1 static char help[] = "Tests MatMPI{AIJ,BAIJ,SBAIJ}SetPreallocationCSR\n\n"; 2 3 #include <petscmat.h> 4 5 int main(int argc,char **argv) 6 { 7 PetscInt ia[3]={0,2,4}; 8 PetscInt ja[4]={0,1,0,1}; 9 PetscScalar c[16]={0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15}; 10 PetscInt ia2[5]={0,4,8,12,16}; 11 PetscInt ja2[16]={0,1,2,3,0,1,2,3,0,1,2,3,0,1,2,3}; 12 PetscScalar c2[16]={0,1,4,5,2,3,6,7,8,9,12,13,10,11,14,15}; 13 PetscMPIInt size,rank; 14 Mat ssbaij; 15 PetscBool rect = PETSC_FALSE; 16 17 CHKERRQ(PetscInitialize(&argc,&argv,NULL,help)); 18 CHKERRMPI(MPI_Comm_size(PETSC_COMM_WORLD,&size)); 19 CHKERRMPI(MPI_Comm_rank(PETSC_COMM_WORLD,&rank)); 20 PetscCheckFalse(size < 2,PETSC_COMM_WORLD,PETSC_ERR_SUP,"This is an example with more then one processors"); 21 if (rank) { 22 PetscInt i; 23 for (i = 0; i < 3; i++) ia[i] = 0; 24 for (i = 0; i < 5; i++) ia2[i] = 0; 25 } 26 CHKERRQ(PetscOptionsGetBool(NULL,NULL,"-rect",&rect,NULL)); 27 CHKERRQ(MatCreate(PETSC_COMM_WORLD,&ssbaij)); 28 CHKERRQ(MatSetBlockSize(ssbaij,2)); 29 if (rect) { 30 CHKERRQ(MatSetType(ssbaij,MATMPIBAIJ)); 31 CHKERRQ(MatSetSizes(ssbaij,4,6,PETSC_DECIDE,PETSC_DECIDE)); 32 } else { 33 CHKERRQ(MatSetType(ssbaij,MATMPISBAIJ)); 34 CHKERRQ(MatSetSizes(ssbaij,4,4,PETSC_DECIDE,PETSC_DECIDE)); 35 } 36 CHKERRQ(MatSetFromOptions(ssbaij)); 37 CHKERRQ(MatMPIAIJSetPreallocationCSR(ssbaij,ia2,ja2,c2)); 38 CHKERRQ(MatMPIBAIJSetPreallocationCSR(ssbaij,2,ia,ja,c)); 39 CHKERRQ(MatMPISBAIJSetPreallocationCSR(ssbaij,2,ia,ja,c)); 40 CHKERRQ(MatViewFromOptions(ssbaij,NULL,"-view")); 41 CHKERRQ(MatDestroy(&ssbaij)); 42 CHKERRQ(PetscFinalize()); 43 return 0; 44 } 45 46 /*TEST 47 48 test: 49 filter: grep -v type | sed -e "s/\.//g" 50 suffix: aijbaij_csr 51 nsize: 2 52 args: -mat_type {{aij baij}} -view -rect {{0 1}} 53 54 test: 55 filter: sed -e "s/\.//g" 56 suffix: sbaij_csr 57 nsize: 2 58 args: -mat_type sbaij -view -rect {{0 1}} 59 60 TEST*/ 61