1 2 static char help[] = "Tests MatCreateHermitianTranspose().\n\n"; 3 4 #include <petscmat.h> 5 6 int main(int argc,char **args) 7 { 8 Mat C,C_htransposed,Cht,C_empty; 9 PetscInt i,j,m = 10,n = 10; 10 PetscScalar v; 11 12 CHKERRQ(PetscInitialize(&argc,&args,(char*)0,help)); 13 /* Create a complex non-hermitian matrix */ 14 CHKERRQ(MatCreate(PETSC_COMM_SELF,&C)); 15 CHKERRQ(MatSetSizes(C,PETSC_DECIDE,PETSC_DECIDE,m,n)); 16 CHKERRQ(MatSetFromOptions(C)); 17 CHKERRQ(MatSetUp(C)); 18 for (i=0; i<m; i++) { 19 for (j=0; j<n; j++) { 20 v = 0.0 - 1.0*PETSC_i; 21 if (i>j && i-j<2) CHKERRQ(MatSetValues(C,1,&i,1,&j,&v,INSERT_VALUES)); 22 } 23 } 24 CHKERRQ(MatAssemblyBegin(C,MAT_FINAL_ASSEMBLY)); 25 CHKERRQ(MatAssemblyEnd(C,MAT_FINAL_ASSEMBLY)); 26 27 CHKERRQ(MatCreateHermitianTranspose(C, &C_htransposed)); 28 29 CHKERRQ(MatView(C,PETSC_VIEWER_STDOUT_SELF)); 30 CHKERRQ(MatDuplicate(C_htransposed,MAT_COPY_VALUES,&Cht)); 31 CHKERRQ(MatView(Cht,PETSC_VIEWER_STDOUT_SELF)); 32 CHKERRQ(MatDuplicate(C_htransposed,MAT_DO_NOT_COPY_VALUES,&C_empty)); 33 CHKERRQ(MatView(C_empty,PETSC_VIEWER_STDOUT_SELF)); 34 35 CHKERRQ(MatDestroy(&C)); 36 CHKERRQ(MatDestroy(&C_htransposed)); 37 CHKERRQ(MatDestroy(&Cht)); 38 CHKERRQ(MatDestroy(&C_empty)); 39 CHKERRQ(PetscFinalize()); 40 return 0; 41 } 42 43 /*TEST 44 45 build: 46 requires: complex 47 48 test: 49 output_file: output/ex175.out 50 51 TEST*/ 52