You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
73 lines
2.1 KiB
73 lines
2.1 KiB
/* |
|
* 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 advance.h |
|
* \brief Advance an iterator by a given distance. |
|
*/ |
|
|
|
#pragma once |
|
|
|
#include <thrust/detail/config.h> |
|
|
|
namespace thrust |
|
{ |
|
|
|
|
|
/*! \addtogroup iterators |
|
* \{ |
|
*/ |
|
|
|
/*! \p advance(i, n) increments the iterator \p i by the distance \p n. |
|
* If <tt>n > 0</tt> it is equivalent to executing <tt>++i</tt> \p n |
|
* times, and if <tt>n < 0</tt> it is equivalent to executing <tt>--i</tt> |
|
* \p n times. If <tt>n == 0</tt>, the call has no effect. |
|
* |
|
* \param i The iterator to be advanced. |
|
* \param n The distance by which to advance the iterator. |
|
* |
|
* \tparam InputIterator is a model of <a href="http://www.sgi.com/tech/stl/InputIterator.html">Input Iterator</a>. |
|
* \tparam Distance is an integral type that is convertible to \p InputIterator's distance type. |
|
* |
|
* \pre \p n shall be negative only for bidirectional and random access iterators. |
|
* |
|
* The following code snippet demonstrates how to use \p advance to increment |
|
* an iterator a given number of times. |
|
* |
|
* \code |
|
* #include <thrust/advance.h> |
|
* #include <thrust/device_vector.h> |
|
* ... |
|
* thrust::device_vector<int> vec(13); |
|
* thrust::device_vector<int>::iterator iter = vec.begin(); |
|
* |
|
* thrust::advance(iter, 7); |
|
* |
|
* // iter - vec.begin() == 7 |
|
* \endcode |
|
* |
|
* \see http://www.sgi.com/tech/stl/advance.html |
|
*/ |
|
template <typename InputIterator, typename Distance> |
|
void advance(InputIterator& i, Distance n); |
|
|
|
/*! \} // end iterators |
|
*/ |
|
|
|
} // end thrust |
|
|
|
#include <thrust/detail/advance.inl> |
|
|
|
|