Introduced tensorial physical value, potential and force (through...

Introduced tensorial physical value, potential and force (through templatization of P2PParticleContainer with dimensions NRHS and NLHS, default NRHS=NLHS=1). ChebTensorial kernel does not support this yet (TODO apply same modif on ChebInterpolator).

Src/Kernels/P2P/FP2PParticleContainer.hpp

@@ -18,48 +18,49 @@
 
 #include "../../Components/FBasicParticleContainer.hpp"
 
-class FP2PParticleContainer : public FBasicParticleContainer<5> {
-    typedef FBasicParticleContainer<5> Parent;
+template<int NRHS = 1, int NLHS = 1>
+class FP2PParticleContainer : public FBasicParticleContainer<NRHS+4*NLHS> {
+    typedef FBasicParticleContainer<NRHS+4*NLHS> Parent;
 
 public:
-    FReal* getPhysicalValues(){
-        return Parent::getAttribute<0>();
+    FReal* getPhysicalValues(const int idxRhs = 0){
+        return Parent::getAttribute(0+idxRhs);
     }
 
-    const FReal* getPhysicalValues() const {
-        return Parent::getAttribute<0>();
+    const FReal* getPhysicalValues(const int idxRhs = 0) const {
+        return Parent::getAttribute(0+idxRhs);
     }
 
-    FReal* getPotentials(){
-        return Parent::getAttribute<1>();
+    FReal* getPotentials(const int idxLhs = 0){
+        return Parent::getAttribute(NRHS+idxLhs);
     }
 
-    const FReal* getPotentials() const {
-        return Parent::getAttribute<1>();
+    const FReal* getPotentials(const int idxLhs = 0) const {
+        return Parent::getAttribute(NRHS+idxLhs);
     }
 
-    FReal* getForcesX(){
-        return Parent::getAttribute<2>();
+    FReal* getForcesX(const int idxLhs = 0){
+        return Parent::getAttribute(NRHS+NLHS+idxLhs);
     }
 
-    const FReal* getForcesX() const {
-        return Parent::getAttribute<2>();
+    const FReal* getForcesX(const int idxLhs = 0) const {
+        return Parent::getAttribute(NRHS+NLHS+idxLhs);
     }
 
-    FReal* getForcesY(){
-        return Parent::getAttribute<3>();
+    FReal* getForcesY(const int idxLhs = 0){
+        return Parent::getAttribute(NRHS+2*NLHS+idxLhs);
     }
 
-    const FReal* getForcesY() const {
-        return Parent::getAttribute<3>();
+    const FReal* getForcesY(const int idxLhs = 0) const {
+        return Parent::getAttribute(NRHS+2*NLHS+idxLhs);
     }
 
-    FReal* getForcesZ(){
-        return Parent::getAttribute<4>();
+    FReal* getForcesZ(const int idxLhs = 0){
+        return Parent::getAttribute(NRHS+3*NLHS+idxLhs);
     }
 
-    const FReal* getForcesZ() const {
-        return Parent::getAttribute<4>();
+    const FReal* getForcesZ(const int idxLhs = 0) const {
+        return Parent::getAttribute(NRHS+3*NLHS+idxLhs);
     }
 };
 

Src/Kernels/P2P/FP2PParticleContainerIndexed.hpp

@@ -6,8 +6,9 @@
 #include "FP2PParticleContainer.hpp"
 #include "../../Components/FParticleType.hpp"
 
-class FP2PParticleContainerIndexed : public FP2PParticleContainer {
-    typedef FP2PParticleContainer Parent;
+template<int NRHS = 1, int NLHS = 1>
+class FP2PParticleContainerIndexed : public FP2PParticleContainer<NRHS,NLHS> {
+    typedef FP2PParticleContainer<NRHS,NLHS> Parent;
 
     FVector<int> indexes;
 

Src/Kernels/Uniform/FUnifInterpolator.hpp

@@ -362,14 +362,13 @@ inline void FUnifInterpolator<ORDER,MatrixKernelClass>::applyP2M(const FPoint& c
                                                                  const ContainerClass *const inParticles) const
 {
   // set all multipole expansions to zero
-  FBlas::setzero(/*nRhs**/nnodes, multipoleExpansion);
+  FBlas::setzero(nRhs*nnodes, multipoleExpansion);
 
