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This commit is contained in:
Guilhem Lavaux 2015-01-26 18:16:43 +01:00
parent e01d3d0331
commit 730185ff89
1 changed files with 41 additions and 32 deletions
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73
src/octTree.hpp
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@ -55,12 +55,20 @@ namespace CosmoTool
typedef octCoordType OctCoords[3];
template<class T = void>
struct OctCell
{
octPtr numberLeaves;
octPtr children[8];
T data;
};
template<typename T>
struct OctTree_defaultUpdater {
void operator()(T& d) { }
};
template<typename T_dataUpdater = OctTree_defaultUpdater<void>, class T = void>
class OctTree
{
public:
@ -103,9 +111,10 @@ namespace CosmoTool
protected:
T_dataUpdater updater;
const FCoordinates *particles;
octPtr numParticles;
OctCell *cells;
OctCell<T> *cells;
float Lbox;
octPtr lastNode;
octPtr numCells;
@ -128,47 +137,47 @@ namespace CosmoTool
FCoordinates center, realCenter;
for (int j = 0; j < 3; j++)
{
center[j] = icoord[j]/(2.*octCoordCenter);
realCenter[j] = xMin[j] + center[j]*lenNorm;
}
{
center[j] = icoord[j]/(2.*octCoordCenter);
realCenter[j] = xMin[j] + center[j]*lenNorm;
}
f(realCenter, cells[node].numberLeaves, lenNorm*halfNodeLength/(float)octCoordCenter,
cells[node].children[0] == invalidOctCell, // True if this is a meta-node
false);
cells[node].children[0] == invalidOctCell, // True if this is a meta-node
false);
if (!condition(realCenter, cells[node].numberLeaves,
lenNorm*halfNodeLength/(float)octCoordCenter,
cells[node].children[0] == invalidOctCell))
return;
return;
for (int i = 0; i < 8; i++)
{
octPtr newNode = cells[node].children[i];
int ipos[3] = { (i&1), (i&2)>>1, (i&4)>>2 };
if (newNode == emptyOctCell || newNode == invalidOctCell)
continue;
for (int j = 0; j < 3; j++)
newCoord[j] = icoord[j]+(2*ipos[j]-1)*halfNodeLength/2;
if (newNode & octParticleMarker)
{
for (int j = 0; j < 3; j++)
{
center[j] = newCoord[j]/(2.*octCoordCenter);
realCenter[j] = xMin[j] + lenNorm*center[j];
}
{
octPtr newNode = cells[node].children[i];
int ipos[3] = { (i&1), (i&2)>>1, (i&4)>>2 };
if (newNode == emptyOctCell || newNode == invalidOctCell)
continue;
for (int j = 0; j < 3; j++)
newCoord[j] = icoord[j]+(2*ipos[j]-1)*halfNodeLength/2;
if (newNode & octParticleMarker)
{
for (int j = 0; j < 3; j++)
{
center[j] = newCoord[j]/(2.*octCoordCenter);
realCenter[j] = xMin[j] + lenNorm*center[j];
}
f(realCenter,
1, lenNorm*halfNodeLength/(2.*octCoordCenter),
false, true);
continue;
}
f(realCenter,
1, lenNorm*halfNodeLength/(2.*octCoordCenter),
false, true);
continue;
}
walkTreeElements(f, condition, cells[node].children[i], newCoord, halfNodeLength/2);
}
walkTreeElements(f, condition, cells[node].children[i], newCoord, halfNodeLength/2);
}
}