1*c4762a1bSJed Brown static char help[] = "Test MatrixMarket outputing.\n\n"; 2*c4762a1bSJed Brown 3*c4762a1bSJed Brown /* 4*c4762a1bSJed Brown Include "petscmat.h" so that we can use matrices. 5*c4762a1bSJed Brown automatically includes: 6*c4762a1bSJed Brown petscsys.h - base PETSc routines petscvec.h - vectors 7*c4762a1bSJed Brown petscmat.h - matrices 8*c4762a1bSJed Brown petscis.h - index sets petscviewer.h - viewers 9*c4762a1bSJed Brown */ 10*c4762a1bSJed Brown 11*c4762a1bSJed Brown #include <petscmat.h> 12*c4762a1bSJed Brown 13*c4762a1bSJed Brown int main(int argc,char **args) 14*c4762a1bSJed Brown { 15*c4762a1bSJed Brown Mat A; 16*c4762a1bSJed Brown PetscViewer fd; /* viewer */ 17*c4762a1bSJed Brown char file[PETSC_MAX_PATH_LEN]; /* input file name */ 18*c4762a1bSJed Brown PetscErrorCode ierr; 19*c4762a1bSJed Brown PetscBool flg; 20*c4762a1bSJed Brown 21*c4762a1bSJed Brown ierr = PetscInitialize(&argc,&args,(char*)0,help);if (ierr) return ierr; 22*c4762a1bSJed Brown ierr = PetscOptionsGetString(NULL,NULL,"-f0",file,PETSC_MAX_PATH_LEN,&flg);CHKERRQ(ierr); 23*c4762a1bSJed Brown if (!flg) SETERRQ(PETSC_COMM_WORLD,PETSC_ERR_USER,"Must indicate binary file with the -f0 option"); 24*c4762a1bSJed Brown ierr = PetscViewerBinaryOpen(PETSC_COMM_WORLD,file,FILE_MODE_READ,&fd);CHKERRQ(ierr); 25*c4762a1bSJed Brown ierr = MatCreate(PETSC_COMM_WORLD,&A);CHKERRQ(ierr); 26*c4762a1bSJed Brown ierr = MatLoad(A,fd);CHKERRQ(ierr); 27*c4762a1bSJed Brown ierr = PetscViewerDestroy(&fd);CHKERRQ(ierr); 28*c4762a1bSJed Brown 29*c4762a1bSJed Brown ierr = PetscViewerPushFormat(PETSC_VIEWER_STDOUT_WORLD,PETSC_VIEWER_ASCII_MATRIXMARKET);CHKERRQ(ierr); 30*c4762a1bSJed Brown ierr = MatView(A,PETSC_VIEWER_STDOUT_WORLD);CHKERRQ(ierr); 31*c4762a1bSJed Brown ierr = PetscViewerPopFormat(PETSC_VIEWER_STDOUT_WORLD);CHKERRQ(ierr); 32*c4762a1bSJed Brown ierr = MatDestroy(&A);CHKERRQ(ierr); 33*c4762a1bSJed Brown ierr = PetscFinalize(); 34*c4762a1bSJed Brown return ierr; 35*c4762a1bSJed Brown } 36*c4762a1bSJed Brown 37*c4762a1bSJed Brown /*TEST 38*c4762a1bSJed Brown 39*c4762a1bSJed Brown test: 40*c4762a1bSJed Brown args: -f0 ${wPETSC_DIR}/share/petsc/datafiles/matrices/ns-real-int32-float64 41*c4762a1bSJed Brown requires: !complex double !define(PETSC_USE_64BIT_INDICES) 42*c4762a1bSJed Brown 43*c4762a1bSJed Brown TEST*/ 44