0000 | [diff] [blame] | 153 | if (length == 2) { |
| 154 | if (!IS_NUMBER(arg1)) arg1 = NonNumberToNumber(arg1); |
| 155 | if (!IS_NUMBER(arg2)) arg2 = NonNumberToNumber(arg2); |
| 156 | if (arg2 > arg1) return arg1; |
| 157 | if (arg1 > arg2) return arg2; |
| 158 | if (arg1 == arg2) { |
| 159 | // Make sure -0 is considered less than +0. -0 is never a Smi, +0 can be |
| 160 | // a Smi or a heap number. |
| 161 | return (arg1 == 0 && !%_IsSmi(arg1) && 1 / arg1 < 0) ? arg1 : arg2; |
| 162 | } |
| 163 | // All comparisons failed, one of the arguments must be NaN. |
| 164 | return 0/0; // Compiler constant-folds this to NaN. |
| 165 | } |
mstarzinger@chromium.org | 32280cf | 2012-12-06 17:32:37 +0000 | [diff] [blame] | 166 | var r = 1/0; // Compiler constant-folds this to Infinity. |
| 167 | for (var i = 0; i < length; i++) { |
kmillikin@chromium.org | 13bd294 | 2009-12-16 15:36:05 +0000 | [diff] [blame] | 168 | var n = %_Arguments(i); |
kmillikin@chromium.org | d2c22f0 | 2011-01-10 08:15:37 +0000 | [diff] [blame] | 169 | if (!IS_NUMBER(n)) n = NonNumberToNumber(n); |
rossberg@chromium.org | fab1498 | 2012-01-05 15:02:15 +0000 | [diff] [blame] | 170 | // Make sure -0 is considered less than +0. -0 is never a Smi, +0 can be a |
kmillikin@chromium.org | 13bd294 | 2009-12-16 15:36:05 +0000 | [diff] [blame] | 171 | // Smi or a heap number. |
mstarzinger@chromium.org | 32280cf | 2012-12-06 17:32:37 +0000 | [diff] [blame] | 172 | if (NUMBER_IS_NAN(n) || n < r || |
| 173 | (r == 0 && n == 0 && !%_IsSmi(n) && 1 / n < 0)) { |
| 174 | r = n; |
| 175 | } |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 176 | } |
| 177 | return r; |
| 178 | } |
kasperl@chromium.org | 41044eb | 2008-10-06 08:24:46 +0000 | [diff] [blame] | 179 | |
| 180 | // ECMA 262 - 15.8.2.13 |
ager@chromium.org | eadaf22 | 2009-06-16 09:43:10 +0000 | [diff] [blame] | 181 | function MathPow(x, y) { |
kmillikin@chromium.org | d2c22f0 | 2011-01-10 08:15:37 +0000 | [diff] [blame] | 182 | if (!IS_NUMBER(x)) x = NonNumberToNumber(x); |
| 183 | if (!IS_NUMBER(y)) y = NonNumberToNumber(y); |
vegorov@chromium.org | f837290 | 2010-03-15 10:26:20 +0000 | [diff] [blame] | 184 | return %_MathPow(x, y); |
ager@chromium.org | eadaf22 | 2009-06-16 09:43:10 +0000 | [diff] [blame] | 185 | } |
kasperl@chromium.org | 41044eb | 2008-10-06 08:24:46 +0000 | [diff] [blame] | 186 | |
| 187 | // ECMA 262 - 15.8.2.14 |
ager@chromium.org | eadaf22 | 2009-06-16 09:43:10 +0000 | [diff] [blame] | 188 | function MathRandom() { |
ager@chromium.org | 357bf65 | 2010-04-12 11:30:10 +0000 | [diff] [blame] | 189 | return %_RandomHeapNumber(); |
ager@chromium.org | eadaf22 | 2009-06-16 09:43:10 +0000 | [diff] [blame] | 190 | } |
kasperl@chromium.org | 41044eb | 2008-10-06 08:24:46 +0000 | [diff] [blame] | 191 | |
| 192 | // ECMA 262 - 15.8.2.15 |
ager@chromium.org | eadaf22 | 2009-06-16 09:43:10 +0000 | [diff] [blame] | 193 | function MathRound(x) { |
kmillikin@chromium.org | d2c22f0 | 2011-01-10 08:15:37 +0000 | [diff] [blame] | 194 | if (!IS_NUMBER(x)) x = NonNumberToNumber(x); |
