1
2 static char help[] = "Tests MatCopy() and MatStore/RetrieveValues().\n\n";
3
4 #include <petscmat.h>
5
main(int argc,char ** args)6 int main(int argc,char **args)
7 {
8 Mat C,A;
9 PetscInt i, n = 10,midx[3],bs=1;
10 PetscErrorCode ierr;
11 PetscScalar v[3];
12 PetscBool flg,isAIJ;
13 MatType type;
14 PetscMPIInt size;
15
16 ierr = PetscInitialize(&argc,&args,(char*)0,help);if (ierr) return ierr;
17 ierr = MPI_Comm_size(PETSC_COMM_WORLD,&size);CHKERRQ(ierr);
18 ierr = PetscOptionsGetInt(NULL,NULL,"-n",&n,NULL);CHKERRQ(ierr);
19 ierr = PetscOptionsGetInt(NULL,NULL,"-mat_block_size",&bs,NULL);CHKERRQ(ierr);
20
21 ierr = MatCreate(PETSC_COMM_WORLD,&C);CHKERRQ(ierr);
22 ierr = MatSetSizes(C,PETSC_DECIDE,PETSC_DECIDE,n,n);CHKERRQ(ierr);
23 ierr = MatSetType(C,MATAIJ);CHKERRQ(ierr);
24 ierr = MatSetFromOptions(C);CHKERRQ(ierr);
25 ierr = PetscObjectSetName((PetscObject)C,"initial");CHKERRQ(ierr);
26
27 ierr = MatGetType(C,&type);CHKERRQ(ierr);
28 if (size == 1) {
29 ierr = PetscObjectTypeCompare((PetscObject)C,MATSEQAIJ,&isAIJ);CHKERRQ(ierr);
30 } else {
31 ierr = PetscObjectTypeCompare((PetscObject)C,MATMPIAIJ,&isAIJ);CHKERRQ(ierr);
32 }
33 ierr = MatSeqAIJSetPreallocation(C,3,NULL);CHKERRQ(ierr);
34 ierr = MatMPIAIJSetPreallocation(C,3,NULL,3,NULL);CHKERRQ(ierr);
35 ierr = MatSeqBAIJSetPreallocation(C,bs,3,NULL);CHKERRQ(ierr);
36 ierr = MatMPIBAIJSetPreallocation(C,bs,3,NULL,3,NULL);CHKERRQ(ierr);
37 ierr = MatSeqSBAIJSetPreallocation(C,bs,3,NULL);CHKERRQ(ierr);
38 ierr = MatMPISBAIJSetPreallocation(C,bs,3,NULL,3,NULL);CHKERRQ(ierr);
39
40 v[0] = -1.; v[1] = 2.; v[2] = -1.;
41 for (i=1; i<n-1; i++) {
42 midx[2] = i-1; midx[1] = i; midx[0] = i+1;
43 ierr = MatSetValues(C,1,&i,3,midx,v,INSERT_VALUES);CHKERRQ(ierr);
44 }
45 i = 0; midx[0] = 0; midx[1] = 1;
46 v[0] = 2.0; v[1] = -1.;
47 ierr = MatSetValues(C,1,&i,2,midx,v,INSERT_VALUES);CHKERRQ(ierr);
48 i = n-1; midx[0] = n-2; midx[1] = n-1;
49 v[0] = -1.0; v[1] = 2.;
50 ierr = MatSetValues(C,1,&i,2,midx,v,INSERT_VALUES);CHKERRQ(ierr);
51
52 ierr = MatAssemblyBegin(C,MAT_FINAL_ASSEMBLY);CHKERRQ(ierr);
53 ierr = MatAssemblyEnd(C,MAT_FINAL_ASSEMBLY);CHKERRQ(ierr);
54 ierr = MatView(C,NULL);CHKERRQ(ierr);
55 ierr = MatViewFromOptions(C,NULL,"-view");CHKERRQ(ierr);
56
57 /* test matduplicate */
58 ierr = MatDuplicate(C,MAT_COPY_VALUES,&A);CHKERRQ(ierr);
59 ierr = PetscObjectSetName((PetscObject)A,"duplicate_copy");CHKERRQ(ierr);
60 ierr = MatViewFromOptions(A,NULL,"-view");CHKERRQ(ierr);
61 ierr = MatEqual(A,C,&flg);CHKERRQ(ierr);
62 if (!flg) SETERRQ(PETSC_COMM_SELF,PETSC_ERR_SUP,"MatDuplicate(C,MAT_COPY_VALUES,): Matrices are NOT equal");
63 ierr = MatDestroy(&A);CHKERRQ(ierr);
