Added samples

sample/testSmooth.cpp

@@ -0,0 +1,68 @@
+#include <iostream>
+#include "sphSmooth.hpp"
+#include "yorick.hpp"
+#include "mykdtree.hpp"
+
+using namespace std;
+using namespace CosmoTool;
+
+#define NX 1024
+#define ND 2
+
+typedef SPHSmooth<char,ND> MySmooth;
+typedef MySmooth::SPHTree MyTree;
+typedef MySmooth::SPHNode MyNode;
+typedef MySmooth::SPHCell MyCell;
+
+double unit_fun(const char& c)
+{
+  return 1.0;
+}
+
+int main()
+{
+  uint32_t Ncells = 10000;
+  MyCell *cells = new MyCell[Ncells];
+  
+  for (int i = 0; i < Ncells; i++)
+    {
+      cells[i].active = true;
+      for (int l = 0; l < ND; l++)
+	cells[i].coord[l] = drand48();
+      cells[i].val.weight = 0;
+    }
+  
+  MyTree tree(cells, Ncells);
+  MySmooth smooth(&tree, 16);
+
+  for (uint32_t iy = 0; iy < NX; iy++)
+    {
+      cout << "iy=" << iy << endl;
+      for (uint32_t ix = 0; ix < NX; ix++)
+        {
+           MyTree::coords c = { 1.0*ix/NX, 1.0*iy/NX };
+           smooth.fetchNeighbours(c);
+           smooth.addGridSite(c);
+        }
+    }
+
+  
+  uint32_t dims[] = { NX, NX };
+  ProgressiveOutput<ComputePrecision> out = 
+    ProgressiveOutput<ComputePrecision>::saveArrayProgressive("out.nc", dims, 2);
+  for (uint32_t iy = 0; iy < NX; iy++)
+    {
+      cout << "iy=" << iy << endl;
+      for (uint32_t ix = 0; ix < NX; ix++)
+        {
+           MyTree::coords c = { 1.0*ix/NX, 1.0*iy/NX };
+           smooth.fetchNeighbours(c);
+           out.put(smooth.computeSmoothedValue(c, unit_fun));
+
+	  
+        }
+    }
+
+
+  return 0;
+}