Actual source code: mhypre.c
petsc-3.8.3 2017-12-09
2: /*
3: Creates hypre ijmatrix from PETSc matrix
4: */
6: #include <petscmathypre.h>
7: #include <petsc/private/matimpl.h>
8: #include <../src/mat/impls/hypre/mhypre.h>
9: #include <../src/mat/impls/aij/mpi/mpiaij.h>
10: #include <../src/vec/vec/impls/hypre/vhyp.h>
11: #include <HYPRE.h>
12: #include <HYPRE_utilities.h>
13: #include <_hypre_parcsr_ls.h>
14: #include <_hypre_sstruct_ls.h>
16: static PetscErrorCode MatHYPRE_CreateFromMat(Mat,Mat_HYPRE*);
17: static PetscErrorCode MatHYPRE_IJMatrixPreallocate(Mat,Mat,HYPRE_IJMatrix);
18: static PetscErrorCode MatHYPRE_IJMatrixFastCopy_MPIAIJ(Mat,HYPRE_IJMatrix);
19: static PetscErrorCode MatHYPRE_IJMatrixFastCopy_SeqAIJ(Mat,HYPRE_IJMatrix);
20: static PetscErrorCode MatHYPRE_MultKernel_Private(Mat,Vec,Vec,PetscBool);
21: static PetscErrorCode hypre_array_destroy(void*);
23: static PetscErrorCode MatHYPRE_IJMatrixPreallocate(Mat A_d, Mat A_o, HYPRE_IJMatrix ij)
24: {
26: PetscInt i,n_d,n_o;
27: const PetscInt *ia_d,*ia_o;
28: PetscBool done_d=PETSC_FALSE,done_o=PETSC_FALSE;
29: PetscInt *nnz_d=NULL,*nnz_o=NULL;
32: if (A_d) { /* determine number of nonzero entries in local diagonal part */
33: MatGetRowIJ(A_d,0,PETSC_FALSE,PETSC_FALSE,&n_d,&ia_d,NULL,&done_d);
34: if (done_d) {
35: PetscMalloc1(n_d,&nnz_d);
36: for (i=0; i<n_d; i++) {
37: nnz_d[i] = ia_d[i+1] - ia_d[i];
38: }
39: }
40: MatRestoreRowIJ(A_d,0,PETSC_FALSE,PETSC_FALSE,NULL,&ia_d,NULL,&done_d);
41: }
42: if (A_o) { /* determine number of nonzero entries in local off-diagonal part */
43: MatGetRowIJ(A_o,0,PETSC_FALSE,PETSC_FALSE,&n_o,&ia_o,NULL,&done_o);
44: if (done_o) {
45: PetscMalloc1(n_o,&nnz_o);
46: for (i=0; i<n_o; i++) {
47: nnz_o[i] = ia_o[i+1] - ia_o[i];
48: }
49: }
50: MatRestoreRowIJ(A_o,0,PETSC_FALSE,PETSC_FALSE,&n_o,&ia_o,NULL,&done_o);
51: }
52: if (done_d) { /* set number of nonzeros in HYPRE IJ matrix */
53: if (!done_o) { /* only diagonal part */
54: PetscMalloc1(n_d,&nnz_o);
55: for (i=0; i<n_d; i++) {
56: nnz_o[i] = 0;
57: }
58: }
59: PetscStackCallStandard(HYPRE_IJMatrixSetDiagOffdSizes,(ij,(HYPRE_Int *)nnz_d,(HYPRE_Int *)nnz_o));
60: PetscFree(nnz_d);
61: PetscFree(nnz_o);
62: }
63: return(0);
64: }
66: static PetscErrorCode MatHYPRE_CreateFromMat(Mat A, Mat_HYPRE *hA)
67: {
69: PetscInt rstart,rend,cstart,cend;
72: PetscLayoutSetUp(A->rmap);
73: PetscLayoutSetUp(A->cmap);
74: rstart = A->rmap->rstart;
75: rend = A->rmap->rend;
76: cstart = A->cmap->rstart;
77: cend = A->cmap->rend;
78: PetscStackCallStandard(HYPRE_IJMatrixCreate,(hA->comm,rstart,rend-1,cstart,cend-1,&hA->ij));
79: PetscStackCallStandard(HYPRE_IJMatrixSetObjectType,(hA->ij,HYPRE_PARCSR));
80: {
81: PetscBool same;
82: Mat A_d,A_o;
83: const PetscInt *colmap;
84: PetscObjectTypeCompare((PetscObject)A,MATMPIAIJ,&same);
85: if (same) {
86: MatMPIAIJGetSeqAIJ(A,&A_d,&A_o,&colmap);
87: MatHYPRE_IJMatrixPreallocate(A_d,A_o,hA->ij);
88: return(0);
89: }
90: PetscObjectTypeCompare((PetscObject)A,MATMPIBAIJ,&same);
91: if (same) {
92: MatMPIBAIJGetSeqBAIJ(A,&A_d,&A_o,&colmap);
93: MatHYPRE_IJMatrixPreallocate(A_d,A_o,hA->ij);
94: return(0);
95: }
96: PetscObjectTypeCompare((PetscObject)A,MATSEQAIJ,&same);
97: if (same) {
98: MatHYPRE_IJMatrixPreallocate(A,NULL,hA->ij);
99: return(0);
100: }
101: PetscObjectTypeCompare((PetscObject)A,MATSEQBAIJ,&same);
102: if (same) {
103: MatHYPRE_IJMatrixPreallocate(A,NULL,hA->ij);
104: return(0);
105: }
106: }
107: return(0);
108: }
110: static PetscErrorCode MatHYPRE_IJMatrixCopy(Mat A, HYPRE_IJMatrix ij)
111: {
112: PetscErrorCode ierr;
113: PetscInt i,rstart,rend,ncols,nr,nc;
114: const PetscScalar *values;
115: const PetscInt *cols;
116: PetscBool flg;
119: PetscObjectTypeCompare((PetscObject)A,MATMPIAIJ,&flg);
120: MatGetSize(A,&nr,&nc);
121: if (flg && nr == nc) {
122: MatHYPRE_IJMatrixFastCopy_MPIAIJ(A,ij);
123: return(0);
124: }
125: PetscObjectTypeCompare((PetscObject)A,MATSEQAIJ,&flg);
126: if (flg) {
127: MatHYPRE_IJMatrixFastCopy_SeqAIJ(A,ij);
128: return(0);
129: }
131: PetscStackCallStandard(HYPRE_IJMatrixInitialize,(ij));
132: MatGetOwnershipRange(A,&rstart,&rend);
133: for (i=rstart; i<rend; i++) {
134: MatGetRow(A,i,&ncols,&cols,&values);
135: if (ncols) {
136: PetscStackCallStandard(HYPRE_IJMatrixSetValues,(ij,1,(HYPRE_Int *)&ncols,(HYPRE_Int *)&i,(HYPRE_Int *)cols,values));
137: }
138: MatRestoreRow(A,i,&ncols,&cols,&values);
139: }
140: return(0);
141: }
143: static PetscErrorCode MatHYPRE_IJMatrixFastCopy_SeqAIJ(Mat A, HYPRE_IJMatrix ij)
144: {
145: PetscErrorCode ierr;
146: Mat_SeqAIJ *pdiag = (Mat_SeqAIJ*)A->data;
147: HYPRE_Int type;
148: hypre_ParCSRMatrix *par_matrix;
149: hypre_AuxParCSRMatrix *aux_matrix;
150: hypre_CSRMatrix *hdiag;
153: PetscStackCallStandard(HYPRE_IJMatrixInitialize,(ij));
154: PetscStackCallStandard(HYPRE_IJMatrixGetObjectType,(ij,&type));
155: if (type != HYPRE_PARCSR) SETERRQ(PetscObjectComm((PetscObject)A),PETSC_ERR_SUP,"Only HYPRE_PARCSR is supported");
156: PetscStackCallStandard(HYPRE_IJMatrixGetObject,(ij,(void**)&par_matrix));
157: hdiag = hypre_ParCSRMatrixDiag(par_matrix);
158: /*
159: this is the Hack part where we monkey directly with the hypre datastructures
160: */
161: PetscMemcpy(hdiag->i,pdiag->i,(A->rmap->n + 1)*sizeof(PetscInt));
162: PetscMemcpy(hdiag->j,pdiag->j,pdiag->nz*sizeof(PetscInt));
163: PetscMemcpy(hdiag->data,pdiag->a,pdiag->nz*sizeof(PetscScalar));
165: aux_matrix = (hypre_AuxParCSRMatrix*)hypre_IJMatrixTranslator(ij);
166: hypre_AuxParCSRMatrixNeedAux(aux_matrix) = 0;
167: return(0);
168: }
170: static PetscErrorCode MatHYPRE_IJMatrixFastCopy_MPIAIJ(Mat A, HYPRE_IJMatrix ij)
171: {
172: PetscErrorCode ierr;
173: Mat_MPIAIJ *pA = (Mat_MPIAIJ*)A->data;
174: Mat_SeqAIJ *pdiag,*poffd;
175: PetscInt i,*garray = pA->garray,*jj,cstart,*pjj;
176: HYPRE_Int type;
177: hypre_ParCSRMatrix *par_matrix;
178: hypre_AuxParCSRMatrix *aux_matrix;
179: hypre_CSRMatrix *hdiag,*hoffd;
182: pdiag = (Mat_SeqAIJ*) pA->A->data;
183: poffd = (Mat_SeqAIJ*) pA->B->data;
184: /* cstart is only valid for square MPIAIJ layed out in the usual way */
185: MatGetOwnershipRange(A,&cstart,NULL);
187: PetscStackCallStandard(HYPRE_IJMatrixInitialize,(ij));
188: PetscStackCallStandard(HYPRE_IJMatrixGetObjectType,(ij,&type));
189: if (type != HYPRE_PARCSR) SETERRQ(PetscObjectComm((PetscObject)A),PETSC_ERR_SUP,"Only HYPRE_PARCSR is supported");
190: PetscStackCallStandard(HYPRE_IJMatrixGetObject,(ij,(void**)&par_matrix));
