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ScalFMM
Commit d3aae130 authored by PIACIBELLO Cyrille's avatar PIACIBELLO Cyrille
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Version without debug printf

parent 63f661c1
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Showing with 48 additions and 148 deletions
Src/Kernels/Taylor/FTaylorKernel.hpp
View file @ d3aae130
......@@ -214,9 +214,11 @@ private:
tab[7] = FReal(3)*dy*dy*R5-R3; //Derivative in (0,2,0)
tab[8] = FReal(3)*dy*dz*R5; //Derivative in (0,1,1)
tab[9] = FReal(3)*dz*dz*R5-R3; //Derivative in (0,0,2)
for(int c=0 ; c<=9 ; ++c){
//printf("just computed %f, a=%d, b=%d, c=%d target: %d %f\n",dx,0,0,0,c,tab[c]);
}
// For debugging purpose : print the values computed
// for(int c=0 ; c<=9 ; ++c){
// printf("just computed %f, a=%d, b=%d, c=%d target: %d %f\n",dx,0,0,0,c,tab[c]);
// }
}
/** @brief Compute and store the derivative for a given tuple.
......@@ -251,9 +253,7 @@ private:
idxSrc1 = powerToIdx(0,0,c-1);
idxSrc2 = powerToIdx(0,0,c-2);
yetComputed[idxTarget] = -(FReal(2*c-1)*dz*yetComputed[idxSrc1] + FReal((c-1)*(c-1))*yetComputed[idxSrc2])/dist2;
//printf("just computed %f, a=%d, b=%d, c=%d target: %d %f\n",dx,a,b,c,idxTarget,yetComputed[idxTarget]);
}
//printf(" Psi_{0,0,c} computed \n");
b=1;
for(c=2 ; c<=2*P-1 ; ++c){
//Computation of derivatives Psi_{0,1,c}
......@@ -263,9 +263,7 @@ private:
idxSrc2 = powerToIdx(0,1,c-2);
idxSrc3 = powerToIdx(0,0,c);
yetComputed[idxTarget] = -(FReal(2*c)*dz*yetComputed[idxSrc1] + FReal(c*(c-1))*yetComputed[idxSrc2]+ dy*yetComputed[idxSrc3])/dist2;
//printf("just computed %f, a=%d, b=%d, c=%d target: %d %f\n",dx,a,b,c,idxTarget,yetComputed[idxTarget]);
}
//printf(" Psi_{0,1,c} computed \n");
b=2;
for(c=1 ; c<= 2*P-b ; ++c){
//Computation of derivatives Psi_{0,2,c}
......@@ -277,10 +275,7 @@ private:
idxSrc4 = powerToIdx(0,0,c);
yetComputed[idxTarget] = -(FReal(2*c)*dz*yetComputed[idxSrc1] + FReal(c*(c-1))*yetComputed[idxSrc2]
+ FReal(3)*dy*yetComputed[idxSrc3] + yetComputed[idxSrc4])/dist2;
//printf("just computed %f, a=%d, b=%d, c=%d target: %d %f\n",dx,a,b,c,idxTarget,yetComputed[idxTarget]);
}
//printf(" Psi_{0,2,c} computed \n");
for(b=3 ; b<= 2*P ; ++b){
//Computation of derivatives Psi_{0,b,0}
// |x-y|^2 * Psi_{0,b,0} + (2*b-1) * dy *Psi_{0,b-1,0} + (b-1)^2 * Psi_{0,b-2,c} = 0
......@@ -288,8 +283,6 @@ private:
idxSrc1 = powerToIdx(0,b-1,0);
idxSrc2 = powerToIdx(0,b-2,0);
yetComputed[idxTarget] = -(FReal(2*b-1)*dy*yetComputed[idxSrc1] + FReal((b-1)*(b-1))*yetComputed[idxSrc2])/dist2;
