xref: /petsc/src/mat/tests/ex253.c (revision 6048efd1576ad21a5c59adc0e33a0a0d760c5c27)
1*6048efd1SBarry Smith static char help[] = "Tests MatMultHermitianTranspose() for real numbers.\n\n";
2*6048efd1SBarry Smith #include <petsc.h>
3*6048efd1SBarry Smith 
4*6048efd1SBarry Smith int main(int argc, char **args)
5*6048efd1SBarry Smith {
6*6048efd1SBarry Smith   Mat            A, AHT;
7*6048efd1SBarry Smith   Vec            x, y;
8*6048efd1SBarry Smith   PetscRandom    rand;
9*6048efd1SBarry Smith   PetscErrorCode ierr;
10*6048efd1SBarry Smith 
11*6048efd1SBarry Smith   ierr = PetscInitialize(&argc, &args, (char*)0, help); if (ierr) return ierr;
12*6048efd1SBarry Smith 
13*6048efd1SBarry Smith   ierr = MatCreate(PETSC_COMM_WORLD, &A);CHKERRQ(ierr);
14*6048efd1SBarry Smith   ierr = MatSetType(A, MATAIJ);CHKERRQ(ierr);
15*6048efd1SBarry Smith   ierr = MatSetSizes(A, PETSC_DECIDE, PETSC_DECIDE, 10, 10);CHKERRQ(ierr);
16*6048efd1SBarry Smith   ierr = MatSetFromOptions(A);CHKERRQ(ierr);
17*6048efd1SBarry Smith   ierr = MatSetUp(A);CHKERRQ(ierr);
18*6048efd1SBarry Smith 
19*6048efd1SBarry Smith   ierr = MatSetValue(A, 0, 0, 1.0, INSERT_VALUES);CHKERRQ(ierr);
20*6048efd1SBarry Smith   ierr = MatAssemblyBegin(A, MAT_FINAL_ASSEMBLY);CHKERRQ(ierr);
21*6048efd1SBarry Smith   ierr = MatAssemblyEnd(A, MAT_FINAL_ASSEMBLY);CHKERRQ(ierr);
22*6048efd1SBarry Smith 
23*6048efd1SBarry Smith   ierr = MatCreateHermitianTranspose(A, &AHT);CHKERRQ(ierr);
24*6048efd1SBarry Smith   ierr = MatCreateVecs(AHT, &x, &y);CHKERRQ(ierr);
25*6048efd1SBarry Smith 
26*6048efd1SBarry Smith   ierr = PetscRandomCreate(PETSC_COMM_WORLD, &rand);CHKERRQ(ierr);
27*6048efd1SBarry Smith   ierr = PetscRandomSetFromOptions(rand);CHKERRQ(ierr);
28*6048efd1SBarry Smith   ierr = VecSetRandom(y, rand);CHKERRQ(ierr);
29*6048efd1SBarry Smith   ierr = PetscRandomDestroy(&rand);CHKERRQ(ierr);
30*6048efd1SBarry Smith 
31*6048efd1SBarry Smith   ierr = MatMultHermitianTranspose(AHT, y, x);CHKERRQ(ierr);
32*6048efd1SBarry Smith 
33*6048efd1SBarry Smith   ierr = VecDestroy(&x);CHKERRQ(ierr);
34*6048efd1SBarry Smith   ierr = VecDestroy(&y);CHKERRQ(ierr);
35*6048efd1SBarry Smith   ierr = MatDestroy(&A);CHKERRQ(ierr);
36*6048efd1SBarry Smith   ierr = MatDestroy(&AHT);CHKERRQ(ierr);
37*6048efd1SBarry Smith   ierr = PetscFinalize();
38*6048efd1SBarry Smith   return ierr;
39*6048efd1SBarry Smith }
40*6048efd1SBarry Smith 
41*6048efd1SBarry Smith /*TEST
42*6048efd1SBarry Smith 
43*6048efd1SBarry Smith    test:
44*6048efd1SBarry Smith 
45*6048efd1SBarry Smith TEST*/
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