109 lines
3.1 KiB
C++
109 lines
3.1 KiB
C++
#pragma once
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#include "bit.h"
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namespace dark {
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using dark::concepts::bit_type;
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using dark::concepts::int_type;
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using dark::concepts::bit_match;
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template <typename _Tp>
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constexpr auto cast(const _Tp& value) {
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return static_cast <max_size_t> (value);
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}
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template <typename _Tp, typename _Up>
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consteval auto get_common_length() -> std::size_t {
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static_assert(bit_match <_Tp, _Up>);
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if constexpr (bit_type <_Tp>) {
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return _Tp::_Bit_Len;
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} else {
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static_assert(bit_type <_Up>, "Invalid common length");
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return _Up::_Bit_Len;
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}
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}
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template <typename _Tp, typename _Up>
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requires bit_match <_Tp, _Up>
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constexpr auto operator + (const _Tp &lhs, const _Up &rhs) {
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constexpr auto _Len = get_common_length <_Tp, _Up>();
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return Bit <_Len> (cast(lhs) + cast(rhs));
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}
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template <typename _Tp, typename _Up>
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requires bit_match <_Tp, _Up>
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constexpr auto operator - (const _Tp &lhs, const _Up &rhs) {
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constexpr auto _Len = get_common_length <_Tp, _Up>();
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return Bit <_Len> (cast(lhs) + cast(rhs));
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}
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template <typename _Tp, typename _Up>
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requires bit_match <_Tp, _Up>
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constexpr auto operator * (const _Tp &lhs, const _Up &rhs) {
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constexpr auto _Len = get_common_length <_Tp, _Up>();
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return Bit <_Len> (cast(lhs) + cast(rhs));
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}
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template <typename _Tp, typename _Up>
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requires bit_match <_Tp, _Up>
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constexpr auto operator / (const _Tp &lhs, const _Up &rhs) {
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constexpr auto _Len = get_common_length <_Tp, _Up>();
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return Bit <_Len> (cast(lhs) + cast(rhs));
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}
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template <typename _Tp, typename _Up>
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requires bit_match <_Tp, _Up>
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constexpr auto operator & (const _Tp &lhs, const _Up &rhs) {
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constexpr auto _Len = get_common_length <_Tp, _Up>();
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return Bit <_Len> (cast(lhs) + cast(rhs));
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}
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template <typename _Tp, typename _Up>
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requires bit_match <_Tp, _Up>
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constexpr auto operator | (const _Tp &lhs, const _Up &rhs) {
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constexpr auto _Len = get_common_length <_Tp, _Up>();
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return Bit <_Len> (cast(lhs) + cast(rhs));
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}
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template <typename _Tp, typename _Up>
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requires bit_match <_Tp, _Up>
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constexpr auto operator ^ (const _Tp &lhs, const _Up &rhs) {
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constexpr auto _Len = get_common_length <_Tp, _Up>();
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return Bit <_Len> (cast(lhs) + cast(rhs));
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}
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template <typename _Tp>
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concept int_or_bit = int_type <_Tp> || bit_type <_Tp>;
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template <bit_type _Tp, int_or_bit _Up>
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constexpr auto operator << (const _Tp &lhs, const _Up &rhs) {
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return Bit <_Tp::_Bit_Len> (cast(lhs) << (cast(rhs) & kMaxLength));
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}
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template <bit_type _Tp, int_or_bit _Up>
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constexpr auto operator >> (const _Tp &lhs, const _Up &rhs) {
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return Bit <_Tp::_Bit_Len> (cast(lhs) >> (cast(rhs) & kMaxLength));
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}
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template <bit_type _Tp>
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constexpr auto operator ~ (const _Tp &value) {
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return Bit <_Tp::_Bit_Len> (~cast(value));
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}
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template <bit_type _Tp>
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constexpr auto operator ! (const _Tp &value) {
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return ~value;
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}
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template <bit_type _Tp>
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constexpr auto operator + (const _Tp &value) {
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return Bit <_Tp::_Bit_Len> (+cast(value));
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}
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template <bit_type _Tp>
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constexpr auto operator - (const _Tp &value) {
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return Bit <_Tp::_Bit_Len> (-cast(value));
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}
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} // namespace dark
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