Actual source code: simple.c

petsc-master 2019-09-16
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  2:  #include <petsc/private/vecimpl.h>
  3: #include "../src/vec/vec/utils/tagger/impls/simple.h"

  5: PetscErrorCode VecTaggerDestroy_Simple(VecTagger tagger)
  6: {
  7:   VecTagger_Simple *smpl = (VecTagger_Simple *) tagger->data;

 11:   PetscFree (smpl->box);
 12:   PetscFree (tagger->data);
 13:   return(0);
 14: }

 16: PetscErrorCode VecTaggerSetFromOptions_Simple(PetscOptionItems *PetscOptionsObject,VecTagger tagger)
 17: {
 18:   PetscInt       nvals, bs;
 19:   char           headstring[BUFSIZ];
 20:   char           funcstring[BUFSIZ];
 21:   const char     *name;
 22:   PetscBool      set;
 23:   PetscScalar    *inBoxVals;

 27:   PetscObjectGetType((PetscObject)tagger,&name);
 28:   VecTaggerGetBlockSize(tagger,&bs);
 29:   nvals = 2 * bs;
 30:   PetscMalloc1(nvals,&inBoxVals);
 31:   PetscSNPrintf(headstring,BUFSIZ,"VecTagger %s options",name);
 32:   PetscSNPrintf(funcstring,BUFSIZ,"VecTagger%sSetBox()",name);
 33:   PetscOptionsHead(PetscOptionsObject,headstring);
 34:   PetscOptionsScalarArray("-vec_tagger_box","lower and upper bounds of the box",funcstring,inBoxVals,&nvals,&set);
 35:   PetscOptionsTail();
 36:   if (set) {
 37:     if (nvals != 2 *bs) SETERRQ2(PetscObjectComm((PetscObject)tagger),PETSC_ERR_ARG_INCOMP,"Expect array of %D values for -vec_tagger_box, got %D",2 * bs,nvals);
 38:     VecTaggerSetBox_Simple(tagger,(VecTaggerBox *)inBoxVals);
 39:   }
 40:   PetscFree(inBoxVals);
 41:   return(0);
 42: }

 44: PetscErrorCode VecTaggerSetUp_Simple(VecTagger tagger)
 45: {
 46:   VecTagger_Simple *smpl = (VecTagger_Simple *) tagger->data;

 49:   if (!smpl->box) SETERRQ(PetscObjectComm((PetscObject)tagger),PETSC_ERR_ARG_WRONGSTATE,"Must set a box before calling setup.");
 50:   return(0);
 51: }

 53: PetscErrorCode VecTaggerView_Simple(VecTagger tagger, PetscViewer viewer)
 54: {
 55:   VecTagger_Simple *smpl = (VecTagger_Simple *) tagger->data;
 56:   PetscBool        iascii;
 57:   PetscErrorCode   ierr;

 60:   PetscObjectTypeCompare((PetscObject)viewer,PETSCVIEWERASCII,&iascii);
 61:   if (iascii) {
 62:     PetscInt bs, i;
 63:     const char *name;

 65:     PetscObjectGetType((PetscObject)tagger,&name);
 66:     VecTaggerGetBlockSize(tagger,&bs);
 67:     PetscViewerASCIIPrintf(viewer," %s box=[",name);
 68:     for (i = 0; i < bs; i++) {
 69:       if (i) {PetscViewerASCIIPrintf(viewer,"; ");}
 70: #if !defined(PETSC_USE_COMPLEX)
 71:       PetscViewerASCIIPrintf(viewer,"%g,%g",(double)smpl->box[i].min,(double)smpl->box[i].max);
 72: #else
 73:       PetscViewerASCIIPrintf(viewer,"%g+%gi,%g+%gi",(double)PetscRealPart(smpl->box[i].min),(double)PetscImaginaryPart(smpl->box[i].min),(double)PetscRealPart(smpl->box[i].max),(double)PetscImaginaryPart(smpl->box[i].max));
 74: #endif
 75:     }
 76:     PetscViewerASCIIPrintf(viewer,"]\n");
 77:   }
 78:   return(0);
 79: }

 81: PetscErrorCode VecTaggerSetBox_Simple(VecTagger tagger,VecTaggerBox *box)
 82: {
 83:   VecTagger_Simple *smpl = (VecTagger_Simple *) tagger->data;

 89:   if (box != smpl->box) {
 90:     PetscInt bs, i;

 92:     VecTaggerGetBlockSize(tagger,&bs);
 93:     PetscFree(smpl->box);
 94:     PetscMalloc1(bs,&(smpl->box));
 95:     for (i = 0; i < bs; i++) smpl->box[i] = box[i];
 96:   }
 97:   return(0);
 98: }

100: PetscErrorCode VecTaggerGetBox_Simple(VecTagger tagger,const VecTaggerBox **box)
101: {
102:   VecTagger_Simple *smpl = (VecTagger_Simple *) tagger->data;

107:   *box = smpl->box;
108:   return(0);
109: }

111: PetscErrorCode VecTaggerCreate_Simple(VecTagger tagger)
112: {
113:   VecTagger_Simple *smpl;
114:   PetscErrorCode     ierr;

117:   tagger->ops->destroy          = VecTaggerDestroy_Simple;
118:   tagger->ops->setfromoptions   = VecTaggerSetFromOptions_Simple;
119:   tagger->ops->setup            = VecTaggerSetUp_Simple;
120:   tagger->ops->view             = VecTaggerView_Simple;
121:   tagger->ops->computeis        = VecTaggerComputeIS_FromBoxes;
122:   PetscNewLog(tagger,&smpl);
123:   tagger->data = smpl;
124:   return(0);
125: }