whesse@chromium.org | cec079d | 2010-03-22 14:44:04 +0000 | [diff] [blame] | 195 | return %RoundNumber(x); |
ager@chromium.org | eadaf22 | 2009-06-16 09:43:10 +0000 | [diff] [blame] | 196 | } |
kasperl@chromium.org | 41044eb | 2008-10-06 08:24:46 +0000 | [diff] [blame] | 197 | |
| 198 | // ECMA 262 - 15.8.2.16 |
ager@chromium.org | eadaf22 | 2009-06-16 09:43:10 +0000 | [diff] [blame] | 199 | function MathSin(x) { |
kmillikin@chromium.org | d2c22f0 | 2011-01-10 08:15:37 +0000 | [diff] [blame] | 200 | if (!IS_NUMBER(x)) x = NonNumberToNumber(x); |
vegorov@chromium.org | f837290 | 2010-03-15 10:26:20 +0000 | [diff] [blame] | 201 | return %_MathSin(x); |
ager@chromium.org | eadaf22 | 2009-06-16 09:43:10 +0000 | [diff] [blame] | 202 | } |
kasperl@chromium.org | 41044eb | 2008-10-06 08:24:46 +0000 | [diff] [blame] | 203 | |
| 204 | // ECMA 262 - 15.8.2.17 |
ager@chromium.org | eadaf22 | 2009-06-16 09:43:10 +0000 | [diff] [blame] | 205 | function MathSqrt(x) { |
kmillikin@chromium.org | d2c22f0 | 2011-01-10 08:15:37 +0000 | [diff] [blame] | 206 | if (!IS_NUMBER(x)) x = NonNumberToNumber(x); |
vegorov@chromium.org | f837290 | 2010-03-15 10:26:20 +0000 | [diff] [blame] | 207 | return %_MathSqrt(x); |
ager@chromium.org | eadaf22 | 2009-06-16 09:43:10 +0000 | [diff] [blame] | 208 | } |
kasperl@chromium.org | 41044eb | 2008-10-06 08:24:46 +0000 | [diff] [blame] | 209 | |
| 210 | // ECMA 262 - 15.8.2.18 |
ager@chromium.org | eadaf22 | 2009-06-16 09:43:10 +0000 | [diff] [blame] | 211 | function MathTan(x) { |
kmillikin@chromium.org | d2c22f0 | 2011-01-10 08:15:37 +0000 | [diff] [blame] | 212 | if (!IS_NUMBER(x)) x = NonNumberToNumber(x); |
mstarzinger@chromium.org | 1b3afd1 | 2011-11-29 14:28:56 +0000 | [diff] [blame] | 213 | return %_MathTan(x); |
ager@chromium.org | eadaf22 | 2009-06-16 09:43:10 +0000 | [diff] [blame] | 214 | } |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 215 | |
danno@chromium.org | ca29dd8 | 2013-04-26 11:59:48 +0000 | [diff] [blame] | 216 | // Non-standard extension. |
| 217 | function MathImul(x, y) { |
| 218 | if (!IS_NUMBER(x)) x = NonNumberToNumber(x); |
| 219 | if (!IS_NUMBER(y)) y = NonNumberToNumber(y); |
| 220 | return %NumberImul(x, y); |
| 221 | } |
| 222 | |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 223 | |
kasperl@chromium.org | 41044eb | 2008-10-06 08:24:46 +0000 | [diff] [blame] | 224 | // ------------------------------------------------------------------- |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 225 | |
fschneider@chromium.org | 1805e21 | 2011-09-05 10:49:12 +0000 | [diff] [blame] | 226 | function SetUpMath() { |
| 227 | %CheckIsBootstrapping(); |
mstarzinger@chromium.org | e27d617 | 2013-04-17 11:51:44 +0000 | [diff] [blame] | 228 | |
| 229 | %SetPrototype($Math, $Object.prototype); |
| 230 | %SetProperty(global, "Math", $Math, DONT_ENUM); |
| 231 | %FunctionSetInstanceClassName(MathConstructor, 'Math'); |
| 232 | |
fschneider@chromium.org | 1805e21 | 2011-09-05 10:49:12 +0000 | [diff] [blame] | 233 | // Set up math constants. |
kasperl@chromium.org | 41044eb | 2008-10-06 08:24:46 +0000 | [diff] [blame] | 234 | // ECMA-262, section 15.8.1.1. |
