1: #include "petscsystypes.h"
  2: static char help[] = "Test PetscViewer_ExodusII\n\n";

  4: #include <petsc.h>
  5: #include <exodusII.h>

  7: int main(int argc, char **argv)
  8: {
  9:   DM                 dm, pdm;
 10:   PetscInt           ovlp = 0;
 11:   char               ifilename[PETSC_MAX_PATH_LEN], ofilename[PETSC_MAX_PATH_LEN];
 12:   PetscExodusIIInt   numZVars, numNVars;
 13:   PetscExodusIIInt   nNodalVar = 4;
 14:   PetscExodusIIInt   nZonalVar = 3;
 15:   PetscInt           order     = 1;
 16:   PetscViewer        viewer;
 17:   PetscExodusIIInt   index           = -1;
 18:   const char        *nodalVarName[4] = {"U_x", "U_y", "Alpha", "Beta"};
 19:   const char        *zonalVarName[3] = {"Sigma_11", "Sigma_12", "Sigma_22"};
 20:   const char        *testNames[3]    = {"U", "Sigma", "Gamma"};
 21:   const char *const *varNames;

 23:   PetscFunctionBeginUser;
 24:   PetscCall(PetscInitialize(&argc, &argv, NULL, help));
 25:   PetscOptionsBegin(PETSC_COMM_WORLD, NULL, "PetscViewer_ExodusII test", "ex96");
 26:   PetscCall(PetscOptionsString("-i", "Filename to read", "ex96", ifilename, ifilename, sizeof(ifilename), NULL));
 27:   PetscCall(PetscOptionsString("-o", "Filename to write", "ex96", ofilename, ofilename, sizeof(ofilename), NULL));
 28:   PetscOptionsEnd();

 30:   if (PetscDefined(USE_DEBUG)) PetscCallExternal(ex_opts, EX_VERBOSE + EX_DEBUG);

 32:   PetscCall(DMPlexCreateFromFile(PETSC_COMM_WORLD, ifilename, NULL, PETSC_TRUE, &dm));
 33:   PetscCall(DMPlexDistributeSetDefault(dm, PETSC_FALSE));
 34:   PetscCall(DMSetFromOptions(dm));
 35:   PetscCall(PetscObjectSetName((PetscObject)dm, "ex96"));
 36:   PetscCall(DMViewFromOptions(dm, NULL, "-dm_view"));

 38:   PetscCall(PetscViewerExodusIIOpen(PETSC_COMM_WORLD, ofilename, FILE_MODE_WRITE, &viewer));

 40:   /* Save the geometry to the file, erasing all previous content */
 41:   PetscCall(PetscViewerExodusIISetOrder(viewer, order));
 42:   PetscCall(DMView(dm, viewer));
 43:   PetscCall(PetscViewerView(viewer, PETSC_VIEWER_STDOUT_WORLD));
 44:   PetscCall(PetscViewerFlush(viewer));

 46:   PetscCall(DMPlexDistribute(dm, ovlp, NULL, &pdm));
 47:   if (!pdm) pdm = dm;

 49:   /* Testing Variable Number*/
 50:   PetscCall(PetscViewerExodusIISetZonalVariable(viewer, nZonalVar));
 51:   nZonalVar = -1;
 52:   PetscCall(PetscViewerExodusIIGetZonalVariable(viewer, &nZonalVar));
 53:   PetscCall(PetscPrintf(PETSC_COMM_WORLD, "Number of zonal variables: %d\n", nZonalVar));

 55:   PetscCall(PetscViewerExodusIISetNodalVariable(viewer, nNodalVar));
 56:   nNodalVar = -1;
 57:   PetscCall(PetscViewerExodusIIGetNodalVariable(viewer, &nNodalVar));
 58:   PetscCall(PetscPrintf(PETSC_COMM_WORLD, "Number of nodal variables: %d\n", nNodalVar));
 59:   PetscCall(PetscViewerView(viewer, PETSC_VIEWER_STDOUT_WORLD));

 61:   /*
 62:     Test of PetscViewerExodusIISet[Nodal/Zonal]VariableNames
 63:   */
 64:   PetscCall(PetscPrintf(PETSC_COMM_WORLD, "Testing PetscViewerExodusIISet[Nodal/Zonal]VariableNames\n"));
 65:   PetscCall(PetscViewerExodusIISetZonalVariableNames(viewer, zonalVarName));
 66:   PetscCall(PetscViewerExodusIISetNodalVariableNames(viewer, nodalVarName));
 67:   PetscCall(PetscViewerView(viewer, PETSC_VIEWER_STDOUT_WORLD));
 68:   PetscCall(PetscViewerDestroy(&viewer));

 70:   /*
 71:     Test of PetscViewerExodusIIGet[Nodal/Zonal]VariableNames
 72:   */
 73:   PetscCall(PetscPrintf(PETSC_COMM_WORLD, "\n\nReopenning the output file in Read-only mode\n"));
 74:   PetscCall(PetscPrintf(PETSC_COMM_WORLD, "Testing PetscViewerExodusIIGet[Nodal/Zonal]VariableNames\n"));
 75:   PetscCall(PetscViewerExodusIIOpen(PETSC_COMM_WORLD, ofilename, FILE_MODE_APPEND, &viewer));
 76:   PetscCall(PetscViewerExodusIISetOrder(viewer, order));

 78:   PetscCall(PetscViewerExodusIIGetNodalVariableNames(viewer, &numNVars, &varNames));
 79:   for (PetscExodusIIInt i = 0; i < numNVars; i++) {
 80:     PetscCall(PetscViewerExodusIIGetNodalVariableIndex(viewer, varNames[i], &index));
 81:     PetscCall(PetscPrintf(PETSC_COMM_WORLD, "   Nodal variable %d: %s, index in file %d\n", i, varNames[i], index));
 82:   }
 83:   for (PetscExodusIIInt i = 0; i < 3; i++) {
 84:     PetscCall(PetscViewerExodusIIGetNodalVariableIndex(viewer, testNames[i], &index));
 85:     PetscCall(PetscPrintf(PETSC_COMM_WORLD, "   Nodal variable %d: %s, index in file %d\n", i, testNames[i], index));
 86:   }

 88:   PetscCall(PetscPrintf(PETSC_COMM_WORLD, "\n"));
 89:   PetscCall(PetscViewerExodusIIGetZonalVariableNames(viewer, &numZVars, &varNames));
 90:   for (PetscExodusIIInt i = 0; i < numZVars; i++) {
 91:     PetscCall(PetscViewerExodusIIGetZonalVariableIndex(viewer, varNames[i], &index));
 92:     PetscCall(PetscPrintf(PETSC_COMM_WORLD, "   Zonal variable %d: %s, index in file %d\n", i, varNames[i], index));
 93:   }
 94:   for (PetscExodusIIInt i = 0; i < 3; i++) {
 95:     PetscCall(PetscViewerExodusIIGetZonalVariableIndex(viewer, testNames[i], &index));
 96:     PetscCall(PetscPrintf(PETSC_COMM_WORLD, "   Zonal variable %d: %s, index in file %d\n", i, testNames[i], index));
 97:   }

 99:   PetscCall(PetscViewerDestroy(&viewer));
100:   PetscCall(DMDestroy(&dm));
101:   PetscCall(PetscFinalize());
102:   return 0;
103: }

105: /*TEST

107:   build:
108:     requires: exodusii pnetcdf !complex
109:   test:
110:     suffix: 0
111:     nsize: 1
112:     args: -i ${wPETSC_DIR}/share/petsc/datafiles/meshes/FourSquareT-large.exo -o FourSquareT-large_out.exo

114: TEST*/