xref: /petsc/src/mat/tests/ex197.c (revision 28b400f66ebc7ae0049166a2294dfcd3df27e64b)
1c4762a1bSJed Brown static char help[] = "Test MatMultHermitianTranspose() and MatMultHermitianTransposeAdd().\n\n";
2c4762a1bSJed Brown 
3c4762a1bSJed Brown #include <petscmat.h>
4c4762a1bSJed Brown 
5c4762a1bSJed Brown int main(int argc,char **args)
6c4762a1bSJed Brown {
7e573050aSPierre Jolivet   Mat            A,B,C;
8c4762a1bSJed Brown   Vec            x,y,ys;
9c4762a1bSJed Brown   PetscErrorCode ierr;
10c4762a1bSJed Brown   PetscInt       i,j;
11c4762a1bSJed Brown   PetscScalar    v;
12e573050aSPierre Jolivet   PetscBool      flg;
13c4762a1bSJed Brown 
14c4762a1bSJed Brown   ierr = PetscInitialize(&argc,&args,(char*)0,help);if (ierr) return ierr;
155f80ce2aSJacob Faibussowitsch   CHKERRQ(MatCreate(PETSC_COMM_WORLD,&A));
165f80ce2aSJacob Faibussowitsch   CHKERRQ(MatSetSizes(A,PETSC_DECIDE,PETSC_DECIDE,2,2));
175f80ce2aSJacob Faibussowitsch   CHKERRQ(MatSetType(A,MATAIJ));
185f80ce2aSJacob Faibussowitsch   CHKERRQ(MatSetFromOptions(A));
195f80ce2aSJacob Faibussowitsch   CHKERRQ(MatSetUp(A));
20c4762a1bSJed Brown 
21c4762a1bSJed Brown   i = 0; j = 0; v = 2.0;
225f80ce2aSJacob Faibussowitsch   CHKERRQ(MatSetValues(A,1,&i,1,&j,&v,INSERT_VALUES));
23c4762a1bSJed Brown   i = 0; j = 1; v = 3.0 + 4.0*PETSC_i;
245f80ce2aSJacob Faibussowitsch   CHKERRQ(MatSetValues(A,1,&i,1,&j,&v,INSERT_VALUES));
25c4762a1bSJed Brown   i = 1; j = 0; v = 5.0 + 6.0*PETSC_i;
265f80ce2aSJacob Faibussowitsch   CHKERRQ(MatSetValues(A,1,&i,1,&j,&v,INSERT_VALUES));
27c4762a1bSJed Brown   i = 1; j = 1; v = 7.0 + 8.0*PETSC_i;
285f80ce2aSJacob Faibussowitsch   CHKERRQ(MatSetValues(A,1,&i,1,&j,&v,INSERT_VALUES));
295f80ce2aSJacob Faibussowitsch   CHKERRQ(MatAssemblyBegin(A,MAT_FINAL_ASSEMBLY));
305f80ce2aSJacob Faibussowitsch   CHKERRQ(MatAssemblyEnd(A,MAT_FINAL_ASSEMBLY));
31c4762a1bSJed Brown 
32c4762a1bSJed Brown   /* Create vectors */
335f80ce2aSJacob Faibussowitsch   CHKERRQ(VecCreate(PETSC_COMM_WORLD,&y));
345f80ce2aSJacob Faibussowitsch   CHKERRQ(VecSetSizes(y,PETSC_DECIDE,2));
355f80ce2aSJacob Faibussowitsch   CHKERRQ(VecSetFromOptions(y));
365f80ce2aSJacob Faibussowitsch   CHKERRQ(VecDuplicate(y,&ys));
375f80ce2aSJacob Faibussowitsch   CHKERRQ(VecDuplicate(y,&x));
38c4762a1bSJed Brown 
39c4762a1bSJed Brown   i = 0; v = 10.0 + 11.0*PETSC_i;
405f80ce2aSJacob Faibussowitsch   CHKERRQ(VecSetValues(x,1,&i,&v,INSERT_VALUES));
41c4762a1bSJed Brown   i = 1; v = 100.0 + 120.0*PETSC_i;
425f80ce2aSJacob Faibussowitsch   CHKERRQ(VecSetValues(x,1,&i,&v,INSERT_VALUES));
435f80ce2aSJacob Faibussowitsch   CHKERRQ(VecAssemblyBegin(x));
445f80ce2aSJacob Faibussowitsch   CHKERRQ(VecAssemblyEnd(x));
45c4762a1bSJed Brown 
465f80ce2aSJacob Faibussowitsch   CHKERRQ(MatMultHermitianTranspose(A,x,y));
475f80ce2aSJacob Faibussowitsch   CHKERRQ(VecView(y,PETSC_VIEWER_STDOUT_WORLD));
485f80ce2aSJacob Faibussowitsch   CHKERRQ(MatMultHermitianTransposeAdd(A,x,y,ys));
495f80ce2aSJacob Faibussowitsch   CHKERRQ(VecView(ys,PETSC_VIEWER_STDOUT_WORLD));
50c4762a1bSJed Brown 
515f80ce2aSJacob Faibussowitsch   CHKERRQ(MatHermitianTranspose(A,MAT_INITIAL_MATRIX,&B));
525f80ce2aSJacob Faibussowitsch   CHKERRQ(MatCreateHermitianTranspose(A,&C));
535f80ce2aSJacob Faibussowitsch   CHKERRQ(MatMultHermitianTransposeEqual(B,C,4,&flg));
54*28b400f6SJacob Faibussowitsch   PetscCheck(flg,PETSC_COMM_WORLD,PETSC_ERR_PLIB,"B^Hx != C^Hx");
555f80ce2aSJacob Faibussowitsch   CHKERRQ(MatMultHermitianTransposeAddEqual(B,C,4,&flg));
56*28b400f6SJacob Faibussowitsch   PetscCheck(flg,PETSC_COMM_WORLD,PETSC_ERR_PLIB,"y+B^Hx != y+C^Hx");
575f80ce2aSJacob Faibussowitsch   CHKERRQ(MatDestroy(&C));
585f80ce2aSJacob Faibussowitsch   CHKERRQ(MatDestroy(&B));
59e573050aSPierre Jolivet 
605f80ce2aSJacob Faibussowitsch   CHKERRQ(MatDestroy(&A));
61c4762a1bSJed Brown 
625f80ce2aSJacob Faibussowitsch   CHKERRQ(VecDestroy(&x));
635f80ce2aSJacob Faibussowitsch   CHKERRQ(VecDestroy(&y));
645f80ce2aSJacob Faibussowitsch   CHKERRQ(VecDestroy(&ys));
65c4762a1bSJed Brown   ierr = PetscFinalize();
66c4762a1bSJed Brown   return ierr;
67c4762a1bSJed Brown }
68c4762a1bSJed Brown 
69c4762a1bSJed Brown /*TEST
70c4762a1bSJed Brown 
71c4762a1bSJed Brown    build:
72c4762a1bSJed Brown       requires: complex
73c4762a1bSJed Brown    test:
74c4762a1bSJed Brown 
75c4762a1bSJed Brown    test:
76c4762a1bSJed Brown       suffix: 2
77c4762a1bSJed Brown       nsize: 2
78c4762a1bSJed Brown 
79c4762a1bSJed Brown TEST*/
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