sgjesse@chromium.org | 911335c | 2009-08-19 12:59:44 +0000 | [diff] [blame] | 235 | %OptimizeObjectForAddingMultipleProperties($Math, 8); |
kasperl@chromium.org | 41044eb | 2008-10-06 08:24:46 +0000 | [diff] [blame] | 236 | %SetProperty($Math, |
| 237 | "E", |
| 238 | 2.7182818284590452354, |
| 239 | DONT_ENUM | DONT_DELETE | READ_ONLY); |
| 240 | // ECMA-262, section 15.8.1.2. |
| 241 | %SetProperty($Math, |
| 242 | "LN10", |
| 243 | 2.302585092994046, |
| 244 | DONT_ENUM | DONT_DELETE | READ_ONLY); |
| 245 | // ECMA-262, section 15.8.1.3. |
| 246 | %SetProperty($Math, |
| 247 | "LN2", |
| 248 | 0.6931471805599453, |
| 249 | DONT_ENUM | DONT_DELETE | READ_ONLY); |
| 250 | // ECMA-262, section 15.8.1.4. |
| 251 | %SetProperty($Math, |
| 252 | "LOG2E", |
| 253 | 1.4426950408889634, |
| 254 | DONT_ENUM | DONT_DELETE | READ_ONLY); |
| 255 | %SetProperty($Math, |
| 256 | "LOG10E", |
sgjesse@chromium.org | 496c03a | 2011-02-14 12:05:43 +0000 | [diff] [blame] | 257 | 0.4342944819032518, |
kasperl@chromium.org | 41044eb | 2008-10-06 08:24:46 +0000 | [diff] [blame] | 258 | DONT_ENUM | DONT_DELETE | READ_ONLY); |
| 259 | %SetProperty($Math, |
| 260 | "PI", |
| 261 | 3.1415926535897932, |
| 262 | DONT_ENUM | DONT_DELETE | READ_ONLY); |
| 263 | %SetProperty($Math, |
| 264 | "SQRT1_2", |
| 265 | 0.7071067811865476, |
| 266 | DONT_ENUM | DONT_DELETE | READ_ONLY); |
| 267 | %SetProperty($Math, |
| 268 | "SQRT2", |
| 269 | 1.4142135623730951, |
| 270 | DONT_ENUM | DONT_DELETE | READ_ONLY); |
ager@chromium.org | 5c83825 | 2010-02-19 08:53:10 +0000 | [diff] [blame] | 271 | %ToFastProperties($Math); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 272 | |
fschneider@chromium.org | 1805e21 | 2011-09-05 10:49:12 +0000 | [diff] [blame] | 273 | // Set up non-enumerable functions of the Math object and |
kasperl@chromium.org | 41044eb | 2008-10-06 08:24:46 +0000 | [diff] [blame] | 274 | // set their names. |
ricow@chromium.org | 27bf288 | 2011-11-17 08:34:43 +0000 | [diff] [blame] | 275 | InstallFunctions($Math, DONT_ENUM, $Array( |
kasperl@chromium.org | 41044eb | 2008-10-06 08:24:46 +0000 | [diff] [blame] | 276 | "random", MathRandom, |
| 277 | "abs", MathAbs, |
| 278 | "acos", MathAcos, |
| 279 | "asin", MathAsin, |
| 280 | "atan", MathAtan, |
| 281 | "ceil", MathCeil, |
| 282 | "cos", MathCos, |
| 283 | "exp", MathExp, |
| 284 | "floor", MathFloor, |
| 285 | "log", MathLog, |
| 286 | "round", MathRound, |
| 287 | "sin", MathSin, |
| 288 | "sqrt", MathSqrt, |
| 289 | "tan", MathTan, |
| 290 | "atan2", MathAtan2, |
| 291 | "pow", MathPow, |
| 292 | "max", MathMax, |
danno@chromium.org | ca29dd8 | 2013-04-26 11:59:48 +0000 | [diff] [blame] | 293 | "min", MathMin, |
| 294 | "imul", MathImul |
kasperl@chromium.org | 41044eb | 2008-10-06 08:24:46 +0000 | [diff] [blame] | 295 | )); |
fschneider@chromium.org | 1805e21 | 2011-09-05 10:49:12 +0000 | [diff] [blame] | 296 | } |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 297 | |
fschneider@chromium.org | 1805e21 | 2011-09-05 10:49:12 +0000 | [diff] [blame] | 298 | SetUpMath(); |