Revision: 9544
Author: [email protected]
Date: Fri Oct 7 01:21:21 2011
Log: Change cached powers of 10 to avoid constants that need a static
initializer to be called on process startup instead of being in
the read-only section.
Review URL: http://codereview.chromium.org/8177018
http://code.google.com/p/v8/source/detail?r=9544
Modified:
/branches/bleeding_edge/src/cached-powers.cc
=======================================
--- /branches/bleeding_edge/src/cached-powers.cc Tue Jul 5 04:54:11 2011
+++ /branches/bleeding_edge/src/cached-powers.cc Fri Oct 7 01:21:21 2011
@@ -134,14 +134,12 @@
};
static const int kCachedPowersLength = ARRAY_SIZE(kCachedPowers);
-static const int kCachedPowersOffset = -kCachedPowers[0].decimal_exponent;
+static const int kCachedPowersOffset = 348; // -1 * the first
decimal_exponent.
static const double kD_1_LOG2_10 = 0.30102999566398114; // 1 / lg(10)
-const int PowersOfTenCache::kDecimalExponentDistance =
- kCachedPowers[1].decimal_exponent - kCachedPowers[0].decimal_exponent;
-const int PowersOfTenCache::kMinDecimalExponent =
- kCachedPowers[0].decimal_exponent;
-const int PowersOfTenCache::kMaxDecimalExponent =
- kCachedPowers[kCachedPowersLength - 1].decimal_exponent;
+// Difference between the decimal exponents in the table above.
+const int PowersOfTenCache::kDecimalExponentDistance = 8;
+const int PowersOfTenCache::kMinDecimalExponent = -348;
+const int PowersOfTenCache::kMaxDecimalExponent = 340;
void PowersOfTenCache::GetCachedPowerForBinaryExponentRange(
int min_exponent,
--
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