   // allocate stuff
   const map_glob_loc map(center, width);
   FPoint localPosition;
 
   // loop over source particles
-  const FReal*const physicalValues = inParticles->getPhysicalValues();  // PB: TODO add multidim PhysVal
   const FReal*const positionsX = inParticles->getPositions()[0];
   const FReal*const positionsY = inParticles->getPositions()[1];
   const FReal*const positionsZ = inParticles->getPositions()[2];
@@ -385,24 +384,24 @@ inline void FUnifInterpolator<ORDER,MatrixKernelClass>::applyP2M(const FPoint& c
       L_of_x[o][2] = BasisType::L(o, localPosition.getZ()); // 3 * ORDER*(ORDER-1) flops
     }
 
-//    // PB: More optimal version where the sum over Lhs/Rhs is done inside applyL2P/P2M
-//    // this avoids nLhs/nRhs evaluations of the same interpolating polynomials
-//    for(int idxRhs = 0 ; idxRhs < nRhs ; ++idxRhs){
+    for(int idxRhs = 0 ; idxRhs < nRhs ; ++idxRhs){
 
       // read physicalValue
-      const FReal weight = physicalValues[idxPart/*+idxRhs*nParticles*/]; //PB: TODO select next compo
+      const FReal*const physicalValues = inParticles->getPhysicalValues(idxRhs);
+      // compute weight
+      const FReal weight = physicalValues[idxPart];
 
       // assemble multipole expansions
       for (unsigned int i=0; i<ORDER; ++i) {
         for (unsigned int j=0; j<ORDER; ++j) {
           for (unsigned int k=0; k<ORDER; ++k) {
-            const unsigned int idx = /*idxRhs*nnodes +*/ k*ORDER*ORDER + j*ORDER + i;
+            const unsigned int idx = idxRhs*nnodes + k*ORDER*ORDER + j*ORDER + i;
             multipoleExpansion[idx] += L_of_x[i][0] * L_of_x[j][1] * L_of_x[k][2] * weight; // 3 * ORDER*ORDER*ORDER flops
           }
         }
       }
 
-//    } // idxRhs
+    } // idxRhs
 
   } // flops: N * (3 * ORDER*ORDER*ORDER + 3 * 3 * ORDER*(ORDER-1)) flops
 
@@ -423,11 +422,9 @@ inline void FUnifInterpolator<ORDER,MatrixKernelClass>::applyL2P(const FPoint& c
   const map_glob_loc map(center, width);
   FPoint localPosition;
 
-  //const FReal*const physicalValues = inParticles->getPhysicalValues();
   const FReal*const positionsX = inParticles->getPositions()[0];
   const FReal*const positionsY = inParticles->getPositions()[1];
   const FReal*const positionsZ = inParticles->getPositions()[2];
-  FReal*const potentials = inParticles->getPotentials();
 
   const unsigned int nParticles = inParticles->getNbParticles();
 
@@ -444,9 +441,7 @@ inline void FUnifInterpolator<ORDER,MatrixKernelClass>::applyL2P(const FPoint& c
       L_of_x[o][2] = BasisType::L(o, localPosition.getZ()); // 3 * ORDER*(ORDER-1) flops
     }
 
-//    // PB: More optimal version where the sum over Lhs/Rhs is done inside applyL2P/P2M
-//    // this avoid nLhs/nRhs evaluations of the same interpolating polynomials
-//    for(int idxLhs = 0 ; idxLhs < nLhs ; ++idxLhs){
+    for(int idxLhs = 0 ; idxLhs < nLhs ; ++idxLhs){
 
