1 static char help[] = "Tests MatMultHermitianTranspose() for real numbers.\n\n"; 2 #include <petsc.h> 3 4 int main(int argc, char **args) 5 { 6 Mat A, AHT; 7 Vec x, y; 8 PetscRandom rand; 9 PetscErrorCode ierr; 10 11 ierr = PetscInitialize(&argc, &args, (char*)0, help); if (ierr) return ierr; 12 13 ierr = MatCreate(PETSC_COMM_WORLD, &A);CHKERRQ(ierr); 14 ierr = MatSetType(A, MATAIJ);CHKERRQ(ierr); 15 ierr = MatSetSizes(A, PETSC_DECIDE, PETSC_DECIDE, 10, 10);CHKERRQ(ierr); 16 ierr = MatSetFromOptions(A);CHKERRQ(ierr); 17 ierr = MatSetUp(A);CHKERRQ(ierr); 18 19 ierr = MatSetValue(A, 0, 0, 1.0, INSERT_VALUES);CHKERRQ(ierr); 20 ierr = MatAssemblyBegin(A, MAT_FINAL_ASSEMBLY);CHKERRQ(ierr); 21 ierr = MatAssemblyEnd(A, MAT_FINAL_ASSEMBLY);CHKERRQ(ierr); 22 23 ierr = MatCreateHermitianTranspose(A, &AHT);CHKERRQ(ierr); 24 ierr = MatCreateVecs(AHT, &x, &y);CHKERRQ(ierr); 25 26 ierr = PetscRandomCreate(PETSC_COMM_WORLD, &rand);CHKERRQ(ierr); 27 ierr = PetscRandomSetFromOptions(rand);CHKERRQ(ierr); 28 ierr = VecSetRandom(y, rand);CHKERRQ(ierr); 29 ierr = PetscRandomDestroy(&rand);CHKERRQ(ierr); 30 31 ierr = MatMultHermitianTranspose(AHT, y, x);CHKERRQ(ierr); 32 33 ierr = VecDestroy(&x);CHKERRQ(ierr); 34 ierr = VecDestroy(&y);CHKERRQ(ierr); 35 ierr = MatDestroy(&A);CHKERRQ(ierr); 36 ierr = MatDestroy(&AHT);CHKERRQ(ierr); 37 ierr = PetscFinalize(); 38 return ierr; 39 } 40 41 /*TEST 42 43 test: 44 45 TEST*/ 46