191: hdiag = hypre_ParCSRMatrixDiag(par_matrix);
192: hoffd = hypre_ParCSRMatrixOffd(par_matrix);
194: /*
195: this is the Hack part where we monkey directly with the hypre datastructures
196: */
197: PetscMemcpy(hdiag->i,pdiag->i,(pA->A->rmap->n + 1)*sizeof(PetscInt));
198: /* need to shift the diag column indices (hdiag->j) back to global numbering since hypre is expecting this */
199: jj = (PetscInt*)hdiag->j;
200: pjj = (PetscInt*)pdiag->j;
201: for (i=0; i<pdiag->nz; i++) jj[i] = cstart + pjj[i];
202: PetscMemcpy(hdiag->data,pdiag->a,pdiag->nz*sizeof(PetscScalar));
203: PetscMemcpy(hoffd->i,poffd->i,(pA->A->rmap->n + 1)*sizeof(PetscInt));
204: /* need to move the offd column indices (hoffd->j) back to global numbering since hypre is expecting this
205: If we hacked a hypre a bit more we might be able to avoid this step */
206: jj = (PetscInt*) hoffd->j;
207: pjj = (PetscInt*) poffd->j;
208: for (i=0; i<poffd->nz; i++) jj[i] = garray[pjj[i]];
209: PetscMemcpy(hoffd->data,poffd->a,poffd->nz*sizeof(PetscScalar));
211: aux_matrix = (hypre_AuxParCSRMatrix*)hypre_IJMatrixTranslator(ij);
212: hypre_AuxParCSRMatrixNeedAux(aux_matrix) = 0;
213: return(0);
214: }
216: static PetscErrorCode MatConvert_HYPRE_IS(Mat A, MatType mtype, MatReuse reuse, Mat* B)
217: {
218: Mat_HYPRE* mhA = (Mat_HYPRE*)(A->data);
219: Mat lA;
220: ISLocalToGlobalMapping rl2g,cl2g;
221: IS is;
222: hypre_ParCSRMatrix *hA;
223: hypre_CSRMatrix *hdiag,*hoffd;
224: MPI_Comm comm;
225: PetscScalar *hdd,*hod,*aa,*data;
226: HYPRE_Int *col_map_offd,*hdi,*hdj,*hoi,*hoj;
227: PetscInt *ii,*jj,*iptr,*jptr;
228: PetscInt cum,dr,dc,oc,str,stc,nnz,i,jd,jo,M,N;
229: HYPRE_Int type;
230: PetscErrorCode ierr;
233: comm = PetscObjectComm((PetscObject)A);
234: PetscStackCallStandard(HYPRE_IJMatrixGetObjectType,(mhA->ij,&type));
235: if (type != HYPRE_PARCSR) SETERRQ(comm,PETSC_ERR_SUP,"Only HYPRE_PARCSR is supported");
236: PetscStackCallStandard(HYPRE_IJMatrixGetObject,(mhA->ij,(void**)&hA));
237: M = hypre_ParCSRMatrixGlobalNumRows(hA);
238: N = hypre_ParCSRMatrixGlobalNumCols(hA);
239: str = hypre_ParCSRMatrixFirstRowIndex(hA);
240: stc = hypre_ParCSRMatrixFirstColDiag(hA);
241: hdiag = hypre_ParCSRMatrixDiag(hA);
242: hoffd = hypre_ParCSRMatrixOffd(hA);
243: dr = hypre_CSRMatrixNumRows(hdiag);
244: dc = hypre_CSRMatrixNumCols(hdiag);
245: nnz = hypre_CSRMatrixNumNonzeros(hdiag);
246: hdi = hypre_CSRMatrixI(hdiag);
247: hdj = hypre_CSRMatrixJ(hdiag);
248: hdd = hypre_CSRMatrixData(hdiag);
249: oc = hypre_CSRMatrixNumCols(hoffd);
250: nnz += hypre_CSRMatrixNumNonzeros(hoffd);
251: hoi = hypre_CSRMatrixI(hoffd);
252: hoj = hypre_CSRMatrixJ(hoffd);
253: hod = hypre_CSRMatrixData(hoffd);
254: if (reuse != MAT_REUSE_MATRIX) {
255: PetscInt *aux;
257: /* generate l2g maps for rows and cols */
258: ISCreateStride(comm,dr,str,1,&is);
259: ISLocalToGlobalMappingCreateIS(is,&rl2g);
260: ISDestroy(&is);
261: col_map_offd = hypre_ParCSRMatrixColMapOffd(hA);
262: PetscMalloc1(dc+oc,&aux);
263: for (i=0; i<dc; i++) aux[i] = i+stc;
264: for (i=0; i<oc; i++) aux[i+dc] = col_map_offd[i];
265: ISCreateGeneral(comm,dc+oc,aux,PETSC_OWN_POINTER,&is);
266: ISLocalToGlobalMappingCreateIS(is,&cl2g);
267: ISDestroy(&is);
268: /* create MATIS object */
269: MatCreate(comm,B);
270: MatSetSizes(*B,dr,dc,M,N);
271: MatSetType(*B,MATIS);
272: MatSetLocalToGlobalMapping(*B,rl2g,cl2g);
273: ISLocalToGlobalMappingDestroy(&rl2g);
274: ISLocalToGlobalMappingDestroy(&cl2g);
276: /* allocate CSR for local matrix */
277: PetscMalloc1(dr+1,&iptr);
278: PetscMalloc1(nnz,&jptr);
279: PetscMalloc1(nnz,&data);
280: } else {
281: PetscInt nr;
282: PetscBool done;
283: MatISGetLocalMat(*B,&lA);
284: MatGetRowIJ(lA,0,PETSC_FALSE,PETSC_FALSE,&nr,(const PetscInt**)&iptr,(const PetscInt**)&jptr,&done);
285: if (nr != dr) SETERRQ2(PETSC_COMM_SELF,PETSC_ERR_USER,"Cannot reuse mat: invalid number of rows in local mat! %D != %D",nr,dr);
286: if (iptr[nr] < nnz) SETERRQ2(PETSC_COMM_SELF,PETSC_ERR_USER,"Cannot reuse mat: invalid number of nonzeros in local mat! reuse %D requested %D",iptr[nr],nnz);
287: MatSeqAIJGetArray(lA,&data);
288: }
289: /* merge local matrices */
290: ii = iptr;
291: jj = jptr;
292: aa = data;
293: *ii = *(hdi++) + *(hoi++);
294: for (jd=0,jo=0,cum=0; *ii<nnz; cum++) {
295: PetscScalar *aold = aa;
296: PetscInt *jold = jj,nc = jd+jo;
297: for (; jd<*hdi; jd++) { *jj++ = *hdj++; *aa++ = *hdd++; }
298: for (; jo<*hoi; jo++) { *jj++ = *hoj++ + dc; *aa++ = *hod++; }
299: *(++ii) = *(hdi++) + *(hoi++);
300: PetscSortIntWithScalarArray(jd+jo-nc,jold,aold);
301: }
302: for (; cum<dr; cum++) *(++ii) = nnz;
303: if (reuse != MAT_REUSE_MATRIX) {
304: Mat_SeqAIJ* a;
306: MatCreateSeqAIJWithArrays(PETSC_COMM_SELF,dr,dc+oc,iptr,jptr,data,&lA);
307: MatISSetLocalMat(*B,lA);
308: /* hack SeqAIJ */
309: a = (Mat_SeqAIJ*)(lA->data);
310: a->free_a = PETSC_TRUE;
311: a->free_ij = PETSC_TRUE;
312: MatDestroy(&lA);
313: }
314: MatAssemblyBegin(*B,MAT_FINAL_ASSEMBLY);
315: MatAssemblyEnd(*B,MAT_FINAL_ASSEMBLY);
316: if (reuse == MAT_INPLACE_MATRIX) {
317: MatHeaderReplace(A,B);
318: }
319: return(0);
320: }
322: PETSC_INTERN PetscErrorCode MatConvert_AIJ_HYPRE(Mat A, MatType type, MatReuse reuse, Mat *B)
323: {
324: Mat_HYPRE *hB;
325: MPI_Comm comm = PetscObjectComm((PetscObject)A);
329: if (reuse == MAT_INPLACE_MATRIX) SETERRQ(comm,PETSC_ERR_SUP,"Unsupported MAT_INPLACE_MATRIX");
330: if (reuse == MAT_REUSE_MATRIX) {
331: /* always destroy the old matrix and create a new memory;
332: hope this does not churn the memory too much. The problem
333: is I do not know if it is possible to put the matrix back to
334: its initial state so that we can directly copy the values
335: the second time through. */
336: hB = (Mat_HYPRE*)((*B)->data);
337: PetscStackCallStandard(HYPRE_IJMatrixDestroy,(hB->ij));
338: } else {
339: MatCreate(comm,B);
340: MatSetType(*B,MATHYPRE);
341: MatSetSizes(*B,A->rmap->n,A->cmap->n,A->rmap->N,A->cmap->N);
342: hB = (Mat_HYPRE*)((*B)->data);
343: }
344: MatHYPRE_CreateFromMat(A,hB);
345: MatHYPRE_IJMatrixCopy(A,hB->ij);
346: (*B)->preallocated = PETSC_TRUE;
347: MatAssemblyBegin(*B,MAT_FINAL_ASSEMBLY);
348: MatAssemblyEnd(*B,MAT_FINAL_ASSEMBLY);
349: return(0);
350: }
352: static PetscErrorCode MatConvert_HYPRE_AIJ(Mat A, MatType mtype, MatReuse reuse, Mat *B)
353: {
354: Mat_HYPRE *hA = (Mat_HYPRE*)A->data;
355: hypre_ParCSRMatrix *parcsr;
356: hypre_CSRMatrix *hdiag,*hoffd;