       // interpolate and increment target value
       FReal targetValue=0.;
@@ -454,7 +449,7 @@ inline void FUnifInterpolator<ORDER,MatrixKernelClass>::applyL2P(const FPoint& c
         for (unsigned int l=0; l<ORDER; ++l) {
           for (unsigned int m=0; m<ORDER; ++m) {
             for (unsigned int n=0; n<ORDER; ++n) {
-              const unsigned int idx = /*idxLhs*nnodes +*/ n*ORDER*ORDER + m*ORDER + l;
+              const unsigned int idx = idxLhs*nnodes + n*ORDER*ORDER + m*ORDER + l;
               targetValue +=
                 L_of_x[l][0] * L_of_x[m][1] * L_of_x[n][2] * localExpansion[idx];
             } // ORDER * 4 flops
@@ -462,10 +457,12 @@ inline void FUnifInterpolator<ORDER,MatrixKernelClass>::applyL2P(const FPoint& c
         } // ORDER * ORDER * ORDER * 4 flops
       }
 
-      // set potential
-      potentials[idxPart/*+idxLhs*nParticles*/] += (targetValue);
+      // get potential
+      FReal*const potentials = inParticles->getPotentials(idxLhs);
+      // add contribution to potential
+      potentials[idxPart] += (targetValue);
 
-//    } // idxLhs
+    } // idxLhs
 
   } // N * (4 * ORDER * ORDER * ORDER + 9 * ORDER*(ORDER-1) ) flops
 }
@@ -495,14 +492,9 @@ inline void FUnifInterpolator<ORDER,MatrixKernelClass>::applyL2PGradient(const F
   FReal L_of_x[ORDER][3];
   FReal dL_of_x[ORDER][3];
 
-  const FReal*const physicalValues = inParticles->getPhysicalValues();
   const FReal*const positionsX = inParticles->getPositions()[0];
   const FReal*const positionsY = inParticles->getPositions()[1];
   const FReal*const positionsZ = inParticles->getPositions()[2];
-  FReal*const forcesX = inParticles->getForcesX();
-  FReal*const forcesY = inParticles->getForcesY();
-  FReal*const forcesZ = inParticles->getForcesZ();
-  //FReal*const potentials = inParticles->getPotentials();
 
 //  const unsigned int nParticles = inParticles->getNbParticles();
 
@@ -521,9 +513,7 @@ inline void FUnifInterpolator<ORDER,MatrixKernelClass>::applyL2PGradient(const F
       dL_of_x[o][2] = BasisType::dL(o, localPosition.getZ()); // TODO verify 3 * ORDER*(ORDER-1) flops
     }
 
-//    // PB: More optimal version where the sum over Lhs/Rhs is done inside applyL2P/P2M
-//    // this avoid nLhs/nLhs evaluations of the same interpolating polynomials
-//    for(int idxLhs = 0 ; idxLhs < nLhs ; ++idxLhs){
+    for(int idxLhs = 0 ; idxLhs < nLhs ; ++idxLhs){
 
       // interpolate and increment forces value
       FReal forces[3] = {FReal(0.), FReal(0.), FReal(0.)};
@@ -531,7 +521,7 @@ inline void FUnifInterpolator<ORDER,MatrixKernelClass>::applyL2PGradient(const F
         for (unsigned int l=0; l<ORDER; ++l) {
           for (unsigned int m=0; m<ORDER; ++m) {
             for (unsigned int n=0; n<ORDER; ++n) {
-              const unsigned int idx = /*idxLhs*nnodes +*/ n*ORDER*ORDER + m*ORDER + l;
+              const unsigned int idx = idxLhs*nnodes + n*ORDER*ORDER + m*ORDER + l;
               forces[0] +=
                 dL_of_x[l][0] * L_of_x[m][1] * L_of_x[n][2] * localExpansion[idx];
               forces[1] +=
@@ -545,19 +535,23 @@ inline void FUnifInterpolator<ORDER,MatrixKernelClass>::applyL2PGradient(const F
 
 
         // scale forces
-        forces[0] *= jacobian[0];// / nnodes;
-        forces[1] *= jacobian[1];// / nnodes;
-        forces[2] *= jacobian[2];// / nnodes;
+        forces[0] *= jacobian[0];
+        forces[1] *= jacobian[1];
+        forces[2] *= jacobian[2];
       }
 
