Actual source code: dadestroy.c
petsc-3.13.6 2020-09-29
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      2: /*
      3:   Code for manipulating distributed regular arrays in parallel.
      4: */

      6:  #include <petsc/private/dmdaimpl.h>

      8: PetscErrorCode  DMDestroy_DA(DM da)
      9: {
     11:   PetscErrorCode i;
     12:   DM_DA          *dd = (DM_DA*)da->data;

     15:   /* destroy the external/common part */
     16:   for (i=0; i<DMDA_MAX_WORK_ARRAYS; i++) {
     17:     PetscFree(dd->startghostedout[i]);
     18:     PetscFree(dd->startghostedin[i]);
     19:     PetscFree(dd->startout[i]);
     20:     PetscFree(dd->startin[i]);
     21:   }

     23:   VecScatterDestroy(&dd->gtol);
     24:   VecScatterDestroy(&dd->ltol);
     25:   VecDestroy(&dd->natural);
     26:   VecScatterDestroy(&dd->gton);
     27:   AODestroy(&dd->ao);
     28:   PetscFree(dd->aotype);

     30:   PetscFree(dd->lx);
     31:   PetscFree(dd->ly);
     32:   PetscFree(dd->lz);

     34:   PetscFree(dd->refine_x_hier);
     35:   PetscFree(dd->refine_y_hier);
     36:   PetscFree(dd->refine_z_hier);

     38:   if (dd->fieldname) {
     39:     for (i=0; i<dd->w; i++) {
     40:       PetscFree(dd->fieldname[i]);
     41:     }
     42:     PetscFree(dd->fieldname);
     43:   }
     44:   if (dd->coordinatename) {
     45:     for (i=0; i<da->dim; i++) {
     46:       PetscFree(dd->coordinatename[i]);
     47:     }
     48:     PetscFree(dd->coordinatename);
     49:   }
     50:   ISColoringDestroy(&dd->localcoloring);
     51:   ISColoringDestroy(&dd->ghostedcoloring);

     53:   PetscFree(dd->neighbors);
     54:   PetscFree(dd->dfill);
     55:   PetscFree(dd->ofill);
     56:   PetscFree(dd->ofillcols);
     57:   PetscFree(dd->e);
     58:   ISDestroy(&dd->ecorners);

     60:   PetscObjectComposeFunction((PetscObject)da,"DMSetUpGLVisViewer_C",NULL);

     62:   PetscFree(dd);
     63:   return(0);
     64: }