357: MPI_Comm comm;
358: PetscScalar *da,*oa,*aptr;
359: PetscInt *dii,*djj,*oii,*ojj,*iptr;
360: PetscInt i,dnnz,onnz,m,n;
361: HYPRE_Int type;
362: PetscMPIInt size;
363: PetscErrorCode ierr;
366: comm = PetscObjectComm((PetscObject)A);
367: PetscStackCallStandard(HYPRE_IJMatrixGetObjectType,(hA->ij,&type));
368: if (type != HYPRE_PARCSR) SETERRQ(comm,PETSC_ERR_SUP,"Only HYPRE_PARCSR is supported");
369: if (reuse == MAT_REUSE_MATRIX) {
370: PetscBool ismpiaij,isseqaij;
371: PetscObjectTypeCompare((PetscObject)*B,MATMPIAIJ,&ismpiaij);
372: PetscObjectBaseTypeCompare((PetscObject)*B,MATSEQAIJ,&isseqaij);
373: if (!ismpiaij && !isseqaij) SETERRQ(comm,PETSC_ERR_SUP,"Only MATMPIAIJ or MATSEQAIJ are supported");
374: }
375: MPI_Comm_size(comm,&size);
377: PetscStackCallStandard(HYPRE_IJMatrixGetObject,(hA->ij,(void**)&parcsr));
378: hdiag = hypre_ParCSRMatrixDiag(parcsr);
379: hoffd = hypre_ParCSRMatrixOffd(parcsr);
380: m = hypre_CSRMatrixNumRows(hdiag);
381: n = hypre_CSRMatrixNumCols(hdiag);
382: dnnz = hypre_CSRMatrixNumNonzeros(hdiag);
383: onnz = hypre_CSRMatrixNumNonzeros(hoffd);
384: if (reuse == MAT_INITIAL_MATRIX) {
385: PetscMalloc1(m+1,&dii);
386: PetscMalloc1(dnnz,&djj);
387: PetscMalloc1(dnnz,&da);
388: } else if (reuse == MAT_REUSE_MATRIX) {
389: PetscInt nr;
390: PetscBool done;
391: if (size > 1) {
392: Mat_MPIAIJ *b = (Mat_MPIAIJ*)((*B)->data);
394: MatGetRowIJ(b->A,0,PETSC_FALSE,PETSC_FALSE,&nr,(const PetscInt**)&dii,(const PetscInt**)&djj,&done);
395: if (nr != m) SETERRQ2(PETSC_COMM_SELF,PETSC_ERR_USER,"Cannot reuse mat: invalid number of local rows in diag part! %D != %D",nr,m);
396: if (dii[nr] < dnnz) SETERRQ2(PETSC_COMM_SELF,PETSC_ERR_USER,"Cannot reuse mat: invalid number of nonzeros in diag part! reuse %D hypre %D",dii[nr],dnnz);
397: MatSeqAIJGetArray(b->A,&da);
398: } else {
399: MatGetRowIJ(*B,0,PETSC_FALSE,PETSC_FALSE,&nr,(const PetscInt**)&dii,(const PetscInt**)&djj,&done);
400: if (nr != m) SETERRQ2(PETSC_COMM_SELF,PETSC_ERR_USER,"Cannot reuse mat: invalid number of local rows! %D != %D",nr,m);
401: if (dii[nr] < dnnz) SETERRQ2(PETSC_COMM_SELF,PETSC_ERR_USER,"Cannot reuse mat: invalid number of nonzeros! reuse %D hypre %D",dii[nr],dnnz);
402: MatSeqAIJGetArray(*B,&da);
403: }
404: } else { /* MAT_INPLACE_MATRIX */
405: dii = (PetscInt*)hypre_CSRMatrixI(hdiag);
406: djj = (PetscInt*)hypre_CSRMatrixJ(hdiag);
407: da = hypre_CSRMatrixData(hdiag);
408: }
409: PetscMemcpy(dii,hypre_CSRMatrixI(hdiag),(m+1)*sizeof(PetscInt));
410: PetscMemcpy(djj,hypre_CSRMatrixJ(hdiag),dnnz*sizeof(PetscInt));
411: PetscMemcpy(da,hypre_CSRMatrixData(hdiag),dnnz*sizeof(PetscScalar));
412: iptr = djj;
413: aptr = da;
414: for (i=0; i<m; i++) {
415: PetscInt nc = dii[i+1]-dii[i];
416: PetscSortIntWithScalarArray(nc,iptr,aptr);
417: iptr += nc;
418: aptr += nc;
419: }
420: if (size > 1) {
421: HYPRE_Int *offdj,*coffd;
423: if (reuse == MAT_INITIAL_MATRIX) {
424: PetscMalloc1(m+1,&oii);
425: PetscMalloc1(onnz,&ojj);
426: PetscMalloc1(onnz,&oa);
427: } else if (reuse == MAT_REUSE_MATRIX) {
428: Mat_MPIAIJ *b = (Mat_MPIAIJ*)((*B)->data);
429: PetscInt nr,hr = hypre_CSRMatrixNumRows(hoffd);
430: PetscBool done;
432: MatGetRowIJ(b->B,0,PETSC_FALSE,PETSC_FALSE,&nr,(const PetscInt**)&oii,(const PetscInt**)&ojj,&done);
433: if (nr != hr) SETERRQ2(PETSC_COMM_SELF,PETSC_ERR_USER,"Cannot reuse mat: invalid number of local rows in offdiag part! %D != %D",nr,hr);
434: if (oii[nr] < onnz) SETERRQ2(PETSC_COMM_SELF,PETSC_ERR_USER,"Cannot reuse mat: invalid number of nonzeros in offdiag part! reuse %D hypre %D",oii[nr],onnz);
435: MatSeqAIJGetArray(b->B,&oa);
436: } else { /* MAT_INPLACE_MATRIX */
437: oii = (PetscInt*)hypre_CSRMatrixI(hoffd);
438: ojj = (PetscInt*)hypre_CSRMatrixJ(hoffd);
439: oa = hypre_CSRMatrixData(hoffd);
440: }
441: PetscMemcpy(oii,hypre_CSRMatrixI(hoffd),(m+1)*sizeof(PetscInt));
442: offdj = hypre_CSRMatrixJ(hoffd);
443: coffd = hypre_ParCSRMatrixColMapOffd(parcsr);
444: for (i=0; i<onnz; i++) ojj[i] = coffd[offdj[i]];
445: PetscMemcpy(oa,hypre_CSRMatrixData(hoffd),onnz*sizeof(PetscScalar));
446: iptr = ojj;
447: aptr = oa;
448: for (i=0; i<m; i++) {
449: PetscInt nc = oii[i+1]-oii[i];
450: PetscSortIntWithScalarArray(nc,iptr,aptr);
451: iptr += nc;
452: aptr += nc;
453: }
454: if (reuse == MAT_INITIAL_MATRIX) {
455: Mat_MPIAIJ *b;
456: Mat_SeqAIJ *d,*o;
458: MatCreateMPIAIJWithSplitArrays(comm,m,n,PETSC_DECIDE,PETSC_DECIDE,dii,djj,da,oii,ojj,oa,B);
459: /* hack MPIAIJ */
460: b = (Mat_MPIAIJ*)((*B)->data);
461: d = (Mat_SeqAIJ*)b->A->data;
462: o = (Mat_SeqAIJ*)b->B->data;
463: d->free_a = PETSC_TRUE;
464: d->free_ij = PETSC_TRUE;
465: o->free_a = PETSC_TRUE;
466: o->free_ij = PETSC_TRUE;
467: } else if (reuse == MAT_INPLACE_MATRIX) {
468: Mat T;
469: MatCreateMPIAIJWithSplitArrays(comm,m,n,PETSC_DECIDE,PETSC_DECIDE,dii,djj,da,oii,ojj,oa,&T);
470: hypre_CSRMatrixI(hdiag) = NULL;
471: hypre_CSRMatrixJ(hdiag) = NULL;
472: hypre_CSRMatrixData(hdiag) = NULL;
473: hypre_CSRMatrixI(hoffd) = NULL;
474: hypre_CSRMatrixJ(hoffd) = NULL;
475: hypre_CSRMatrixData(hoffd) = NULL;
476: MatHeaderReplace(A,&T);
477: }
478: } else {
479: oii = NULL;
480: ojj = NULL;
481: oa = NULL;
482: if (reuse == MAT_INITIAL_MATRIX) {
483: Mat_SeqAIJ* b;
484: MatCreateSeqAIJWithArrays(comm,m,n,dii,djj,da,B);
485: /* hack SeqAIJ */
486: b = (Mat_SeqAIJ*)((*B)->data);
487: b->free_a = PETSC_TRUE;
488: b->free_ij = PETSC_TRUE;
489: } else if (reuse == MAT_INPLACE_MATRIX) {
490: Mat T;
491: MatCreateSeqAIJWithArrays(comm,m,n,dii,djj,da,&T);
492: hypre_CSRMatrixI(hdiag) = NULL;
493: hypre_CSRMatrixJ(hdiag) = NULL;
494: hypre_CSRMatrixData(hdiag) = NULL;
495: MatHeaderReplace(A,&T);
496: }
497: }
499: /* we have to use hypre_Tfree to free the arrays */
500: if (reuse == MAT_INPLACE_MATRIX) {
501: void *ptrs[6] = {dii,djj,da,oii,ojj,oa};
502: const char *names[6] = {"_hypre_csr_dii",
503: "_hypre_csr_djj",
504: "_hypre_csr_da",
505: "_hypre_csr_oii",
506: "_hypre_csr_ojj",
507: "_hypre_csr_oa"};
508: for (i=0; i<6; i++) {
509: PetscContainer c;
511: PetscContainerCreate(comm,&c);
512: PetscContainerSetPointer(c,ptrs[i]);
513: PetscContainerSetUserDestroy(c,hypre_array_destroy);
514: PetscObjectCompose((PetscObject)(*B),names[i],(PetscObject)c);
515: PetscContainerDestroy(&c);
516: }
517: }
518: return(0);
519: }
521: static PetscErrorCode MatAIJGetParCSR_Private(Mat A, hypre_ParCSRMatrix **hA)
522: {
523: hypre_ParCSRMatrix *tA;
