1 #include <petscmat.h> /*I "mat.h" I*/ 2 3 typedef struct{ 4 Mat A; 5 Vec D1; 6 Vec D2; 7 Vec W; 8 Vec W2; 9 Vec ADADiag; 10 PetscInt GotDiag; 11 } _p_TaoMatADACtx; 12 typedef _p_TaoMatADACtx* TaoMatADACtx; 13 14 extern PetscErrorCode MatCreateADA(Mat,Vec, Vec, Mat*); 15 16 #undef __FUNCT__ 17 #define __FUNCT__ "MatMult_ADA" 18 static PetscErrorCode MatMult_ADA(Mat mat,Vec a,Vec y) 19 { 20 TaoMatADACtx ctx; 21 PetscReal one = 1.0; 22 PetscErrorCode ierr; 23 24 PetscFunctionBegin; 25 ierr = MatShellGetContext(mat,(void **)&ctx);CHKERRQ(ierr); 26 ierr = MatMult(ctx->A,a,ctx->W);CHKERRQ(ierr); 27 if (ctx->D1){ 28 ierr = VecPointwiseMult(ctx->W,ctx->D1,ctx->W);CHKERRQ(ierr); 29 } 30 ierr = MatMultTranspose(ctx->A,ctx->W,y);CHKERRQ(ierr); 31 if (ctx->D2){ 32 ierr = VecPointwiseMult(ctx->W2, ctx->D2, a);CHKERRQ(ierr); 33 ierr = VecAXPY(y, one, ctx->W2);CHKERRQ(ierr); 34 } 35 PetscFunctionReturn(0); 36 } 37 38 #undef __FUNCT__ 39 #define __FUNCT__ "MatMultTranspose_ADA" 40 static PetscErrorCode MatMultTranspose_ADA(Mat mat,Vec a,Vec y) 41 { 42 PetscErrorCode ierr; 43 44 PetscFunctionBegin; 45 ierr = MatMult_ADA(mat,a,y);CHKERRQ(ierr); 46 PetscFunctionReturn(0); 47 } 48 49 #undef __FUNCT__ 50 #define __FUNCT__ "MatDiagonalSet_ADA" 51 static PetscErrorCode MatDiagonalSet_ADA(Vec D, Mat M) 52 { 53 TaoMatADACtx ctx; 54 PetscReal zero=0.0,one = 1.0; 55 PetscErrorCode ierr; 56 57 PetscFunctionBegin; 58 ierr = MatShellGetContext(M,(void **)&ctx);CHKERRQ(ierr); 59 if (!ctx->D2){ 60 ierr = VecDuplicate(D,&ctx->D2);CHKERRQ(ierr); 61 ierr = VecSet(ctx->D2, zero);CHKERRQ(ierr); 62 } 63 ierr = VecAXPY(ctx->D2, one, D);CHKERRQ(ierr); 64 PetscFunctionReturn(0); 65 } 66 67 #undef __FUNCT__ 68 #define __FUNCT__ "MatDestroy_ADA" 69 static PetscErrorCode MatDestroy_ADA(Mat mat) 70 { 71 PetscErrorCode ierr; 72 TaoMatADACtx ctx; 73 74 PetscFunctionBegin; 75 ierr=MatShellGetContext(mat,(void **)&ctx);CHKERRQ(ierr); 76 ierr=VecDestroy(&ctx->W);CHKERRQ(ierr); 77 ierr=VecDestroy(&ctx->W2);CHKERRQ(ierr); 78 ierr=VecDestroy(&ctx->ADADiag);CHKERRQ(ierr); 79 ierr=MatDestroy(&ctx->A);CHKERRQ(ierr); 80 ierr=VecDestroy(&ctx->D1);CHKERRQ(ierr); 81 ierr=VecDestroy(&ctx->D2);CHKERRQ(ierr); 82 ierr = PetscFree(ctx);CHKERRQ(ierr); 83 PetscFunctionReturn(0); 84 } 85 86 #undef __FUNCT__ 87 #define __FUNCT__ "MatView_ADA" 88 static PetscErrorCode MatView_ADA(Mat mat,PetscViewer viewer) 89 { 90 PetscFunctionBegin; 91 PetscFunctionReturn(0); 92 } 93 94 #undef __FUNCT__ 95 #define __FUNCT__ "MatShift_ADA" 96 static PetscErrorCode MatShift_ADA(Mat Y, PetscReal a) 97 { 98 PetscErrorCode ierr; 99 TaoMatADACtx ctx; 100 101 PetscFunctionBegin; 102 ierr = MatShellGetContext(Y,(void **)&ctx);CHKERRQ(ierr); 103 ierr = VecShift(ctx->D2,a);CHKERRQ(ierr); 