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Teuchos_BigUIntDecl.hpp
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41 
42 #ifndef TEUCHOS_BIG_UINT_DECL_HPP
43 #define TEUCHOS_BIG_UINT_DECL_HPP
44 
45 #include <iosfwd>
46 
51 namespace Teuchos {
52 
64 template <int n>
65 class BigUInt {
66  private:
67  std::uint32_t x[n];
68  public:
69  BigUInt();
70  BigUInt(std::uint64_t v);
71  BigUInt(std::string const& s);
72  explicit operator bool() const noexcept;
73  std::uint32_t& operator[](int i);
74  std::uint32_t const& operator[](int i) const;
75  BigUInt& operator+=(std::uint32_t b);
76  BigUInt& operator+=(BigUInt const& b);
77  BigUInt& operator-=(std::uint32_t b);
78  BigUInt& operator-=(BigUInt const& b);
79  BigUInt& operator*=(std::uint32_t b);
80  BigUInt& operator<<=(std::uint32_t b);
81  BigUInt& operator>>=(std::uint32_t b);
82 };
83 
84 template <int n>
85 std::ostream& operator<<(std::ostream& os, BigUInt<n> a);
86 template <int n>
87 BigUInt<n> operator+(BigUInt<n> const& a, BigUInt<n> const& b);
88 template <int n>
89 BigUInt<n> operator-(BigUInt<n> const& a, BigUInt<n> const& b);
90 template <int n>
91 BigUInt<n> operator*(BigUInt<n> const& a, BigUInt<n> const& b);
92 template <int n>
93 BigUInt<n> operator/(BigUInt<n> const& a, std::uint32_t const& b);
94 template <int n>
95 BigUInt<n> operator/(BigUInt<n> const& a, BigUInt<n> const& b);
96 template <int n>
97 int comp(BigUInt<n> const& a, BigUInt<n> const& b);
98 template <int n>
99 bool operator>=(BigUInt<n> const& a, BigUInt<n> const& b);
100 template <int n>
101 bool operator<=(BigUInt<n> const& a, BigUInt<n> const& b);
102 template <int n>
103 bool operator<(BigUInt<n> const& a, BigUInt<n> const& b);
104 template <int n>
105 bool operator>(BigUInt<n> const& a, BigUInt<n> const& b);
106 template <int n>
107 bool operator==(BigUInt<n> const& a, BigUInt<n> const& b);
108 template <int n>
109 void divmod(BigUInt<n>& quotient, BigUInt<n>& x, std::uint32_t const& b);
110 
111 }
112 
113 #endif
Arbitrary-precision unsigned integer class.
std::uint32_t x[n]
void divmod(BigUInt< n > &quotient, BigUInt< n > &x, std::uint32_t const &b)
int comp(BigUInt< n > const &a, BigUInt< n > const &b)