524: hypre_CSRMatrix *hdiag,*hoffd;
525: Mat_SeqAIJ *diag,*offd;
526: PetscInt *garray,noffd,dnnz,onnz,*row_starts,*col_starts;
527: MPI_Comm comm = PetscObjectComm((PetscObject)A);
528: PetscBool ismpiaij,isseqaij;
529: PetscErrorCode ierr;
532: PetscObjectTypeCompare((PetscObject)A,MATMPIAIJ,&ismpiaij);
533: PetscObjectBaseTypeCompare((PetscObject)A,MATSEQAIJ,&isseqaij);
534: if (!ismpiaij && !isseqaij) SETERRQ1(comm,PETSC_ERR_SUP,"Unsupported type %s",((PetscObject)A)->type);
535: if (ismpiaij) {
536: Mat_MPIAIJ *a = (Mat_MPIAIJ*)(A->data);
538: diag = (Mat_SeqAIJ*)a->A->data;
539: offd = (Mat_SeqAIJ*)a->B->data;
540: garray = a->garray;
541: noffd = a->B->cmap->N;
542: dnnz = diag->nz;
543: onnz = offd->nz;
544: } else {
545: diag = (Mat_SeqAIJ*)A->data;
546: offd = NULL;
547: garray = NULL;
548: noffd = 0;
549: dnnz = diag->nz;
550: onnz = 0;
551: }
553: /* create a temporary ParCSR */
554: if (HYPRE_AssumedPartitionCheck()) {
555: PetscMPIInt myid;
557: MPI_Comm_rank(comm,&myid);
558: row_starts = A->rmap->range + myid;
559: col_starts = A->cmap->range + myid;
560: } else {
561: row_starts = A->rmap->range;
562: col_starts = A->cmap->range;
563: }
564: tA = hypre_ParCSRMatrixCreate(comm,A->rmap->N,A->cmap->N,(HYPRE_Int*)row_starts,(HYPRE_Int*)col_starts,noffd,dnnz,onnz);
565: hypre_ParCSRMatrixSetRowStartsOwner(tA,0);
566: hypre_ParCSRMatrixSetColStartsOwner(tA,0);
568: /* set diagonal part */
569: hdiag = hypre_ParCSRMatrixDiag(tA);
570: hypre_CSRMatrixI(hdiag) = (HYPRE_Int*)diag->i;
571: hypre_CSRMatrixJ(hdiag) = (HYPRE_Int*)diag->j;
572: hypre_CSRMatrixData(hdiag) = diag->a;
573: hypre_CSRMatrixNumNonzeros(hdiag) = diag->nz;
574: hypre_CSRMatrixSetRownnz(hdiag);
575: hypre_CSRMatrixSetDataOwner(hdiag,0);
577: /* set offdiagonal part */
578: hoffd = hypre_ParCSRMatrixOffd(tA);
579: if (offd) {
580: hypre_CSRMatrixI(hoffd) = (HYPRE_Int*)offd->i;
581: hypre_CSRMatrixJ(hoffd) = (HYPRE_Int*)offd->j;
582: hypre_CSRMatrixData(hoffd) = offd->a;
583: hypre_CSRMatrixNumNonzeros(hoffd) = offd->nz;
584: hypre_CSRMatrixSetRownnz(hoffd);
585: hypre_CSRMatrixSetDataOwner(hoffd,0);
586: hypre_ParCSRMatrixSetNumNonzeros(tA);
587: hypre_ParCSRMatrixColMapOffd(tA) = (HYPRE_Int*)garray;
588: }
589: *hA = tA;
590: return(0);
591: }
593: static PetscErrorCode MatAIJRestoreParCSR_Private(Mat A, hypre_ParCSRMatrix **hA)
594: {
595: hypre_CSRMatrix *hdiag,*hoffd;
598: hdiag = hypre_ParCSRMatrixDiag(*hA);
599: hoffd = hypre_ParCSRMatrixOffd(*hA);
600: /* set pointers to NULL before destroying tA */
601: hypre_CSRMatrixI(hdiag) = NULL;
602: hypre_CSRMatrixJ(hdiag) = NULL;
603: hypre_CSRMatrixData(hdiag) = NULL;
604: hypre_CSRMatrixI(hoffd) = NULL;
605: hypre_CSRMatrixJ(hoffd) = NULL;
606: hypre_CSRMatrixData(hoffd) = NULL;
607: hypre_ParCSRMatrixColMapOffd(*hA) = NULL;
608: hypre_ParCSRMatrixDestroy(*hA);
609: *hA = NULL;
610: return(0);
611: }
613: /* calls RAP from BoomerAMG:
614: the resulting ParCSR will not own the column and row starts
615: It looks like we don't need to have the diagonal entries
616: ordered first in the rows of the diagonal part
617: for boomerAMGBuildCoarseOperator to work */
618: static PetscErrorCode MatHYPRE_ParCSR_RAP(hypre_ParCSRMatrix *hR, hypre_ParCSRMatrix *hA,hypre_ParCSRMatrix *hP, hypre_ParCSRMatrix **hRAP)
619: {
621: HYPRE_Int P_owns_col_starts,R_owns_row_starts;
624: P_owns_col_starts = hypre_ParCSRMatrixOwnsColStarts(hP);
625: R_owns_row_starts = hypre_ParCSRMatrixOwnsRowStarts(hR);
626: PetscStackCallStandard(hypre_BoomerAMGBuildCoarseOperator,(hR,hA,hP,hRAP));
627: PetscStackCallStandard(hypre_ParCSRMatrixSetNumNonzeros,(*hRAP));
628: /* hypre_BoomerAMGBuildCoarseOperator steals the col_starts from P and the row_starts from R */
629: hypre_ParCSRMatrixSetRowStartsOwner(*hRAP,0);
630: hypre_ParCSRMatrixSetColStartsOwner(*hRAP,0);
631: if (P_owns_col_starts) hypre_ParCSRMatrixSetColStartsOwner(hP,1);
632: if (R_owns_row_starts) hypre_ParCSRMatrixSetRowStartsOwner(hR,1);
633: return(0);
634: }
636: static PetscErrorCode MatPtAPNumeric_AIJ_AIJ_wHYPRE(Mat A,Mat P,Mat C)
637: {
638: Mat B;
639: hypre_ParCSRMatrix *hA,*hP,*hPtAP;
640: PetscErrorCode ierr;
643: MatAIJGetParCSR_Private(A,&hA);
644: MatAIJGetParCSR_Private(P,&hP);
645: MatHYPRE_ParCSR_RAP(hP,hA,hP,&hPtAP);
646: MatCreateFromParCSR(hPtAP,MATAIJ,PETSC_OWN_POINTER,&B);
647: MatHeaderMerge(C,&B);
648: MatAIJRestoreParCSR_Private(A,&hA);
649: MatAIJRestoreParCSR_Private(P,&hP);
650: return(0);
651: }
653: PETSC_INTERN PetscErrorCode MatPtAPSymbolic_AIJ_AIJ_wHYPRE(Mat A,Mat P,PetscReal fill,Mat *C)
654: {
655: PetscErrorCode ierr;
657: MatCreate(PetscObjectComm((PetscObject)A),C);
658: MatSetType(*C,MATAIJ);
659: (*C)->ops->ptapnumeric = MatPtAPNumeric_AIJ_AIJ_wHYPRE;
660: return(0);
661: }
663: static PetscErrorCode MatPtAPNumeric_AIJ_HYPRE(Mat A,Mat P,Mat C)
664: {
665: Mat B;
666: Mat_HYPRE *hP;
667: hypre_ParCSRMatrix *hA = NULL,*Pparcsr,*ptapparcsr;
668: HYPRE_Int type;
669: MPI_Comm comm = PetscObjectComm((PetscObject)A);
670: PetscBool ishypre;
671: PetscErrorCode ierr;
674: PetscObjectTypeCompare((PetscObject)P,MATHYPRE,&ishypre);
675: if (!ishypre) SETERRQ1(comm,PETSC_ERR_USER,"P should be of type %s",MATHYPRE);
676: hP = (Mat_HYPRE*)P->data;
677: PetscStackCallStandard(HYPRE_IJMatrixGetObjectType,(hP->ij,&type));
678: if (type != HYPRE_PARCSR) SETERRQ(comm,PETSC_ERR_SUP,"Only HYPRE_PARCSR is supported");
679: PetscStackCallStandard(HYPRE_IJMatrixGetObject,(hP->ij,(void**)&Pparcsr));
681: MatAIJGetParCSR_Private(A,&hA);
682: MatHYPRE_ParCSR_RAP(Pparcsr,hA,Pparcsr,&ptapparcsr);
683: MatAIJRestoreParCSR_Private(A,&hA);
685: /* create temporary matrix and merge to C */
686: MatCreateFromParCSR(ptapparcsr,((PetscObject)C)->type_name,PETSC_OWN_POINTER,&B);
687: MatHeaderMerge(C,&B);
688: return(0);
689: }
691: static PetscErrorCode MatPtAP_AIJ_HYPRE(Mat A,Mat P,MatReuse scall,PetscReal fill,Mat *C)
692: {
696: if (scall == MAT_INITIAL_MATRIX) {
697: const char *deft = MATAIJ;
698: char type[256];
699: PetscBool flg;
701: PetscObjectOptionsBegin((PetscObject)A);
702: PetscOptionsFList("-matptap_hypre_outtype","Matrix type",NULL,MatList,deft,type,256,&flg);
703: PetscOptionsEnd();
704: PetscLogEventBegin(MAT_PtAPSymbolic,A,P,0,0);
705: MatCreate(PetscObjectComm((PetscObject)A),C);
706: if (flg) {
707: MatSetType(*C,type);
708: } else {
709: MatSetType(*C,deft);
710: }
711: (*C)->ops->ptapnumeric = MatPtAPNumeric_AIJ_HYPRE;