+      const FReal*const physicalValues = inParticles->getPhysicalValues(idxLhs);
+      FReal*const forcesX = inParticles->getForcesX(idxLhs);
+      FReal*const forcesY = inParticles->getForcesY(idxLhs);
+      FReal*const forcesZ = inParticles->getForcesZ(idxLhs);
+
       // set computed forces
-      // const unsigned int idx = idxPart+idxLhs*nParticles
-      forcesX[idxPart] += forces[0] * physicalValues[idxPart]; //PB: TODO update next compo
-      forcesY[idxPart] += forces[1] * physicalValues[idxPart]; //PB: TODO update next compo
-      forcesZ[idxPart] += forces[2] * physicalValues[idxPart]; //PB: TODO update next compo
-    }
+      forcesX[idxPart] += forces[0] * physicalValues[idxPart];
+      forcesY[idxPart] += forces[1] * physicalValues[idxPart];
+      forcesZ[idxPart] += forces[2] * physicalValues[idxPart];
+    }// idxLhs
 
-//  }// idxLhs
+  }
 
 }
 

Src/Kernels/Uniform/FUnifTensorialKernel.hpp

@@ -41,11 +41,8 @@ class FTreeCoordinate;
  * 1) Handling tensorial kernels (DIM,NRHS,NLHS) and having multiple rhs (NVALS) 
  * are considered 2 separate features and are currently combined.
  *
- * 2) The present tensorial version is the most naive one. All tensorial aspects 
- * are handled in the kernel. A more optimal version would be to consider looping 
- * over nRhs/nLhs inside Interpolator::applyP2M/L2P in order to avoid extra 
- * evaluation of the interpolating polynomials. When it comes to applying M2L it is 
- * NOT much faster to loop over NRHSxNLHS inside applyM2L (at least for the Lagrange case)
+ * 2) When it comes to applying M2L it is NOT much faster to loop over NRHSxNLHS 
+ * inside applyM2L (at least for the Lagrange case).
  * 2-bis) The evaluation of the kernel matrix (see M2LHandler) should be done at once 
  * instead of compo-by-compo (TODO). On the other hand, the ChebyshevSym tensorial kernel 
  * requires the matrix kernel to be evaluated compo-by-compo since we currently use a scalar ACA.
@@ -102,15 +99,17 @@ public:
            const ContainerClass* const SourceParticles)
   {
     const FPoint LeafCellCenter(AbstractBaseClass::getLeafCellCenter(LeafCell->getCoordinate())); 
+
     for(int idxV = 0 ; idxV < NVALS ; ++idxV){
+
+      // 1) apply Sy
+      AbstractBaseClass::Interpolator->applyP2M(LeafCellCenter, AbstractBaseClass::BoxWidthLeaf,
+                                                LeafCell->getMultipole(idxV*nRhs), SourceParticles);
+
       for(int idxRhs = 0 ; idxRhs < nRhs ; ++idxRhs){
         // update multipole index
         int idxMul = idxV*nRhs + idxRhs;
 
-        // 1) apply Sy
-        AbstractBaseClass::Interpolator->applyP2M(LeafCellCenter, AbstractBaseClass::BoxWidthLeaf,
-                                                  LeafCell->getMultipole(idxMul), SourceParticles);
-
         // 2) apply Discrete Fourier Transform
         M2LHandler->applyZeroPaddingAndDFT(LeafCell->getMultipole(idxMul), 
                                            LeafCell->getTransformedMultipole(idxMul));
@@ -211,15 +210,16 @@ public:
         M2LHandler->unapplyZeroPaddingAndDFT(LeafCell->getTransformedLocal(idxLoc), 
                                              const_cast<CellClass*>(LeafCell)->getLocal(idxLoc));
 
-        // 2.a) apply Sx
-        AbstractBaseClass::Interpolator->applyL2P(LeafCellCenter, AbstractBaseClass::BoxWidthLeaf,
-                                                  LeafCell->getLocal(idxLoc), TargetParticles);
+      }
+
+      // 2.a) apply Sx
+      AbstractBaseClass::Interpolator->applyL2P(LeafCellCenter, AbstractBaseClass::BoxWidthLeaf,
+                                                LeafCell->getLocal(idxV*nLhs), TargetParticles);
 
