Update rapidjson.
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49 changed files with 2673 additions and 568 deletions
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src/3rdparty/rapidjson/internal/diyfp.h
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src/3rdparty/rapidjson/internal/diyfp.h
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@ -1,6 +1,6 @@
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// Tencent is pleased to support the open source community by making RapidJSON available.
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//
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// Copyright (C) 2015 THL A29 Limited, a Tencent company, and Milo Yip. All rights reserved.
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// Copyright (C) 2015 THL A29 Limited, a Tencent company, and Milo Yip.
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//
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// Licensed under the MIT License (the "License"); you may not use this file except
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// in compliance with the License. You may obtain a copy of the License at
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@ -20,11 +20,11 @@
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#define RAPIDJSON_DIYFP_H_
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#include "../rapidjson.h"
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#include "clzll.h"
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#include <limits>
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#if defined(_MSC_VER) && defined(_M_AMD64) && !defined(__INTEL_COMPILER)
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#include <intrin.h>
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#pragma intrinsic(_BitScanReverse64)
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#pragma intrinsic(_umul128)
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#endif
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@ -100,22 +100,8 @@ struct DiyFp {
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}
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DiyFp Normalize() const {
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RAPIDJSON_ASSERT(f != 0); // https://stackoverflow.com/a/26809183/291737
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#if defined(_MSC_VER) && defined(_M_AMD64)
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unsigned long index;
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_BitScanReverse64(&index, f);
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return DiyFp(f << (63 - index), e - (63 - index));
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#elif defined(__GNUC__) && __GNUC__ >= 4
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int s = __builtin_clzll(f);
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int s = static_cast<int>(clzll(f));
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return DiyFp(f << s, e - s);
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#else
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DiyFp res = *this;
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while (!(res.f & (static_cast<uint64_t>(1) << 63))) {
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res.f <<= 1;
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res.e--;
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}
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return res;
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#endif
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}
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DiyFp NormalizeBoundary() const {
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