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132 lines
2.9 KiB
132 lines
2.9 KiB
/* |
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* Copyright 2008-2012 NVIDIA Corporation |
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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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*/ |
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#pragma once |
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#include <thrust/detail/config.h> |
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#include <limits> |
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#include <limits.h> |
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namespace thrust |
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{ |
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namespace detail |
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{ |
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template<typename T> |
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class integer_traits |
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{ |
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public: |
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static const bool is_integral = false; |
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}; |
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template<typename T, T min_val, T max_val> |
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class integer_traits_base |
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{ |
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public: |
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static const bool is_integral = true; |
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static const T const_min = min_val; |
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static const T const_max = max_val; |
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}; |
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template<> |
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class integer_traits<bool> |
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: public std::numeric_limits<bool>, |
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public integer_traits_base<bool, false, true> |
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{}; |
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template<> |
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class integer_traits<char> |
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: public std::numeric_limits<char>, |
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public integer_traits_base<char, CHAR_MIN, CHAR_MAX> |
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{}; |
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template<> |
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class integer_traits<signed char> |
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: public std::numeric_limits<signed char>, |
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public integer_traits_base<signed char, SCHAR_MIN, SCHAR_MAX> |
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{}; |
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template<> |
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class integer_traits<unsigned char> |
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: public std::numeric_limits<unsigned char>, |
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public integer_traits_base<unsigned char, 0, UCHAR_MAX> |
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{}; |
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template<> |
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class integer_traits<short> |
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: public std::numeric_limits<short>, |
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public integer_traits_base<short, SHRT_MIN, SHRT_MAX> |
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{}; |
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template<> |
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class integer_traits<unsigned short> |
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: public std::numeric_limits<unsigned short>, |
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public integer_traits_base<unsigned short, 0, USHRT_MAX> |
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{}; |
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template<> |
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class integer_traits<int> |
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: public std::numeric_limits<int>, |
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public integer_traits_base<int, INT_MIN, INT_MAX> |
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{}; |
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template<> |
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class integer_traits<unsigned int> |
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: public std::numeric_limits<unsigned int>, |
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public integer_traits_base<unsigned int, 0, UINT_MAX> |
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{}; |
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template<> |
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class integer_traits<long> |
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: public std::numeric_limits<long>, |
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public integer_traits_base<long, LONG_MIN, LONG_MAX> |
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{}; |
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template<> |
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class integer_traits<unsigned long> |
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: public std::numeric_limits<unsigned long>, |
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public integer_traits_base<unsigned long, 0, ULONG_MAX> |
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{}; |
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template<> |
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class integer_traits<long long> |
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: public std::numeric_limits<long long>, |
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public integer_traits_base<long long, LLONG_MIN, LLONG_MAX> |
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{}; |
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template<> |
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class integer_traits<unsigned long long> |
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: public std::numeric_limits<unsigned long long>, |
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public integer_traits_base<unsigned long long, 0, ULLONG_MAX> |
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{}; |
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} // end detail |
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} // end thrust |
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