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1 // Copyright 2006-2008 the V8 project authors. All rights reserved. | 1 // Copyright 2006-2008 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 |
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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 #ifndef V8_CONVERSIONS_H_ | 28 #ifndef V8_CONVERSIONS_H_ |
29 #define V8_CONVERSIONS_H_ | 29 #define V8_CONVERSIONS_H_ |
30 | 30 |
31 namespace v8 { namespace internal { | 31 namespace v8 { |
| 32 namespace internal { |
32 | 33 |
33 // The fast double-to-int conversion routine does not guarantee | 34 // The fast double-to-int conversion routine does not guarantee |
34 // rounding towards zero. | 35 // rounding towards zero. |
35 // The result is unspecified if x is infinite or NaN, or if the rounded | 36 // The result is unspecified if x is infinite or NaN, or if the rounded |
36 // integer value is outside the range of type int. | 37 // integer value is outside the range of type int. |
37 static inline int FastD2I(double x); | 38 static inline int FastD2I(double x); |
38 | 39 |
39 | 40 |
40 static inline double FastI2D(int x) { | 41 static inline double FastI2D(int x) { |
41 // There is no rounding involved in converting an integer to a | 42 // There is no rounding involved in converting an integer to a |
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107 // Additional number to string conversions for the number type. | 108 // Additional number to string conversions for the number type. |
108 // The caller is responsible for calling free on the returned pointer. | 109 // The caller is responsible for calling free on the returned pointer. |
109 char* DoubleToFixedCString(double value, int f); | 110 char* DoubleToFixedCString(double value, int f); |
110 char* DoubleToExponentialCString(double value, int f); | 111 char* DoubleToExponentialCString(double value, int f); |
111 char* DoubleToPrecisionCString(double value, int f); | 112 char* DoubleToPrecisionCString(double value, int f); |
112 char* DoubleToRadixCString(double value, int radix); | 113 char* DoubleToRadixCString(double value, int radix); |
113 | 114 |
114 } } // namespace v8::internal | 115 } } // namespace v8::internal |
115 | 116 |
116 #endif // V8_CONVERSIONS_H_ | 117 #endif // V8_CONVERSIONS_H_ |
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