104 PetscFunctionReturn(0); 105 } 106 107 #undef __FUNCT__ 108 #define __FUNCT__ "MatDuplicate_ADA" 109 static PetscErrorCode MatDuplicate_ADA(Mat mat,MatDuplicateOption op,Mat *M) 110 { 111 PetscErrorCode ierr; 112 TaoMatADACtx ctx; 113 Mat A2; 114 Vec D1b=NULL,D2b; 115 116 PetscFunctionBegin; 117 ierr = MatShellGetContext(mat,(void **)&ctx);CHKERRQ(ierr); 118 ierr = MatDuplicate(ctx->A,op,&A2);CHKERRQ(ierr); 119 if (ctx->D1){ 120 ierr = VecDuplicate(ctx->D1,&D1b);CHKERRQ(ierr); 121 ierr = VecCopy(ctx->D1,D1b);CHKERRQ(ierr); 122 } 123 ierr = VecDuplicate(ctx->D2,&D2b);CHKERRQ(ierr); 124 ierr = VecCopy(ctx->D2,D2b);CHKERRQ(ierr); 125 ierr = MatCreateADA(A2,D1b,D2b,M);CHKERRQ(ierr); 126 if (ctx->D1){ 127 ierr = PetscObjectDereference((PetscObject)D1b);CHKERRQ(ierr); 128 } 129 ierr = PetscObjectDereference((PetscObject)D2b);CHKERRQ(ierr); 130 ierr = PetscObjectDereference((PetscObject)A2);CHKERRQ(ierr); 131 PetscFunctionReturn(0); 132 } 133 134 #undef __FUNCT__ 135 #define __FUNCT__ "MatEqual_ADA" 136 static PetscErrorCode MatEqual_ADA(Mat A,Mat B,PetscBool *flg) 137 { 138 PetscErrorCode ierr; 139 TaoMatADACtx ctx1,ctx2; 140 141 PetscFunctionBegin; 142 ierr = MatShellGetContext(A,(void **)&ctx1);CHKERRQ(ierr); 143 ierr = MatShellGetContext(B,(void **)&ctx2);CHKERRQ(ierr); 144 ierr = VecEqual(ctx1->D2,ctx2->D2,flg);CHKERRQ(ierr); 145 if (*flg==PETSC_TRUE){ 146 ierr = VecEqual(ctx1->D1,ctx2->D1,flg);CHKERRQ(ierr); 147 } 148 if (*flg==PETSC_TRUE){ 149 ierr = MatEqual(ctx1->A,ctx2->A,flg);CHKERRQ(ierr); 150 } 151 PetscFunctionReturn(0); 152 } 153 154 #undef __FUNCT__ 155 #define __FUNCT__ "MatScale_ADA" 156 static PetscErrorCode MatScale_ADA(Mat mat, PetscReal a) 157 { 158 PetscErrorCode ierr; 159 TaoMatADACtx ctx; 160 161 PetscFunctionBegin; 162 ierr = MatShellGetContext(mat,(void **)&ctx);CHKERRQ(ierr); 163 ierr = VecScale(ctx->D1,a);CHKERRQ(ierr); 164 if (ctx->D2){ 165 ierr = VecScale(ctx->D2,a);CHKERRQ(ierr); 166 } 167 PetscFunctionReturn(0); 168 } 169 170 #undef __FUNCT__ 171 #define __FUNCT__ "MatTranspose_ADA" 172 static PetscErrorCode MatTranspose_ADA(Mat mat,Mat *B) 173 { 174 PetscErrorCode ierr; 175 TaoMatADACtx ctx; 176 177 PetscFunctionBegin; 178 if (*B){ 179 ierr = MatShellGetContext(mat,(void **)&ctx);CHKERRQ(ierr); 180 ierr = MatDuplicate(mat,MAT_COPY_VALUES,B);CHKERRQ(ierr); 181 } 182 PetscFunctionReturn(0); 183 } 184 185 #undef __FUNCT__ 186 #define __FUNCT__ "MatADAComputeDiagonal" 187 PetscErrorCode MatADAComputeDiagonal(Mat mat) 188 { 189 PetscErrorCode ierr; 190 PetscInt i,m,n,low,high; 191 PetscScalar *dtemp,*dptr; 192 TaoMatADACtx ctx; 193 194 PetscFunctionBegin; 195 ierr = MatShellGetContext(mat,(void **)&ctx);CHKERRQ(ierr); 196 ierr = MatGetOwnershipRange(mat, &low, &high);CHKERRQ(ierr); 197 ierr = MatGetSize(mat,&m,&n);CHKERRQ(ierr); 198 199 ierr = PetscMalloc1(n,&dtemp );CHKERRQ(ierr); 200 201 for (i=0; i<n; i++){ 202 ierr = MatGetColumnVector(ctx->A, ctx->W, i);CHKERRQ(ierr); 203 ierr = VecPointwiseMult(ctx->W,ctx->W,ctx->W);CHKERRQ(ierr); 204 ierr = VecDotBegin(ctx->D1, ctx->W,dtemp+i);CHKERRQ(ierr); 205 } 206 for (i=0; i<n; i++){ 207 ierr = VecDotEnd(ctx->D1, ctx->W,dtemp+i);CHKERRQ(ierr); 208 } 209 210 ierr = VecGetArray(ctx->ADADiag,&dptr);CHKERRQ(ierr); 211 for (i=low; i<high; i++){ 212 dptr[i-low]= dtemp[i]; 213 } 214 ierr = VecRestoreArray(ctx->ADADiag,&dptr);CHKERRQ(ierr); 215 ierr = PetscFree(dtemp);CHKERRQ(ierr); 216 PetscFunctionReturn(0); 217 } 218 219 #undef __FUNCT__ 220 #define __FUNCT__ "MatGetDiagonal_ADA" 221 static PetscErrorCode MatGetDiagonal_ADA(Mat mat,Vec v) 222 { 223 PetscErrorCode ierr; 224 PetscReal one=1.0; 225 TaoMatADACtx ctx; 226 227 PetscFunctionBegin; 228 ierr = MatShellGetContext(mat,(void **)&ctx);CHKERRQ(ierr); 229 ierr = MatADAComputeDiagonal(mat);CHKERRQ(ierr); 230 ierr=VecCopy(ctx->ADADiag,v);CHKERRQ(ierr); 231 if (ctx->D2){ 232 ierr=VecAXPY(v, one, ctx->D2);CHKERRQ(ierr); 233 } 234 PetscFunctionReturn(0); 235 } 236 237 #undef __FUNCT__ 238 #define __FUNCT__ "MatGetSubMatrix_ADA" 239 static PetscErrorCode MatGetSubMatrix_ADA(Mat mat,IS isrow,IS iscol,MatReuse cll, Mat *newmat) 240 { 241 PetscErrorCode ierr; 242 PetscInt low,high; 243 IS ISrow; 244 Vec D1,D2; 245 Mat Atemp; 246 TaoMatADACtx ctx; 247 PetscBool isequal; 248 249 PetscFunctionBegin; 250 ierr = ISEqual(isrow,iscol,&isequal);CHKERRQ(ierr); 251 if (!isequal) SETERRQ(PETSC_COMM_SELF,PETSC_ERR_SUP,"Only for idential column and row indices"); 252 ierr = MatShellGetContext(mat,(void **)&ctx);CHKERRQ(ierr); 253 254 ierr = MatGetOwnershipRange(ctx->A,&low,&high);CHKERRQ(ierr); 255 ierr = ISCreateStride(PetscObjectComm((PetscObject)mat),high-low,low,1,&ISrow);CHKERRQ(ierr); 256 ierr = MatGetSubMatrix(ctx->A,ISrow,iscol,cll,&Atemp);CHKERRQ(ierr); 257 ierr = ISDestroy(&ISrow);CHKERRQ(ierr); 258 259 if (ctx->D1){ 260 ierr=VecDuplicate(ctx->D1,&D1);CHKERRQ(ierr); 261 ierr=VecCopy(ctx->D1,D1);CHKERRQ(ierr); 262 } else { 263 D1 = NULL; 264 } 265 266 if (ctx->D2){ 267 Vec D2sub; 268 269 ierr=VecGetSubVector(ctx->D2,isrow,&D2sub);CHKERRQ(ierr); 270 ierr=VecDuplicate(D2sub,&D2);CHKERRQ(ierr); 271 ierr=VecCopy(D2sub,D2);CHKERRQ(ierr); 272 ierr=VecRestoreSubVector(ctx->D2,isrow,&D2sub);CHKERRQ(ierr); 273 } else { 274 D2 = NULL; 275 } 276 277 ierr = MatCreateADA(Atemp,D1,D2,newmat);CHKERRQ(ierr); 278 ierr = MatShellGetContext(*newmat,(void **)&ctx);CHKERRQ(ierr); 279 ierr = PetscObjectDereference((PetscObject)Atemp);CHKERRQ(ierr); 280 if (ctx->D1){ 