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/**************************************************************************/
/* File: table.cpp */
/* Author: Joachim Schoeberl */
/* Date: 25. Mar. 2000 */
/**************************************************************************/
/*
Abstract data type Table
*/
#include "table.hpp"
namespace ngcore
{
template <typename TI>
size_t * TablePrefixSum2 (FlatArray<TI> entrysize)
{
size_t size = entrysize.Size();
size_t * index = new size_t[size+1];
if (entrysize.Size() < 100)
{
size_t mysum = 0;
for (size_t i = 0; i < entrysize.Size(); i++)
{
index[i] = mysum;
mysum += entrysize[i];
}
index[entrysize.Size()] = mysum;
return index;
}
Array<size_t> partial_sums(TaskManager::GetNumThreads()+1);
partial_sums[0] = 0;
ParallelJob
([&] (TaskInfo ti)
{
IntRange r = IntRange(size).Split(ti.task_nr, ti.ntasks);
size_t mysum = 0;
for (size_t i : r)
mysum += entrysize[i];
partial_sums[ti.task_nr+1] = mysum;
});
for (size_t i = 1; i < partial_sums.Size(); i++)
partial_sums[i] += partial_sums[i-1];
ParallelJob
([&] (TaskInfo ti)
{
IntRange r = IntRange(size).Split(ti.task_nr, ti.ntasks);
size_t mysum = partial_sums[ti.task_nr];
for (size_t i : r)
{
index[i] = mysum;
mysum += entrysize[i];
}
});
index[size] = partial_sums.Last();
return index;
}
NGCORE_API size_t * TablePrefixSum32 (FlatArray<uint32_t> entrysize)
{ return TablePrefixSum2 (entrysize); }
NGCORE_API size_t * TablePrefixSum64 (FlatArray<uint64_t> entrysize)
{ return TablePrefixSum2 (entrysize); }
/*
BaseDynamicTable :: BaseDynamicTable (int size)
: data(size)
{
for (int i = 0; i < size; i++)
{
data[i].maxsize = 0;
data[i].size = 0;
data[i].col = NULL;
}
oneblock = NULL;
}
BaseDynamicTable :: BaseDynamicTable (const Array<int> & entrysizes, int elemsize)
: data(entrysizes.Size())
{
int cnt = 0;
int n = entrysizes.Size();
for (int i = 0; i < n; i++)
cnt += entrysizes[i];
oneblock = new char[elemsize * cnt];
cnt = 0;
for (int i = 0; i < n; i++)
{
data[i].maxsize = entrysizes[i];
data[i].size = 0;
data[i].col = &oneblock[elemsize * cnt];
cnt += entrysizes[i];
}
}
BaseDynamicTable :: ~BaseDynamicTable ()
{
if (oneblock)
delete [] oneblock;
else
for (int i = 0; i < data.Size(); i++)
delete [] static_cast<char*> (data[i].col);
}
void BaseDynamicTable :: SetSize (int size)
{
for (int i = 0; i < data.Size(); i++)
delete [] static_cast<char*> (data[i].col);
data.SetSize(size);
for (int i = 0; i < size; i++)
{
data[i].maxsize = 0;
data[i].size = 0;
data[i].col = NULL;
}
}
void BaseDynamicTable :: IncSize (IndexType i, int elsize)
{
if (i < 0 || i >= data.Size())
{
std::cerr << "BaseDynamicTable::Inc: Out of range, i = " << i << ", size = " << data.Size() << std::endl;
return;
}
linestruct & line = data[i];
if (line.size == line.maxsize)
{
void * p = new char [(2*line.maxsize+5) * elsize];
memcpy (p, line.col, line.maxsize * elsize);
delete [] static_cast<char*> (line.col);
line.col = p;
line.maxsize = 2*line.maxsize+5;
}
line.size++;
}
void BaseDynamicTable :: DecSize (IndexType i)
{
if (i < 0 || i >= data.Size())
{
std::cerr << "BaseDynamicTable::Dec: Out of range" << std::endl;
return;
}
linestruct & line = data[i];
if (line.size == 0)
{
std::cerr << "BaseDynamicTable::Dec: EntrySize < 0" << std::endl;
return;
}
line.size--;
}
*/
void FilteredTableCreator::Add (size_t blocknr, int data)
{
if (!takedofs||takedofs->Test(data))
TableCreator<int>::Add(blocknr,data);
}
void FilteredTableCreator::Add (size_t blocknr, IntRange range)
{
for (size_t i=range.First(); i<range.Next();i++)
if (!takedofs||takedofs->Test(i))
TableCreator<int>::Add(blocknr,i);
}
void FilteredTableCreator::Add (size_t blocknr, FlatArray<int> dofs)
{
for (size_t i = 0; i < dofs.Size(); i++)
if (!takedofs||takedofs->Test(dofs[i]))
TableCreator<int>::Add(blocknr,dofs[i]);
}
} // namespace ngcore
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