xref: /petsc/src/mat/tests/ex197.c (revision c4762a1b19cd2af06abeed90e8f9d34fb975dd94)
1*c4762a1bSJed Brown static char help[] = "Test MatMultHermitianTranspose() and MatMultHermitianTransposeAdd().\n\n";
2*c4762a1bSJed Brown 
3*c4762a1bSJed Brown #include <petscmat.h>
4*c4762a1bSJed Brown 
5*c4762a1bSJed Brown int main(int argc,char **args)
6*c4762a1bSJed Brown {
7*c4762a1bSJed Brown   Mat            A;
8*c4762a1bSJed Brown   Vec            x,y,ys;
9*c4762a1bSJed Brown   PetscErrorCode ierr;
10*c4762a1bSJed Brown   PetscInt       i,j;
11*c4762a1bSJed Brown   PetscScalar    v;
12*c4762a1bSJed Brown 
13*c4762a1bSJed Brown   ierr = PetscInitialize(&argc,&args,(char*)0,help);if (ierr) return ierr;
14*c4762a1bSJed Brown   ierr = MatCreate(PETSC_COMM_WORLD,&A);CHKERRQ(ierr);
15*c4762a1bSJed Brown   ierr = MatSetSizes(A,PETSC_DECIDE,PETSC_DECIDE,2,2);CHKERRQ(ierr);
16*c4762a1bSJed Brown   ierr = MatSetType(A,MATAIJ);CHKERRQ(ierr);
17*c4762a1bSJed Brown   ierr = MatSetFromOptions(A);CHKERRQ(ierr);
18*c4762a1bSJed Brown   ierr = MatSetUp(A);CHKERRQ(ierr);
19*c4762a1bSJed Brown 
20*c4762a1bSJed Brown   i = 0; j = 0; v = 2.0;
21*c4762a1bSJed Brown   ierr = MatSetValues(A,1,&i,1,&j,&v,INSERT_VALUES);CHKERRQ(ierr);
22*c4762a1bSJed Brown   i = 0; j = 1; v = 3.0 + 4.0*PETSC_i;
23*c4762a1bSJed Brown   ierr = MatSetValues(A,1,&i,1,&j,&v,INSERT_VALUES);CHKERRQ(ierr);
24*c4762a1bSJed Brown   i = 1; j = 0; v = 5.0 + 6.0*PETSC_i;
25*c4762a1bSJed Brown   ierr = MatSetValues(A,1,&i,1,&j,&v,INSERT_VALUES);CHKERRQ(ierr);
26*c4762a1bSJed Brown   i = 1; j = 1; v = 7.0 + 8.0*PETSC_i;
27*c4762a1bSJed Brown   ierr = MatSetValues(A,1,&i,1,&j,&v,INSERT_VALUES);CHKERRQ(ierr);
28*c4762a1bSJed Brown   ierr = MatAssemblyBegin(A,MAT_FINAL_ASSEMBLY);CHKERRQ(ierr);
29*c4762a1bSJed Brown   ierr = MatAssemblyEnd(A,MAT_FINAL_ASSEMBLY);CHKERRQ(ierr);
30*c4762a1bSJed Brown 
31*c4762a1bSJed Brown   /* Create vectors */
32*c4762a1bSJed Brown   ierr = VecCreate(PETSC_COMM_WORLD,&y);CHKERRQ(ierr);
33*c4762a1bSJed Brown   ierr = VecSetSizes(y,PETSC_DECIDE,2);CHKERRQ(ierr);
34*c4762a1bSJed Brown   ierr = VecSetFromOptions(y);CHKERRQ(ierr);
35*c4762a1bSJed Brown   ierr = VecDuplicate(y,&ys);CHKERRQ(ierr);
36*c4762a1bSJed Brown   ierr = VecDuplicate(y,&x);CHKERRQ(ierr);
37*c4762a1bSJed Brown 
38*c4762a1bSJed Brown   i = 0; v = 10.0 + 11.0*PETSC_i;
39*c4762a1bSJed Brown   ierr = VecSetValues(x,1,&i,&v,INSERT_VALUES);CHKERRQ(ierr);
40*c4762a1bSJed Brown   i = 1; v = 100.0 + 120.0*PETSC_i;
41*c4762a1bSJed Brown   ierr = VecSetValues(x,1,&i,&v,INSERT_VALUES);CHKERRQ(ierr);
42*c4762a1bSJed Brown   ierr = VecAssemblyBegin(x);CHKERRQ(ierr);
43*c4762a1bSJed Brown   ierr = VecAssemblyEnd(x);CHKERRQ(ierr);
44*c4762a1bSJed Brown 
45*c4762a1bSJed Brown   ierr = MatMultHermitianTranspose(A,x,y);CHKERRQ(ierr);
46*c4762a1bSJed Brown   ierr = VecView(y,PETSC_VIEWER_STDOUT_WORLD);CHKERRQ(ierr);
47*c4762a1bSJed Brown   ierr = MatMultHermitianTransposeAdd(A,x,y,ys);CHKERRQ(ierr);
48*c4762a1bSJed Brown   ierr = VecView(ys,PETSC_VIEWER_STDOUT_WORLD);CHKERRQ(ierr);
49*c4762a1bSJed Brown 
50*c4762a1bSJed Brown   ierr = MatDestroy(&A);CHKERRQ(ierr);
51*c4762a1bSJed Brown 
52*c4762a1bSJed Brown   ierr = VecDestroy(&x);CHKERRQ(ierr);
53*c4762a1bSJed Brown   ierr = VecDestroy(&y);CHKERRQ(ierr);
54*c4762a1bSJed Brown   ierr = VecDestroy(&ys);CHKERRQ(ierr);
55*c4762a1bSJed Brown   ierr = PetscFinalize();
56*c4762a1bSJed Brown   return ierr;
57*c4762a1bSJed Brown }
58*c4762a1bSJed Brown 
59*c4762a1bSJed Brown 
60*c4762a1bSJed Brown /*TEST
61*c4762a1bSJed Brown 
62*c4762a1bSJed Brown    build:
63*c4762a1bSJed Brown       requires: complex
64*c4762a1bSJed Brown    test:
65*c4762a1bSJed Brown 
66*c4762a1bSJed Brown    test:
67*c4762a1bSJed Brown       suffix: 2
68*c4762a1bSJed Brown       nsize: 2
69*c4762a1bSJed Brown 
70*c4762a1bSJed Brown TEST*/
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