-        // 2.b) apply Px (grad Sx)
-        AbstractBaseClass::Interpolator->applyL2PGradient(LeafCellCenter, AbstractBaseClass::BoxWidthLeaf,
-                                                          LeafCell->getLocal(idxLoc), TargetParticles);
+      // 2.b) apply Px (grad Sx)
+      AbstractBaseClass::Interpolator->applyL2PGradient(LeafCellCenter, AbstractBaseClass::BoxWidthLeaf,
+                                                        LeafCell->getLocal(idxV*nLhs), TargetParticles);
 
-      }
     }// NVALS
   }
 

Tests/Kernels/testChebAlgorithm.cpp

@@ -124,7 +124,7 @@ int main(int argc, char* argv[])
     const unsigned int ORDER = 7;
     const FReal epsilon = FReal(1e-7);
     // typedefs
-    typedef FP2PParticleContainerIndexed ContainerClass;
+    typedef FP2PParticleContainerIndexed<> ContainerClass;
     typedef FSimpleLeaf< ContainerClass >  LeafClass;
     //typedef FInterpMatrixKernelLJ MatrixKernelClass;
     typedef FInterpMatrixKernelR MatrixKernelClass;

Tests/Kernels/testChebAlgorithmProc.cpp

@@ -58,7 +58,7 @@ int main(int argc, char* argv[])
   const unsigned int ORDER = 7;
   const FReal epsilon = FReal(1e-7);
 
-  typedef FP2PParticleContainerIndexed ContainerClass;
+  typedef FP2PParticleContainerIndexed<> ContainerClass;
   typedef FSimpleLeaf< ContainerClass >  LeafClass;
 
   typedef FInterpMatrixKernelR MatrixKernelClass;

Tests/Kernels/testChebTensorialAlgorithm.cpp

@@ -66,12 +66,23 @@ int main(int argc, char* argv[])
     // init timer
     FTic time;
 
+  // typedefs
+//  typedef FInterpMatrixKernelLJ MatrixKernelClass;
+//    typedef FInterpMatrixKernelR MatrixKernelClass;
+//    typedef FInterpMatrixKernel_R_IJ MatrixKernelClass; // not working with Non-Symmetric variant ! Because of UCB decomposition.
+                                                          // and not working either with Symmetric variant because not symmetric... 
+  typedef FInterpMatrixKernel_IOR MatrixKernelClass;
+
+//  const KERNEL_FUNCTION_IDENTIFIER MK_ID = MatrixKernelClass::Identifier;
+  const unsigned int NRHS = MatrixKernelClass::NRHS;
+  const unsigned int NLHS = MatrixKernelClass::NLHS;
+
   // init particles position and physical value
   struct TestParticle{
     FPoint position;
-    FReal forces[3];
-    FReal physicalValue;
-    FReal potential;
+    FReal forces[3][NLHS];
+    FReal physicalValue[NRHS];
+    FReal potential[NLHS];
   };
 
   // open particle file
@@ -85,11 +96,14 @@ int main(int argc, char* argv[])
     loader.fillParticle(&position,&physicalValue);
     // get copy
     particles[idxPart].position       = position;
-    particles[idxPart].physicalValue  = physicalValue;
-    particles[idxPart].potential      = 0.0;
-    particles[idxPart].forces[0]      = 0.0;
-    particles[idxPart].forces[1]      = 0.0;
-    particles[idxPart].forces[2]      = 0.0;
+    for(unsigned idxRhs = 0; idxRhs<NRHS;++idxRhs)
+      particles[idxPart].physicalValue[idxRhs]  = physicalValue;
+    for(unsigned idxLhs = 0; idxLhs<NLHS;++idxLhs){
+      particles[idxPart].potential[idxLhs]      = 0.0;
+      particles[idxPart].forces[0][idxLhs]      = 0.0;
+      particles[idxPart].forces[1][idxLhs]      = 0.0;
+      particles[idxPart].forces[2][idxLhs]      = 0.0;
+    }
   }
 
