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author | isaacs <i@izs.me> | 2012-09-18 15:20:38 -0700 |
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committer | Bert Belder <bertbelder@gmail.com> | 2012-09-21 01:52:24 +0200 |
commit | 3411a03dd114d635800cc50749d2351cd734eb2a (patch) | |
tree | 0ba1e52ab2236286894b33400302181ece91b63a /deps/v8/src/conversions.h | |
parent | cc1b09d6b7c3cc6b8729804cbf644634ba5d0815 (diff) | |
download | node-new-3411a03dd114d635800cc50749d2351cd734eb2a.tar.gz |
V8: Upgrade to 3.13.7.1
Diffstat (limited to 'deps/v8/src/conversions.h')
-rw-r--r-- | deps/v8/src/conversions.h | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/deps/v8/src/conversions.h b/deps/v8/src/conversions.h index 70559c9e9d..1fbb5f1182 100644 --- a/deps/v8/src/conversions.h +++ b/deps/v8/src/conversions.h @@ -52,8 +52,13 @@ inline bool isDigit(int x, int radix) { } -inline double SignedZero(bool negative) { - return negative ? -0.0 : 0.0; +// The fast double-to-(unsigned-)int conversion routine does not guarantee +// rounding towards zero. +// For NaN and values outside the int range, return INT_MIN or INT_MAX. +inline int FastD2IChecked(double x) { + if (!(x >= INT_MIN)) return INT_MIN; // Negation to catch NaNs. + if (x > INT_MAX) return INT_MAX; + return static_cast<int>(x); } @@ -62,8 +67,6 @@ inline double SignedZero(bool negative) { // The result is unspecified if x is infinite or NaN, or if the rounded // integer value is outside the range of type int. inline int FastD2I(double x) { - // The static_cast convertion from double to int used to be slow, but - // as new benchmarks show, now it is much faster than lrint(). return static_cast<int>(x); } |