void PETSC_STDCALL matcreatetranspose_(Mat A,Mat *N, int *__ierr ){
*__ierr = MatCreateTranspose(
(Mat)PetscToPointer((A) ),N);
}
int main(int argc,char **argv)
{
Mat A,B,C,D;
PetscInt i,M=10,N=5,j,nrows,ncols,am,an,rstart,rend;
PetscErrorCode ierr;
PetscRandom r;
PetscBool equal,iselemental;
PetscReal fill = 1.0;
IS isrows,iscols;
const PetscInt *rows,*cols;
PetscScalar *v,rval;
#if defined(PETSC_HAVE_ELEMENTAL)
PetscBool Test_MatMatMult=PETSC_TRUE;
#else
PetscBool Test_MatMatMult=PETSC_FALSE;
#endif
PetscMPIInt size;
ierr = PetscInitialize(&argc,&argv,(char*)0,help);if (ierr) return ierr;
ierr = MPI_Comm_size(PETSC_COMM_WORLD,&size);CHKERRQ(ierr);
ierr = PetscOptionsGetInt(NULL,NULL,"-M",&M,NULL);CHKERRQ(ierr);
ierr = PetscOptionsGetInt(NULL,NULL,"-N",&N,NULL);CHKERRQ(ierr);
ierr = MatCreate(PETSC_COMM_WORLD,&A);CHKERRQ(ierr);
ierr = MatSetSizes(A,PETSC_DECIDE,PETSC_DECIDE,M,N);CHKERRQ(ierr);
ierr = MatSetType(A,MATDENSE);CHKERRQ(ierr);
ierr = MatSetFromOptions(A);CHKERRQ(ierr);
ierr = MatSetUp(A);CHKERRQ(ierr);
ierr = PetscRandomCreate(PETSC_COMM_WORLD,&r);CHKERRQ(ierr);
ierr = PetscRandomSetFromOptions(r);CHKERRQ(ierr);
/* Set local matrix entries */
ierr = MatGetOwnershipIS(A,&isrows,&iscols);CHKERRQ(ierr);
ierr = ISGetLocalSize(isrows,&nrows);CHKERRQ(ierr);
ierr = ISGetIndices(isrows,&rows);CHKERRQ(ierr);
ierr = ISGetLocalSize(iscols,&ncols);CHKERRQ(ierr);
ierr = ISGetIndices(iscols,&cols);CHKERRQ(ierr);
ierr = PetscMalloc1(nrows*ncols,&v);CHKERRQ(ierr);
for (i=0; i<nrows; i++) {
for (j=0; j<ncols; j++) {
ierr = PetscRandomGetValue(r,&rval);CHKERRQ(ierr);
v[i*ncols+j] = rval;
}
}
ierr = MatSetValues(A,nrows,rows,ncols,cols,v,INSERT_VALUES);CHKERRQ(ierr);
ierr = MatAssemblyBegin(A,MAT_FINAL_ASSEMBLY);CHKERRQ(ierr);
ierr = MatAssemblyEnd(A,MAT_FINAL_ASSEMBLY);CHKERRQ(ierr);
ierr = ISRestoreIndices(isrows,&rows);CHKERRQ(ierr);
ierr = ISRestoreIndices(iscols,&cols);CHKERRQ(ierr);
ierr = ISDestroy(&isrows);CHKERRQ(ierr);
ierr = ISDestroy(&iscols);CHKERRQ(ierr);
ierr = PetscRandomDestroy(&r);CHKERRQ(ierr);
/* Test MatTranspose() */
ierr = MatCreateTranspose(A,&C);CHKERRQ(ierr);
ierr = MatTranspose(A,MAT_INITIAL_MATRIX,&B);CHKERRQ(ierr); /* B = A^T */
ierr = MatMultEqual(C,B,10,&equal);CHKERRQ(ierr);