281 ierr = PetscObjectDereference((PetscObject)D1);CHKERRQ(ierr); 282 } 283 if (ctx->D2){ 284 ierr = PetscObjectDereference((PetscObject)D2);CHKERRQ(ierr); 285 } 286 PetscFunctionReturn(0); 287 } 288 289 #undef __FUNCT__ 290 #define __FUNCT__ "MatGetSubMatrices_ADA" 291 static PetscErrorCode MatGetSubMatrices_ADA(Mat A,PetscInt n, IS *irow,IS *icol,MatReuse scall,Mat **B) 292 { 293 PetscErrorCode ierr; 294 PetscInt i; 295 296 PetscFunctionBegin; 297 if (scall == MAT_INITIAL_MATRIX) { 298 ierr = PetscMalloc1(n+1,B );CHKERRQ(ierr); 299 } 300 for ( i=0; i<n; i++ ) { 301 ierr = MatGetSubMatrix_ADA(A,irow[i],icol[i],scall,&(*B)[i]);CHKERRQ(ierr); 302 } 303 PetscFunctionReturn(0); 304 } 305 306 #undef __FUNCT__ 307 #define __FUNCT__ "MatGetColumnVector_ADA" 308 static PetscErrorCode MatGetColumnVector_ADA(Mat mat,Vec Y, PetscInt col) 309 { 310 PetscErrorCode ierr; 311 PetscInt low,high; 312 PetscScalar zero=0.0,one=1.0; 313 314 PetscFunctionBegin; 315 ierr=VecSet(Y, zero);CHKERRQ(ierr); 316 ierr=VecGetOwnershipRange(Y,&low,&high);CHKERRQ(ierr); 317 if (col>=low && col<high){ 318 ierr=VecSetValue(Y,col,one,INSERT_VALUES);CHKERRQ(ierr); 319 } 320 ierr=VecAssemblyBegin(Y);CHKERRQ(ierr); 321 ierr=VecAssemblyEnd(Y);CHKERRQ(ierr); 322 ierr=MatMult_ADA(mat,Y,Y);CHKERRQ(ierr); 323 PetscFunctionReturn(0); 324 } 325 326 #undef __FUNCT__ 327 #define __FUNCT__ "MatConvert_ADA" 328 PETSC_INTERN PetscErrorCode MatConvert_ADA(Mat mat,MatType newtype,Mat *NewMat) 329 { 330 PetscErrorCode ierr; 331 PetscMPIInt size; 332 PetscBool sametype, issame, isdense, isseqdense; 333 TaoMatADACtx ctx; 334 335 PetscFunctionBegin; 336 ierr = MatShellGetContext(mat,(void **)&ctx);CHKERRQ(ierr); 337 ierr = MPI_Comm_size(PetscObjectComm((PetscObject)mat),&size);CHKERRQ(ierr); 338 339 ierr = PetscObjectTypeCompare((PetscObject)mat,newtype,&sametype);CHKERRQ(ierr); 340 ierr = PetscObjectTypeCompare((PetscObject)mat,MATSAME,&issame);CHKERRQ(ierr); 341 ierr = PetscObjectTypeCompare((PetscObject)mat,MATMPIDENSE,&isdense);CHKERRQ(ierr); 342 ierr = PetscObjectTypeCompare((PetscObject)mat,MATSEQDENSE,&isseqdense);CHKERRQ(ierr); 343 344 if (sametype || issame) { 345 ierr=MatDuplicate(mat,MAT_COPY_VALUES,NewMat);CHKERRQ(ierr); 346 } else if (isdense) { 347 PetscInt i,j,low,high,m,n,M,N; 348 const PetscScalar *dptr; 349 Vec X; 350 351 ierr = VecDuplicate(ctx->D2,&X);CHKERRQ(ierr); 352 ierr=MatGetSize(mat,&M,&N);CHKERRQ(ierr); 353 ierr=MatGetLocalSize(mat,&m,&n);CHKERRQ(ierr); 354 ierr = MatCreateDense(PetscObjectComm((PetscObject)mat),m,m,N,N,NULL,NewMat);CHKERRQ(ierr); 355 ierr = MatGetOwnershipRange(*NewMat,&low,&high);CHKERRQ(ierr); 356 for (i=0;i<M;i++){ 357 ierr = MatGetColumnVector_ADA(mat,X,i);CHKERRQ(ierr); 358 ierr = VecGetArrayRead(X,&dptr);CHKERRQ(ierr); 359 for (j=0; j<high-low; j++){ 360 ierr = MatSetValue(*NewMat,low+j,i,dptr[j],INSERT_VALUES);CHKERRQ(ierr); 361 } 362 ierr = VecRestoreArrayRead(X,&dptr);CHKERRQ(ierr); 363 } 364 ierr = MatAssemblyBegin(*NewMat,MAT_FINAL_ASSEMBLY);CHKERRQ(ierr); 365 ierr = MatAssemblyEnd(*NewMat,MAT_FINAL_ASSEMBLY);CHKERRQ(ierr); 366 ierr = VecDestroy(&X);CHKERRQ(ierr); 367 } else if (isseqdense && size==1){ 368 PetscInt i,j,low,high,m,n,M,N; 369 const PetscScalar *dptr; 370 Vec X; 371 372 ierr = VecDuplicate(ctx->D2,&X);CHKERRQ(ierr); 373 ierr = MatGetSize(mat,&M,&N);CHKERRQ(ierr); 374 ierr = MatGetLocalSize(mat,&m,&n);CHKERRQ(ierr); 375 ierr = MatCreateSeqDense(PetscObjectComm((PetscObject)mat),N,N,NULL,NewMat);CHKERRQ(ierr); 376 ierr = MatGetOwnershipRange(*NewMat,&low,&high);CHKERRQ(ierr); 377 for (i=0;i<M;i++){ 378 ierr = MatGetColumnVector_ADA(mat,X,i);CHKERRQ(ierr); 379 ierr = VecGetArrayRead(X,&dptr);CHKERRQ(ierr); 380 for (j=0; j<high-low; j++){ 381 ierr = MatSetValue(*NewMat,low+j,i,dptr[j],INSERT_VALUES);CHKERRQ(ierr); 382 } 383 ierr = VecRestoreArrayRead(X,&dptr);CHKERRQ(ierr); 384 } 385 ierr = MatAssemblyBegin(*NewMat,MAT_FINAL_ASSEMBLY);CHKERRQ(ierr); 386 ierr = MatAssemblyEnd(*NewMat,MAT_FINAL_ASSEMBLY);CHKERRQ(ierr); 387 ierr = VecDestroy(&X);CHKERRQ(ierr); 388 } else SETERRQ(PETSC_COMM_SELF,1,"No support to convert objects to that type"); 389 PetscFunctionReturn(0); 390 } 391 392 #undef __FUNCT__ 393 #define __FUNCT__ "MatNorm_ADA" 394 static PetscErrorCode MatNorm_ADA(Mat mat,NormType type,PetscReal *norm) 395 { 396 PetscErrorCode ierr; 397 TaoMatADACtx ctx; 398 399 PetscFunctionBegin; 400 ierr = MatShellGetContext(mat,(void **)&ctx);CHKERRQ(ierr); 401 if (type == NORM_FROBENIUS) { 402 *norm = 1.0; 403 } else if (type == NORM_1 || type == NORM_INFINITY) { 404 *norm = 1.0; 405 } else SETERRQ(PETSC_COMM_SELF,PETSC_ERR_SUP,"No two norm"); 406 PetscFunctionReturn(0); 407 } 408 409 #undef __FUNCT__ 410 #define __FUNCT__ "MatCreateADA" 411 /*@C 412 MatCreateADA - Creates a matrix M=A^T D1 A + D2 where D1, D2 are diagonal 413 414 Collective on matrix 415 416 Input Parameters: 417 + mat - matrix of arbitrary type 418 . d1 - A vector with diagonal elements of D1 419 - d2 - A vector 420 421 Output Parameters: 422 . J - New matrix whose operations are defined in terms of mat, D1, and D2. 423 424 Notes: 425 The user provides the input data and is responsible for destroying 426 this data after matrix J has been destroyed. 427 The operation MatMult(A,D2,D1) must be well defined. 428 Before calling the operation MatGetDiagonal(), the function 429 MatADAComputeDiagonal() must be called. The matrices A and D1 must 430 be the same during calls to MatADAComputeDiagonal() and 431 MatGetDiagonal(). 