//printf("just computed %f, a=%d, b=%d, c=%d target: %d %f\n",dx,a,b,0,idxTarget,yetComputed[idxTarget]);
for(c=1 ; c<= 2*P-b ; ++c) {
//Computation of derivatives Psi_{0,b,c}
//|x-y|^2*Psi_{0,b,c} + (2*c)*dz*Psi_{0,b,c-1} + (c*(c-1))*Psi_{0,b,c-2} + (2*b-1)*dy*Psi_{0,b-1,c} + (b-1)^2 * Psi_{0,b-2,c} = 0
......@@ -300,11 +293,8 @@ private:
idxSrc4 = powerToIdx(0,b-2,c);
yetComputed[idxTarget] = -(FReal(2*c)*dz*yetComputed[idxSrc1] + FReal(c*(c-1))*yetComputed[idxSrc2]
+ FReal(2*b-1)*dy*yetComputed[idxSrc3] + FReal((b-1)*(b-1))*yetComputed[idxSrc4])/dist2;
//printf("just computed %f, a=%d, b=%d, c=%d target: %d %f\n",dx,a,b,c,idxTarget,yetComputed[idxTarget]);
}
}
//printf(" Psi_{0,b,c} computed \n");
a=1;
b=0;
for(c=2 ; c<= 2*P-1 ; ++c){
......@@ -315,9 +305,7 @@ private:
idxSrc2 = powerToIdx(1,0,c-2);
idxSrc3 = powerToIdx(0,0,c);
yetComputed[idxTarget] = -(FReal(2*c)*dz*yetComputed[idxSrc1] + FReal(c*(c-1))*yetComputed[idxSrc2] + dx*yetComputed[idxSrc3])/dist2;
//printf("just computed %f, a=%d, b=%d, c=%d target: %d %f\n",dx,a,b,c,idxTarget,yetComputed[idxTarget]);
}
//printf(" Psi_{1,0,c} computed \n");
b=1;
//Computation of derivatives Psi_{1,1,1}
//|x-y|^2 * Psi_{1,1,1} + 2*dz*Psi_{1,1,0} + 2*dy*Psi_{1,0,1} + dx*Psi_{0,1,1}
......@@ -326,7 +314,6 @@ private:
idxSrc2 = powerToIdx(1,0,1);
idxSrc3 = powerToIdx(0,1,1);
yetComputed[idxTarget] = -(FReal(2)*dz*yetComputed[idxSrc1] + FReal(2)*dy*yetComputed[idxSrc2] + dx*yetComputed[idxSrc3])/dist2;
//printf("just computed %f, a=%d, b=%d, c=%d target: %d %f\n",dx,1,1,1,idxTarget,yetComputed[idxTarget]);
for(c=2 ; c<= 2*P-2 ; ++c){
//Computation of derivatives Psi_{1,1,c}
//|x-y|^2 * Psi_{1,1,c} + (2*c)*dz*Psi_{1,1,c-1} + c*(c-1)*Psi_{1,1,c-2} + 2*dy*Psi_{1,0,c} + dx*Psi_{0,1,c}
......@@ -337,10 +324,7 @@ private:
idxSrc4 = powerToIdx(0,1,c);
yetComputed[idxTarget] = -(FReal(2*c)*dz*yetComputed[idxSrc1] + FReal(c*(c-1))*yetComputed[idxSrc2]
+ FReal(2)*dy*yetComputed[idxSrc3]+ dx*yetComputed[idxSrc4])/dist2;
//printf("just computed %f, a=%d, b=%d, c=%d target: %d %f\n",dx,a,b,c,idxTarget,yetComputed[idxTarget]);
}
//printf(" Psi_{1,1,c} computed \n");
for(b=2 ; b<= 2*P-a ; ++b){
for(c=0 ; c<= 2*P-b-1 ; ++c){
//Computation of derivatives Psi_{1,b,c}
......@@ -354,11 +338,8 @@ private:
yetComputed[idxTarget] = -(FReal(2*b)*dy*yetComputed[idxSrc1] + FReal(b*(b-1))*yetComputed[idxSrc2]
+ FReal(2*c)*dz*yetComputed[idxSrc3]+ FReal(c*(c-1))*yetComputed[idxSrc4]
+ dx*yetComputed[idxSrc5])/dist2;
//printf("just computed %f, a=%d, b=%d, c=%d target: %d %f\n",dx,a,b,c,idxTarget,yetComputed[idxTarget]);
}
}
//printf(" Psi_{1,b,c} computed \n");
