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123 lines
4.1 KiB
123 lines
4.1 KiB
11 years ago
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/*
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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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#include <thrust/functional.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 Operation>
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struct unary_traits_imp;
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template<typename Operation>
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struct unary_traits_imp<Operation*>
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{
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typedef Operation function_type;
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typedef const function_type & param_type;
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typedef typename Operation::result_type result_type;
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typedef typename Operation::argument_type argument_type;
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}; // end unary_traits_imp
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template<typename Result, typename Argument>
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struct unary_traits_imp<Result(*)(Argument)>
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{
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typedef Result (*function_type)(Argument);
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typedef Result (*param_type)(Argument);
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typedef Result result_type;
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typedef Argument argument_type;
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}; // end unary_traits_imp
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template<typename Operation>
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struct binary_traits_imp;
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template<typename Operation>
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struct binary_traits_imp<Operation*>
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{
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typedef Operation function_type;
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typedef const function_type & param_type;
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typedef typename Operation::result_type result_type;
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typedef typename Operation::first_argument_type first_argument_type;
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typedef typename Operation::second_argument_type second_argument_type;
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}; // end binary_traits_imp
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template<typename Result, typename Argument1, typename Argument2>
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struct binary_traits_imp<Result(*)(Argument1, Argument2)>
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{
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typedef Result (*function_type)(Argument1, Argument2);
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typedef Result (*param_type)(Argument1, Argument2);
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typedef Result result_type;
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typedef Argument1 first_argument_type;
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typedef Argument2 second_argument_type;
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}; // end binary_traits_imp
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} // end detail
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template<typename Operation>
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struct unary_traits
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{
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typedef typename detail::unary_traits_imp<Operation*>::function_type function_type;
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typedef typename detail::unary_traits_imp<Operation*>::param_type param_type;
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typedef typename detail::unary_traits_imp<Operation*>::result_type result_type;
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typedef typename detail::unary_traits_imp<Operation*>::argument_type argument_type;
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}; // end unary_traits
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template<typename Result, typename Argument>
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struct unary_traits<Result(*)(Argument)>
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{
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typedef Result (*function_type)(Argument);
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typedef Result (*param_type)(Argument);
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typedef Result result_type;
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typedef Argument argument_type;
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}; // end unary_traits
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template<typename Operation>
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struct binary_traits
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{
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typedef typename detail::binary_traits_imp<Operation*>::function_type function_type;
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typedef typename detail::binary_traits_imp<Operation*>::param_type param_type;
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typedef typename detail::binary_traits_imp<Operation*>::result_type result_type;
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typedef typename detail::binary_traits_imp<Operation*>::first_argument_type first_argument_type;
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typedef typename detail::binary_traits_imp<Operation*>::second_argument_type second_argument_type;
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}; // end binary_traits
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template<typename Result, typename Argument1, typename Argument2>
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struct binary_traits<Result(*)(Argument1, Argument2)>
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{
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typedef Result (*function_type)(Argument1, Argument2);
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typedef Result (*param_type)(Argument1, Argument2);
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typedef Result result_type;
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typedef Argument1 first_argument_type;
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typedef Argument2 second_argument_type;
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}; // end binary_traits
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template<typename Predicate>
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unary_negate<Predicate> not1(const Predicate &pred)
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{
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return unary_negate<Predicate>(pred);
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} // end not1()
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template<typename BinaryPredicate>
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binary_negate<BinaryPredicate> not2(const BinaryPredicate &pred)
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{
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return binary_negate<BinaryPredicate>(pred);
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} // end not2()
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} // end thrust
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