1*c4762a1bSJed Brown 2*c4762a1bSJed Brown static char help[] = "Test memory leak when duplicating a redundant matrix.\n\n"; 3*c4762a1bSJed Brown 4*c4762a1bSJed Brown 5*c4762a1bSJed Brown /* 6*c4762a1bSJed Brown Include "petscmat.h" so that we can use matrices. 7*c4762a1bSJed Brown automatically includes: 8*c4762a1bSJed Brown petscsys.h - base PETSc routines petscvec.h - vectors 9*c4762a1bSJed Brown petscmat.h - matrices 10*c4762a1bSJed Brown petscis.h - index sets petscviewer.h - viewers 11*c4762a1bSJed Brown */ 12*c4762a1bSJed Brown #include <petscmat.h> 13*c4762a1bSJed Brown 14*c4762a1bSJed Brown int main(int argc,char **args) 15*c4762a1bSJed Brown { 16*c4762a1bSJed Brown Mat A,Ar,C; 17*c4762a1bSJed Brown PetscViewer fd; /* viewer */ 18*c4762a1bSJed Brown char file[PETSC_MAX_PATH_LEN]; /* input file name */ 19*c4762a1bSJed Brown PetscErrorCode ierr; 20*c4762a1bSJed Brown PetscInt ns=2; 21*c4762a1bSJed Brown PetscMPIInt size; 22*c4762a1bSJed Brown PetscSubcomm subc; 23*c4762a1bSJed Brown PetscBool flg; 24*c4762a1bSJed Brown 25*c4762a1bSJed Brown ierr = PetscInitialize(&argc,&args,(char*)0,help);if (ierr) return ierr; 26*c4762a1bSJed Brown /* 27*c4762a1bSJed Brown Determine files from which we read the two linear systems 28*c4762a1bSJed Brown (matrix and right-hand-side vector). 29*c4762a1bSJed Brown */ 30*c4762a1bSJed Brown ierr = PetscOptionsGetString(NULL,NULL,"-f0",file,PETSC_MAX_PATH_LEN,&flg);CHKERRQ(ierr); 31*c4762a1bSJed Brown if (!flg) SETERRQ(PETSC_COMM_WORLD,PETSC_ERR_USER,"Must indicate binary file with the -f0 option"); 32*c4762a1bSJed Brown ierr = PetscViewerBinaryOpen(PETSC_COMM_WORLD,file,FILE_MODE_READ,&fd);CHKERRQ(ierr); 33*c4762a1bSJed Brown ierr = MPI_Comm_size(PETSC_COMM_WORLD,&size);CHKERRQ(ierr); 34*c4762a1bSJed Brown ierr = PetscPrintf(PETSC_COMM_WORLD,"Reading matrix with %d processors\n",size);CHKERRQ(ierr); 35*c4762a1bSJed Brown ierr = MatCreate(PETSC_COMM_WORLD,&A);CHKERRQ(ierr); 36*c4762a1bSJed Brown ierr = MatLoad(A,fd);CHKERRQ(ierr); 37*c4762a1bSJed Brown ierr = PetscViewerDestroy(&fd);CHKERRQ(ierr); 38*c4762a1bSJed Brown /* 39*c4762a1bSJed Brown Determines amount of subcomunicators 40*c4762a1bSJed Brown */ 41*c4762a1bSJed Brown ierr = PetscOptionsGetInt(NULL,NULL,"-nsub",&ns,NULL);CHKERRQ(ierr); 42*c4762a1bSJed Brown ierr = PetscPrintf(PETSC_COMM_WORLD,"Splitting in %d subcommunicators\n",ns);CHKERRQ(ierr); 43*c4762a1bSJed Brown ierr = PetscSubcommCreate(PetscObjectComm((PetscObject)A),&subc);CHKERRQ(ierr); 44*c4762a1bSJed Brown ierr = PetscSubcommSetNumber(subc,ns);CHKERRQ(ierr); 45*c4762a1bSJed Brown ierr = PetscSubcommSetType(subc,PETSC_SUBCOMM_CONTIGUOUS);CHKERRQ(ierr); 46*c4762a1bSJed Brown ierr = PetscSubcommSetFromOptions(subc);CHKERRQ(ierr); 47*c4762a1bSJed Brown ierr = MatCreateRedundantMatrix(A,0,PetscSubcommChild(subc),MAT_INITIAL_MATRIX,&Ar);CHKERRQ(ierr); 48*c4762a1bSJed Brown ierr = PetscPrintf(PETSC_COMM_WORLD,"Copying matrix\n",ns);CHKERRQ(ierr); 49*c4762a1bSJed Brown ierr = MatDuplicate(Ar,MAT_COPY_VALUES,&C);CHKERRQ(ierr); 50*c4762a1bSJed Brown ierr = PetscSubcommDestroy(&subc);CHKERRQ(ierr); 51*c4762a1bSJed Brown 52*c4762a1bSJed Brown /* 53*c4762a1bSJed Brown Free memory 54*c4762a1bSJed Brown */ 55*c4762a1bSJed Brown ierr = MatDestroy(&A);CHKERRQ(ierr); 56*c4762a1bSJed Brown ierr = MatDestroy(&Ar);CHKERRQ(ierr); 57*c4762a1bSJed Brown ierr = MatDestroy(&C);CHKERRQ(ierr); 58*c4762a1bSJed Brown ierr = PetscFinalize(); 59*c4762a1bSJed Brown return ierr; 60*c4762a1bSJed Brown } 61*c4762a1bSJed Brown 62*c4762a1bSJed Brown 63*c4762a1bSJed Brown /*TEST 64*c4762a1bSJed Brown 65*c4762a1bSJed Brown test: 66*c4762a1bSJed Brown nsize: 4 67*c4762a1bSJed Brown requires: datafilespath !complex double !define(PETSC_USE_64BIT_INDICES) 68*c4762a1bSJed Brown args: -f0 ${wPETSC_DIR}/share/petsc/datafiles/matrices/ns-real-int32-float64 -malloc_dump 69*c4762a1bSJed Brown 70*c4762a1bSJed Brown 71*c4762a1bSJed Brown TEST*/ 72