for(a=2 ; a<=2*P ; ++a){
//Computation of derivatives Psi_{a,0,0}
// |x-y|^2 * Psi_{a,0,0} + (2*a-1) * dx *Psi_{a-1,0,0} + (a-1)^2 * Psi_{a-2,0,0} = 0
......@@ -366,7 +347,6 @@ private:
idxSrc1 = powerToIdx(a-1,0,0);
idxSrc2 = powerToIdx(a-2,0,0);
yetComputed[idxTarget] = -(FReal(2*a-1)*dx*yetComputed[idxSrc1] + FReal((a-1)*(a-1))*yetComputed[idxSrc2])/dist2;
//printf("just computed %f, a=%d, b=%d, c=%d target: %d %f\n",dx,a,0,0,idxTarget,yetComputed[idxTarget]);
if(a <= 2*P-1){
//Computation of derivatives Psi_{a,0,1}
// |x-y|^2 * Psi_{a,0,1} + 2*dz*Psi_{a,0,0} + (2*a-1)*dx*Psi_{a-1,0,1} + (a-1)^2*Psi_{a-2,0,1} = 0
......@@ -375,14 +355,12 @@ private:
idxSrc2 = powerToIdx(a-1,0,1);
idxSrc3 = powerToIdx(a-2,0,1);
yetComputed[idxTarget] = -(FReal(2)*dz*yetComputed[idxSrc1] + FReal(2*a-1)*dx*yetComputed[idxSrc2] + FReal((a-1)*(a-1))*yetComputed[idxSrc3])/dist2;
//printf("just computed %f, a=%d, b=%d, c=%d target: %d %f\n",dx,a,0,1,idxTarget,yetComputed[idxTarget]);
//Computation of derivatives Psi_{a,1,0}
// |x-y|^2 * Psi_{a,1,0} + 2*dy*Psi_{a,0,0} + (2*a-1)*dx*Psi_{a-1,1,0} + (a-1)^2*Psi_{a-2,1,0} = 0
idxTarget = powerToIdx(a,1,0);
idxSrc2 = powerToIdx(a-1,1,0);
idxSrc3 = powerToIdx(a-2,1,0);
yetComputed[idxTarget] = -(FReal(2)*dy*yetComputed[idxSrc1] + FReal(2*a-1)*dx*yetComputed[idxSrc2] + FReal((a-1)*(a-1))*yetComputed[idxSrc3])/dist2;
//printf("just computed %f, a=%d, b=%d, c=%d target: %d %f\n",dx,a,1,0,idxTarget,yetComputed[idxTarget]);
if(a <= 2*P-2){
b=0;
for(c=2 ; c <= 2*P-a ; ++c){
......@@ -395,7 +373,6 @@ private:
idxSrc4 = powerToIdx(a-2,0,c);
yetComputed[idxTarget] = -(FReal(2*c)*dz*yetComputed[idxSrc1] + FReal(c*(c-1))*yetComputed[idxSrc2]
+ FReal(2*a-1)*dx*yetComputed[idxSrc3] + FReal((a-1)*(a-1))*yetComputed[idxSrc4])/dist2;
//printf("just computed %f, a=%d, b=%d, c=%d target: %d %f\n",dx,a,0,c,idxTarget,yetComputed[idxTarget]);
}
b=1;
for(c=1 ; c <= 2*P-a-1 ; ++c){
......@@ -410,9 +387,7 @@ private:
yetComputed[idxTarget] = -(FReal(2*c)*dz*yetComputed[idxSrc1] + FReal(c*(c-1))*yetComputed[idxSrc2]
+ FReal(2*a)*dx*yetComputed[idxSrc3] + FReal(a*(a-1))*yetComputed[idxSrc4]
+ dy*yetComputed[idxSrc5])/dist2;
//printf("just computed %f, a=%d, b=%d, c=%d target: %d %f\n",dx,a,1,c,idxTarget,yetComputed[idxTarget]);
}
for(b=2 ; b <= 2*P-a ; ++b){
//Computation of derivatives Psi_{a,b,0}
// |x-y|^2 * Psi_{a,b,0} + 2*b*dy*Psi_{a,b-1,0} + b*(b-1)*Psi_{a,b-2,0} + (2*a-1)*dx*Psi_{a-1,b,0} + (a-1)^2*Psi_{a-2,b,0} = 0
......@@ -423,8 +398,6 @@ private:
idxSrc4 = powerToIdx(a-2,b,0);
