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205 lines
7.1 KiB
205 lines
7.1 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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/*! \file fill.h |
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* \brief Fills a range with a constant value |
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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/execution_policy.h> |
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namespace thrust |
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{ |
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/*! \addtogroup transformations |
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* \addtogroup filling |
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* \ingroup transformations |
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* \{ |
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*/ |
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/*! \p fill assigns the value \p value to every element in |
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* the range <tt>[first, last)</tt>. That is, for every |
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* iterator \c i in <tt>[first, last)</tt>, it performs |
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* the assignment <tt>*i = value</tt>. |
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* |
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* The algorithm's execution is parallelized as determined by \p exec. |
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* |
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* \param exec The execution policy to use for parallelization. |
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* \param first The beginning of the sequence. |
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* \param last The end of the sequence. |
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* \param value The value to be copied. |
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* |
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* \tparam DerivedPolicy The name of the derived execution policy. |
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* \tparam ForwardIterator is a model of <a href="http://www.sgi.com/tech/stl/ForwardIterator.html">Forward Iterator</a>, |
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* and \p ForwardIterator is mutable. |
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* \tparam T is a model of <a href="http://www.sgi.com/tech/stl/Assignable.html">Assignable</a>, |
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* and \p T's \c value_type is convertible to \p ForwardIterator's \c value_type. |
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* |
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* The following code snippet demonstrates how to use \p fill to set a thrust::device_vector's |
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* elements to a given value using the \p thrust::device execution policy for parallelization: |
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* |
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* \code |
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* #include <thrust/fill.h> |
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* #include <thrust/device_vector.h> |
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* #include <thrust/execution_policy.h> |
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* ... |
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* thrust::device_vector<int> v(4); |
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* thrust::fill(thrust::device, v.begin(), v.end(), 137); |
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* |
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* // v[0] == 137, v[1] == 137, v[2] == 137, v[3] == 137 |
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* \endcode |
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* |
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* \see http://www.sgi.com/tech/stl/fill.html |
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* \see \c fill_n |
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* \see \c uninitialized_fill |
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*/ |
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template<typename DerivedPolicy, typename ForwardIterator, typename T> |
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void fill(const thrust::detail::execution_policy_base<DerivedPolicy> &exec, |
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ForwardIterator first, |
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ForwardIterator last, |
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const T &value); |
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/*! \p fill assigns the value \p value to every element in |
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* the range <tt>[first, last)</tt>. That is, for every |
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* iterator \c i in <tt>[first, last)</tt>, it performs |
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* the assignment <tt>*i = value</tt>. |
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* |
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* \param first The beginning of the sequence. |
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* \param last The end of the sequence. |
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* \param value The value to be copied. |
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* |
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* \tparam ForwardIterator is a model of <a href="http://www.sgi.com/tech/stl/ForwardIterator.html">Forward Iterator</a>, |
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* and \p ForwardIterator is mutable. |
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* \tparam T is a model of <a href="http://www.sgi.com/tech/stl/Assignable.html">Assignable</a>, |
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* and \p T's \c value_type is convertible to \p ForwardIterator's \c value_type. |
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* |
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* The following code snippet demonstrates how to use \p fill to set a thrust::device_vector's |
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* elements to a given value. |
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* |
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* \code |
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* #include <thrust/fill.h> |
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* #include <thrust/device_vector.h> |
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* ... |
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* thrust::device_vector<int> v(4); |
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* thrust::fill(v.begin(), v.end(), 137); |
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* |
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* // v[0] == 137, v[1] == 137, v[2] == 137, v[3] == 137 |
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* \endcode |
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* |
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* \see http://www.sgi.com/tech/stl/fill.html |
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* \see \c fill_n |
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* \see \c uninitialized_fill |
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*/ |
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template<typename ForwardIterator, typename T> |
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void fill(ForwardIterator first, |
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ForwardIterator last, |
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const T &value); |
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/*! \p fill_n assigns the value \p value to every element in |
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* the range <tt>[first, first+n)</tt>. That is, for every |
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* iterator \c i in <tt>[first, first+n)</tt>, it performs |
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* the assignment <tt>*i = value</tt>. |
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* |
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* The algorithm's execution is parallelized as determined by \p exec. |
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* |
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* \param exec The execution policy to use for parallelization. |
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* \param first The beginning of the sequence. |
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* \param n The size of the sequence. |
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* \param value The value to be copied. |
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* \return <tt>first + n</tt> |
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* |
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* \tparam DerivedPolicy The name of the derived execution policy. |
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* \tparam OutputIterator is a model of <a href="http://www.sgi.com/tech/stl/OutputIterator.html">Output Iterator</a>. |
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* \tparam T is a model of <a href="http://www.sgi.com/tech/stl/Assignable.html">Assignable</a>, |
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* and \p T's \c value_type is convertible to a type in \p OutputIterator's set of \c value_type. |
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* |
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* The following code snippet demonstrates how to use \p fill to set a thrust::device_vector's |
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* elements to a given value using the \p thrust::device execution policy for parallelization: |
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* |
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* \code |
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* #include <thrust/fill.h> |
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* #include <thrust/device_vector.h> |
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* #include <thrust/execution_policy.h> |
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* ... |
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* thrust::device_vector<int> v(4); |
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* thrust::fill_n(thrust::device, v.begin(), v.size(), 137); |
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* |
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* // v[0] == 137, v[1] == 137, v[2] == 137, v[3] == 137 |
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* \endcode |
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* |
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* \see http://www.sgi.com/tech/stl/fill_n.html |
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* \see \c fill |
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* \see \c uninitialized_fill_n |
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*/ |
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template<typename DerivedPolicy, typename OutputIterator, typename Size, typename T> |
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OutputIterator fill_n(const thrust::detail::execution_policy_base<DerivedPolicy> &exec, |
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OutputIterator first, |
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Size n, |
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const T &value); |
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/*! \p fill_n assigns the value \p value to every element in |
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* the range <tt>[first, first+n)</tt>. That is, for every |
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* iterator \c i in <tt>[first, first+n)</tt>, it performs |
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* the assignment <tt>*i = value</tt>. |
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* |
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* \param first The beginning of the sequence. |
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* \param n The size of the sequence. |
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* \param value The value to be copied. |
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* \return <tt>first + n</tt> |
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* |
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* \tparam OutputIterator is a model of <a href="http://www.sgi.com/tech/stl/OutputIterator.html">Output Iterator</a>. |
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* \tparam T is a model of <a href="http://www.sgi.com/tech/stl/Assignable.html">Assignable</a>, |
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* and \p T's \c value_type is convertible to a type in \p OutputIterator's set of \c value_type. |
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* |
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* The following code snippet demonstrates how to use \p fill to set a thrust::device_vector's |
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* elements to a given value. |
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* |
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* \code |
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* #include <thrust/fill.h> |
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* #include <thrust/device_vector.h> |
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* ... |
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* thrust::device_vector<int> v(4); |
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* thrust::fill_n(v.begin(), v.size(), 137); |
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* |
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* // v[0] == 137, v[1] == 137, v[2] == 137, v[3] == 137 |
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* \endcode |
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* |
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* \see http://www.sgi.com/tech/stl/fill_n.html |
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* \see \c fill |
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* \see \c uninitialized_fill_n |
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*/ |
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template<typename OutputIterator, typename Size, typename T> |
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OutputIterator fill_n(OutputIterator first, |
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Size n, |
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const T &value); |
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/*! \} // end filling |
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* \} // transformations |
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*/ |
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} // end namespace thrust |
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#include <thrust/detail/fill.inl> |
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