712: PetscLogEventEnd(MAT_PtAPSymbolic,A,P,0,0);
713: }
714: PetscLogEventBegin(MAT_PtAPNumeric,A,P,0,0);
715: (*(*C)->ops->ptapnumeric)(A,P,*C);
716: PetscLogEventEnd(MAT_PtAPNumeric,A,P,0,0);
717: return(0);
718: }
720: static PetscErrorCode MatPtAPNumeric_HYPRE_HYPRE(Mat A,Mat P,Mat C)
721: {
722: Mat B;
723: hypre_ParCSRMatrix *Aparcsr,*Pparcsr,*ptapparcsr;
724: Mat_HYPRE *hA,*hP;
725: PetscBool ishypre;
726: HYPRE_Int type;
727: PetscErrorCode ierr;
730: PetscObjectTypeCompare((PetscObject)P,MATHYPRE,&ishypre);
731: if (!ishypre) SETERRQ1(PetscObjectComm((PetscObject)P),PETSC_ERR_USER,"P should be of type %s",MATHYPRE);
732: PetscObjectTypeCompare((PetscObject)A,MATHYPRE,&ishypre);
733: if (!ishypre) SETERRQ1(PetscObjectComm((PetscObject)A),PETSC_ERR_USER,"A should be of type %s",MATHYPRE);
734: hA = (Mat_HYPRE*)A->data;
735: hP = (Mat_HYPRE*)P->data;
736: PetscStackCallStandard(HYPRE_IJMatrixGetObjectType,(hA->ij,&type));
737: if (type != HYPRE_PARCSR) SETERRQ(PetscObjectComm((PetscObject)A),PETSC_ERR_SUP,"Only HYPRE_PARCSR is supported");
738: PetscStackCallStandard(HYPRE_IJMatrixGetObjectType,(hP->ij,&type));
739: if (type != HYPRE_PARCSR) SETERRQ(PetscObjectComm((PetscObject)P),PETSC_ERR_SUP,"Only HYPRE_PARCSR is supported");
740: PetscStackCallStandard(HYPRE_IJMatrixGetObject,(hA->ij,(void**)&Aparcsr));
741: PetscStackCallStandard(HYPRE_IJMatrixGetObject,(hP->ij,(void**)&Pparcsr));
742: MatHYPRE_ParCSR_RAP(Pparcsr,Aparcsr,Pparcsr,&ptapparcsr);
743: MatCreateFromParCSR(ptapparcsr,MATHYPRE,PETSC_OWN_POINTER,&B);
744: MatHeaderMerge(C,&B);
745: return(0);
746: }
748: static PetscErrorCode MatPtAP_HYPRE_HYPRE(Mat A,Mat P,MatReuse scall,PetscReal fill,Mat *C)
749: {
753: if (scall == MAT_INITIAL_MATRIX) {
754: PetscLogEventBegin(MAT_PtAPSymbolic,A,P,0,0);
755: MatCreate(PetscObjectComm((PetscObject)A),C);
756: MatSetType(*C,MATHYPRE);
757: (*C)->ops->ptapnumeric = MatPtAPNumeric_HYPRE_HYPRE;
758: PetscLogEventEnd(MAT_PtAPSymbolic,A,P,0,0);
759: }
760: PetscLogEventBegin(MAT_PtAPNumeric,A,P,0,0);
761: (*(*C)->ops->ptapnumeric)(A,P,*C);
762: PetscLogEventEnd(MAT_PtAPNumeric,A,P,0,0);
763: return(0);
764: }
766: /* calls hypre_ParMatmul
767: hypre_ParMatMul uses hypre_ParMatrixCreate with the communicator of hA
768: hypre_ParMatrixCreate does not duplicate the communicator
769: It looks like we don't need to have the diagonal entries
770: ordered first in the rows of the diagonal part
771: for boomerAMGBuildCoarseOperator to work */
772: static PetscErrorCode MatHYPRE_ParCSR_MatMatMult(hypre_ParCSRMatrix *hA, hypre_ParCSRMatrix *hB, hypre_ParCSRMatrix **hAB)
773: {
775: PetscStackPush("hypre_ParMatmul");
776: *hAB = hypre_ParMatmul(hA,hB);
777: PetscStackPop;
778: return(0);
779: }
781: static PetscErrorCode MatMatMultNumeric_AIJ_AIJ_wHYPRE(Mat A,Mat B,Mat C)
782: {
783: Mat D;
784: hypre_ParCSRMatrix *hA,*hB,*hAB = NULL;
785: PetscErrorCode ierr;
788: MatAIJGetParCSR_Private(A,&hA);
789: MatAIJGetParCSR_Private(B,&hB);
790: MatHYPRE_ParCSR_MatMatMult(hA,hB,&hAB);
791: MatCreateFromParCSR(hAB,MATAIJ,PETSC_OWN_POINTER,&D);
792: MatHeaderMerge(C,&D);
793: MatAIJRestoreParCSR_Private(A,&hA);
794: MatAIJRestoreParCSR_Private(B,&hB);
795: return(0);
796: }
798: PETSC_INTERN PetscErrorCode MatMatMultSymbolic_AIJ_AIJ_wHYPRE(Mat A,Mat B,PetscReal fill,Mat *C)
799: {
803: MatCreate(PetscObjectComm((PetscObject)A),C);
804: MatSetType(*C,MATAIJ);
805: (*C)->ops->matmultnumeric = MatMatMultNumeric_AIJ_AIJ_wHYPRE;
806: return(0);
807: }
809: static PetscErrorCode MatMatMultNumeric_HYPRE_HYPRE(Mat A,Mat B,Mat C)
810: {
811: Mat D;
812: hypre_ParCSRMatrix *Aparcsr,*Bparcsr,*ABparcsr = NULL;
813: Mat_HYPRE *hA,*hB;
814: PetscBool ishypre;
815: HYPRE_Int type;
816: PetscErrorCode ierr;
819: PetscObjectTypeCompare((PetscObject)B,MATHYPRE,&ishypre);
820: if (!ishypre) SETERRQ1(PetscObjectComm((PetscObject)B),PETSC_ERR_USER,"B should be of type %s",MATHYPRE);
821: PetscObjectTypeCompare((PetscObject)A,MATHYPRE,&ishypre);
822: if (!ishypre) SETERRQ1(PetscObjectComm((PetscObject)A),PETSC_ERR_USER,"A should be of type %s",MATHYPRE);
823: hA = (Mat_HYPRE*)A->data;
824: hB = (Mat_HYPRE*)B->data;
825: PetscStackCallStandard(HYPRE_IJMatrixGetObjectType,(hA->ij,&type));
826: if (type != HYPRE_PARCSR) SETERRQ(PetscObjectComm((PetscObject)A),PETSC_ERR_SUP,"Only HYPRE_PARCSR is supported");
827: PetscStackCallStandard(HYPRE_IJMatrixGetObjectType,(hB->ij,&type));
828: if (type != HYPRE_PARCSR) SETERRQ(PetscObjectComm((PetscObject)B),PETSC_ERR_SUP,"Only HYPRE_PARCSR is supported");
829: PetscStackCallStandard(HYPRE_IJMatrixGetObject,(hA->ij,(void**)&Aparcsr));
830: PetscStackCallStandard(HYPRE_IJMatrixGetObject,(hB->ij,(void**)&Bparcsr));
831: MatHYPRE_ParCSR_MatMatMult(Aparcsr,Bparcsr,&ABparcsr);
832: MatCreateFromParCSR(ABparcsr,MATHYPRE,PETSC_OWN_POINTER,&D);
833: /* need to use HeaderReplace because HeaderMerge messes up with the communicator */
834: MatHeaderReplace(C,&D);
835: C->ops->matmultnumeric = MatMatMultNumeric_HYPRE_HYPRE;
836: return(0);
837: }
839: static PetscErrorCode MatMatMult_HYPRE_HYPRE(Mat A,Mat B,MatReuse scall,PetscReal fill,Mat *C)
840: {
844: if (scall == MAT_INITIAL_MATRIX) {
845: PetscLogEventBegin(MAT_MatMultSymbolic,A,B,0,0);
846: MatCreate(PetscObjectComm((PetscObject)A),C);
847: MatSetType(*C,MATHYPRE);
848: (*C)->ops->matmultnumeric = MatMatMultNumeric_HYPRE_HYPRE;
849: PetscLogEventEnd(MAT_MatMultSymbolic,A,B,0,0);
850: }
851: PetscLogEventBegin(MAT_MatMultNumeric,A,B,0,0);
852: (*(*C)->ops->matmultnumeric)(A,B,*C);
853: PetscLogEventEnd(MAT_MatMultNumeric,A,B,0,0);
854: return(0);
855: }
857: PETSC_INTERN PetscErrorCode MatTransposeMatMatMultNumeric_AIJ_AIJ_AIJ_wHYPRE(Mat A,Mat B,Mat C,Mat D)
858: {
859: Mat E;
860: hypre_ParCSRMatrix *hA,*hB,*hC,*hABC;
861: PetscErrorCode ierr;
864: MatAIJGetParCSR_Private(A,&hA);
865: MatAIJGetParCSR_Private(B,&hB);
866: MatAIJGetParCSR_Private(C,&hC);
867: MatHYPRE_ParCSR_RAP(hA,hB,hC,&hABC);
868: MatCreateFromParCSR(hABC,MATAIJ,PETSC_OWN_POINTER,&E);
869: MatHeaderMerge(D,&E);
870: MatAIJRestoreParCSR_Private(A,&hA);
871: MatAIJRestoreParCSR_Private(B,&hB);
872: MatAIJRestoreParCSR_Private(C,&hC);
873: return(0);
874: }
876: PETSC_INTERN PetscErrorCode MatTransposeMatMatMultSymbolic_AIJ_AIJ_AIJ_wHYPRE(Mat A,Mat B,Mat C,PetscReal fill,Mat *D)
877: {
881: MatCreate(PetscObjectComm((PetscObject)A),D);
882: MatSetType(*D,MATAIJ);
883: return(0);
884: }
886: static PetscErrorCode MatMultTranspose_HYPRE(Mat A, Vec x, Vec y)