   ////////////////////////////////////////////////////////////////////
@@ -110,12 +124,12 @@ int main(int argc, char* argv[])
 //                                &particles[idxOther].forces[2], &particles[idxOther].potential);
           FP2P::MutualParticlesIOR(particles[idxTarget].position.getX(), particles[idxTarget].position.getY(),
                                    particles[idxTarget].position.getZ(), particles[idxTarget].physicalValue,
-                                   &particles[idxTarget].forces[0], &particles[idxTarget].forces[1],
-                                   &particles[idxTarget].forces[2], &particles[idxTarget].potential,
+                                   particles[idxTarget].forces[0], particles[idxTarget].forces[1],
+                                   particles[idxTarget].forces[2], particles[idxTarget].potential,
                                    particles[idxOther].position.getX(), particles[idxOther].position.getY(),
                                    particles[idxOther].position.getZ(), particles[idxOther].physicalValue,
-                                   &particles[idxOther].forces[0], &particles[idxOther].forces[1],
-                                   &particles[idxOther].forces[2], &particles[idxOther].potential);
+                                   particles[idxOther].forces[0], particles[idxOther].forces[1],
+                                   particles[idxOther].forces[2], particles[idxOther].potential);
         }
       }
     }
@@ -134,18 +148,7 @@ int main(int argc, char* argv[])
     const FReal epsilon = FReal(1e-8);
 
     // typedefs
-    //typedef FInterpMatrixKernelLJ MatrixKernelClass;
-//    typedef FInterpMatrixKernelR MatrixKernelClass;
-//    typedef FInterpMatrixKernel_R_IJ MatrixKernelClass; // not working with Non-Symmetric variant ! Because of UCB decomposition.
-                                                          // and not working either with Symmetric variant because of lack of symmetry... 
-    typedef FInterpMatrixKernel_IOR MatrixKernelClass;
-
-    const unsigned int NRHS = MatrixKernelClass::NRHS;
-    const unsigned int NLHS = MatrixKernelClass::NLHS;
-
-    typedef FP2PParticleContainerIndexed ContainerClass;
-//    const unsigned int NDIM = NRHS + 4*NLHS;
-//    typedef FP2PTensorialParticleContainerIndexed<NDIM> ContainerClass; // TODO fix a TensorialParticleContainer for easy access to multidim PhysVal
+    typedef FP2PParticleContainerIndexed<NRHS,NLHS> ContainerClass;
 
     typedef FSimpleLeaf< ContainerClass >  LeafClass;
     typedef FChebCell<ORDER,NRHS,NLHS> CellClass;
@@ -166,7 +169,8 @@ int main(int argc, char* argv[])
 
       for(int idxPart = 0 ; idxPart < loader.getNumberOfParticles() ; ++idxPart){
         // put in tree
-        tree.insert(particles[idxPart].position, idxPart, particles[idxPart].physicalValue);
+        // PB: here we have to know the number of NRHS...
+        tree.insert(particles[idxPart].position, idxPart, particles[idxPart].physicalValue[0], particles[idxPart].physicalValue[1], particles[idxPart].physicalValue[2]);
       }
 
       time.tac();
@@ -187,44 +191,68 @@ int main(int argc, char* argv[])
 
     { // -----------------------------------------------------
       std::cout << "\nError computation ... " << std::endl;
-      FMath::FAccurater potentialDiff;
-      FMath::FAccurater fx, fy, fz;
+      FMath::FAccurater potentialDiff[NLHS];
+      FMath::FAccurater fx[NLHS], fy[NLHS], fz[NLHS];
 
-      FReal checkPotential[20000];
+      FReal checkPhysVal[20000][NRHS];
+      FReal checkPotential[20000][NLHS];
+      FReal checkfx[20000][NLHS];
 
