MongoDB C++ Driver  mongocxx-3.9.0
All Classes Namespaces Functions Typedefs Enumerations Enumerator Friends Pages
decimal128.hpp
1 // Copyright 2016 MongoDB Inc.
2 //
3 // Licensed under the Apache License, Version 2.0 (the "License");
4 // you may not use this file except in compliance with the License.
5 // You may obtain a copy of the License at
6 //
7 // http://www.apache.org/licenses/LICENSE-2.0
8 //
9 // Unless required by applicable law or agreed to in writing, software
10 // distributed under the License is distributed on an "AS IS" BASIS,
11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 // See the License for the specific language governing permissions and
13 // limitations under the License.
14 
15 #pragma once
16 
17 #include <cstdint>
18 #include <string>
19 
20 #include <bsoncxx/stdx/string_view.hpp>
21 
22 #include <bsoncxx/config/prelude.hpp>
23 
24 namespace bsoncxx {
25 inline namespace v_noabi {
29 class BSONCXX_API decimal128 {
30  public:
34  decimal128() = default;
35 
44  decimal128(uint64_t high, uint64_t low) noexcept : _high(high), _low(low) {}
45 
55  explicit decimal128(stdx::string_view str);
56 
62  std::string to_string() const;
63 
71  friend BSONCXX_API bool BSONCXX_CALL operator==(const decimal128& lhs, const decimal128& rhs);
72  friend BSONCXX_API bool BSONCXX_CALL operator!=(const decimal128& lhs, const decimal128& rhs);
76 
80  BSONCXX_INLINE uint64_t high() const {
81  return _high;
82  }
83 
87  BSONCXX_INLINE uint64_t low() const {
88  return _low;
89  }
90 
91  private:
92  uint64_t _high = 0;
93  uint64_t _low = 0;
94 };
95 
96 } // namespace v_noabi
97 } // namespace bsoncxx
98 
99 #include <bsoncxx/config/postlude.hpp>
Represents an IEEE 754-2008 BSON Decimal128 value in a platform-independent way.
Definition: decimal128.hpp:29
decimal128(uint64_t high, uint64_t low) noexcept
Constructs a BSON Decimal128 from high and low 64-bit big-endian parts.
Definition: decimal128.hpp:44
uint64_t high() const
Accessor for high 64 bits.
Definition: decimal128.hpp:80
friend bool operator==(const decimal128 &lhs, const decimal128 &rhs)
Relational operators for decimal128.
friend bool operator!=(const decimal128 &lhs, const decimal128 &rhs)
Relational operators for decimal128.
decimal128(stdx::string_view str)
Constructs a BSON Decimal128 from a string.
decimal128()=default
Constructs a BSON Decimal128 value representing zero.
std::string to_string() const
Converts this decimal128 value to a string representation.
uint64_t low() const
Accessor for low 64 bits.
Definition: decimal128.hpp:87
The top-level namespace for bsoncxx library entities.
Definition: element.hpp:24