887: {
891: MatHYPRE_MultKernel_Private(A,x,y,PETSC_TRUE);
892: return(0);
893: }
895: static PetscErrorCode MatMult_HYPRE(Mat A, Vec x, Vec y)
896: {
900: MatHYPRE_MultKernel_Private(A,x,y,PETSC_FALSE);
901: return(0);
902: }
904: static PetscErrorCode MatHYPRE_MultKernel_Private(Mat A, Vec x, Vec y, PetscBool trans)
905: {
906: Mat_HYPRE *hA = (Mat_HYPRE*)A->data;
907: hypre_ParCSRMatrix *parcsr;
908: hypre_ParVector *hx,*hy;
909: PetscScalar *ax,*ay,*sax,*say;
910: PetscErrorCode ierr;
913: PetscStackCallStandard(HYPRE_IJMatrixGetObject,(hA->ij,(void**)&parcsr));
914: PetscStackCallStandard(HYPRE_IJVectorGetObject,(hA->x,(void**)&hx));
915: PetscStackCallStandard(HYPRE_IJVectorGetObject,(hA->b,(void**)&hy));
916: VecGetArrayRead(x,(const PetscScalar**)&ax);
917: VecGetArray(y,&ay);
918: if (trans) {
919: VecHYPRE_ParVectorReplacePointer(hA->x,ay,say);
920: VecHYPRE_ParVectorReplacePointer(hA->b,ax,sax);
921: hypre_ParCSRMatrixMatvecT(1.,parcsr,hy,0.,hx);
922: VecHYPRE_ParVectorReplacePointer(hA->x,say,ay);
923: VecHYPRE_ParVectorReplacePointer(hA->b,sax,ax);
924: } else {
925: VecHYPRE_ParVectorReplacePointer(hA->x,ax,sax);
926: VecHYPRE_ParVectorReplacePointer(hA->b,ay,say);
927: hypre_ParCSRMatrixMatvec(1.,parcsr,hx,0.,hy);
928: VecHYPRE_ParVectorReplacePointer(hA->x,sax,ax);
929: VecHYPRE_ParVectorReplacePointer(hA->b,say,ay);
930: }
931: VecRestoreArrayRead(x,(const PetscScalar**)&ax);
932: VecRestoreArray(y,&ay);
933: return(0);
934: }
936: static PetscErrorCode MatDestroy_HYPRE(Mat A)
937: {
938: Mat_HYPRE *hA = (Mat_HYPRE*)A->data;
942: if (hA->x) PetscStackCallStandard(HYPRE_IJVectorDestroy,(hA->x));
943: if (hA->b) PetscStackCallStandard(HYPRE_IJVectorDestroy,(hA->b));
944: if (hA->ij) {
945: if (!hA->inner_free) hypre_IJMatrixObject(hA->ij) = NULL;
946: PetscStackCallStandard(HYPRE_IJMatrixDestroy,(hA->ij));
947: }
948: if (hA->comm) { MPI_Comm_free(&hA->comm); }
949: PetscObjectComposeFunction((PetscObject)A,"MatConvert_hypre_aij_C",NULL);
950: PetscObjectComposeFunction((PetscObject)A,"MatConvert_hypre_is_C",NULL);
951: PetscObjectComposeFunction((PetscObject)A,"MatPtAP_seqaij_hypre_C",NULL);
952: PetscObjectComposeFunction((PetscObject)A,"MatPtAP_mpiaij_hypre_C",NULL);
953: PetscObjectComposeFunction((PetscObject)A,"MatHYPRESetPreallocation_C",NULL);
954: PetscObjectComposeFunction((PetscObject)A,"MatHYPREGetParCSR_C",NULL);
955: PetscFree(A->data);
956: return(0);
957: }
959: static PetscErrorCode MatSetUp_HYPRE(Mat A)
960: {
964: MatHYPRESetPreallocation(A,PETSC_DEFAULT,NULL,PETSC_DEFAULT,NULL);
965: return(0);
966: }
968: static PetscErrorCode MatAssemblyEnd_HYPRE(Mat A, MatAssemblyType mode)
969: {
970: Mat_HYPRE *hA = (Mat_HYPRE*)A->data;
971: Vec x,b;
972: PetscErrorCode ierr;
975: if (mode == MAT_FLUSH_ASSEMBLY) SETERRQ(PetscObjectComm((PetscObject)A),PETSC_ERR_SUP,"MAT_FLUSH_ASSEMBLY currently not supported with MATHYPRE");
976: PetscStackCallStandard(HYPRE_IJMatrixAssemble,(hA->ij));
977: if (hA->x) return(0);
978: PetscLayoutSetUp(A->rmap);
979: PetscLayoutSetUp(A->cmap);
980: VecCreateMPIWithArray(PetscObjectComm((PetscObject)A),1,A->cmap->n,A->cmap->N,NULL,&x);
981: VecCreateMPIWithArray(PetscObjectComm((PetscObject)A),1,A->rmap->n,A->rmap->N,NULL,&b);
982: VecHYPRE_IJVectorCreate(x,&hA->x);
983: VecHYPRE_IJVectorCreate(b,&hA->b);
984: VecDestroy(&x);
985: VecDestroy(&b);
986: return(0);
987: }
989: #define MATHYPRE_SCRATCH 2048
991: PetscErrorCode MatSetValues_HYPRE(Mat A, PetscInt nr, const PetscInt rows[], PetscInt nc, const PetscInt cols[], const PetscScalar v[], InsertMode ins)
992: {
993: Mat_HYPRE *hA = (Mat_HYPRE*)A->data;
994: PetscScalar *vals = (PetscScalar *)v;
995: PetscScalar sscr[MATHYPRE_SCRATCH];
996: HYPRE_Int cscr[2][MATHYPRE_SCRATCH];
997: HYPRE_Int i,nzc;
998: PetscErrorCode ierr;
1001: for (i=0,nzc=0;i<nc;i++) {
1002: if (cols[i] >= 0) {
1003: cscr[0][nzc ] = cols[i];
1004: cscr[1][nzc++] = i;
1005: }
1006: }
1007: if (!nzc) return(0);
1009: if (ins == ADD_VALUES) {
1010: for (i=0;i<nr;i++) {
1011: if (rows[i] >= 0 && nzc) {
1012: PetscInt j;
1013: for (j=0;j<nzc;j++) sscr[j] = vals[cscr[1][j]];
1014: PetscStackCallStandard(HYPRE_IJMatrixAddToValues,(hA->ij,1,&nzc,(HYPRE_Int*)(rows+i),cscr[0],sscr));
1015: }
1016: vals += nc;
1017: }
1018: } else { /* INSERT_VALUES */
1019: #if defined(PETSC_USE_DEBUG)
1020: /* Insert values cannot be used to insert offproc entries */
1021: PetscInt rst,ren;
1022: MatGetOwnershipRange(A,&rst,&ren);
1023: for (i=0;i<nr;i++)
1024: if (rows[i] >= 0 && (rows[i] < rst || rows[i] >= ren)) SETERRQ(PETSC_COMM_SELF,PETSC_ERR_SUP,"Cannot use INSERT_VALUES for off-proc entries with MatHYPRE. Use ADD_VALUES instead");
1025: #endif
1026: for (i=0;i<nr;i++) {
1027: if (rows[i] >= 0 && nzc) {
1028: PetscInt j;
1029: for (j=0;j<nzc;j++) sscr[j] = vals[cscr[1][j]];
1030: PetscStackCallStandard(HYPRE_IJMatrixSetValues,(hA->ij,1,&nzc,(HYPRE_Int*)(rows+i),cscr[0],sscr));
1031: }
1032: vals += nc;
1033: }
1034: }
1035: return(0);
1036: }
1038: static PetscErrorCode MatHYPRESetPreallocation_HYPRE(Mat A, PetscInt dnz, const PetscInt dnnz[], PetscInt onz, const PetscInt onnz[])
1039: {
1040: Mat_HYPRE *hA = (Mat_HYPRE*)A->data;
1041: HYPRE_Int *hdnnz,*honnz;
1042: PetscInt i,rs,re,cs,ce,bs;
1043: PetscMPIInt size;
1044: PetscErrorCode ierr;
1047: MatGetBlockSize(A,&bs);
1048: PetscLayoutSetUp(A->rmap);
1049: PetscLayoutSetUp(A->cmap);
1050: rs = A->rmap->rstart;
1051: re = A->rmap->rend;
1052: cs = A->cmap->rstart;
1053: ce = A->cmap->rend;
1054: if (!hA->ij) {
1055: PetscStackCallStandard(HYPRE_IJMatrixCreate,(hA->comm,rs,re-1,cs,ce-1,&hA->ij));
1056: PetscStackCallStandard(HYPRE_IJMatrixSetObjectType,(hA->ij,HYPRE_PARCSR));
1057: } else {
1058: HYPRE_Int hrs,hre,hcs,hce;
1059: PetscStackCallStandard(HYPRE_IJMatrixGetLocalRange,(hA->ij,&hrs,&hre,&hcs,&hce));
1060: if (hre-hrs+1 != re -rs) SETERRQ4(PETSC_COMM_SELF,PETSC_ERR_PLIB,"Inconsistent local rows: IJMatrix [%D,%D), PETSc [%D,%d)",hrs,hre+1,rs,re);
1061: if (hce-hcs+1 != ce -cs) SETERRQ4(PETSC_COMM_SELF,PETSC_ERR_PLIB,"Inconsistent local cols: IJMatrix [%D,%D), PETSc [%D,%d)",hcs,hce+1,cs,ce);
1062: }
1063: PetscStackCallStandard(HYPRE_IJMatrixInitialize,(hA->ij));
1065: if (dnz == PETSC_DEFAULT || dnz == PETSC_DECIDE) dnz = 10*bs;
1066: if (onz == PETSC_DEFAULT || onz == PETSC_DECIDE) onz = 10*bs;
1068: if (!dnnz) {
1069: PetscMalloc1(A->rmap->n,&hdnnz);
