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-rw-r--r--deps/v8/src/cached-powers.h43
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diff --git a/deps/v8/src/cached-powers.h b/deps/v8/src/cached-powers.h
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--- a/deps/v8/src/cached-powers.h
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-// Copyright 2010 the V8 project authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#ifndef V8_CACHED_POWERS_H_
-#define V8_CACHED_POWERS_H_
-
-#include "src/base/logging.h"
-#include "src/diy-fp.h"
-
-namespace v8 {
-namespace internal {
-
-class PowersOfTenCache {
- public:
- // Not all powers of ten are cached. The decimal exponent of two neighboring
- // cached numbers will differ by kDecimalExponentDistance.
- static const int kDecimalExponentDistance;
-
- static const int kMinDecimalExponent;
- static const int kMaxDecimalExponent;
-
- // Returns a cached power-of-ten with a binary exponent in the range
- // [min_exponent; max_exponent] (boundaries included).
- static void GetCachedPowerForBinaryExponentRange(int min_exponent,
- int max_exponent,
- DiyFp* power,
- int* decimal_exponent);
-
- // Returns a cached power of ten x ~= 10^k such that
- // k <= decimal_exponent < k + kCachedPowersDecimalDistance.
- // The given decimal_exponent must satisfy
- // kMinDecimalExponent <= requested_exponent, and
- // requested_exponent < kMaxDecimalExponent + kDecimalExponentDistance.
- static void GetCachedPowerForDecimalExponent(int requested_exponent,
- DiyFp* power,
- int* found_exponent);
-};
-
-} // namespace internal
-} // namespace v8
-
-#endif // V8_CACHED_POWERS_H_