1 2 /* 3 Code for manipulating distributed regular arrays in parallel. 4 */ 5 6 #include <private/daimpl.h> /*I "petscdmda.h" I*/ 7 8 /* Logging support */ 9 PetscClassId ADDA_CLASSID; 10 PetscLogEvent DMDA_LocalADFunction; 11 12 #undef __FUNCT__ 13 #define __FUNCT__ "DMDestroy_Private" 14 /* 15 DMDestroy_Private - handles the work vectors created by DMGetGlobalVector() and DMGetLocalVector() 16 17 */ 18 PetscErrorCode DMDestroy_Private(DM dm,PetscBool *done) 19 { 20 PetscErrorCode ierr; 21 PetscErrorCode i,cnt = 0; 22 23 PetscFunctionBegin; 24 PetscValidHeaderSpecific(dm,DM_CLASSID,1); 25 *done = PETSC_FALSE; 26 27 for (i=0; i<DM_MAX_WORK_VECTORS; i++) { 28 if (dm->localin[i]) {cnt++;} 29 if (dm->globalin[i]) {cnt++;} 30 } 31 32 if (--((PetscObject)dm)->refct - cnt > 0) PetscFunctionReturn(0); 33 34 /* 35 Need this test because the dm references the vectors that 36 reference the dm, so destroying the dm calls destroy on the 37 vectors that cause another destroy on the dm 38 */ 39 if (((PetscObject)dm)->refct < 0) PetscFunctionReturn(0); 40 ((PetscObject)dm)->refct = 0; 41 42 for (i=0; i<DM_MAX_WORK_VECTORS; i++) { 43 if (dm->localout[i]) SETERRQ(PETSC_COMM_SELF,PETSC_ERR_ARG_WRONGSTATE,"Destroying a DM that has a local vector obtained with DMGetLocalVector()"); 44 if (dm->localin[i]) {ierr = VecDestroy(&dm->localin[i]);CHKERRQ(ierr);} 45 if (dm->globalout[i]) SETERRQ(PETSC_COMM_SELF,PETSC_ERR_ARG_WRONGSTATE,"Destroying a DM that has a global vector obtained with DMGetGlobalVector()"); 46 if (dm->globalin[i]) {ierr = VecDestroy(&dm->globalin[i]);CHKERRQ(ierr);} 47 } 48 if (dm->ltogmap) {ierr = ISLocalToGlobalMappingDestroy(&dm->ltogmap);CHKERRQ(ierr);} 49 if (dm->ltogmapb) {ierr = ISLocalToGlobalMappingDestroy(&dm->ltogmapb);CHKERRQ(ierr);} 50 51 *done = PETSC_TRUE; 52 PetscFunctionReturn(0); 53 } 54 55 #undef __FUNCT__ 56 #define __FUNCT__ "DMDestroy_DA" 57 PetscErrorCode DMDestroy_DA(DM *da) 58 { 59 PetscErrorCode ierr; 60 PetscErrorCode i; 61 PetscBool done; 62 DM_DA *dd = (DM_DA*)(*da)->data; 63 64 PetscFunctionBegin; 65 /* destroy the external/common part */ 66 for (i=0; i<DMDA_MAX_AD_ARRAYS; i++) { 67 ierr = PetscFree(dd->adstartghostedout[i]);CHKERRQ(ierr); 68 ierr = PetscFree(dd->adstartghostedin[i]);CHKERRQ(ierr); 69 ierr = PetscFree(dd->adstartout[i]);CHKERRQ(ierr); 70 ierr = PetscFree(dd->adstartin[i]);CHKERRQ(ierr); 71 } 72 for (i=0; i<DMDA_MAX_AD_ARRAYS; i++) { 73 ierr = PetscFree(dd->admfstartghostedout[i]);CHKERRQ(ierr); 74 ierr = PetscFree(dd->admfstartghostedin[i]);CHKERRQ(ierr); 75 ierr = PetscFree(dd->admfstartout[i]);CHKERRQ(ierr); 76 ierr = PetscFree(dd->admfstartin[i]);CHKERRQ(ierr); 77 } 78 for (i=0; i<DMDA_MAX_WORK_ARRAYS; i++) { 79 ierr = PetscFree(dd->startghostedout[i]);CHKERRQ(ierr); 80 ierr = PetscFree(dd->startghostedin[i]);CHKERRQ(ierr); 81 ierr = PetscFree(dd->startout[i]);CHKERRQ(ierr); 82 ierr = PetscFree(dd->startin[i]);CHKERRQ(ierr); 83 } 84 85 /* if memory was published with AMS then destroy it */ 86 ierr = PetscObjectDepublish(da);CHKERRQ(ierr); 87 88 ierr = VecScatterDestroy(&dd->ltog);CHKERRQ(ierr); 89 ierr = VecScatterDestroy(&dd->gtol);CHKERRQ(ierr); 90 ierr = VecScatterDestroy(&dd->ltol);CHKERRQ(ierr); 91 ierr = VecDestroy(&dd->natural);CHKERRQ(ierr); 92 ierr = VecScatterDestroy(&dd->gton);CHKERRQ(ierr); 93 ierr = AODestroy(&dd->ao);CHKERRQ(ierr); 94 95 ierr = PetscFree(dd->idx);CHKERRQ(ierr); 96 ierr = PetscFree(dd->lx);CHKERRQ(ierr); 97 ierr = PetscFree(dd->ly);CHKERRQ(ierr); 98 ierr = PetscFree(dd->lz);CHKERRQ(ierr); 99 100 if (dd->fieldname) { 101 for (i=0; i<dd->w; i++) { 102 ierr = PetscFree(dd->fieldname[i]);CHKERRQ(ierr); 103 } 104 ierr = PetscFree(dd->fieldname);CHKERRQ(ierr); 105 } 106 ierr = ISColoringDestroy(&dd->localcoloring);CHKERRQ(ierr); 107 ierr = ISColoringDestroy(&dd->ghostedcoloring);CHKERRQ(ierr); 108 109 ierr = VecDestroy(&dd->coordinates);CHKERRQ(ierr);} 110 ierr = VecDestroy(&dd->ghosted_coordinates);CHKERRQ(ierr);} 111 if (dd->da_coordinates && da != dd->da_coordinates) {ierr = DMDestroy(&dd->da_coordinates);CHKERRQ(ierr);} 112 113 ierr = PetscFree(dd->neighbors);CHKERRQ(ierr); 114 ierr = PetscFree(dd->dfill);CHKERRQ(ierr); 115 ierr = PetscFree(dd->ofill);CHKERRQ(ierr); 116 ierr = PetscFree(dd->e);CHKERRQ(ierr); 117 PetscFunctionReturn(0); 118 } 119