chromium/third_party/angle/third_party/rapidjson/src/include/rapidjson/internal/diyfp.h

// Tencent is pleased to support the open source community by making RapidJSON available.
//
// Copyright (C) 2015 THL A29 Limited, a Tencent company, and Milo Yip.
//
// Licensed under the MIT License (the "License"); you may not use this file except
// in compliance with the License. You may obtain a copy of the License at
//
// http://opensource.org/licenses/MIT
//
// Unless required by applicable law or agreed to in writing, software distributed
// under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
// CONDITIONS OF ANY KIND, either express or implied. See the License for the
// specific language governing permissions and limitations under the License.

// This is a C++ header-only implementation of Grisu2 algorithm from the publication:
// Loitsch, Florian. "Printing floating-point numbers quickly and accurately with
// integers." ACM Sigplan Notices 45.6 (2010): 233-243.

#ifndef RAPIDJSON_DIYFP_H_
#define RAPIDJSON_DIYFP_H_

#include "../rapidjson.h"
#include "clzll.h"
#include <limits>

#if defined(_MSC_VER) && defined(_M_AMD64) && !defined(__INTEL_COMPILER)
#include <intrin.h>
#if !defined(_ARM64EC_)
#pragma intrinsic(_umul128)
#else
#pragma comment(lib,"softintrin")
#endif
#endif

RAPIDJSON_NAMESPACE_BEGIN
internal // namespace internal
RAPIDJSON_NAMESPACE_END

#endif // RAPIDJSON_DIYFP_H_