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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
51namespace Teuchos {
52
64template <int n>
65class 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
84template <int n>
85std::ostream& operator<<(std::ostream& os, BigUInt<n> a);
86template <int n>
87BigUInt<n> operator+(BigUInt<n> const& a, BigUInt<n> const& b);
88template <int n>
89BigUInt<n> operator-(BigUInt<n> const& a, BigUInt<n> const& b);
90template <int n>
91BigUInt<n> operator*(BigUInt<n> const& a, BigUInt<n> const& b);
92template <int n>
93BigUInt<n> operator/(BigUInt<n> const& a, std::uint32_t const& b);
94template <int n>
95BigUInt<n> operator/(BigUInt<n> const& a, BigUInt<n> const& b);
96template <int n>
97int comp(BigUInt<n> const& a, BigUInt<n> const& b);
98template <int n>
99bool operator>=(BigUInt<n> const& a, BigUInt<n> const& b);
100template <int n>
101bool operator<=(BigUInt<n> const& a, BigUInt<n> const& b);
102template <int n>
103bool operator<(BigUInt<n> const& a, BigUInt<n> const& b);
104template <int n>
105bool operator>(BigUInt<n> const& a, BigUInt<n> const& b);
106template <int n>
107bool operator==(BigUInt<n> const& a, BigUInt<n> const& b);
108template <int n>
109void 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)