1 2 #include <petsc/private/tsimpl.h> /*I "petscts.h" I*/ 3 4 typedef struct { 5 PetscViewer viewer; 6 } TSTrajectory_Singlefile; 7 8 #undef __FUNCT__ 9 #define __FUNCT__ "TSTrajectorySet_Singlefile" 10 PetscErrorCode TSTrajectorySet_Singlefile(TSTrajectory jac,TS ts,PetscInt stepnum,PetscReal time,Vec X) 11 { 12 TSTrajectory_Singlefile *sf = (TSTrajectory_Singlefile*)jac->data; 13 PetscInt ns,i; 14 Vec *Y; 15 PetscReal tprev; 16 PetscErrorCode ierr; 17 const char *filename; 18 19 PetscFunctionBeginUser; 20 if (stepnum == 0) { 21 ierr = PetscViewerCreate(PETSC_COMM_WORLD, &sf->viewer);CHKERRQ(ierr); 22 ierr = PetscViewerSetType(sf->viewer, PETSCVIEWERBINARY);CHKERRQ(ierr); 23 ierr = PetscViewerFileSetMode(sf->viewer,FILE_MODE_WRITE);CHKERRQ(ierr); 24 ierr = PetscObjectGetName((PetscObject)jac,&filename);CHKERRQ(ierr); 25 ierr = PetscViewerFileSetName(sf->viewer, filename);CHKERRQ(ierr); 26 } 27 ierr = TSGetPrevTime(ts,&tprev);CHKERRQ(ierr); 28 ierr = TSGetTotalSteps(ts,&stepnum);CHKERRQ(ierr); 29 ierr = VecView(X,sf->viewer);CHKERRQ(ierr); 30 ierr = PetscViewerBinaryWrite(sf->viewer,&tprev,1,PETSC_REAL,PETSC_FALSE);CHKERRQ(ierr); 31 ierr = TSGetStages(ts,&ns,&Y);CHKERRQ(ierr); 32 33 for (i=0;i<ns;i++) { 34 ierr = VecView(Y[i],sf->viewer);CHKERRQ(ierr); 35 } 36 PetscFunctionReturn(0); 37 } 38 39 #undef __FUNCT__ 40 #define __FUNCT__ "TSTrajectoryDestroy_Singlefile" 41 PetscErrorCode TSTrajectoryDestroy_Singlefile(TSTrajectory jac) 42 { 43 PetscErrorCode ierr; 44 TSTrajectory_Singlefile *sf = (TSTrajectory_Singlefile*)jac->data; 45 46 PetscFunctionBegin; 47 ierr = PetscViewerDestroy(&sf->viewer);CHKERRQ(ierr); 48 ierr = PetscFree(sf);CHKERRQ(ierr); 49 PetscFunctionReturn(0); 50 } 51 52 /*MC 53 TSTRAJECTORYSINGLEFILE - Stores all solutions of the ODE/ADE into a single file 54 55 Level: intermediate 56 57 .seealso: TSTrajectoryCreate(), TS, TSTrajectorySetType() 58 59 M*/ 60 #undef __FUNCT__ 61 #define __FUNCT__ "TSTrajectoryCreate_Singlefile" 62 PETSC_EXTERN PetscErrorCode TSTrajectoryCreate_Singlefile(TSTrajectory ts) 63 { 64 PetscErrorCode ierr; 65 TSTrajectory_Singlefile *sf; 66 67 PetscFunctionBegin; 68 ierr = PetscNew(&sf);CHKERRQ(ierr); 69 ts->data = sf; 70 ts->ops->set = TSTrajectorySet_Singlefile; 71 ts->ops->get = NULL; 72 ts->ops->destroy = TSTrajectoryDestroy_Singlefile; 73 PetscFunctionReturn(0); 74 } 75