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 10 PetscFunctionBeginUser; 11 PetscCall(PetscInitialize(&argc, &args, NULL, help)); 12 13 PetscCall(MatCreate(PETSC_COMM_WORLD, &A)); 14 PetscCall(MatSetType(A, MATAIJ)); 15 PetscCall(MatSetSizes(A, PETSC_DECIDE, PETSC_DECIDE, 10, 10)); 16 PetscCall(MatSetFromOptions(A)); 17 PetscCall(MatSetUp(A)); 18 19 PetscCall(MatSetValue(A, 0, 0, 1.0, INSERT_VALUES)); 20 PetscCall(MatAssemblyBegin(A, MAT_FINAL_ASSEMBLY)); 21 PetscCall(MatAssemblyEnd(A, MAT_FINAL_ASSEMBLY)); 22 23 PetscCall(MatCreateHermitianTranspose(A, &AHT)); 24 PetscCall(MatCreateVecs(AHT, &x, &y)); 25 26 PetscCall(PetscRandomCreate(PETSC_COMM_WORLD, &rand)); 27 PetscCall(PetscRandomSetFromOptions(rand)); 28 PetscCall(VecSetRandom(y, rand)); 29 PetscCall(PetscRandomDestroy(&rand)); 30 31 PetscCall(MatMultHermitianTranspose(AHT, y, x)); 32 33 PetscCall(VecDestroy(&x)); 34 PetscCall(VecDestroy(&y)); 35 PetscCall(MatDestroy(&A)); 36 PetscCall(MatDestroy(&AHT)); 37 PetscCall(PetscFinalize()); 38 return 0; 39 } 40 41 /*TEST 42 43 test: 44 45 TEST*/ 46