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395 lines
8.8 KiB
395 lines
8.8 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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#pragma once
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#include <thrust/detail/config.h>
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#include <thrust/detail/functional/actor.h>
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#include <thrust/detail/functional/composite.h>
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#include <thrust/detail/functional/operators/operator_adaptors.h>
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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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namespace functional
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{
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template<typename Eval>
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__host__ __device__
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actor<
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composite<
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unary_operator<thrust::negate>,
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actor<Eval>
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>
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>
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__host__ __device__
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operator-(const actor<Eval> &_1)
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{
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return compose(unary_operator<thrust::negate>(), _1);
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} // end operator-()
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// there's no standard unary_plus functional, so roll an ad hoc one here
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template<typename T>
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struct unary_plus
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: public thrust::unary_function<T,T>
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{
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__host__ __device__ T operator()(const T &x) const {return +x;}
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}; // end unary_plus
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template<typename Eval>
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__host__ __device__
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actor<
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composite<
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unary_operator<unary_plus>,
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actor<Eval>
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>
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>
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operator+(const actor<Eval> &_1)
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{
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return compose(unary_operator<unary_plus>(), _1);
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} // end operator+()
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template<typename T1, typename T2>
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__host__ __device__
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actor<
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composite<
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binary_operator<thrust::plus>,
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actor<T1>,
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typename as_actor<T2>::type
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>
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>
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operator+(const actor<T1> &_1, const T2 &_2)
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{
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return compose(binary_operator<thrust::plus>(),
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make_actor(_1),
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make_actor(_2));
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} // end operator+()
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template<typename T1, typename T2>
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__host__ __device__
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actor<
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composite<
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binary_operator<thrust::plus>,
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typename as_actor<T1>::type,
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actor<T2>
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>
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>
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operator+(const T1 &_1, const actor<T2> &_2)
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{
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return compose(binary_operator<thrust::plus>(),
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make_actor(_1),
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make_actor(_2));
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} // end operator+()
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template<typename T1, typename T2>
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__host__ __device__
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actor<
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composite<
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binary_operator<thrust::plus>,
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actor<T1>,
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actor<T2>
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>
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>
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operator+(const actor<T1> &_1, const actor<T2> &_2)
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{
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return compose(binary_operator<thrust::plus>(),
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make_actor(_1),
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make_actor(_2));
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} // end operator+()
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template<typename T1, typename T2>
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__host__ __device__
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actor<
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composite<
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binary_operator<thrust::minus>,
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typename as_actor<T1>::type,
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actor<T2>
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>
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>
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operator-(const T1 &_1, const actor<T2> &_2)
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{
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return compose(binary_operator<thrust::minus>(),
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make_actor(_1),
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make_actor(_2));
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} // end operator-()
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template<typename T1, typename T2>
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__host__ __device__
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actor<
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composite<
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binary_operator<thrust::minus>,
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actor<T1>,
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typename as_actor<T2>::type
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>
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>
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operator-(const actor<T1> &_1, const T2 &_2)
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{
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return compose(binary_operator<thrust::minus>(),
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make_actor(_1),
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make_actor(_2));
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} // end operator-()
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template<typename T1, typename T2>
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__host__ __device__
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actor<
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composite<
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binary_operator<thrust::minus>,
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actor<T1>,
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actor<T2>
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>
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>
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operator-(const actor<T1> &_1, const actor<T2> &_2)
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{
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return compose(binary_operator<thrust::minus>(),
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make_actor(_1),
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make_actor(_2));
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} // end operator-()
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template<typename T1, typename T2>
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__host__ __device__
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actor<
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composite<
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binary_operator<thrust::multiplies>,
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typename as_actor<T1>::type,
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actor<T2>
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>
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>
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operator*(const T1 &_1, const actor<T2> &_2)
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{
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return compose(binary_operator<thrust::multiplies>(),
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make_actor(_1),
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make_actor(_2));
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} // end operator*()
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template<typename T1, typename T2>
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__host__ __device__
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actor<
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composite<
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binary_operator<thrust::multiplies>,
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actor<T1>,
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typename as_actor<T2>::type
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>
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>
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operator*(const actor<T1> &_1, const T2 &_2)
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{
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return compose(binary_operator<thrust::multiplies>(),
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make_actor(_1),
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make_actor(_2));
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} // end operator*()
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template<typename T1, typename T2>
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__host__ __device__
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actor<
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composite<
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binary_operator<thrust::multiplies>,
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actor<T1>,
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actor<T2>
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>
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>
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operator*(const actor<T1> &_1, const actor<T2> &_2)
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{
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return compose(binary_operator<thrust::multiplies>(),
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make_actor(_1),
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make_actor(_2));
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} // end operator*()
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template<typename T1, typename T2>
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__host__ __device__
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actor<
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composite<
