1 2 #include <petscsys.h> 3 #include <petsc/private/viewerimpl.h> 4 5 struct _n_PetscViewers { 6 MPI_Comm comm; 7 PetscViewer *viewer; 8 int n; 9 }; 10 11 /*@C 12 PetscViewersDestroy - Destroys a set of PetscViewers created with PetscViewersCreate(). 13 14 Collective on PetscViewers 15 16 Input Parameters: 17 . v - the PetscViewers to be destroyed. 18 19 Level: intermediate 20 21 .seealso: PetscViewerSocketOpen(), PetscViewerASCIIOpen(), PetscViewerCreate(), PetscViewerDrawOpen(), PetscViewersCreate() 22 23 @*/ 24 PetscErrorCode PetscViewersDestroy(PetscViewers *v) 25 { 26 int i; 27 PetscErrorCode ierr; 28 29 PetscFunctionBegin; 30 if (!*v) PetscFunctionReturn(0); 31 for (i=0; i<(*v)->n; i++) { 32 ierr = PetscViewerDestroy(&(*v)->viewer[i]);CHKERRQ(ierr); 33 } 34 ierr = PetscFree((*v)->viewer);CHKERRQ(ierr); 35 ierr = PetscFree(*v);CHKERRQ(ierr); 36 PetscFunctionReturn(0); 37 } 38 39 /*@C 40 PetscViewersCreate - Creates a container to hold a set of PetscViewers. 41 42 Collective 43 44 Input Parameter: 45 . comm - the MPI communicator 46 47 Output Parameter: 48 . v - the collection of PetscViewers 49 50 Level: intermediate 51 52 .seealso: PetscViewerCreate(), PetscViewersDestroy() 53 54 @*/ 55 PetscErrorCode PetscViewersCreate(MPI_Comm comm,PetscViewers *v) 56 { 57 PetscErrorCode ierr; 58 59 PetscFunctionBegin; 60 ierr = PetscNew(v);CHKERRQ(ierr); 61 (*v)->n = 64; 62 (*v)->comm = comm; 63 64 ierr = PetscCalloc1(64,&(*v)->viewer);CHKERRQ(ierr); 65 PetscFunctionReturn(0); 66 } 67 68 /*@C 69 PetscViewersGetViewer - Gets a PetscViewer from a PetscViewer collection 70 71 Not Collective, but PetscViewer will be collective object on PetscViewers 72 73 Input Parameters: 74 + viewers - object created with PetscViewersCreate() 75 - n - number of PetscViewer you want 76 77 Output Parameter: 78 . viewer - the PetscViewer 79 80 Level: intermediate 81 82 .seealso: PetscViewersCreate(), PetscViewersDestroy() 83 84 @*/ 85 PetscErrorCode PetscViewersGetViewer(PetscViewers viewers,PetscInt n,PetscViewer *viewer) 86 { 87 PetscErrorCode ierr; 88 89 PetscFunctionBegin; 90 if (n < 0) SETERRQ1(PETSC_COMM_SELF,PETSC_ERR_ARG_OUTOFRANGE,"Cannot access using a negative index - %d\n",n); 91 if (n >= viewers->n) { 92 PetscViewer *v; 93 int newn = n + 64; /* add 64 new ones at a time */ 94 95 ierr = PetscCalloc1(newn,&v);CHKERRQ(ierr); 96 ierr = PetscArraycpy(v,viewers->viewer,viewers->n);CHKERRQ(ierr); 97 ierr = PetscFree(viewers->viewer);CHKERRQ(ierr); 98 99 viewers->viewer = v; 100 } 101 if (!viewers->viewer[n]) { 102 ierr = PetscViewerCreate(viewers->comm,&viewers->viewer[n]);CHKERRQ(ierr); 103 } 104 *viewer = viewers->viewer[n]; 105 PetscFunctionReturn(0); 106 } 107 108 /* 109 PetscMonitorCompare - Checks if two monitors are identical; if they are then it destroys the new one 110 111 Not collective 112 113 Input Parameters: 114 + nmon - The new monitor 115 . nmctx - The new monitor context, or NULL 116 . nmdestroy - The new monitor destroy function, or NULL 117 . mon - The old monitor 118 . mctx - The old monitor context, or NULL 119 - mdestroy - The old monitor destroy function, or NULL 120 121 Output Parameter: 122 . identical - PETSC_TRUE if the monitors are the same 123 124 Level: developer 125 126 .seealsp: DMMonitorSetFromOptions(), KSPMonitorSetFromOptions(), SNESMonitorSetFromOptions() 127 */ 128 PetscErrorCode PetscMonitorCompare(PetscErrorCode (*nmon)(void), void *nmctx, PetscErrorCode (*nmdestroy)(void **), PetscErrorCode (*mon)(void), void *mctx, PetscErrorCode (*mdestroy)(void **), PetscBool *identical) 129 { 130 PetscFunctionBegin; 131 *identical = PETSC_FALSE; 132 if (nmon == mon && nmdestroy == mdestroy) { 133 if (nmctx == mctx) *identical = PETSC_TRUE; 134 else if (nmdestroy == (PetscErrorCode (*)(void**)) PetscViewerAndFormatDestroy) { 135 PetscViewerAndFormat *old = (PetscViewerAndFormat*)mctx, *newo = (PetscViewerAndFormat*)nmctx; 136 if (old->viewer == newo->viewer && old->format == newo->format) *identical = PETSC_TRUE; 137 } 138 if (*identical) { 139 if (mdestroy) { 140 PetscErrorCode ierr; 141 ierr = (*mdestroy)(&nmctx);CHKERRQ(ierr); 142 } 143 } 144 } 145 PetscFunctionReturn(0); 146 } 147