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-rw-r--r--src/3rdparty/double-conversion/diy-fp.cc57
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diff --git a/src/3rdparty/double-conversion/diy-fp.cc b/src/3rdparty/double-conversion/diy-fp.cc
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@@ -1,57 +0,0 @@
-// 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.
-
-
-#include <double-conversion/diy-fp.h>
-#include <double-conversion/utils.h>
-
-namespace double_conversion {
-
-void DiyFp::Multiply(const DiyFp& other) {
- // Simply "emulates" a 128 bit multiplication.
- // However: the resulting number only contains 64 bits. The least
- // significant 64 bits are only used for rounding the most significant 64
- // bits.
- const uint64_t kM32 = 0xFFFFFFFFU;
- uint64_t a = f_ >> 32;
- uint64_t b = f_ & kM32;
- uint64_t c = other.f_ >> 32;
- uint64_t d = other.f_ & kM32;
- uint64_t ac = a * c;
- uint64_t bc = b * c;
- uint64_t ad = a * d;
- uint64_t bd = b * d;
- uint64_t tmp = (bd >> 32) + (ad & kM32) + (bc & kM32);
- // By adding 1U << 31 to tmp we round the final result.
- // Halfway cases will be round up.
- tmp += 1U << 31;
- uint64_t result_f = ac + (ad >> 32) + (bc >> 32) + (tmp >> 32);
- e_ += other.e_ + 64;
- f_ = result_f;
-}
-
-} // namespace double_conversion