432 433 Level: developer 434 435 .seealso: MatCreate() 436 @*/ 437 PetscErrorCode MatCreateADA(Mat mat,Vec d1, Vec d2, Mat *J) 438 { 439 MPI_Comm comm=PetscObjectComm((PetscObject)mat); 440 TaoMatADACtx ctx; 441 PetscErrorCode ierr; 442 PetscInt nloc,n; 443 444 PetscFunctionBegin; 445 ierr = PetscNew(&ctx);CHKERRQ(ierr); 446 ctx->A=mat; 447 ctx->D1=d1; 448 ctx->D2=d2; 449 if (d1){ 450 ierr = VecDuplicate(d1,&ctx->W);CHKERRQ(ierr); 451 ierr = PetscObjectReference((PetscObject)d1);CHKERRQ(ierr); 452 } else { 453 ctx->W = NULL; 454 } 455 if (d2){ 456 ierr = VecDuplicate(d2,&ctx->W2);CHKERRQ(ierr); 457 ierr = VecDuplicate(d2,&ctx->ADADiag);CHKERRQ(ierr); 458 ierr = PetscObjectReference((PetscObject)d2);CHKERRQ(ierr); 459 } else { 460 ctx->W2 = NULL; 461 ctx->ADADiag = NULL; 462 } 463 464 ctx->GotDiag=0; 465 ierr = PetscObjectReference((PetscObject)mat);CHKERRQ(ierr); 466 467 ierr=VecGetLocalSize(d2,&nloc);CHKERRQ(ierr); 468 ierr=VecGetSize(d2,&n);CHKERRQ(ierr); 469 470 ierr = MatCreateShell(comm,nloc,nloc,n,n,ctx,J);CHKERRQ(ierr); 471 472 ierr = MatShellSetOperation(*J,MATOP_MULT,(void(*)(void))MatMult_ADA);CHKERRQ(ierr); 473 ierr = MatShellSetOperation(*J,MATOP_DESTROY,(void(*)(void))MatDestroy_ADA);CHKERRQ(ierr); 474 ierr = MatShellSetOperation(*J,MATOP_VIEW,(void(*)(void))MatView_ADA);CHKERRQ(ierr); 475 ierr = MatShellSetOperation(*J,MATOP_MULT_TRANSPOSE,(void(*)(void))MatMultTranspose_ADA);CHKERRQ(ierr); 476 ierr = MatShellSetOperation(*J,MATOP_DIAGONAL_SET,(void(*)(void))MatDiagonalSet_ADA);CHKERRQ(ierr); 477 ierr = MatShellSetOperation(*J,MATOP_SHIFT,(void(*)(void))MatShift_ADA);CHKERRQ(ierr); 478 ierr = MatShellSetOperation(*J,MATOP_EQUAL,(void(*)(void))MatEqual_ADA);CHKERRQ(ierr); 479 ierr = MatShellSetOperation(*J,MATOP_SCALE,(void(*)(void))MatScale_ADA);CHKERRQ(ierr); 480 ierr = MatShellSetOperation(*J,MATOP_TRANSPOSE,(void(*)(void))MatTranspose_ADA);CHKERRQ(ierr); 481 ierr = MatShellSetOperation(*J,MATOP_GET_DIAGONAL,(void(*)(void))MatGetDiagonal_ADA);CHKERRQ(ierr); 482 ierr = MatShellSetOperation(*J,MATOP_GET_SUBMATRICES,(void(*)(void))MatGetSubMatrices_ADA);CHKERRQ(ierr); 483 ierr = MatShellSetOperation(*J,MATOP_NORM,(void(*)(void))MatNorm_ADA);CHKERRQ(ierr); 484 ierr = MatShellSetOperation(*J,MATOP_DUPLICATE,(void(*)(void))MatDuplicate_ADA);CHKERRQ(ierr); 485 ierr = MatShellSetOperation(*J,MATOP_GET_SUBMATRIX,(void(*)(void))MatGetSubMatrix_ADA);CHKERRQ(ierr); 486 487 ierr = PetscLogObjectParent((PetscObject)(*J),(PetscObject)ctx->W);CHKERRQ(ierr); 488 ierr = PetscLogObjectParent((PetscObject)mat,(PetscObject)(*J));CHKERRQ(ierr); 489 490 ierr = MatSetOption(*J,MAT_SYMMETRIC,PETSC_TRUE);CHKERRQ(ierr); 491 PetscFunctionReturn(0); 492 } 493