1c4762a1bSJed Brown 2c4762a1bSJed Brown static char help[] = "Tests MatSeq(B)AIJSetColumnIndices().\n\n"; 3c4762a1bSJed Brown 4c4762a1bSJed Brown #include <petscmat.h> 5c4762a1bSJed Brown 6c4762a1bSJed Brown /* 7c4762a1bSJed Brown Generate the following matrix: 8c4762a1bSJed Brown 9c4762a1bSJed Brown 1 0 3 10c4762a1bSJed Brown 1 2 3 11c4762a1bSJed Brown 0 0 3 12c4762a1bSJed Brown */ 13*9371c9d4SSatish Balay int main(int argc, char **args) { 14c4762a1bSJed Brown Mat A; 15c4762a1bSJed Brown PetscScalar v; 16c4762a1bSJed Brown PetscInt i, j, rowlens[] = {2, 3, 1}, cols[] = {0, 2, 0, 1, 2, 2}; 17c4762a1bSJed Brown PetscBool flg; 18c4762a1bSJed Brown 19327415f7SBarry Smith PetscFunctionBeginUser; 209566063dSJacob Faibussowitsch PetscCall(PetscInitialize(&argc, &args, (char *)0, help)); 219566063dSJacob Faibussowitsch PetscCall(PetscOptionsHasName(NULL, NULL, "-baij", &flg)); 22c4762a1bSJed Brown if (flg) { 239566063dSJacob Faibussowitsch PetscCall(MatCreateSeqBAIJ(PETSC_COMM_WORLD, 1, 3, 3, 0, rowlens, &A)); 249566063dSJacob Faibussowitsch PetscCall(MatSeqBAIJSetColumnIndices(A, cols)); 25c4762a1bSJed Brown } else { 269566063dSJacob Faibussowitsch PetscCall(MatCreateSeqAIJ(PETSC_COMM_WORLD, 3, 3, 0, rowlens, &A)); 279566063dSJacob Faibussowitsch PetscCall(MatSeqAIJSetColumnIndices(A, cols)); 28c4762a1bSJed Brown } 29c4762a1bSJed Brown 30*9371c9d4SSatish Balay i = 0; 31*9371c9d4SSatish Balay j = 0; 32*9371c9d4SSatish Balay v = 1.0; 339566063dSJacob Faibussowitsch PetscCall(MatSetValues(A, 1, &i, 1, &j, &v, INSERT_VALUES)); 34*9371c9d4SSatish Balay i = 0; 35*9371c9d4SSatish Balay j = 2; 36*9371c9d4SSatish Balay v = 3.0; 379566063dSJacob Faibussowitsch PetscCall(MatSetValues(A, 1, &i, 1, &j, &v, INSERT_VALUES)); 38c4762a1bSJed Brown 39*9371c9d4SSatish Balay i = 1; 40*9371c9d4SSatish Balay j = 0; 41*9371c9d4SSatish Balay v = 1.0; 429566063dSJacob Faibussowitsch PetscCall(MatSetValues(A, 1, &i, 1, &j, &v, INSERT_VALUES)); 43*9371c9d4SSatish Balay i = 1; 44*9371c9d4SSatish Balay j = 1; 45*9371c9d4SSatish Balay v = 2.0; 469566063dSJacob Faibussowitsch PetscCall(MatSetValues(A, 1, &i, 1, &j, &v, INSERT_VALUES)); 47*9371c9d4SSatish Balay i = 1; 48*9371c9d4SSatish Balay j = 2; 49*9371c9d4SSatish Balay v = 3.0; 509566063dSJacob Faibussowitsch PetscCall(MatSetValues(A, 1, &i, 1, &j, &v, INSERT_VALUES)); 51c4762a1bSJed Brown 52*9371c9d4SSatish Balay i = 2; 53*9371c9d4SSatish Balay j = 2; 54*9371c9d4SSatish Balay v = 3.0; 559566063dSJacob Faibussowitsch PetscCall(MatSetValues(A, 1, &i, 1, &j, &v, INSERT_VALUES)); 56c4762a1bSJed Brown 579566063dSJacob Faibussowitsch PetscCall(MatAssemblyBegin(A, MAT_FINAL_ASSEMBLY)); 589566063dSJacob Faibussowitsch PetscCall(MatAssemblyEnd(A, MAT_FINAL_ASSEMBLY)); 599566063dSJacob Faibussowitsch PetscCall(MatView(A, PETSC_VIEWER_STDOUT_WORLD)); 60c4762a1bSJed Brown 619566063dSJacob Faibussowitsch PetscCall(MatDestroy(&A)); 629566063dSJacob Faibussowitsch PetscCall(PetscFinalize()); 63b122ec5aSJacob Faibussowitsch return 0; 64c4762a1bSJed Brown } 65c4762a1bSJed Brown 66c4762a1bSJed Brown /*TEST 67c4762a1bSJed Brown 68c4762a1bSJed Brown test: 69c4762a1bSJed Brown 70c4762a1bSJed Brown test: 71c4762a1bSJed Brown suffix: 2 72c4762a1bSJed Brown args: -baij 73c4762a1bSJed Brown 74c4762a1bSJed Brown TEST*/ 75