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quicksort

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This commit is contained in:
Joachim Schoeberl 2009-10-28 00:22:10 +00:00
parent 94a06d8cae
commit 20c2f2757e
3 changed files with 55 additions and 55 deletions
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12
libsrc/general/array.hpp
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@ -612,8 +612,8 @@ namespace netgen
template <class T, class S>
void QickSortRec (FlatArray<T> & data,
FlatArray<T> & slave,
void QuickSortRec (FlatArray<T> & data,
FlatArray<S> & slave,
int left, int right)
{
int i = left;
@ -633,14 +633,14 @@ namespace netgen
}
}
while (i <= j);
if (left < j) QickSortRec (data, slave, left, j);
if (i < right) QickSortRec (data, slave, i, right);
if (left < j) QuickSortRec (data, slave, left, j);
if (i < right) QuickSortRec (data, slave, i, right);
}
template <class T, class S>
void QickSort (FlatArray<T> & data, FlatArray<S> & slave)
void QuickSort (FlatArray<T> & data, FlatArray<S> & slave)
{
QickSortRec (data, slave, 0, data.Size()-1);
QuickSortRec (data, slave, 0, data.Size()-1);
}

24
libsrc/general/sort.cpp
View File

@ -16,9 +16,9 @@
namespace netgen
{
void Sort (const Array<double> & values,
void Sort (const Array<double> & values,
Array<int> & order)
{
{
int n = values.Size();
int i, j;
@ -32,13 +32,13 @@ void Sort (const Array<double> & values,
{
Swap (order.Elem(j), order.Elem(j+1));
}
}
}
void QickSortRec (const Array<double> & values,
void QuickSortRec (const Array<double> & values,
Array<int> & order,
int left, int right)
{
{
int i, j;
double midval;
@ -58,18 +58,18 @@ void QickSortRec (const Array<double> & values,
}
}
while (i <= j);
if (left < j) QickSortRec (values, order, left, j);
if (i < right) QickSortRec (values, order, i, right);
}
if (left < j) QuickSortRec (values, order, left, j);
if (i < right) QuickSortRec (values, order, i, right);
}
void QickSort (const Array<double> & values,
void QuickSort (const Array<double> & values,
Array<int> & order)
{
{
int i, n = values.Size();
order.SetSize (n);
for (i = 1; i <= n; i++)
order.Elem(i) = i;
QickSortRec (values, order, 1, order.Size());
}
QuickSortRec (values, order, 1, order.Size());
}
}

2
libsrc/general/sort.hpp
View File

@ -14,7 +14,7 @@ namespace netgen
extern void Sort (const Array<double> & values,
Array<int> & order);
extern void QickSort (const Array<double> & values,
extern void QuickSort (const Array<double> & values,
Array<int> & order);