GOSTcoin support for ccminer CUDA miner project, compatible with most nvidia cards
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.
 
 
 
 
 

238 lines
8.4 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.
*/
#include <thrust/detail/config.h>
#include <thrust/system/detail/generic/partition.h>
#include <thrust/iterator/iterator_traits.h>
#include <thrust/pair.h>
#include <thrust/remove.h>
#include <thrust/count.h>
#include <thrust/advance.h>
#include <thrust/partition.h>
#include <thrust/sort.h>
#include <thrust/iterator/transform_iterator.h>
#include <thrust/detail/internal_functional.h>
#include <thrust/detail/temporary_array.h>
namespace thrust
{
namespace system
{
namespace detail
{
namespace generic
{
template<typename DerivedPolicy,
typename ForwardIterator,
typename Predicate>
ForwardIterator stable_partition(thrust::execution_policy<DerivedPolicy> &exec,
ForwardIterator first,
ForwardIterator last,
Predicate pred)
{
typedef typename thrust::iterator_traits<ForwardIterator>::value_type InputType;
// copy input to temp buffer
thrust::detail::temporary_array<InputType,DerivedPolicy> temp(exec, first, last);
// count the size of the true partition
typename thrust::iterator_difference<ForwardIterator>::type num_true = thrust::count_if(exec, first,last,pred);
// point to the beginning of the false partition
ForwardIterator out_false = first;
thrust::advance(out_false, num_true);
return thrust::stable_partition_copy(exec, temp.begin(), temp.end(), first, out_false, pred).first;
} // end stable_partition()
template<typename DerivedPolicy,
typename ForwardIterator,
typename InputIterator,
typename Predicate>
ForwardIterator stable_partition(thrust::execution_policy<DerivedPolicy> &exec,
ForwardIterator first,
ForwardIterator last,
InputIterator stencil,
Predicate pred)
{
typedef typename thrust::iterator_traits<ForwardIterator>::value_type InputType;
// copy input to temp buffer
thrust::detail::temporary_array<InputType,DerivedPolicy> temp(exec, first, last);
// count the size of the true partition
InputIterator stencil_last = stencil;
thrust::advance(stencil_last, temp.size());
typename thrust::iterator_difference<InputIterator>::type num_true = thrust::count_if(exec, stencil, stencil_last, pred);
// point to the beginning of the false partition
ForwardIterator out_false = first;
thrust::advance(out_false, num_true);
return thrust::stable_partition_copy(exec, temp.begin(), temp.end(), stencil, first, out_false, pred).first;
} // end stable_partition()
template<typename DerivedPolicy,
typename InputIterator,
typename OutputIterator1,
typename OutputIterator2,
typename Predicate>
thrust::pair<OutputIterator1,OutputIterator2>
stable_partition_copy(thrust::execution_policy<DerivedPolicy> &exec,
InputIterator first,
InputIterator last,
OutputIterator1 out_true,
OutputIterator2 out_false,
Predicate pred)
{
thrust::detail::unary_negate<Predicate> not_pred(pred);
// remove_copy_if the true partition to out_true
OutputIterator1 end_of_true_partition = thrust::remove_copy_if(exec, first, last, out_true, not_pred);
// remove_copy_if the false partition to out_false
OutputIterator2 end_of_false_partition = thrust::remove_copy_if(exec, first, last, out_false, pred);
return thrust::make_pair(end_of_true_partition, end_of_false_partition);
} // end stable_partition_copy()
template<typename DerivedPolicy,
typename InputIterator1,
typename InputIterator2,
typename OutputIterator1,
typename OutputIterator2,
typename Predicate>
thrust::pair<OutputIterator1,OutputIterator2>
stable_partition_copy(thrust::execution_policy<DerivedPolicy> &exec,
InputIterator1 first,
InputIterator1 last,
InputIterator2 stencil,
OutputIterator1 out_true,
OutputIterator2 out_false,
Predicate pred)
{
thrust::detail::unary_negate<Predicate> not_pred(pred);
// remove_copy_if the true partition to out_true
OutputIterator1 end_of_true_partition = thrust::remove_copy_if(exec, first, last, stencil, out_true, not_pred);
// remove_copy_if the false partition to out_false
OutputIterator2 end_of_false_partition = thrust::remove_copy_if(exec, first, last, stencil, out_false, pred);
return thrust::make_pair(end_of_true_partition, end_of_false_partition);
} // end stable_partition_copy()
template<typename DerivedPolicy,
typename ForwardIterator,
typename Predicate>
ForwardIterator partition(thrust::execution_policy<DerivedPolicy> &exec,
ForwardIterator first,
ForwardIterator last,
Predicate pred)
{
return thrust::stable_partition(exec, first, last, pred);
} // end partition()
template<typename DerivedPolicy,
typename ForwardIterator,
typename InputIterator,
typename Predicate>
ForwardIterator partition(thrust::execution_policy<DerivedPolicy> &exec,
ForwardIterator first,
ForwardIterator last,
InputIterator stencil,
Predicate pred)
{
return thrust::stable_partition(exec, first, last, stencil, pred);
} // end partition()
template<typename DerivedPolicy,
typename InputIterator,
typename OutputIterator1,
typename OutputIterator2,
typename Predicate>
thrust::pair<OutputIterator1,OutputIterator2>
partition_copy(thrust::execution_policy<DerivedPolicy> &exec,
InputIterator first,
InputIterator last,
OutputIterator1 out_true,
OutputIterator2 out_false,
Predicate pred)
{
return thrust::stable_partition_copy(exec,first,last,out_true,out_false,pred);
} // end partition_copy()
template<typename DerivedPolicy,
typename InputIterator1,
typename InputIterator2,
typename OutputIterator1,
typename OutputIterator2,
typename Predicate>
thrust::pair<OutputIterator1,OutputIterator2>
partition_copy(thrust::execution_policy<DerivedPolicy> &exec,
InputIterator1 first,
InputIterator1 last,
InputIterator2 stencil,
OutputIterator1 out_true,
OutputIterator2 out_false,
Predicate pred)
{
return thrust::stable_partition_copy(exec,first,last,stencil,out_true,out_false,pred);
} // end partition_copy()
template<typename DerivedPolicy,
typename ForwardIterator,
typename Predicate>
ForwardIterator partition_point(thrust::execution_policy<DerivedPolicy> &exec,
ForwardIterator first,
ForwardIterator last,
Predicate pred)
{
return thrust::find_if_not(exec, first, last, pred);
} // end partition_point()
template<typename DerivedPolicy,
typename InputIterator,
typename Predicate>
bool is_partitioned(thrust::execution_policy<DerivedPolicy> &exec,
InputIterator first,
InputIterator last,
Predicate pred)
{
return thrust::is_sorted(exec,
thrust::make_transform_iterator(first, thrust::detail::not1(pred)),
thrust::make_transform_iterator(last, thrust::detail::not1(pred)));
} // end is_partitioned()
} // end namespace generic
} // end namespace detail
} // end namespace system
} // end namespace thrust