64
65 /* test matrices with different nonzero patterns - Note: A is created with different nonzero pattern of C! */
66 ierr = MatCreate(PETSC_COMM_WORLD,&A);CHKERRQ(ierr);
67 ierr = MatSetSizes(A,PETSC_DECIDE,PETSC_DECIDE,n,n);CHKERRQ(ierr);
68 ierr = MatSetFromOptions(A);CHKERRQ(ierr);
69 ierr = MatSetUp(A);CHKERRQ(ierr);
70 ierr = MatAssemblyBegin(A,MAT_FINAL_ASSEMBLY);CHKERRQ(ierr);
71 ierr = MatAssemblyEnd(A,MAT_FINAL_ASSEMBLY);CHKERRQ(ierr);
72
73 ierr = MatCopy(C,A,DIFFERENT_NONZERO_PATTERN);CHKERRQ(ierr);
74 ierr = PetscObjectSetName((PetscObject)A,"copy_diffnnz");CHKERRQ(ierr);
75 ierr = MatViewFromOptions(A,NULL,"-view");CHKERRQ(ierr);
76 ierr = MatEqual(A,C,&flg);CHKERRQ(ierr);
77 if (!flg) SETERRQ(PETSC_COMM_SELF,PETSC_ERR_SUP,"MatCopy(C,A,DIFFERENT_NONZERO_PATTERN): Matrices are NOT equal");
78
79 /* test matrices with same nonzero pattern */
80 ierr = MatDestroy(&A);CHKERRQ(ierr);
81 ierr = MatDuplicate(C,MAT_DO_NOT_COPY_VALUES,&A);CHKERRQ(ierr);
82 ierr = MatCopy(C,A,SAME_NONZERO_PATTERN);CHKERRQ(ierr);
83 ierr = PetscObjectSetName((PetscObject)A,"copy_samennz");CHKERRQ(ierr);
84 ierr = MatViewFromOptions(A,NULL,"-view");CHKERRQ(ierr);
85 ierr = MatEqual(A,C,&flg);CHKERRQ(ierr);
86 if (!flg) SETERRQ(PETSC_COMM_SELF,PETSC_ERR_SUP,"MatCopy(C,A,SAME_NONZERO_PATTERN): Matrices are NOT equal");
87
88 /* test subset nonzero pattern */
89 ierr = MatCopy(C,A,SUBSET_NONZERO_PATTERN);CHKERRQ(ierr);
90 ierr = PetscObjectSetName((PetscObject)A,"copy_subnnz");CHKERRQ(ierr);
91 ierr = MatViewFromOptions(A,NULL,"-view");CHKERRQ(ierr);
92 ierr = MatEqual(A,C,&flg);CHKERRQ(ierr);
93 if (!flg) SETERRQ(PETSC_COMM_SELF,PETSC_ERR_SUP,"MatCopy(C,A,SUBSET_NONZERO_PATTERN): Matrices are NOT equal");
94
95 /* Test MatCopy on a matrix obtained after MatConvert from AIJ
96 see https://lists.mcs.anl.gov/pipermail/petsc-dev/2019-April/024289.html */
97 ierr = MatHasCongruentLayouts(C,&flg);CHKERRQ(ierr);
98 if (flg) {
99 Mat Cs,Cse;
100 MatType Ctype,Cstype;
101
102 ierr = MatGetType(C,&Ctype);CHKERRQ(ierr);
103 ierr = MatTranspose(C,MAT_INITIAL_MATRIX,&Cs);CHKERRQ(ierr);
104 ierr = MatAXPY(Cs,1.0,C,DIFFERENT_NONZERO_PATTERN);CHKERRQ(ierr);
105 ierr = MatConvert(Cs,MATAIJ,MAT_INPLACE_MATRIX,&Cs);CHKERRQ(ierr);
106 ierr = MatSetOption(Cs,MAT_SYMMETRIC,PETSC_TRUE);CHKERRQ(ierr);
107 ierr = MatGetType(Cs,&Cstype);CHKERRQ(ierr);
108
109 ierr = PetscObjectSetName((PetscObject)Cs,"symm_initial");CHKERRQ(ierr);
110 ierr = MatViewFromOptions(Cs,NULL,"-view");CHKERRQ(ierr);
111
112 ierr = MatConvert(Cs,Ctype,MAT_INITIAL_MATRIX,&Cse);CHKERRQ(ierr);
113 ierr = PetscObjectSetName((PetscObject)Cse,"symm_conv_init");CHKERRQ(ierr);
