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96 lines
3.3 KiB
96 lines
3.3 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/type_traits.h> |
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#include <thrust/detail/type_traits/has_nested_type.h> |
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namespace thrust |
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{ |
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// forward definitions for is_commutative |
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template <typename T> struct plus; |
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template <typename T> struct multiplies; |
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template <typename T> struct minimum; |
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template <typename T> struct maximum; |
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template <typename T> struct logical_or; |
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template <typename T> struct logical_and; |
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template <typename T> struct bit_or; |
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template <typename T> struct bit_and; |
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template <typename T> struct bit_xor; |
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namespace detail |
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{ |
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// some metafunctions which check for the nested types of the adaptable functions |
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__THRUST_DEFINE_HAS_NESTED_TYPE(has_result_type, result_type) |
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__THRUST_DEFINE_HAS_NESTED_TYPE(has_argument_type, argument_type) |
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__THRUST_DEFINE_HAS_NESTED_TYPE(has_first_argument_type, first_argument_type) |
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__THRUST_DEFINE_HAS_NESTED_TYPE(has_second_argument_type, second_argument_type) |
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template<typename AdaptableBinaryFunction> |
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struct result_type |
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{ |
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typedef typename AdaptableBinaryFunction::result_type type; |
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}; |
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template<typename T> |
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struct is_adaptable_unary_function |
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: thrust::detail::and_< |
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has_result_type<T>, |
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has_argument_type<T> |
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> |
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{}; |
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template<typename T> |
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struct is_adaptable_binary_function |
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: thrust::detail::and_< |
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has_result_type<T>, |
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thrust::detail::and_< |
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has_first_argument_type<T>, |
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has_second_argument_type<T> |
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> |
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> |
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{}; |
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template<typename BinaryFunction> |
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struct is_commutative |
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: public thrust::detail::false_type |
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{}; |
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template<typename T> struct is_commutative< typename thrust::plus<T> > : public thrust::detail::is_arithmetic<T> {}; |
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template<typename T> struct is_commutative< typename thrust::multiplies<T> > : public thrust::detail::is_arithmetic<T> {}; |
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template<typename T> struct is_commutative< typename thrust::minimum<T> > : public thrust::detail::is_arithmetic<T> {}; |
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template<typename T> struct is_commutative< typename thrust::maximum<T> > : public thrust::detail::is_arithmetic<T> {}; |
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template<typename T> struct is_commutative< typename thrust::logical_or<T> > : public thrust::detail::is_arithmetic<T> {}; |
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template<typename T> struct is_commutative< typename thrust::logical_and<T> > : public thrust::detail::is_arithmetic<T> {}; |
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template<typename T> struct is_commutative< typename thrust::bit_or<T> > : public thrust::detail::is_arithmetic<T> {}; |
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template<typename T> struct is_commutative< typename thrust::bit_and<T> > : public thrust::detail::is_arithmetic<T> {}; |
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template<typename T> struct is_commutative< typename thrust::bit_xor<T> > : public thrust::detail::is_arithmetic<T> {}; |
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} // end namespace detail |
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} // end namespace thrust |
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