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diff --git a/src/3rdparty/double-conversion/cached-powers.h b/src/3rdparty/double-conversion/cached-powers.h
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-// Copyright 2010 the V8 project authors. All rights reserved.
-// Redistribution and use in source and binary forms, with or without
-// modification, are permitted provided that the following conditions are
-// met:
-//
-// * Redistributions of source code must retain the above copyright
-// notice, this list of conditions and the following disclaimer.
-// * Redistributions in binary form must reproduce the above
-// copyright notice, this list of conditions and the following
-// disclaimer in the documentation and/or other materials provided
-// with the distribution.
-// * Neither the name of Google Inc. nor the names of its
-// contributors may be used to endorse or promote products derived
-// from this software without specific prior written permission.
-//
-// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-#ifndef DOUBLE_CONVERSION_CACHED_POWERS_H_
-#define DOUBLE_CONVERSION_CACHED_POWERS_H_
-
-#include <double-conversion/diy-fp.h>
-
-namespace double_conversion {
-
-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 double_conversion
-
-#endif // DOUBLE_CONVERSION_CACHED_POWERS_H_