       { // Check that each particle has been summed with all other
 
         tree.forEachLeaf([&](LeafClass* leaf){
-            const FReal*const potentials = leaf->getTargets()->getPotentials();
-            const FReal*const forcesX = leaf->getTargets()->getForcesX();
-            const FReal*const forcesY = leaf->getTargets()->getForcesY();
-            const FReal*const forcesZ = leaf->getTargets()->getForcesZ();
-            const int nbParticlesInLeaf = leaf->getTargets()->getNbParticles();
-            const FVector<int>& indexes = leaf->getTargets()->getIndexes();
-
-            for(int idxPart = 0 ; idxPart < nbParticlesInLeaf ; ++idxPart){
-              const int indexPartOrig = indexes[idxPart];
-              //PB: store potential in nbParticles array
-              checkPotential[indexPartOrig]=potentials[idxPart];              
-
-              potentialDiff.add(particles[indexPartOrig].potential,potentials[idxPart]);
-              fx.add(particles[indexPartOrig].forces[0],forcesX[idxPart]);
-              fy.add(particles[indexPartOrig].forces[1],forcesY[idxPart]);
-              fz.add(particles[indexPartOrig].forces[2],forcesZ[idxPart]);
+            for(unsigned idxLhs = 0; idxLhs<NLHS;++idxLhs){
+              const FReal*const physVals = leaf->getTargets()->getPhysicalValues(idxLhs);
+              const FReal*const potentials = leaf->getTargets()->getPotentials(idxLhs);
+              const FReal*const forcesX = leaf->getTargets()->getForcesX(idxLhs);
+              const FReal*const forcesY = leaf->getTargets()->getForcesY(idxLhs);
+              const FReal*const forcesZ = leaf->getTargets()->getForcesZ(idxLhs);
+              const int nbParticlesInLeaf = leaf->getTargets()->getNbParticles();
+              const FVector<int>& indexes = leaf->getTargets()->getIndexes();
+
+              for(int idxPart = 0 ; idxPart < nbParticlesInLeaf ; ++idxPart){
+                const int indexPartOrig = indexes[idxPart];
+
+                //PB: store potential in array[nbParticles]
+                checkPhysVal[indexPartOrig][idxLhs]=physVals[idxPart];              
+                checkPotential[indexPartOrig][idxLhs]=potentials[idxPart];              
+                checkfx[indexPartOrig][idxLhs]=forcesX[idxPart]; 
+
+                potentialDiff[idxLhs].add(particles[indexPartOrig].potential[idxLhs],potentials[idxPart]);
+                fx[idxLhs].add(particles[indexPartOrig].forces[0][idxLhs],forcesX[idxPart]);
+                fy[idxLhs].add(particles[indexPartOrig].forces[1][idxLhs],forcesY[idxPart]);
+                fz[idxLhs].add(particles[indexPartOrig].forces[2][idxLhs],forcesZ[idxPart]);
+              }
             }
           });
       }
 
-//      std::cout << "Check Potential " << std::endl;
+//      std::cout << "Check Potential, forceX " << std::endl;
 //      for(int idxPart = 0 ; idxPart < 20 ; ++idxPart)
-//        std::cout << checkPotential[idxPart] << ", "<< particles[idxPart].potential << std::endl;
+//        for(unsigned idxLhs = 0; idxLhs<NLHS;++idxLhs){
+//          std::cout << checkPhysVal[idxPart][idxLhs] << ", "<< particles[idxPart].physicalValue[idxLhs]<< "|| ";
+//          std::cout << checkPotential[idxPart][idxLhs] << ", "<< particles[idxPart].potential[idxLhs]<< "|| ";
+//          std::cout << checkfx[idxPart][idxLhs] << ", "<< particles[idxPart].forces[0][idxLhs] << std::endl;
+//        }
 //      std::cout << std::endl;
 
