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| 1 // Copyright 2011 the V8 project authors. All rights reserved. | 1 // Copyright 2012 the V8 project authors. All rights reserved. |
| 2 // Redistribution and use in source and binary forms, with or without | 2 // Redistribution and use in source and binary forms, with or without |
| 3 // modification, are permitted provided that the following conditions are | 3 // modification, are permitted provided that the following conditions are |
| 4 // met: | 4 // met: |
| 5 // | 5 // |
| 6 // * Redistributions of source code must retain the above copyright | 6 // * Redistributions of source code must retain the above copyright |
| 7 // notice, this list of conditions and the following disclaimer. | 7 // notice, this list of conditions and the following disclaimer. |
| 8 // * Redistributions in binary form must reproduce the above | 8 // * Redistributions in binary form must reproduce the above |
| 9 // copyright notice, this list of conditions and the following | 9 // copyright notice, this list of conditions and the following |
| 10 // disclaimer in the documentation and/or other materials provided | 10 // disclaimer in the documentation and/or other materials provided |
| 11 // with the distribution. | 11 // with the distribution. |
| 12 // * Neither the name of Google Inc. nor the names of its | 12 // * Neither the name of Google Inc. nor the names of its |
| 13 // contributors may be used to endorse or promote products derived | 13 // contributors may be used to endorse or promote products derived |
| 14 // from this software without specific prior written permission. | 14 // from this software without specific prior written permission. |
| 15 // | 15 // |
| 16 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | 16 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| 17 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | 17 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| 18 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | 18 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| 19 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT | 19 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| 20 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | 20 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| 21 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT | 21 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| 22 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | 22 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| 23 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | 23 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| 24 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | 24 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| 25 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | 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. | 26 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 27 | 27 |
| 28 #include <math.h> | |
| 29 | |
| 30 #include "../include/v8stdint.h" | |
| 31 #include "checks.h" | |
| 32 #include "utils.h" | |
| 33 | |
| 34 #include "bignum-dtoa.h" | 28 #include "bignum-dtoa.h" |
| 35 | 29 |
| 30 #include <math.h> |
| 36 #include "bignum.h" | 31 #include "bignum.h" |
| 32 #include "checks.h" |
| 37 #include "double.h" | 33 #include "double.h" |
| 34 #include "globals.h" |
| 35 #include "utils.h" |
| 38 | 36 |
| 39 namespace v8 { | 37 namespace v8 { |
| 40 namespace internal { | 38 namespace internal { |
| 41 | 39 |
| 42 static int NormalizedExponent(uint64_t significand, int exponent) { | 40 static int NormalizedExponent(uint64_t significand, int exponent) { |
| 43 ASSERT(significand != 0); | 41 ASSERT(significand != 0); |
| 44 while ((significand & Double::kHiddenBit) == 0) { | 42 while ((significand & Double::kHiddenBit) == 0) { |
| 45 significand = significand << 1; | 43 significand = significand << 1; |
| 46 exponent = exponent - 1; | 44 exponent = exponent - 1; |
| 47 } | 45 } |
| (...skipping 601 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 649 delta_minus->Times10(); | 647 delta_minus->Times10(); |
| 650 delta_plus->AssignBignum(*delta_minus); | 648 delta_plus->AssignBignum(*delta_minus); |
| 651 } else { | 649 } else { |
| 652 delta_minus->Times10(); | 650 delta_minus->Times10(); |
| 653 delta_plus->Times10(); | 651 delta_plus->Times10(); |
| 654 } | 652 } |
| 655 } | 653 } |
| 656 } | 654 } |
| 657 | 655 |
| 658 } } // namespace v8::internal | 656 } } // namespace v8::internal |
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