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@ -22,9 +22,9 @@
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* @author [Ashish Daulatabad](https://github.com/AshishYUO)
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* @author [Ashish Daulatabad](https://github.com/AshishYUO)
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*/
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*/
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#include <cassert> /// for assert
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#include <cassert> /// for assert
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#include <iostream> /// for IO operation
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#include <iostream> /// for IO operations
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#include "uint256_t.hpp" /// for 256-bit integer;
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#include "uint256_t.hpp" /// for 256-bit integer
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/**
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/**
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* @namespace ciphers
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* @namespace ciphers
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@ -32,7 +32,7 @@ struct std::is_unsigned<uint128_t> : std::true_type {};
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* @details Adds two long integer, only used for printing numbers
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* @details Adds two long integer, only used for printing numbers
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* @param first First integer string
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* @param first First integer string
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* @param second Second integer string
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* @param second Second integer string
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* @returns string denoting the addition of both the strings.
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* @returns string denoting the addition of both the strings
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*/
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*/
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std::string add(const std::string &first, const std::string &second) {
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std::string add(const std::string &first, const std::string &second) {
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std::string third;
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std::string third;
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@ -28,10 +28,10 @@ struct std::is_unsigned<uint256_t> : std::true_type {};
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/**
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/**
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* @class uint256_t
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* @class uint256_t
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* @brief class for 256-bit unsigned integer.
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* @brief class for 256-bit unsigned integer
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*/
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*/
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class uint256_t {
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class uint256_t {
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uint128_t f{}, s{}; /// First and second half of 256 bit number.
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uint128_t f{}, s{}; /// First and second half of 256 bit number
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/**
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/**
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* @brief Get integer from given string.
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* @brief Get integer from given string.
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@ -65,6 +65,11 @@ class uint256_t {
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// Constructors
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// Constructors
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uint256_t() = default;
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uint256_t() = default;
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/**
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* @brief Parameterized constructor
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* @tparam T template for integer types
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* @param low Integer denoting lower 128-bits
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*/
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template <typename T, typename = typename std::enable_if<
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template <typename T, typename = typename std::enable_if<
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std::is_integral<T>::value, T>::type>
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std::is_integral<T>::value, T>::type>
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explicit uint256_t(T low) : s(low), f(0) {}
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explicit uint256_t(T low) : s(low), f(0) {}
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