fix unused warning on kCachedPowersLength
diff --git a/double-conversion/cached-powers.cc b/double-conversion/cached-powers.cc
index 6cbc09b..aa078c8 100644
--- a/double-conversion/cached-powers.cc
+++ b/double-conversion/cached-powers.cc
@@ -131,7 +131,6 @@
{UINT64_2PART_C(0xaf87023b, 9bf0ee6b), 1066, 340},
};
-static const int kCachedPowersLength = ARRAY_SIZE(kCachedPowers);
static const int kCachedPowersOffset = 348; // -1 * the first decimal_exponent.
static const double kD_1_LOG2_10 = 0.30102999566398114; // 1 / lg(10)
// Difference between the decimal exponents in the table above.
@@ -149,7 +148,7 @@
int foo = kCachedPowersOffset;
int index =
(foo + static_cast<int>(k) - 1) / kDecimalExponentDistance + 1;
- ASSERT(0 <= index && index < kCachedPowersLength);
+ ASSERT(0 <= index && index < static_cast<int>(ARRAY_SIZE(kCachedPowers)));
CachedPower cached_power = kCachedPowers[index];
ASSERT(min_exponent <= cached_power.binary_exponent);
(void) max_exponent; // Mark variable as used.