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binary_operator<thrust::divides>,
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actor<T1>,
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typename as_actor<T2>::type
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>
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>
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operator/(const actor<T1> &_1, const T2 &_2)
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{
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return compose(binary_operator<thrust::divides>(),
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make_actor(_1),
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make_actor(_2));
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} // end operator/()
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template<typename T1, typename T2>
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__host__ __device__
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actor<
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composite<
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binary_operator<thrust::divides>,
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typename as_actor<T1>::type,
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actor<T2>
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>
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>
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operator/(const T1 &_1, const actor<T2> &_2)
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{
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return compose(binary_operator<thrust::divides>(),
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make_actor(_1),
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make_actor(_2));
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} // end operator/()
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template<typename T1, typename T2>
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__host__ __device__
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actor<
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composite<
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binary_operator<thrust::divides>,
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actor<T1>,
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actor<T2>
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>
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>
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operator/(const actor<T1> &_1, const actor<T2> &_2)
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{
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return compose(binary_operator<thrust::divides>(),
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make_actor(_1),
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make_actor(_2));
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} // end operator/()
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template<typename T1, typename T2>
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__host__ __device__
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actor<
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composite<
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binary_operator<thrust::modulus>,
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actor<T1>,
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typename as_actor<T2>::type
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>
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>
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operator%(const actor<T1> &_1, const T2 &_2)
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{
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return compose(binary_operator<thrust::modulus>(),
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make_actor(_1),
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make_actor(_2));
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} // end operator%()
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template<typename T1, typename T2>
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__host__ __device__
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actor<
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composite<
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binary_operator<thrust::modulus>,
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typename as_actor<T1>::type,
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actor<T2>
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>
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>
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operator%(const T1 &_1, const actor<T2> &_2)
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{
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return compose(binary_operator<thrust::modulus>(),
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make_actor(_1),
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make_actor(_2));
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} // end operator%()
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template<typename T1, typename T2>
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__host__ __device__
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actor<
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composite<
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binary_operator<thrust::modulus>,
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actor<T1>,
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actor<T2>
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>
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>
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operator%(const actor<T1> &_1, const actor<T2> &_2)
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{
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return compose(binary_operator<thrust::modulus>(),
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make_actor(_1),
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make_actor(_2));
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} // end operator%()
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// there's no standard prefix_increment functional, so roll an ad hoc one here
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template<typename T>
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struct prefix_increment
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: public thrust::unary_function<T&,T&>
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{
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__host__ __device__ T& operator()(T &x) const { return ++x; }
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}; // end prefix_increment
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template<typename Eval>
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__host__ __device__
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actor<
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composite<
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unary_operator<prefix_increment>,
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actor<Eval>
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>
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>
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operator++(const actor<Eval> &_1)
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{
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return compose(unary_operator<prefix_increment>(), _1);
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} // end operator++()
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// there's no standard suffix_increment functional, so roll an ad hoc one here
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template<typename T>
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struct suffix_increment
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: public thrust::unary_function<T&,T>
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{
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__host__ __device__ T operator()(T &x) const { return x++; }
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}; // end suffix_increment
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template<typename Eval>
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__host__ __device__
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actor<
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composite<
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unary_operator<suffix_increment>,
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actor<Eval>
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>
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>
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operator++(const actor<Eval> &_1, int)
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{
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return compose(unary_operator<suffix_increment>(), _1);
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} // end operator++()
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// there's no standard prefix_decrement functional, so roll an ad hoc one here
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template<typename T>
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struct prefix_decrement
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|
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: public thrust::unary_function<T&,T&>
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{
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__host__ __device__ T& operator()(T &x) const { return --x; }
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}; // end prefix_decrement
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|
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|
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|
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template<typename Eval>
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||
|
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__host__ __device__
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||
|
|
actor<
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|
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composite<
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unary_operator<prefix_decrement>,
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actor<Eval>
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>
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>
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operator--(const actor<Eval> &_1)
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{
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return compose(unary_operator<prefix_decrement>(), _1);
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} // end operator--()
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// there's no standard suffix_decrement functional, so roll an ad hoc one here
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|
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template<typename T>
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|
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struct suffix_decrement
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||
|
|
: public thrust::unary_function<T&,T>
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{
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__host__ __device__ T operator()(T &x) const { return x--; }
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}; // end suffix_decrement
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|
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template<typename Eval>
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||
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__host__ __device__
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||
|
|
actor<
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|
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composite<
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unary_operator<suffix_decrement>,
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actor<Eval>
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|
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>
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||
|
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>
|
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|
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operator--(const actor<Eval> &_1, int)
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{
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return compose(unary_operator<suffix_decrement>(), _1);
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} // end operator--()
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} // end functional
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} // end detail
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||
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} // end thrust
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