if (!equal) SETERRQ(PETSC_COMM_SELF,PETSC_ERR_PLIB,"A^T*x != (x^T*A)^T");
ierr = MatTranspose(A,MAT_REUSE_MATRIX,&B);CHKERRQ(ierr); /* B = A^T */
ierr = MatMultEqual(C,B,10,&equal);CHKERRQ(ierr);
if (!equal) SETERRQ(PETSC_COMM_SELF,PETSC_ERR_PLIB,"A^T*x != (x^T*A)^T");
ierr = MatDestroy(&B);CHKERRQ(ierr);
ierr = MatDuplicate(A,MAT_COPY_VALUES,&B);CHKERRQ(ierr);
ierr = MatTranspose(B,MAT_INPLACE_MATRIX,&B);CHKERRQ(ierr);
ierr = MatMultEqual(C,B,10,&equal);CHKERRQ(ierr);
if (!equal) SETERRQ(PETSC_COMM_SELF,PETSC_ERR_PLIB,"A^T*x != (x^T*A)^T");
ierr = MatDestroy(&B);CHKERRQ(ierr);
ierr = MatDestroy(&C);CHKERRQ(ierr);
/* Test MatMatMult() */
if (Test_MatMatMult) {
#if !defined(PETSC_HAVE_ELEMENTAL)
if (size > 1) SETERRQ(PETSC_COMM_SELF,PETSC_ERR_SUP,"This test requires ELEMENTAL");
#endif
ierr = MatTranspose(A,MAT_INITIAL_MATRIX,&B);CHKERRQ(ierr); /* B = A^T */
ierr = MatMatMult(B,A,MAT_INITIAL_MATRIX,fill,&C);CHKERRQ(ierr); /* C = B*A = A^T*A */
ierr = MatMatMult(B,A,MAT_REUSE_MATRIX,fill,&C);CHKERRQ(ierr);
/* Test MatDuplicate for matrix product */
ierr = MatDuplicate(C,MAT_COPY_VALUES,&D);CHKERRQ(ierr);
ierr = MatDestroy(&D);CHKERRQ(ierr);
/* Test B*A*x = C*x for n random vector x */
ierr = MatMatMultEqual(B,A,C,10,&equal);CHKERRQ(ierr);
if (!equal) SETERRQ(PETSC_COMM_SELF,PETSC_ERR_PLIB,"B*A*x != C*x");
ierr = MatDestroy(&C);CHKERRQ(ierr);
ierr = MatMatMultSymbolic(B,A,fill,&C);CHKERRQ(ierr);
for (i=0; i<2; i++) {
/* Repeat the numeric product to test reuse of the previous symbolic product */
ierr = MatMatMultNumeric(B,A,C);CHKERRQ(ierr);
ierr = MatMatMultEqual(B,A,C,10,&equal);CHKERRQ(ierr);
if (!equal) SETERRQ(PETSC_COMM_SELF,PETSC_ERR_PLIB,"B*A*x != C*x");
}
ierr = MatDestroy(&C);CHKERRQ(ierr);
ierr = MatDestroy(&B);CHKERRQ(ierr);
}
/* Test MatTransposeMatMult() */
ierr = PetscObjectTypeCompare((PetscObject)A,MATELEMENTAL,&iselemental);CHKERRQ(ierr);
if (!iselemental) {
ierr = MatTransposeMatMult(A,A,MAT_INITIAL_MATRIX,fill,&D);CHKERRQ(ierr); /* D = A^T*A */
ierr = MatTransposeMatMult(A,A,MAT_REUSE_MATRIX,fill,&D);CHKERRQ(ierr);
/* Test MatDuplicate for matrix product */
ierr = MatDuplicate(D,MAT_COPY_VALUES,&C);CHKERRQ(ierr);
ierr = MatDestroy(&C);CHKERRQ(ierr);
/* ierr = MatView(D,PETSC_VIEWER_STDOUT_WORLD);CHKERRQ(ierr); */