yetComputed[idxTarget] = -(FReal(2*b)*dy*yetComputed[idxSrc1] + FReal(b*(b-1))*yetComputed[idxSrc2]
+ FReal(2*a-1)*dx*yetComputed[idxSrc3] + FReal((a-1)*(a-1))*yetComputed[idxSrc4])/dist2;
//printf("just computed %f, a=%d, b=%d, c=%d target: %d %f\n",dx,a,b,0,idxTarget,yetComputed[idxTarget]);
if(a+b < 2*P){
//Computation of derivatives Psi_{a,b,1}
// |x-y|^2 * Psi_{a,b,1} + 2*b*dy*Psi_{a,b-1,1} + b*(b-1)*Psi_{a,b-2,1} + 2*a*dx*Psi_{a-1,b,1} + a*(a-1)*Psi_{a-2,b,1} + dz*Psi_{a,b,0}= 0
......@@ -437,7 +410,6 @@ private:
yetComputed[idxTarget] = -(FReal(2*b)*dy*yetComputed[idxSrc1] + FReal(b*(b-1))*yetComputed[idxSrc2]
+ FReal(2*a)*dx*yetComputed[idxSrc3] + FReal(a*(a-1))*yetComputed[idxSrc4]
+ dz*yetComputed[idxSrc5])/dist2;
//printf("just computed %f, a=%d, b=%d, c=%d target: %d %f\n",dx,a,b,1,idxTarget,yetComputed[idxTarget]);
}
for(c=2 ; c <= 2*P-b-a ; ++c){
//Computation of derivatives Psi_{a,b,c} with a >= 2
......@@ -452,14 +424,11 @@ private:
yetComputed[idxTarget] = -(FReal(2*a-1)*dx*yetComputed[idxSrc1] + FReal((a-1)*(a-1))*yetComputed[idxSrc4]
+ FReal(2*b)*dy*yetComputed[idxSrc2] + FReal(b*(b-1))*yetComputed[idxSrc5]
+ FReal(2*c)*dz*yetComputed[idxSrc3] + FReal(c*(c-1))*yetComputed[idxSrc6])/dist2;
//printf("just computed %f, a=%d, b=%d, c=%d target: %d %f\n",dx,a,b,c,idxTarget,yetComputed[idxTarget]);
}
}
}
}
}
//printf(" Psi_{a,b,c} computed \n");
}
......@@ -499,6 +468,7 @@ public:
void P2M(CellClass* const pole,
const ContainerClass* const particles)
{
printf("P2M %%%%%%%%%%%%%%%%%%%%%%%%%%\n");
//Variables computed for each power of Multipole
int a,b,c ;
FReal facto, coeff;
......@@ -506,7 +476,7 @@ public:
const FPoint& cellCenter = getLeafCenter(pole->getCoordinate());
printf("P2M :: pole : X: %f, Y: %f, Z:%f \n",cellCenter.getX(),cellCenter.getY(),cellCenter.getZ());
FReal * multipole = pole->getMultipole();
FMemUtils::memset(multipole,0,SizeVector*FReal(0.0));
FMemUtils::memset(multipole,0,SizeVector*sizeof(FReal(0.0)));
//
// Iterator over Particles
//
......@@ -537,10 +507,8 @@ public:
arrayDX[i] = dx * arrayDX[i-1] ;
arrayDY[i] = dy * arrayDY[i-1] ;
arrayDZ[i] = dz * arrayDZ[i-1] ;
//printf("arrayD? ,i : %d, locForce : %f %f %f\n",i-1, arrayDX[i-1], arrayDY[i-1], arrayDZ[i-1] );
}
//printf("arrayD? ,i : %d, locForce : %f %f %f\n",P, arrayDX[P], arrayDY[P], arrayDZ[P] );
//
//Iterating over MutlipoleVector
//
......@@ -560,33 +528,7 @@ public:
incPowers(&a,&b,&c); //inc powers of expansion
} // end loop on multipoles
} // end loop on particles
// Print the multipoles
// if(xc == FReal(3)){
// a = b = c = 0;
// for(int i=0 ; i<SizeVector ; ++i)
// {
