diff options
Diffstat (limited to 'deps/v8/src/double.h')
| -rw-r--r-- | deps/v8/src/double.h | 24 |
1 files changed, 14 insertions, 10 deletions
diff --git a/deps/v8/src/double.h b/deps/v8/src/double.h index b0a2ecf05eb..65964045e2f 100644 --- a/deps/v8/src/double.h +++ b/deps/v8/src/double.h @@ -5,6 +5,7 @@ #ifndef V8_DOUBLE_H_ #define V8_DOUBLE_H_ +#include "src/base/macros.h" #include "src/diy-fp.h" namespace v8 { @@ -17,13 +18,16 @@ inline double uint64_to_double(uint64_t d64) { return bit_cast<double>(d64); } // Helper functions for doubles. class Double { public: - static const uint64_t kSignMask = V8_2PART_UINT64_C(0x80000000, 00000000); - static const uint64_t kExponentMask = V8_2PART_UINT64_C(0x7FF00000, 00000000); - static const uint64_t kSignificandMask = + static constexpr uint64_t kSignMask = V8_2PART_UINT64_C(0x80000000, 00000000); + static constexpr uint64_t kExponentMask = + V8_2PART_UINT64_C(0x7FF00000, 00000000); + static constexpr uint64_t kSignificandMask = V8_2PART_UINT64_C(0x000FFFFF, FFFFFFFF); - static const uint64_t kHiddenBit = V8_2PART_UINT64_C(0x00100000, 00000000); - static const int kPhysicalSignificandSize = 52; // Excludes the hidden bit. - static const int kSignificandSize = 53; + static constexpr uint64_t kHiddenBit = + V8_2PART_UINT64_C(0x00100000, 00000000); + static constexpr int kPhysicalSignificandSize = + 52; // Excludes the hidden bit. + static constexpr int kSignificandSize = 53; Double() : d64_(0) {} explicit Double(double d) : d64_(double_to_uint64(d)) {} @@ -169,10 +173,10 @@ class Double { } private: - static const int kExponentBias = 0x3FF + kPhysicalSignificandSize; - static const int kDenormalExponent = -kExponentBias + 1; - static const int kMaxExponent = 0x7FF - kExponentBias; - static const uint64_t kInfinity = V8_2PART_UINT64_C(0x7FF00000, 00000000); + static constexpr int kExponentBias = 0x3FF + kPhysicalSignificandSize; + static constexpr int kDenormalExponent = -kExponentBias + 1; + static constexpr int kMaxExponent = 0x7FF - kExponentBias; + static constexpr uint64_t kInfinity = V8_2PART_UINT64_C(0x7FF00000, 00000000); // The field d64_ is not marked as const to permit the usage of the copy // constructor. |