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/*
* Copyright 2008-2009 NVIDIA Corporation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/*! \file functional.h
* \brief Defines templated functors and traits analogous to what
* is found in stl and boost's functional.
*/
#pragma once
#include <cusp/detail/config.h>
#include <thrust/functional.h>
namespace cusp
{
namespace detail
{
template<typename T>
struct zero_function : public thrust::unary_function<T,T>
{
__host__ __device__ T operator()(const T &x) const {return T(0);}
}; // end minus
} // end namespace detail
} // end namespace cusp
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