1070: for (i=0;i<A->rmap->n;i++) hdnnz[i] = dnz;
1071: } else {
1072: hdnnz = (HYPRE_Int*)dnnz;
1073: }
1074: MPI_Comm_size(PetscObjectComm((PetscObject)A),&size);
1075: if (size > 1) {
1076: if (!onnz) {
1077: PetscMalloc1(A->rmap->n,&honnz);
1078: for (i=0;i<A->rmap->n;i++) honnz[i] = onz;
1079: } else {
1080: honnz = (HYPRE_Int*)onnz;
1081: }
1082: PetscStackCallStandard(HYPRE_IJMatrixSetDiagOffdSizes,(hA->ij,hdnnz,honnz));
1083: } else {
1084: honnz = NULL;
1085: PetscStackCallStandard(HYPRE_IJMatrixSetRowSizes,(hA->ij,hdnnz));
1086: }
1087: if (!dnnz) {
1088: PetscFree(hdnnz);
1089: }
1090: if (!onnz && honnz) {
1091: PetscFree(honnz);
1092: }
1093: A->preallocated = PETSC_TRUE;
1095: /* SetDiagOffdSizes sets hypre_AuxParCSRMatrixNeedAux(aux_matrix) = 0 */
1096: {
1097: hypre_AuxParCSRMatrix *aux_matrix;
1098: aux_matrix = (hypre_AuxParCSRMatrix*)hypre_IJMatrixTranslator(hA->ij);
1099: hypre_AuxParCSRMatrixNeedAux(aux_matrix) = 1;
1100: }
1101: return(0);
1102: }
1104: /*@C
1105: MatHYPRESetPreallocation - Preallocates memory for a sparse parallel matrix in HYPRE IJ format
1107: Collective on Mat
1109: Input Parameters:
1110: + A - the matrix
1111: . dnz - number of nonzeros per row in DIAGONAL portion of local submatrix
1112: (same value is used for all local rows)
1113: . dnnz - array containing the number of nonzeros in the various rows of the
1114: DIAGONAL portion of the local submatrix (possibly different for each row)
1115: or NULL (PETSC_NULL_INTEGER in Fortran), if d_nz is used to specify the nonzero structure.
1116: The size of this array is equal to the number of local rows, i.e 'm'.
1117: For matrices that will be factored, you must leave room for (and set)
1118: the diagonal entry even if it is zero.
1119: . onz - number of nonzeros per row in the OFF-DIAGONAL portion of local
1120: submatrix (same value is used for all local rows).
1121: - onnz - array containing the number of nonzeros in the various rows of the
1122: OFF-DIAGONAL portion of the local submatrix (possibly different for
1123: each row) or NULL (PETSC_NULL_INTEGER in Fortran), if o_nz is used to specify the nonzero
1124: structure. The size of this array is equal to the number
1125: of local rows, i.e 'm'.
1127: Notes: If the *nnz parameter is given then the *nz parameter is ignored; for sequential matrices, onz and onnz are ignored.
1129: Level: intermediate
1131: .keywords: matrix, aij, compressed row, sparse, parallel
1133: .seealso: MatCreate(), MatMPIAIJSetPreallocation, MATHYPRE
1134: @*/
1135: PetscErrorCode MatHYPRESetPreallocation(Mat A, PetscInt dnz, const PetscInt dnnz[], PetscInt onz, const PetscInt onnz[])
1136: {
1142: PetscTryMethod(A,"MatHYPRESetPreallocation_C",(Mat,PetscInt,const PetscInt[],PetscInt,const PetscInt[]),(A,dnz,dnnz,onz,onnz));
1143: return(0);
1144: }
1146: /*
1147: MatCreateFromParCSR - Creates a matrix from a hypre_ParCSRMatrix
1149: Collective
1151: Input Parameters:
1152: + vparcsr - the pointer to the hypre_ParCSRMatrix
1153: . mtype - matrix type to be created. Currently MATAIJ, MATIS and MATHYPRE are supported.
1154: - copymode - PETSc copying options
1156: Output Parameter:
1157: . A - the matrix
1159: Level: intermediate
1161: .seealso: MatHYPRE, PetscCopyMode
1162: */
1163: PETSC_EXTERN PetscErrorCode MatCreateFromParCSR(hypre_ParCSRMatrix *vparcsr, MatType mtype, PetscCopyMode copymode, Mat* A)
1164: {
1165: Mat T;
1166: Mat_HYPRE *hA;
1167: hypre_ParCSRMatrix *parcsr;
1168: MPI_Comm comm;
1169: PetscInt rstart,rend,cstart,cend,M,N;
1170: PetscBool isseqaij,ismpiaij,isaij,ishyp,isis;
1171: PetscErrorCode ierr;
1174: parcsr = (hypre_ParCSRMatrix *)vparcsr;
1175: comm = hypre_ParCSRMatrixComm(parcsr);
1176: PetscStrcmp(mtype,MATSEQAIJ,&isseqaij);
1177: PetscStrcmp(mtype,MATMPIAIJ,&ismpiaij);
1178: PetscStrcmp(mtype,MATAIJ,&isaij);
1179: PetscStrcmp(mtype,MATHYPRE,&ishyp);
1180: PetscStrcmp(mtype,MATIS,&isis);
1181: isaij = (PetscBool)(isseqaij || ismpiaij || isaij);
1182: if (!isaij && !ishyp && !isis) SETERRQ6(comm,PETSC_ERR_SUP,"Unsupported MatType %s! Supported types are %s, %s, %s, %s, and %s",mtype,MATAIJ,MATSEQAIJ,MATMPIAIJ,MATIS,MATHYPRE);
1183: if (ishyp && copymode == PETSC_COPY_VALUES) SETERRQ(comm,PETSC_ERR_SUP,"Unsupported copymode PETSC_COPY_VALUES");
1185: /* access ParCSRMatrix */
1186: rstart = hypre_ParCSRMatrixFirstRowIndex(parcsr);
1187: rend = hypre_ParCSRMatrixLastRowIndex(parcsr);
1188: cstart = hypre_ParCSRMatrixFirstColDiag(parcsr);
1189: cend = hypre_ParCSRMatrixLastColDiag(parcsr);
1190: M = hypre_ParCSRMatrixGlobalNumRows(parcsr);
1191: N = hypre_ParCSRMatrixGlobalNumCols(parcsr);
1193: /* fix for empty local rows/columns */
1194: if (rend < rstart) rend = rstart;
1195: if (cend < cstart) cend = cstart;
1197: /* create PETSc matrix with MatHYPRE */
1198: MatCreate(comm,&T);
1199: MatSetSizes(T,rend-rstart+1,cend-cstart+1,M,N);
1200: MatSetType(T,MATHYPRE);
1201: hA = (Mat_HYPRE*)(T->data);
1203: /* create HYPRE_IJMatrix */
1204: PetscStackCallStandard(HYPRE_IJMatrixCreate,(hA->comm,rstart,rend-1,cstart,cend-1,&hA->ij));
1206: /* set ParCSR object */
1207: PetscStackCallStandard(HYPRE_IJMatrixSetObjectType,(hA->ij,HYPRE_PARCSR));
1208: hypre_IJMatrixObject(hA->ij) = parcsr;
1209: T->preallocated = PETSC_TRUE;
1211: /* set assembled flag */
1212: hypre_IJMatrixAssembleFlag(hA->ij) = 1;
1213: PetscStackCallStandard(HYPRE_IJMatrixInitialize,(hA->ij));
1214: if (ishyp) {
1215: PetscMPIInt myid = 0;
1217: /* make sure we always have row_starts and col_starts available */
1218: if (HYPRE_AssumedPartitionCheck()) {
1219: MPI_Comm_rank(comm,&myid);
1220: }
1221: if (!hypre_ParCSRMatrixOwnsColStarts(parcsr)) {
1222: PetscLayout map;
1224: MatGetLayouts(T,NULL,&map);
1225: PetscLayoutSetUp(map);
1226: hypre_ParCSRMatrixColStarts(parcsr) = (HYPRE_Int*)(map->range + myid);
1227: }
1228: if (!hypre_ParCSRMatrixOwnsRowStarts(parcsr)) {
1229: PetscLayout map;
1231: MatGetLayouts(T,&map,NULL);
1232: PetscLayoutSetUp(map);
1233: hypre_ParCSRMatrixRowStarts(parcsr) = (HYPRE_Int*)(map->range + myid);
1234: }
1235: /* prevent from freeing the pointer */
1236: if (copymode == PETSC_USE_POINTER) hA->inner_free = PETSC_FALSE;
1237: *A = T;
1238: MatAssemblyBegin(*A,MAT_FINAL_ASSEMBLY);
1239: MatAssemblyEnd(*A,MAT_FINAL_ASSEMBLY);
1240: } else if (isaij) {
1241: if (copymode != PETSC_OWN_POINTER) {
1242: /* prevent from freeing the pointer */
1243: hA->inner_free = PETSC_FALSE;