// fprintf(stdout," P2M :: cell : X = %f, Y = %f, Z = %f, %d = (%d,%d,%d) M= %f\n ",
// cellCenter.getX(),cellCenter.getY(),cellCenter.getZ(),a+b+c,a,b,c,multipole[i]);
// incPowers(&a,&b,&c);
// }
// }
std::cout << std::endl;
// for(int l=0 , idx = 0; l<= P ; ++l) // length of i + j + k = l
// {
// for( c=0 ; c <= l ; ++c)
// {
// for( b = 0 ; b<= l-c ; ++b)
// {
// for( a = l-c-b ; a+b+c==l; --a, ++idx)
// {
// std::cout << "P2M>> "<< idx << " = (i,j,k) = ("<< a << " , " <<b << " , " << c << " ) " <<std::endl;
// }
// }
// }
// }
// }
}
......@@ -599,7 +541,7 @@ public:
const CellClass*const FRestrict *const FRestrict child,
const int inLevel)
{
printf("M2M %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%\n");
printf("M2M %%%%%%%%%%%%%%%%%%%%%%%%%%\n");
//Powers of expansions
int a=0,b=0,c=0;
......@@ -629,20 +571,12 @@ public:
printf("M2M :: child cells : X: %f, Y: %f, Z:%f\n",childCenter.getX(),childCenter.getY(),childCenter.getZ());
const FReal * const multChild = child[idxChild]->getMultipole();
//FReal multChild[SizeVector];
//FMemUtils::memset(multChild,0,SizeVector*sizeof(FReal(0.0)));
//multChild[1]=1;
//Set the distance between centers of cells
dx = cellCenter.getX() - childCenter.getX();
dy = cellCenter.getY() - childCenter.getY();
dz = cellCenter.getZ() - childCenter.getZ();
printf("M2M :: dx=%f, dy=%f, dz=%f\n",dx,dy,dz);
// dz = ((FReal )(2*(1 & idxChild)-1))*boxSize;
// dy = ((FReal )(2*((1 << 1) & idxChild)-1))*boxSize;
// dx = ((FReal )(2*((1 << 2) & idxChild)-1))*boxSize;
// printf("Distances dans le M2M : %f %f %f boxSize : %f \n",dx,dy,dz,boxSize);
// Precompute the arrays of dx^i
arrayDX[0] = 1.0 ;
arrayDY[0] = 1.0 ;
......@@ -651,13 +585,8 @@ public:
arrayDX[i] = dx * arrayDX[i-1] ;
arrayDY[i] = dy * arrayDY[i-1] ;
arrayDZ[i] = dz * arrayDZ[i-1] ;
// printf(" M2M arrayD? ,i : %d, locForce : %f %f %f\n",i-1, arrayDX[i-1], arrayDY[i-1], arrayDZ[i-1] );
}
// for(int idxMult = 0 ; idxMult<SizeVector ; idxMult++)
// {
// printf(" Mf %d %f\n",idxMult,multChild[idxMult]);
// }
a=0;
b=0;
c=0;
......@@ -667,7 +596,6 @@ public:
{
value = 0.0;
Nk = factorials[a+b+c]/fact3int(a,b,c) ;
// printf("M2M a = %d, b = %d, c = %d, i %d \n",a,b,c,idxMult);
int idMultiChild;
//Iteration over the powers to find the cell multipole
//involved in the computation of the parent multipole
......@@ -678,28 +606,23 @@ public:
//Computation
//Child multipole involved
idMultiChild = powerToIdx(a-idx_a,b-idx_b,c-idx_c);
// printf(" a = %d, b = %d, c = %d, A-IDX %d %d %d i %d \n",idx_a,idx_b,idx_c,a-idx_a,b-idx_b,c-idx_c,idMultiChild);
// coeff = 1/( n_{k-r} r!)