+
       // Print for information
-      std::cout << "Potential " << potentialDiff << std::endl;
-      std::cout << "Fx " << fx << std::endl;
-      std::cout << "Fy " << fy << std::endl;
-      std::cout << "Fz " << fz << std::endl;
+      std::cout << "\nTest Chebyshev Tensorial returns wrong results! ChebInterpolator still needs to be modified like UnifInterpolator." << std::endl;
+//      std::cout << "\nAbsolute errors: " << std::endl;
+//      std::cout << "Potential: ";
+//      for(unsigned idxLhs = 0; idxLhs<NLHS;++idxLhs) std::cout << potentialDiff[idxLhs] << ", " ;
+//      std::cout << std::endl;
+//      std::cout << "Fx: "; 
+//      for(unsigned idxLhs = 0; idxLhs<NLHS;++idxLhs) std::cout << fx[idxLhs] << ", " ;
+//      std::cout  << std::endl;
+//      std::cout << "Fy: "; 
+//      for(unsigned idxLhs = 0; idxLhs<NLHS;++idxLhs) std::cout << fy[idxLhs] << ", " ;
+//      std::cout  << std::endl;
+//      std::cout << "Fz: "; 
+//      for(unsigned idxLhs = 0; idxLhs<NLHS;++idxLhs) std::cout << fz[idxLhs] << ", " ;
+//      std::cout << std::endl;
+
     } // -----------------------------------------------------
 
   } // end Lagrange kernel

Tests/Kernels/testCompareKernels.cpp

@@ -119,7 +119,7 @@ int main(int argc, char* argv[])
         const FReal epsilon = FReal(1e-7);
 
         // typedefs
-        typedef FP2PParticleContainerIndexed ContainerClass;
+        typedef FP2PParticleContainerIndexed<> ContainerClass;
         typedef FSimpleLeaf<ContainerClass> LeafClass;
         typedef FInterpMatrixKernelR MatrixKernelClass;
         typedef FChebCell<ORDER> CellClass;
@@ -199,7 +199,7 @@ int main(int argc, char* argv[])
 
         // typedefs
         typedef FSphericalCell                 CellClass;
-        typedef FP2PParticleContainerIndexed         ContainerClass;
+        typedef FP2PParticleContainerIndexed<>         ContainerClass;
         typedef FSimpleLeaf< ContainerClass >                     LeafClass;
         typedef FOctree< CellClass, ContainerClass , LeafClass >  OctreeClass;
         //typedef FSphericalBlasKernel< CellClass, ContainerClass > KernelClass;

Tests/Kernels/testFlopsChebAlgorithm.cpp

@@ -55,9 +55,9 @@ int main(int argc, char* argv[])
 
 	// init timer
 	FTic time;
-
+  
     // typedefs
-    typedef FP2PParticleContainer ContainerClass;
+  typedef FP2PParticleContainer<> ContainerClass;
     typedef FSimpleLeaf<ContainerClass> LeafClass;
 	typedef FInterpMatrixKernelR MatrixKernelClass;
 	typedef FChebCell<ORDER> CellClass;

Tests/Kernels/testNewCompareKernels.cpp

@@ -138,21 +138,21 @@ int main(int argc, char* argv[])
     ////////////////////////////////////////////////////////////////////
     //
 #ifdef  ScalFMM_USE_BLAS
-    {	// begin Chebyshef kernel
+    {	// begin Chebyshev kernel
 
         // accuracy
         const unsigned int ORDER = 7;
         const FReal epsilon = FReal(1e-7);
 
         // typedefs
-        typedef FP2PParticleContainerIndexed ContainerClass;
+        typedef FP2PParticleContainerIndexed<> ContainerClass;
         typedef FSimpleLeaf<ContainerClass> LeafClass;
         typedef FInterpMatrixKernelR MatrixKernelClass;
         typedef FChebCell<ORDER> CellClass;
         typedef FOctree<CellClass,ContainerClass,LeafClass> OctreeClass;
 
         typedef FChebSymKernel<CellClass,ContainerClass,MatrixKernelClass,ORDER> KernelClass;
-        //        typedef FChebKernDel<CellClass,ContainerClass,MatrixKernelClass,ORDER> KernelClass;
+        //        typedef FChebKernel<CellClass,ContainerClass,MatrixKernelClass,ORDER> KernelClass;
         typedef FFmmAlgorithm<OctreeClass,CellClass,ContainerClass,KernelClass,LeafClass> FmmClass;