1244: MatConvert_HYPRE_AIJ(T,MATAIJ,MAT_INITIAL_MATRIX,A);
1245: MatDestroy(&T);
1246: } else { /* AIJ return type with PETSC_OWN_POINTER */
1247: MatConvert_HYPRE_AIJ(T,MATAIJ,MAT_INPLACE_MATRIX,&T);
1248: *A = T;
1249: }
1250: } else if (isis) {
1251: MatConvert_HYPRE_IS(T,MATIS,MAT_INITIAL_MATRIX,A);
1252: if (copymode != PETSC_OWN_POINTER) hA->inner_free = PETSC_FALSE;
1253: MatDestroy(&T);
1254: }
1255: return(0);
1256: }
1258: static PetscErrorCode MatHYPREGetParCSR_HYPRE(Mat A, hypre_ParCSRMatrix **parcsr)
1259: {
1260: Mat_HYPRE* hA = (Mat_HYPRE*)A->data;
1261: HYPRE_Int type;
1262: PetscErrorCode ierr;
1265: if (!hA->ij) SETERRQ(PetscObjectComm((PetscObject)A),PETSC_ERR_PLIB,"HYPRE_IJMatrix not present");
1266: PetscStackCallStandard(HYPRE_IJMatrixGetObjectType,(hA->ij,&type));
1267: if (type != HYPRE_PARCSR) SETERRQ(PetscObjectComm((PetscObject)A),PETSC_ERR_SUP,"HYPRE_IJMatrix is not of type HYPRE_PARCSR");
1268: PetscStackCallStandard(HYPRE_IJMatrixGetObject,(hA->ij,(void**)parcsr));
1269: return(0);
1270: }
1272: /*
1273: MatHYPREGetParCSR - Gets the pointer to the ParCSR matrix
1275: Not collective
1277: Input Parameters:
1278: + A - the MATHYPRE object
1280: Output Parameter:
1281: . parcsr - the pointer to the hypre_ParCSRMatrix
1283: Level: intermediate
1285: .seealso: MatHYPRE, PetscCopyMode
1286: */
1287: PetscErrorCode MatHYPREGetParCSR(Mat A, hypre_ParCSRMatrix **parcsr)
1288: {
1294: PetscUseMethod(A,"MatHYPREGetParCSR_C",(Mat,hypre_ParCSRMatrix**),(A,parcsr));
1295: return(0);
1296: }
1298: static PetscErrorCode MatMissingDiagonal_HYPRE(Mat A, PetscBool *missing, PetscInt *dd)
1299: {
1300: hypre_ParCSRMatrix *parcsr;
1301: hypre_CSRMatrix *ha;
1302: PetscInt rst;
1303: PetscErrorCode ierr;
1306: if (A->rmap->n != A->cmap->n) SETERRQ(PETSC_COMM_SELF,PETSC_ERR_SUP,"Not implemented with non-square diagonal blocks");
1307: MatGetOwnershipRange(A,&rst,NULL);
1308: MatHYPREGetParCSR_HYPRE(A,&parcsr);
1309: if (missing) *missing = PETSC_FALSE;
1310: if (dd) *dd = -1;
1311: ha = hypre_ParCSRMatrixDiag(parcsr);
1312: if (ha) {
1313: PetscInt size,i;
1314: HYPRE_Int *ii,*jj;
1316: size = hypre_CSRMatrixNumRows(ha);
1317: ii = hypre_CSRMatrixI(ha);
1318: jj = hypre_CSRMatrixJ(ha);
1319: for (i = 0; i < size; i++) {
1320: PetscInt j;
1321: PetscBool found = PETSC_FALSE;
1323: for (j = ii[i]; j < ii[i+1] && !found; j++)
1324: found = (jj[j] == i) ? PETSC_TRUE : PETSC_FALSE;
1326: if (!found) {
1327: PetscInfo1(A,"Matrix is missing local diagonal entry %D\n",i);
1328: if (missing) *missing = PETSC_TRUE;
1329: if (dd) *dd = i+rst;
1330: return(0);
1331: }
1332: }
1333: if (!size) {
1334: PetscInfo(A,"Matrix has no diagonal entries therefore is missing diagonal\n");
1335: if (missing) *missing = PETSC_TRUE;
1336: if (dd) *dd = rst;
1337: }
1338: } else {
1339: PetscInfo(A,"Matrix has no diagonal entries therefore is missing diagonal\n");
1340: if (missing) *missing = PETSC_TRUE;
1341: if (dd) *dd = rst;
1342: }
1343: return(0);
1344: }
1346: static PetscErrorCode MatScale_HYPRE(Mat A, PetscScalar s)
1347: {
1348: hypre_ParCSRMatrix *parcsr;
1349: hypre_CSRMatrix *ha;
1350: PetscErrorCode ierr;
1353: MatHYPREGetParCSR_HYPRE(A,&parcsr);
1354: /* diagonal part */
1355: ha = hypre_ParCSRMatrixDiag(parcsr);
1356: if (ha) {
1357: PetscInt size,i;
1358: HYPRE_Int *ii;
1359: PetscScalar *a;
1361: size = hypre_CSRMatrixNumRows(ha);
1362: a = hypre_CSRMatrixData(ha);
1363: ii = hypre_CSRMatrixI(ha);
1364: for (i = 0; i < ii[size]; i++) a[i] *= s;
1365: }
1366: /* offdiagonal part */
1367: ha = hypre_ParCSRMatrixOffd(parcsr);
1368: if (ha) {
1369: PetscInt size,i;
1370: HYPRE_Int *ii;
1371: PetscScalar *a;
1373: size = hypre_CSRMatrixNumRows(ha);
1374: a = hypre_CSRMatrixData(ha);
1375: ii = hypre_CSRMatrixI(ha);
1376: for (i = 0; i < ii[size]; i++) a[i] *= s;
1377: }
1378: return(0);
1379: }
1381: static PetscErrorCode MatZeroRowsColumns_HYPRE(Mat A, PetscInt numRows, const PetscInt rows[], PetscScalar diag, Vec x, Vec b)
1382: {
1383: hypre_ParCSRMatrix *parcsr;
1384: HYPRE_Int *lrows;
1385: PetscInt rst,ren,i;
1386: PetscErrorCode ierr;
1389: if (x || b) SETERRQ(PetscObjectComm((PetscObject)A),PETSC_ERR_SUP,"To be implemented");
1390: MatHYPREGetParCSR_HYPRE(A,&parcsr);
1391: PetscMalloc1(numRows,&lrows);
1392: MatGetOwnershipRange(A,&rst,&ren);
1393: for (i=0;i<numRows;i++) {
1394: if (rows[i] < rst || rows[i] >= ren)
1395: SETERRQ(PETSC_COMM_SELF,PETSC_ERR_SUP,"Non-local rows not yet supported");
1396: lrows[i] = rows[i] - rst;
1397: }
1398: PetscStackCallStandard(hypre_ParCSRMatrixEliminateRowsCols,(parcsr,numRows,lrows));
1399: PetscFree(lrows);
1400: return(0);
1401: }
1403: /*MC
1404: MATHYPRE - MATHYPRE = "hypre" - A matrix type to be used for sequential and parallel sparse matrices
1405: based on the hypre IJ interface.
1407: Level: intermediate
1409: .seealso: MatCreate()
1410: M*/
1412: PETSC_EXTERN PetscErrorCode MatCreate_HYPRE(Mat B)
1413: {
1414: Mat_HYPRE *hB;
1418: PetscNewLog(B,&hB);
1419: hB->inner_free = PETSC_TRUE;
1421: B->data = (void*)hB;
1422: B->rmap->bs = 1;
1423: B->assembled = PETSC_FALSE;
1425: B->ops->mult = MatMult_HYPRE;
1426: B->ops->multtranspose = MatMultTranspose_HYPRE;
1427: B->ops->setup = MatSetUp_HYPRE;
1428: B->ops->destroy = MatDestroy_HYPRE;
1429: B->ops->assemblyend = MatAssemblyEnd_HYPRE;
1430: B->ops->ptap = MatPtAP_HYPRE_HYPRE;
1431: B->ops->matmult = MatMatMult_HYPRE_HYPRE;
1432: B->ops->setvalues = MatSetValues_HYPRE;
1433: B->ops->missingdiagonal = MatMissingDiagonal_HYPRE;
1434: B->ops->scale = MatScale_HYPRE;
1435: B->ops->zerorowscolumns = MatZeroRowsColumns_HYPRE;
1437: MPI_Comm_dup(PetscObjectComm((PetscObject)B),&hB->comm);
1438: PetscObjectChangeTypeName((PetscObject)B,MATHYPRE);
1439: PetscObjectComposeFunction((PetscObject)B,"MatConvert_hypre_aij_C",MatConvert_HYPRE_AIJ);
1440: PetscObjectComposeFunction((PetscObject)B,"MatConvert_hypre_is_C",MatConvert_HYPRE_IS);
1441: PetscObjectComposeFunction((PetscObject)B,"MatPtAP_seqaij_hypre_C",MatPtAP_AIJ_HYPRE);
1442: PetscObjectComposeFunction((PetscObject)B,"MatPtAP_mpiaij_hypre_C",MatPtAP_AIJ_HYPRE);
1443: PetscObjectComposeFunction((PetscObject)B,"MatHYPRESetPreallocation_C",MatHYPRESetPreallocation_HYPRE);
1444: PetscObjectComposeFunction((PetscObject)B,"MatHYPREGetParCSR_C",MatHYPREGetParCSR_HYPRE);
1445: return(0);
1446: }
1448: static PetscErrorCode hypre_array_destroy(void *ptr)
1449: {
1451: hypre_TFree(ptr);
1452: return(0);
1453: }