coeff = fact3int(a-idx_a,b-idx_b,c-idx_c)/(factorials[a+b+c-idx_a-idx_b-idx_c]*fact3int(idx_a,idx_b,idx_c));
//
value += multChild[idMultiChild]*coeff*arrayDX[idx_a]*arrayDY[idx_b]*arrayDZ[idx_c];
// printf(" value %f Mp %f coeff %f dx %f dy %f dz %f \n",value,multChild[idMultiChild],coeff,arrayDX[idx_a],arrayDY[idx_b],arrayDZ[idx_c]);
}
}
}
//std::cout << std::endl;
//printf("M2M :: cell : X = %f, Y = %f, Z = %f, %d,%d,%d --> %f\n",
mult[idxMult] += Nk*value;
incPowers(&a,&b,&c);
}
//For debugging purposes
int x=0,y=0,z=0;
for(int idxChk=0 ; idxChk<SizeVector ; ++idxChk)
{
printf("M2M in (%f,%f,%f) for (%d,%d,%d) is %f\n",cellCenter.getX(),cellCenter.getY(),cellCenter.getZ(),x,y,z,mult[idxChk]);
incPowers(&x,&y,&z);
}
// int x=0,y=0,z=0;
// for(int idxChk=0 ; idxChk<SizeVector ; ++idxChk)
// {
// printf("M2M in (%f,%f,%f) for (%d,%d,%d) is %f\n",cellCenter.getX(),cellCenter.getY(),cellCenter.getZ(),x,y,z,mult[idxChk]);
// incPowers(&x,&y,&z);
// }
}
}
}
......@@ -723,7 +646,7 @@ public:
const CellClass* distantNeighbors[343], // Sources to be read
const int /*size*/, const int inLevel)
{
printf("M2L\n");
printf("M2L %%%%%%%%%%%%%%%%%%%%%%%%%%\n");
//Iteration over distantNeighbors
int idxNeigh;
int sizeDerivative = (2*P+1)*(P+1)*(2*P+3)/3;
......@@ -765,12 +688,7 @@ public:
//
//Iterator over multipole array
const FReal * multipole = distantNeighbors[idxNeigh]->getMultipole();
//For debugging purposes
//FReal multipole[SizeVector];
//FMemUtils::memset(multipole,0,SizeVector*sizeof(FReal(0.0)));
//multipole[3]=FReal(1);
FReal tmp = 0.0 ;
//Iterating over multipole array : k
// Loc(al,bl,cl) = N(al,bl,cl)/((al,bl,cl)!*(al,bl,cl)!) sum_(am,bm,cm) Psi[am+al,bm+bl,cm+cl] * M[am,bm,cm]
......@@ -781,9 +699,6 @@ public:
int idxPsi = powerToIdx(al+am,bl+bm,cl+cm);
tmp += yetComputed[idxPsi]*multipole[j];
//printf(" j= %d, am=%d, bm=%d, cm=%d,, aml=%d, bml=%d, cml=%d, psi[%d]=%f\n",j,am,bm,cm,am+al,bm+bl,cm+cl,powerToIdx(al+am,bl+bm,cl+cm),yetComputed[powerToIdx(al+am,bl+bm,cl+cm)]);
//updating a,b,c
incPowers(&am,&bm,&cm);
}
......@@ -791,18 +706,18 @@ public:
incPowers(&al,&bl,&cl);
}
// For Debugging ..........................................................