ierr = MatTransposeMatMultEqual(A,A,D,10,&equal);CHKERRQ(ierr);
if (!equal) SETERRQ(PETSC_COMM_SELF,PETSC_ERR_PLIB,"D*x != A^T*A*x");
ierr = MatDestroy(&D);CHKERRQ(ierr);
/* Test D*x = A^T*C*A*x, where C is in AIJ format */
ierr = MatGetLocalSize(A,&am,&an);CHKERRQ(ierr);
ierr = MatCreate(PETSC_COMM_WORLD,&C);CHKERRQ(ierr);
if (size == 1) {
ierr = MatSetSizes(C,PETSC_DECIDE,PETSC_DECIDE,am,am);CHKERRQ(ierr);
} else {
ierr = MatSetSizes(C,am,am,PETSC_DECIDE,PETSC_DECIDE);CHKERRQ(ierr);
}
ierr = MatSetFromOptions(C);CHKERRQ(ierr);
ierr = MatSetUp(C);CHKERRQ(ierr);
ierr = MatGetOwnershipRange(C,&rstart,&rend);CHKERRQ(ierr);
v[0] = 1.0;
for (i=rstart; i<rend; i++) {
ierr = MatSetValues(C,1,&i,1,&i,v,INSERT_VALUES);CHKERRQ(ierr);
}
ierr = MatAssemblyBegin(C,MAT_FINAL_ASSEMBLY);CHKERRQ(ierr);
ierr = MatAssemblyEnd(C,MAT_FINAL_ASSEMBLY);CHKERRQ(ierr);
/* B = C*A, D = A^T*B */
ierr = MatMatMult(C,A,MAT_INITIAL_MATRIX,1.0,&B);CHKERRQ(ierr);
ierr = MatTransposeMatMult(A,B,MAT_INITIAL_MATRIX,fill,&D);CHKERRQ(ierr);
ierr = MatTransposeMatMultEqual(A,B,D,10,&equal);CHKERRQ(ierr);
if (!equal) SETERRQ(PETSC_COMM_SELF,PETSC_ERR_PLIB,"D*x != A^T*B*x");
ierr = MatDestroy(&D);CHKERRQ(ierr);
ierr = MatDestroy(&C);CHKERRQ(ierr);
ierr = MatDestroy(&B);CHKERRQ(ierr);
}
ierr = MatDestroy(&A);CHKERRQ(ierr);
ierr = PetscFree(v);CHKERRQ(ierr);
ierr = PetscFinalize();
return ierr;
}
int main(int argc,char **args)
{
User user;
Mat A,S;
PetscScalar *data,diag = 1.3;
PetscReal tol = PETSC_SMALL;
PetscInt i,j,m = PETSC_DECIDE,n = PETSC_DECIDE,M = 17,N = 15,s1,s2;
PetscInt test, ntest = 2;
PetscMPIInt rank,size;
PetscBool nc = PETSC_FALSE, cong;
PetscBool ronl = PETSC_TRUE;
PetscBool randomize = PETSC_FALSE;
PetscBool keep = PETSC_FALSE;
PetscBool testzerorows = PETSC_TRUE, testdiagscale = PETSC_TRUE, testgetdiag = PETSC_TRUE;
PetscBool testshift = PETSC_TRUE, testscale = PETSC_TRUE, testdup = PETSC_TRUE, testreset = PETSC_TRUE;
PetscErrorCode ierr;
ierr = PetscInitialize(&argc,&args,(char*)0,help);if (ierr) return ierr;
ierr = MPI_Comm_rank(PETSC_COMM_WORLD,&rank);CHKERRQ(ierr);
ierr = MPI_Comm_size(PETSC_COMM_WORLD,&size);CHKERRQ(ierr);
ierr = PetscOptionsGetInt(NULL,NULL,"-M",&M,NULL);CHKERRQ(ierr);
ierr = PetscOptionsGetInt(NULL,NULL,"-N",&N,NULL);CHKERRQ(ierr);
