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Issue 8082022: Port change to avoid using <limits> to the 3.4 branch. (Closed) Base URL: http://v8.googlecode.com/svn/branches/3.4/
Patch Set: Created 9 years, 2 months ago
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1 // Copyright 2011 the V8 project authors. All rights reserved. 1 // Copyright 2011 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 <stdarg.h> 28 #include <stdarg.h>
29 #include <limits> 29 #include <math.h>
30 30
31 #ifndef V8_INFINITY 31 #include "platform.h"
32 #define V8_INFINITY std::numeric_limits<double>::infinity()
33 #endif
34
35 #include "utils.h" 32 #include "utils.h"
36
37 #include "strtod.h" 33 #include "strtod.h"
38 #include "bignum.h" 34 #include "bignum.h"
39 #include "cached-powers.h" 35 #include "cached-powers.h"
40 #include "double.h" 36 #include "double.h"
41 37
42 namespace v8 { 38 namespace v8 {
43 namespace internal { 39 namespace internal {
44 40
45 // 2^53 = 9007199254740992. 41 // 2^53 = 9007199254740992.
46 // Any integer with at most 15 decimal digits will hence fit into a double 42 // Any integer with at most 15 decimal digits will hence fit into a double
(...skipping 388 matching lines...) Expand 10 before | Expand all | Expand 10 after
435 431
436 double guess; 432 double guess;
437 if (DoubleStrtod(trimmed, exponent, &guess) || 433 if (DoubleStrtod(trimmed, exponent, &guess) ||
438 DiyFpStrtod(trimmed, exponent, &guess)) { 434 DiyFpStrtod(trimmed, exponent, &guess)) {
439 return guess; 435 return guess;
440 } 436 }
441 return BignumStrtod(trimmed, exponent, guess); 437 return BignumStrtod(trimmed, exponent, guess);
442 } 438 }
443 439
444 } } // namespace v8::internal 440 } } // namespace v8::internal
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