int x=0,y=0,z=0;
for(int dby=0 ; dby<SizeVector ; dby++)
{
//fprintf(stdout,"M2L :: source %f, %d,%d,%d ==> %f\n",curDistCenter.getX(),x,y,z,iterLocal[dby]);
incPowers(&x,&y,&z);
}
x = y = z = 0;
for(int dby=0 ; dby<sizeDerivative ; dby++)
{
//fprintf(stdout,"M2L :: source %f, (%d,%d,%d) ==> derive : %f\n",curDistCenter.getX(),x,y,z,yetComputed[dby]);
incPowers(&x,&y,&z);
}
// int x=0,y=0,z=0;
// for(int dby=0 ; dby<SizeVector ; dby++)
// {
// //fprintf(stdout,"M2L :: source %f, %d,%d,%d ==> %f\n",curDistCenter.getX(),x,y,z,iterLocal[dby]);
// incPowers(&x,&y,&z);
// }
// x = y = z = 0;
// for(int dby=0 ; dby<sizeDerivative ; dby++)
// {
// //fprintf(stdout,"M2L :: source %f, (%d,%d,%d) ==> derive : %f\n",curDistCenter.getX(),x,y,z,yetComputed[dby]);
// incPowers(&x,&y,&z);
// }
}
}
}
......@@ -810,32 +725,30 @@ public:
/**
*@brief Translate the local expansion of parent cell to child cell
* Sur une cellule, \f$\mathcal{C}_l\f$, du niveau \f$l\f$ de centre \f$\mathbf{x}_p\f$, on a le développement local du potentiel suivant
* \f[
* V(x) = \sum_{\mathbf{k}=0}^{P}{O_\mathbf{k}\; (\mathbf{x}-\mathbf{x}_p)^\mathbf{k}}.\f]
*Soit \f$\mathbf{x}_f\f$ le centre d'une cellule fille de \f$\mathcal{C}_l\f$, le potentiel s'écrit alors
* \f[ V(x) = \sum_{\mathbf{n}=0}^{P}{L_\mathbf{n} (\mathbf{x}-\mathbf{x}_f)^\mathbf{n}} \f]
* avec
* \f[ L_\mathbf{n} = \sum_{\mathbf{k}=\mathbf{n}}^{\mathbf{p}}{C^\mathbf{n}_\mathbf{k} O_\mathbf{k-n}\;(\mathbf{x}_f-\mathbf{x}_p)^\mathbf{k-n}}.\f]
* La formule est implémentée en introduisant un changement d'indice \f$\mathbf{r}=\mathbf{k}-\mathbf{n}\f$. On obtient alors :
* \f[ L_\mathbf{n} = \sum_{\mathbf{r}=0}^{\mathbf{p}-\mathbf{n}}{C^\mathbf{n}_\mathbf{r+n} O_\mathbf{r}\;(\mathbf{x}_f-\mathbf{x}_p)^\mathbf{r}}.\f]
*
* One need to translate the local expansion on a father cell
* centered in \f$\mathbf{x}_p\f$ to its eight daughters centered in
* \f$\mathbf{x}_p\f$ .
*
* Local expansion for the daughters will be :
* \f[ \sum_{\mathbf{k}=0}^{|k|<P} L_k * (\mathbf{x}-\mathbf{x}_f)^{\mathbf{k}} \f]
* with :
*
*\f[ L_{n} = \sum_{\mathbf{k}=\mathbf{n}}^{|k|<P} C_{\mathbf{k}}^{\mathbf{n}} * (\mathbf{x}_f-\mathbf{x}_p)^{\mathbf{k}-\mathbf{n}} \f]
*/
void L2L(const CellClass* const FRestrict fatherCell,
CellClass* FRestrict * const FRestrict childCell,
const int inLevel)
{
printf("L2LLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLL \n");
printf("L2L %%%%%%%%%%%%%%%%%%%%%%%%%%\n");
FPoint locCenter = getCellCenter(fatherCell->getCoordinate(),inLevel);
printf("Father Cell : (%f,%f,%f)\n",locCenter.getX(),locCenter.getY(),locCenter.getZ());
// Get father local expansion
const FReal* fatherExpansion = fatherCell->getLocal() ;
int idxFatherLoc; //index of Father local expansion to be read.
FReal dx, dy, dz, coeff;
int ap, bp, cp, af, bf, cf;
int idxFatherLoc; //index of Father local expansion to be read.
FReal dx, dy, dz, coeff;
int ap, bp, cp, af, bf, cf; //Indexes of expansion for father and child.