ierr = PetscOptionsGetInt(NULL,NULL,"-ml",&m,NULL);CHKERRQ(ierr);
ierr = PetscOptionsGetInt(NULL,NULL,"-nl",&n,NULL);CHKERRQ(ierr);
ierr = PetscOptionsGetBool(NULL,NULL,"-square_nc",&nc,NULL);CHKERRQ(ierr);
ierr = PetscOptionsGetBool(NULL,NULL,"-rows_only",&ronl,NULL);CHKERRQ(ierr);
ierr = PetscOptionsGetBool(NULL,NULL,"-randomize",&randomize,NULL);CHKERRQ(ierr);
ierr = PetscOptionsGetBool(NULL,NULL,"-test_zerorows",&testzerorows,NULL);CHKERRQ(ierr);
ierr = PetscOptionsGetBool(NULL,NULL,"-test_diagscale",&testdiagscale,NULL);CHKERRQ(ierr);
ierr = PetscOptionsGetBool(NULL,NULL,"-test_getdiag",&testgetdiag,NULL);CHKERRQ(ierr);
ierr = PetscOptionsGetBool(NULL,NULL,"-test_shift",&testshift,NULL);CHKERRQ(ierr);
ierr = PetscOptionsGetBool(NULL,NULL,"-test_scale",&testscale,NULL);CHKERRQ(ierr);
ierr = PetscOptionsGetBool(NULL,NULL,"-test_dup",&testdup,NULL);CHKERRQ(ierr);
ierr = PetscOptionsGetBool(NULL,NULL,"-test_reset",&testreset,NULL);CHKERRQ(ierr);
ierr = PetscOptionsGetInt(NULL,NULL,"-loop",&ntest,NULL);CHKERRQ(ierr);
ierr = PetscOptionsGetReal(NULL,NULL,"-tol",&tol,NULL);CHKERRQ(ierr);
ierr = PetscOptionsGetScalar(NULL,NULL,"-diag",&diag,NULL);CHKERRQ(ierr);
ierr = PetscOptionsGetBool(NULL,NULL,"-keep",&keep,NULL);CHKERRQ(ierr);
/* This tests square matrices with different row/col layout */
if (nc && size > 1) {
M = PetscMax(PetscMax(N,M),1);
N = M;
m = n = 0;
if (rank == 0) { m = M-1; n = 1; }
else if (rank == 1) { m = 1; n = N-1; }
}
ierr = MatCreateDense(PETSC_COMM_WORLD,m,n,M,N,NULL,&A);CHKERRQ(ierr);
ierr = MatGetLocalSize(A,&m,&n);CHKERRQ(ierr);
ierr = MatGetSize(A,&M,&N);CHKERRQ(ierr);
ierr = MatHasCongruentLayouts(A,&cong);CHKERRQ(ierr);
ierr = MatGetOwnershipRange(A,&s1,NULL);CHKERRQ(ierr);
s2 = 1;
while (s2 < M) s2 *= 10;
ierr = MatDenseGetArray(A,&data);CHKERRQ(ierr);
for (j = 0; j < N; j++) {
for (i = 0; i < m; i++) {
data[j*m + i] = s2*j + i + s1 + 1;
}
}
ierr = MatAssemblyBegin(A,MAT_FINAL_ASSEMBLY);CHKERRQ(ierr);
ierr = MatAssemblyEnd(A,MAT_FINAL_ASSEMBLY);CHKERRQ(ierr);
ierr = MatConvert(A,MATAIJ,MAT_INPLACE_MATRIX,&A);CHKERRQ(ierr);
ierr = MatSetOption(A,MAT_KEEP_NONZERO_PATTERN,keep);CHKERRQ(ierr);
ierr = PetscObjectSetName((PetscObject)A,"initial");CHKERRQ(ierr);
ierr = MatViewFromOptions(A,NULL,"-view_mat");CHKERRQ(ierr);
