2: static char help[] = "Tests MatCreateHermitianTranspose().\n\n";

  4: #include <petscmat.h>

  8: int main(int argc,char **args)
  9: {
 10:   Mat            C,C_htransposed,Cht,C_empty;
 11:   PetscInt       i,j,m = 10,n = 10;
 13:   PetscScalar    v;

 15:   PetscInitialize(&argc,&args,(char*)0,help);

 17:   /* Create a complex non-hermitian matrix */
 18:   MatCreate(PETSC_COMM_SELF,&C);
 19:   MatSetSizes(C,PETSC_DECIDE,PETSC_DECIDE,m,n);
 20:   MatSetFromOptions(C);
 21:   MatSetUp(C);
 22:   for (i=0; i<m; i++) {
 23:     for (j=0; j<n; j++) {
 24:       v = 0.0 - 1.0*PETSC_i;
 25:       if (i>j && i-j<2)   {MatSetValues(C,1,&i,1,&j,&v,INSERT_VALUES);}
 26:     }
 27:   }
 28:   MatAssemblyBegin(C,MAT_FINAL_ASSEMBLY);
 29:   MatAssemblyEnd(C,MAT_FINAL_ASSEMBLY);

 31:   MatCreateHermitianTranspose(C, &C_htransposed);

 33:   MatView(C,PETSC_VIEWER_STDOUT_SELF);
 34:   MatDuplicate(C_htransposed,MAT_COPY_VALUES,&Cht);
 35:   MatView(Cht,PETSC_VIEWER_STDOUT_SELF);
 36:   MatDuplicate(C_htransposed,MAT_DO_NOT_COPY_VALUES,&C_empty);
 37:   MatView(C_empty,PETSC_VIEWER_STDOUT_SELF);

 39:   MatDestroy(&C);
 40:   MatDestroy(&C_htransposed);
 41:   MatDestroy(&Cht);
 42:   MatDestroy(&C_empty);
 43:   PetscFinalize();
 44:   return 0;
 45: }