OLD | NEW |
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 |
(...skipping 54 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
65 if (x > INT_MAX) return INT_MAX; | 65 if (x > INT_MAX) return INT_MAX; |
66 return static_cast<int>(x); | 66 return static_cast<int>(x); |
67 } | 67 } |
68 | 68 |
69 | 69 |
70 // The fast double-to-(unsigned-)int conversion routine does not guarantee | 70 // The fast double-to-(unsigned-)int conversion routine does not guarantee |
71 // rounding towards zero. | 71 // rounding towards zero. |
72 // The result is unspecified if x is infinite or NaN, or if the rounded | 72 // The result is unspecified if x is infinite or NaN, or if the rounded |
73 // integer value is outside the range of type int. | 73 // integer value is outside the range of type int. |
74 inline int FastD2I(double x) { | 74 inline int FastD2I(double x) { |
75 return static_cast<int>(x); | 75 return static_cast<int32_t>(x); |
76 } | 76 } |
77 | 77 |
78 inline unsigned int FastD2UI(double x); | 78 inline unsigned int FastD2UI(double x); |
79 | 79 |
80 | 80 |
81 inline double FastI2D(int x) { | 81 inline double FastI2D(int x) { |
82 // There is no rounding involved in converting an integer to a | 82 // There is no rounding involved in converting an integer to a |
83 // double, so this code should compile to a few instructions without | 83 // double, so this code should compile to a few instructions without |
84 // any FPU pipeline stalls. | 84 // any FPU pipeline stalls. |
85 return static_cast<double>(x); | 85 return static_cast<double>(x); |
(...skipping 63 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
149 // Additional number to string conversions for the number type. | 149 // Additional number to string conversions for the number type. |
150 // The caller is responsible for calling free on the returned pointer. | 150 // The caller is responsible for calling free on the returned pointer. |
151 char* DoubleToFixedCString(double value, int f); | 151 char* DoubleToFixedCString(double value, int f); |
152 char* DoubleToExponentialCString(double value, int f); | 152 char* DoubleToExponentialCString(double value, int f); |
153 char* DoubleToPrecisionCString(double value, int f); | 153 char* DoubleToPrecisionCString(double value, int f); |
154 char* DoubleToRadixCString(double value, int radix); | 154 char* DoubleToRadixCString(double value, int radix); |
155 | 155 |
156 } } // namespace v8::internal | 156 } } // namespace v8::internal |
157 | 157 |
158 #endif // V8_CONVERSIONS_H_ | 158 #endif // V8_CONVERSIONS_H_ |
OLD | NEW |