ierr = PetscNew(&user);CHKERRQ(ierr);
ierr = MatCreateShell(PETSC_COMM_WORLD,m,n,M,N,user,&S);CHKERRQ(ierr);
ierr = MatShellSetOperation(S,MATOP_MULT,(void (*)(void))MatMult_User);CHKERRQ(ierr);
ierr = MatShellSetOperation(S,MATOP_MULT_TRANSPOSE,(void (*)(void))MatMultTranspose_User);CHKERRQ(ierr);
if (cong) {
ierr = MatShellSetOperation(S,MATOP_GET_DIAGONAL,(void (*)(void))MatGetDiagonal_User);CHKERRQ(ierr);
}
ierr = MatDuplicate(A,MAT_COPY_VALUES,&user->B);CHKERRQ(ierr);
/* Square and rows only scaling */
ronl = cong ? ronl : PETSC_TRUE;
for (test = 0; test < ntest; test++) {
PetscReal err;
if (testzerorows) {
Mat ST,B,C,BT,BTT;
IS zr;
Vec x = NULL, b1 = NULL, b2 = NULL;
PetscInt *idxs = NULL, nr = 0;
if (rank == (test%size)) {
nr = 1;
ierr = PetscMalloc1(nr,&idxs);CHKERRQ(ierr);
if (test%2) {
idxs[0] = (2*M - 1 - test/2)%M;
} else {
idxs[0] = (test/2)%M;
}
idxs[0] = PetscMax(idxs[0],0);
}
ierr = ISCreateGeneral(PETSC_COMM_WORLD,nr,idxs,PETSC_OWN_POINTER,&zr);CHKERRQ(ierr);
ierr = PetscObjectSetName((PetscObject)zr,"ZR");CHKERRQ(ierr);
ierr = ISViewFromOptions(zr,NULL,"-view_is");CHKERRQ(ierr);
ierr = MatCreateVecs(A,&x,&b1);CHKERRQ(ierr);
if (randomize) {
ierr = VecSetRandom(x,NULL);CHKERRQ(ierr);
ierr = VecSetRandom(b1,NULL);CHKERRQ(ierr);
} else {
ierr = VecSet(x,11.4);CHKERRQ(ierr);
ierr = VecSet(b1,-14.2);CHKERRQ(ierr);
}
ierr = VecDuplicate(b1,&b2);CHKERRQ(ierr);
ierr = VecCopy(b1,b2);CHKERRQ(ierr);
ierr = PetscObjectSetName((PetscObject)b1,"A_B1");CHKERRQ(ierr);
ierr = PetscObjectSetName((PetscObject)b2,"A_B2");CHKERRQ(ierr);
if (size > 1 && !cong) { /* MATMPIAIJ ZeroRows and ZeroRowsColumns are buggy in this case */
ierr = VecDestroy(&b1);CHKERRQ(ierr);
}
if (ronl) {
ierr = MatZeroRowsIS(A,zr,diag,x,b1);CHKERRQ(ierr);
ierr = MatZeroRowsIS(S,zr,diag,x,b2);CHKERRQ(ierr);
} else {
ierr = MatZeroRowsColumnsIS(A,zr,diag,x,b1);CHKERRQ(ierr);
ierr = MatZeroRowsColumnsIS(S,zr,diag,x,b2);CHKERRQ(ierr);
ierr = ISDestroy(&zr);CHKERRQ(ierr);
/* Mix zerorows and zerorowscols */
nr = 0;
idxs = NULL;
if (!rank) {
nr = 1;
ierr = PetscMalloc1(nr,&idxs);CHKERRQ(ierr);
if (test%2) {
idxs[0] = (3*M - 2 - test/2)%M;
} else {
idxs[0] = (test/2+1)%M;
}
idxs[0] = PetscMax(idxs[0],0);
}
