Permalink
Fetching contributors…
Cannot retrieve contributors at this time
131 lines (113 sloc) 4.12 KB
/*
* Copyright 2008-2012 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 fill.h
* \brief Fills a range with a constant value
*/
#pragma once
#include <thrust/detail/config.h>
#include <thrust/detail/dispatchable.h>
namespace thrust
{
template<typename System, typename ForwardIterator, typename T>
void fill(thrust::detail::dispatchable_base<System> &system,
ForwardIterator first,
ForwardIterator last,
const T &value);
template<typename System, typename OutputIterator, typename Size, typename T>
OutputIterator fill_n(thrust::detail::dispatchable_base<System> &system,
OutputIterator first,
Size n,
const T &value);
/*! \addtogroup transformations
* \addtogroup filling
* \ingroup transformations
* \{
*/
/*! \p fill assigns the value \p value to every element in
* the range <tt>[first, last)</tt>. That is, for every
* iterator \c i in <tt>[first, last)</tt>, it performs
* the assignment <tt>*i = value</tt>.
*
* \param first The beginning of the sequence.
* \param last The end of the sequence.
* \param value The value to be copied.
*
* \tparam ForwardIterator is a model of <a href="http://www.sgi.com/tech/stl/ForwardIterator.html">Forward Iterator</a>,
* and \p ForwardIterator is mutable.
* \tparam T is a model of <a href="http://www.sgi.com/tech/stl/Assignable.html">Assignable</a>,
* and \p T's \c value_type is convertible to \p ForwardIterator's \c value_type.
*
* The following code snippet demonstrates how to use \p fill to set a thrust::device_vector's
* elements to a given value.
*
* \code
* #include <thrust/fill.h>
* #include <thrust/device_vector.h>
* ...
* thrust::device_vector<int> v(4);
* thrust::fill(v.begin(), v.end(), 137);
*
* // v[0] == 137, v[1] == 137, v[2] == 137, v[3] == 137
* \endcode
*
* \see http://www.sgi.com/tech/stl/fill.html
* \see \c fill_n
* \see \c uninitialized_fill
*/
template<typename ForwardIterator, typename T>
void fill(ForwardIterator first,
ForwardIterator last,
const T &value);
/*! \p fill_n assigns the value \p value to every element in
* the range <tt>[first, first+n)</tt>. That is, for every
* iterator \c i in <tt>[first, first+n)</tt>, it performs
* the assignment <tt>*i = value</tt>.
*
* \param first The beginning of the sequence.
* \param n The size of the sequence.
* \param value The value to be copied.
* \return <tt>first + n</tt>
*
* \tparam OutputIterator is a model of <a href="http://www.sgi.com/tech/stl/OutputIterator.html">Output Iterator</a>.
* \tparam T is a model of <a href="http://www.sgi.com/tech/stl/Assignable.html">Assignable</a>,
* and \p T's \c value_type is convertible to a type in \p OutputIterator's set of \c value_type.
*
* The following code snippet demonstrates how to use \p fill to set a thrust::device_vector's
* elements to a given value.
*
* \code
* #include <thrust/fill.h>
* #include <thrust/device_vector.h>
* ...
* thrust::device_vector<int> v(4);
* thrust::fill_n(v.begin(), v.size(), 137);
*
* // v[0] == 137, v[1] == 137, v[2] == 137, v[3] == 137
* \endcode
*
* \see http://www.sgi.com/tech/stl/fill_n.html
* \see \c fill
* \see \c uninitialized_fill_n
*/
template<typename OutputIterator, typename Size, typename T>
OutputIterator fill_n(OutputIterator first,
Size n,
const T &value);
/*! \} // end filling
* \} // transformations
*/
} // end namespace thrust
#include <thrust/detail/fill.inl>