1c4762a1bSJed Brown 2c4762a1bSJed Brown static char help[] = "Test memory leak when duplicating a redundant matrix.\n\n"; 3c4762a1bSJed Brown 4c4762a1bSJed Brown /* 5c4762a1bSJed Brown Include "petscmat.h" so that we can use matrices. 6c4762a1bSJed Brown automatically includes: 7c4762a1bSJed Brown petscsys.h - base PETSc routines petscvec.h - vectors 8c4762a1bSJed Brown petscmat.h - matrices 9c4762a1bSJed Brown petscis.h - index sets petscviewer.h - viewers 10c4762a1bSJed Brown */ 11c4762a1bSJed Brown #include <petscmat.h> 12c4762a1bSJed Brown 13c4762a1bSJed Brown int main(int argc,char **args) 14c4762a1bSJed Brown { 15c4762a1bSJed Brown Mat A,Ar,C; 16c4762a1bSJed Brown PetscViewer fd; /* viewer */ 17c4762a1bSJed Brown char file[PETSC_MAX_PATH_LEN]; /* input file name */ 18c4762a1bSJed Brown PetscErrorCode ierr; 19c4762a1bSJed Brown PetscInt ns=2; 20c4762a1bSJed Brown PetscMPIInt size; 21c4762a1bSJed Brown PetscSubcomm subc; 22c4762a1bSJed Brown PetscBool flg; 23c4762a1bSJed Brown 24c4762a1bSJed Brown ierr = PetscInitialize(&argc,&args,(char*)0,help);if (ierr) return ierr; 25c4762a1bSJed Brown /* 26c4762a1bSJed Brown Determine files from which we read the two linear systems 27c4762a1bSJed Brown (matrix and right-hand-side vector). 28c4762a1bSJed Brown */ 29589a23caSBarry Smith ierr = PetscOptionsGetString(NULL,NULL,"-f0",file,sizeof(file),&flg);CHKERRQ(ierr); 30*2c71b3e2SJacob Faibussowitsch PetscCheckFalse(!flg,PETSC_COMM_WORLD,PETSC_ERR_USER,"Must indicate binary file with the -f0 option"); 31c4762a1bSJed Brown ierr = PetscViewerBinaryOpen(PETSC_COMM_WORLD,file,FILE_MODE_READ,&fd);CHKERRQ(ierr); 32ffc4695bSBarry Smith ierr = MPI_Comm_size(PETSC_COMM_WORLD,&size);CHKERRMPI(ierr); 33c4762a1bSJed Brown ierr = PetscPrintf(PETSC_COMM_WORLD,"Reading matrix with %d processors\n",size);CHKERRQ(ierr); 34c4762a1bSJed Brown ierr = MatCreate(PETSC_COMM_WORLD,&A);CHKERRQ(ierr); 35c4762a1bSJed Brown ierr = MatLoad(A,fd);CHKERRQ(ierr); 36c4762a1bSJed Brown ierr = PetscViewerDestroy(&fd);CHKERRQ(ierr); 37c4762a1bSJed Brown /* 38c4762a1bSJed Brown Determines amount of subcomunicators 39c4762a1bSJed Brown */ 40c4762a1bSJed Brown ierr = PetscOptionsGetInt(NULL,NULL,"-nsub",&ns,NULL);CHKERRQ(ierr); 418fffc762SJacob Faibussowitsch ierr = PetscPrintf(PETSC_COMM_WORLD,"Splitting in %" PetscInt_FMT " subcommunicators\n",ns);CHKERRQ(ierr); 42c4762a1bSJed Brown ierr = PetscSubcommCreate(PetscObjectComm((PetscObject)A),&subc);CHKERRQ(ierr); 43c4762a1bSJed Brown ierr = PetscSubcommSetNumber(subc,ns);CHKERRQ(ierr); 44c4762a1bSJed Brown ierr = PetscSubcommSetType(subc,PETSC_SUBCOMM_CONTIGUOUS);CHKERRQ(ierr); 45c4762a1bSJed Brown ierr = PetscSubcommSetFromOptions(subc);CHKERRQ(ierr); 46c4762a1bSJed Brown ierr = MatCreateRedundantMatrix(A,0,PetscSubcommChild(subc),MAT_INITIAL_MATRIX,&Ar);CHKERRQ(ierr); 478fffc762SJacob Faibussowitsch ierr = PetscPrintf(PETSC_COMM_WORLD,"Copying matrix\n");CHKERRQ(ierr); 48c4762a1bSJed Brown ierr = MatDuplicate(Ar,MAT_COPY_VALUES,&C);CHKERRQ(ierr); 4933e6eea4SJose E. Roman ierr = MatAXPY(Ar,0.1,C,DIFFERENT_NONZERO_PATTERN);CHKERRQ(ierr); 50c4762a1bSJed Brown ierr = PetscSubcommDestroy(&subc);CHKERRQ(ierr); 51c4762a1bSJed Brown 52c4762a1bSJed Brown /* 53c4762a1bSJed Brown Free memory 54c4762a1bSJed Brown */ 55c4762a1bSJed Brown ierr = MatDestroy(&A);CHKERRQ(ierr); 56c4762a1bSJed Brown ierr = MatDestroy(&Ar);CHKERRQ(ierr); 57c4762a1bSJed Brown ierr = MatDestroy(&C);CHKERRQ(ierr); 58c4762a1bSJed Brown ierr = PetscFinalize(); 59c4762a1bSJed Brown return ierr; 60c4762a1bSJed Brown } 61c4762a1bSJed Brown 62c4762a1bSJed Brown /*TEST 63c4762a1bSJed Brown 64c4762a1bSJed Brown test: 65c4762a1bSJed Brown nsize: 4 6633e6eea4SJose E. Roman requires: !complex double !defined(PETSC_USE_64BIT_INDICES) 67c4762a1bSJed Brown args: -f0 ${wPETSC_DIR}/share/petsc/datafiles/matrices/ns-real-int32-float64 -malloc_dump 68c4762a1bSJed Brown 69c4762a1bSJed Brown TEST*/ 70