ierr = ISCreateGeneral(PETSC_COMM_WORLD,nr,idxs,PETSC_OWN_POINTER,&zr);CHKERRQ(ierr);
ierr = PetscObjectSetName((PetscObject)zr,"ZR2");CHKERRQ(ierr);
ierr = ISViewFromOptions(zr,NULL,"-view_is");CHKERRQ(ierr);
ierr = MatZeroRowsIS(A,zr,diag*2.0+PETSC_SMALL,NULL,NULL);CHKERRQ(ierr);
ierr = MatZeroRowsIS(S,zr,diag*2.0+PETSC_SMALL,NULL,NULL);CHKERRQ(ierr);
}
ierr = ISDestroy(&zr);CHKERRQ(ierr);
if (b1) {
Vec b;
ierr = VecViewFromOptions(b1,NULL,"-view_b");CHKERRQ(ierr);
ierr = VecViewFromOptions(b2,NULL,"-view_b");CHKERRQ(ierr);
ierr = VecDuplicate(b1,&b);CHKERRQ(ierr);
ierr = VecCopy(b1,b);CHKERRQ(ierr);
ierr = VecAXPY(b,-1.0,b2);CHKERRQ(ierr);
ierr = VecNorm(b,NORM_INFINITY,&err);CHKERRQ(ierr);
if (err >= tol) {
ierr = PetscPrintf(PETSC_COMM_WORLD,"[test %D] Error b %g\n",test,(double)err);CHKERRQ(ierr);
}
ierr = VecDestroy(&b);CHKERRQ(ierr);
}
ierr = VecDestroy(&b1);CHKERRQ(ierr);
ierr = VecDestroy(&b2);CHKERRQ(ierr);
ierr = VecDestroy(&x);CHKERRQ(ierr);
ierr = MatConvert(S,MATDENSE,MAT_INITIAL_MATRIX,&B);CHKERRQ(ierr);
ierr = MatCreateTranspose(S,&ST);CHKERRQ(ierr);
ierr = MatComputeOperator(ST,MATDENSE,&BT);CHKERRQ(ierr);
ierr = MatTranspose(BT,MAT_INITIAL_MATRIX,&BTT);CHKERRQ(ierr);
ierr = PetscObjectSetName((PetscObject)B,"S");CHKERRQ(ierr);
ierr = PetscObjectSetName((PetscObject)BTT,"STT");CHKERRQ(ierr);
ierr = MatConvert(A,MATDENSE,MAT_INITIAL_MATRIX,&C);CHKERRQ(ierr);
ierr = PetscObjectSetName((PetscObject)C,"A");CHKERRQ(ierr);
ierr = MatViewFromOptions(C,NULL,"-view_mat");CHKERRQ(ierr);
ierr = MatViewFromOptions(B,NULL,"-view_mat");CHKERRQ(ierr);
ierr = MatViewFromOptions(BTT,NULL,"-view_mat");CHKERRQ(ierr);
ierr = MatAXPY(C,-1.0,B,SAME_NONZERO_PATTERN);CHKERRQ(ierr);
ierr = MatNorm(C,NORM_FROBENIUS,&err);CHKERRQ(ierr);
if (err >= tol) {
ierr = PetscPrintf(PETSC_COMM_WORLD,"[test %D] Error mat mult %g\n",test,(double)err);CHKERRQ(ierr);
}
ierr = MatConvert(A,MATDENSE,MAT_REUSE_MATRIX,&C);CHKERRQ(ierr);
ierr = MatAXPY(C,-1.0,BTT,SAME_NONZERO_PATTERN);CHKERRQ(ierr);
ierr = MatNorm(C,NORM_FROBENIUS,&err);CHKERRQ(ierr);
if (err >= tol) {
ierr = PetscPrintf(PETSC_COMM_WORLD,"[test %D] Error mat mult transpose %g\n",test,(double)err);CHKERRQ(ierr);
}
ierr = MatDestroy(&ST);CHKERRQ(ierr);
ierr = MatDestroy(&BTT);CHKERRQ(ierr);
ierr = MatDestroy(&BT);CHKERRQ(ierr);
