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93 lines
3.8 KiB
93 lines
3.8 KiB
// Copyright 2017 Pharap
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#pragma once
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#include "Details.h"
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FIXED_POINTS_BEGIN_NAMESPACE
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namespace FIXED_POINTS_DETAILS
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{
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template< unsigned Integer, unsigned Fraction >
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class UFixedBase
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{
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public:
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using IntegerType = FIXED_POINTS_DETAILS::LeastUInt<Integer>;
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using FractionType = FIXED_POINTS_DETAILS::LeastUInt<Fraction>;
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using InternalType = FIXED_POINTS_DETAILS::LeastUInt<Integer + Fraction>;
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constexpr const static unsigned long long Scale = 1ULL << Fraction;
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protected:
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class RawType
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{
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private:
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const InternalType value;
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public:
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constexpr inline explicit RawType(const InternalType & value) : value(value) {}
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constexpr inline explicit operator InternalType(void) const { return this->value; }
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};
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protected:
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InternalType value;
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constexpr UFixedBase(void) : value(0) {}
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constexpr UFixedBase(const RawType & value) : value(static_cast<InternalType>(value)) {}
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public:
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constexpr UFixedBase(const char & value)
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: value(static_cast<InternalType>(static_cast< LargerType<char, InternalType> >(value) << Fraction)) {}
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constexpr UFixedBase(const unsigned char & value)
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: value(static_cast<InternalType>(static_cast< LargerType<unsigned char, InternalType> >(value) << Fraction)) {}
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constexpr UFixedBase(const signed char & value)
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: value(static_cast<InternalType>(static_cast< LargerType<signed char, InternalType> >(value) << Fraction)) {}
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constexpr UFixedBase(const unsigned short int & value)
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: value(static_cast<InternalType>(static_cast< LargerType<unsigned short int, InternalType> >(value) << Fraction)) {}
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constexpr UFixedBase(const signed short int & value)
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: value(static_cast<InternalType>(static_cast< LargerType<signed short int, InternalType> >(value) << Fraction)) {}
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constexpr UFixedBase(const unsigned int & value)
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: value(static_cast<InternalType>(static_cast< LargerType<unsigned int, InternalType> >(value) << Fraction)) {}
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constexpr UFixedBase(const signed int & value)
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: value(static_cast<InternalType>(static_cast< LargerType<signed int, InternalType> >(value) << Fraction)) {}
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constexpr UFixedBase(const unsigned long int & value)
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: value(static_cast<InternalType>(static_cast< LargerType<unsigned long int, InternalType> >(value) << Fraction)) {}
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constexpr UFixedBase(const signed long int & value)
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: value(static_cast<InternalType>(static_cast< LargerType<signed long int, InternalType> >(value) << Fraction)) {}
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constexpr UFixedBase(const unsigned long long int & value)
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: value(static_cast<InternalType>(static_cast< LargerType<unsigned long long int, InternalType> >(value) << Fraction)) {}
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constexpr UFixedBase(const signed long long int & value)
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: value(static_cast<InternalType>(static_cast< LargerType<signed long long int, InternalType> >(value) << Fraction)) {}
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constexpr UFixedBase(const double & value)
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: value(static_cast<InternalType>(value * static_cast<double>(Scale))) {}
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constexpr UFixedBase(const float & value)
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: value(static_cast<InternalType>(value * static_cast<float>(Scale))) {}
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constexpr UFixedBase(const long double & value)
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: value(static_cast<InternalType>(value * static_cast<long double>(Scale))) {}
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};
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}
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FIXED_POINTS_END_NAMESPACE |