//
// For all children
for(int idxChild = 0 ; idxChild < 8 ; ++idxChild){
......@@ -873,11 +786,9 @@ public:
idxFatherLoc = powerToIdx(ap,bp,cp);
coeff = combin(ap,af) * combin(bp,bf) * combin(cp,cf);
childExpansion[k] += coeff*fatherExpansion[idxFatherLoc]*arrayDX[ap-af]*arrayDY[bp-bf]*arrayDZ[cp-cf] ;
printf("Child : (%d,%d,%d), Father : (%d,%d,%d), idxFather : %d, value : %f\n",af,bf,cf,ap,bp,cp,idxFatherLoc,childExpansion[k]);
}
}
}
printf("child : (%d,%d,%d), locExpand : %f\n",af,bf,cf,childExpansion[k]);
incPowers(&af,&bf,&cf);
}
}
......@@ -902,7 +813,7 @@ public:
void L2P(const CellClass* const local,
ContainerClass* const particles)
{
printf("L2P %%%%%%%%%%%%%%%%%%%%%%%%%%\n");
FPoint locCenter = getLeafCenter(local->getCoordinate());
//Iterator over particles
int nbPart = particles->getNbParticles();
......@@ -923,11 +834,6 @@ public:
//
FReal * const targetsPotentials = particles->getPotentials();
printf("L2P : Cell : %f, fx = %f, fy = %f, fz = %f\n\n",locCenter.getX(),forceX[0],forceY[0],forceZ[0]);
for(int k=0 ; k<SizeVector ; k++)
{
printf("iterLocal : %f \n",iterLocal[k]);
}
FReal * const phyValues = particles->getPhysicalValues();
//Iteration over particles
......@@ -936,7 +842,6 @@ public:
FReal dx = posX[i] - locCenter.getX();
FReal dy = posY[i] - locCenter.getY();
FReal dz = posZ[i] - locCenter.getZ();
printf("L2P: dx = %f, dy = %f, dz = %f\n",dx,dy,dz);
//
// Precompute an arrays of Array[i] = dx^(i-1)
arrayDX[0] = 0.0 ;
......@@ -946,16 +851,12 @@ public:
arrayDX[1] = 1.0 ;
arrayDY[1] = 1.0 ;
arrayDZ[1] = 1.0 ;
std::cout<< std::endl;
printf(" ,(dx,dy,dz) %f %f %f\n" ,dx, dy, dz);
for (int d = 2 ; d <= P+1 ; ++d){ //Array is staggered : Array[i] = dx^(i-1)
arrayDX[d] = dx * arrayDX[d-1] ;
arrayDY[d] = dy * arrayDY[d-1] ;
arrayDZ[d] = dz * arrayDZ[d-1] ;
//printf("arrayD? ,j : %d, dx^j : %f %f %f\n",d-1, arrayDX[d-1], arrayDY[d-1], arrayDZ[d-1] );
}
std::cout<< std::endl;
FReal partPhyValue = phyValues[i];
//
FReal locPot = 0.0, locForceX = 0.0, locForceY = 0.0, locForceZ = 0.0 ;
......@@ -969,14 +870,12 @@ public:
locForceY += FReal(b)*locForce*arrayDX[a+1]*arrayDY[b]*arrayDZ[c+1];
locForceZ += FReal(c)*locForce*arrayDX[a+1]*arrayDY[b+1]*arrayDZ[c];
//
//printf(" force X : %d,%d,%d,j : %d, locForceX : %f L_j %f %f %f %f \n",a,b,c,j,locForceX,locForce,arrayDX[a],arrayDY[b+1],arrayDZ[c+1]);
incPowers(&a,&b,&c);
}
targetsPotentials[i] = partPhyValue*locPot ;
forceX[i] = partPhyValue*locForceX ;
forceY[i] = partPhyValue*locForceY ;
forceZ[i] = partPhyValue*locForceZ ;
printf(" Part %d, Pot %f FX : %f FY : %f FZ : %f \n",i, targetsPotentials[i],forceX[i] ,forceY[i] ,forceZ[i] );
}
}
......@@ -994,6 +893,7 @@ public:
ContainerClass* const FRestrict targets, const ContainerClass* const FRestrict /*sources*/,
ContainerClass* const directNeighborsParticles[27], const int /*size*/)
{
printf("P2P %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%\n");
FP2P::FullMutual(targets,directNeighborsParticles,14);
}
......
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