114 ierr = MatViewFromOptions(Cse,NULL,"-view");CHKERRQ(ierr);
115 ierr = MatMultEqual(Cs,Cse,5,&flg);CHKERRQ(ierr);
116 if (!flg) SETERRQ2(PETSC_COMM_SELF,PETSC_ERR_PLIB,"MatConvert MAT_INITIAL_MATRIX %s -> %s: Matrices are NOT multequal",Ctype,Cstype);
117
118 ierr = MatConvert(Cs,Ctype,MAT_REUSE_MATRIX,&Cse);CHKERRQ(ierr);
119 ierr = PetscObjectSetName((PetscObject)Cse,"symm_conv_reuse");CHKERRQ(ierr);
120 ierr = MatViewFromOptions(Cse,NULL,"-view");CHKERRQ(ierr);
121 ierr = MatMultEqual(Cs,Cse,5,&flg);CHKERRQ(ierr);
122 if (!flg) SETERRQ2(PETSC_COMM_SELF,PETSC_ERR_PLIB,"MatConvert MAT_REUSE_MATRIX %s -> %s: Matrices are NOT multequal",Ctype,Cstype);
123
124 ierr = MatCopy(Cs,Cse,SAME_NONZERO_PATTERN);CHKERRQ(ierr);
125 ierr = PetscObjectSetName((PetscObject)Cse,"symm_conv_copy_samennz");CHKERRQ(ierr);
126 ierr = MatViewFromOptions(Cse,NULL,"-view");CHKERRQ(ierr);
127 ierr = MatMultEqual(Cs,Cse,5,&flg);CHKERRQ(ierr);
128 if (!flg) SETERRQ2(PETSC_COMM_SELF,PETSC_ERR_PLIB,"MatCopy(...SAME_NONZERO_PATTERN) %s -> %s: Matrices are NOT multequal",Ctype,Cstype);
129
130 ierr = MatCopy(Cs,Cse,SUBSET_NONZERO_PATTERN);CHKERRQ(ierr);
131 ierr = PetscObjectSetName((PetscObject)Cse,"symm_conv_copy_subnnz");CHKERRQ(ierr);
132 ierr = MatViewFromOptions(Cse,NULL,"-view");CHKERRQ(ierr);
133 ierr = MatMultEqual(Cs,Cse,5,&flg);CHKERRQ(ierr);
134 if (!flg) SETERRQ2(PETSC_COMM_SELF,PETSC_ERR_PLIB,"MatCopy(...SUBSET_NONZERO_PATTERN) %s -> %s: Matrices are NOT multequal",Ctype,Cstype);
135
136 ierr = MatCopy(Cs,Cse,DIFFERENT_NONZERO_PATTERN);CHKERRQ(ierr);
137 ierr = PetscObjectSetName((PetscObject)Cse,"symm_conv_copy_diffnnz");CHKERRQ(ierr);
138 ierr = MatViewFromOptions(Cse,NULL,"-view");CHKERRQ(ierr);
139 ierr = MatMultEqual(Cs,Cse,5,&flg);CHKERRQ(ierr);
140 if (!flg) SETERRQ2(PETSC_COMM_SELF,PETSC_ERR_PLIB,"MatCopy(...DIFFERENT_NONZERO_PATTERN) %s -> %s: Matrices are NOT multequal",Ctype,Cstype);
141
142 ierr = MatDestroy(&Cse);CHKERRQ(ierr);
143 ierr = MatDestroy(&Cs);CHKERRQ(ierr);
144 }
145
146 /* test MatStore/RetrieveValues() */
147 if (isAIJ) {
148 ierr = MatSetOption(A,MAT_NEW_NONZERO_LOCATIONS,PETSC_FALSE);CHKERRQ(ierr);
149 ierr = MatStoreValues(A);CHKERRQ(ierr);
150 ierr = MatZeroEntries(A);CHKERRQ(ierr);
151 ierr = MatRetrieveValues(A);CHKERRQ(ierr);
152 }
153
154 ierr = MatDestroy(&C);CHKERRQ(ierr);
155 ierr = MatDestroy(&A);CHKERRQ(ierr);
156 ierr = PetscFinalize();
157 return ierr;
158 }
159
160
161
162
163 /*TEST
164
165 testset:
166 nsize: {{1 2}separate output}
167 args: -view ::ascii_info -mat_type {{aij baij sbaij mpiaij mpibaij mpisbaij}separate output} -mat_block_size {{1 2}separate output}
168
169 TEST*/
170