ierr = MatDestroy(&B);CHKERRQ(ierr);
ierr = MatDestroy(&C);CHKERRQ(ierr);
}
if (testdiagscale) { /* MatDiagonalScale() */
Vec vr,vl;
ierr = MatCreateVecs(A,&vr,&vl);CHKERRQ(ierr);
if (randomize) {
ierr = VecSetRandom(vr,NULL);CHKERRQ(ierr);
ierr = VecSetRandom(vl,NULL);CHKERRQ(ierr);
} else {
ierr = VecSet(vr,test%2 ? 0.15 : 1.0/0.15);CHKERRQ(ierr);
ierr = VecSet(vl,test%2 ? -1.2 : 1.0/-1.2);CHKERRQ(ierr);
}
ierr = MatDiagonalScale(A,vl,vr);CHKERRQ(ierr);
ierr = MatDiagonalScale(S,vl,vr);CHKERRQ(ierr);
ierr = VecDestroy(&vr);CHKERRQ(ierr);
ierr = VecDestroy(&vl);CHKERRQ(ierr);
}
if (testscale) { /* MatScale() */
ierr = MatScale(A,test%2 ? 1.4 : 1.0/1.4);CHKERRQ(ierr);
ierr = MatScale(S,test%2 ? 1.4 : 1.0/1.4);CHKERRQ(ierr);
}
if (testshift && cong) { /* MatShift() : MATSHELL shift is broken when row/cols layout are not congruent and left/right scaling have been applied */
ierr = MatShift(A,test%2 ? -77.5 : 77.5);CHKERRQ(ierr);
ierr = MatShift(S,test%2 ? -77.5 : 77.5);CHKERRQ(ierr);
}
if (testgetdiag && cong) { /* MatGetDiagonal() */
Vec dA,dS;
ierr = MatCreateVecs(A,&dA,NULL);CHKERRQ(ierr);
ierr = MatCreateVecs(S,&dS,NULL);CHKERRQ(ierr);
ierr = MatGetDiagonal(A,dA);CHKERRQ(ierr);
ierr = MatGetDiagonal(S,dS);CHKERRQ(ierr);
ierr = VecAXPY(dA,-1.0,dS);CHKERRQ(ierr);
ierr = VecNorm(dA,NORM_INFINITY,&err);CHKERRQ(ierr);
if (err >= tol) {
ierr = PetscPrintf(PETSC_COMM_WORLD,"[test %D] Error diag %g\n",test,(double)err);CHKERRQ(ierr);
}
ierr = VecDestroy(&dA);CHKERRQ(ierr);
ierr = VecDestroy(&dS);CHKERRQ(ierr);
}
if (testdup && !test) {
Mat A2, S2;
ierr = MatDuplicate(A,MAT_COPY_VALUES,&A2);CHKERRQ(ierr);
ierr = MatDuplicate(S,MAT_COPY_VALUES,&S2);CHKERRQ(ierr);
ierr = MatDestroy(&A);CHKERRQ(ierr);
ierr = MatDestroy(&S);CHKERRQ(ierr);
A = A2;
S = S2;
}
if (testreset && (ntest == 1 || test == ntest-2)) {
/* reset MATSHELL */
ierr = MatAssemblyBegin(S,MAT_FINAL_ASSEMBLY);CHKERRQ(ierr);
ierr = MatAssemblyEnd(S,MAT_FINAL_ASSEMBLY);CHKERRQ(ierr);
/* reset A */
ierr = MatCopy(user->B,A,DIFFERENT_NONZERO_PATTERN);CHKERRQ(ierr);
}
}
ierr = MatDestroy(&A);CHKERRQ(ierr);
ierr = MatDestroy(&user->B);CHKERRQ(ierr);
ierr = MatDestroy(&S);CHKERRQ(ierr);
ierr = PetscFree(user);CHKERRQ(ierr);
ierr = PetscFinalize();
return ierr;
}
