1c4762a1bSJed Brown program main 2c4762a1bSJed Brown#include <petsc/finclude/petscdmplex.h> 3*ce78bad3SBarry Smith use petscdm 4c4762a1bSJed Brown use petscdmplex 5c4762a1bSJed Brown implicit none 6c4762a1bSJed Brown 7c4762a1bSJed Brown DM dm 8c4762a1bSJed Brown PetscInt, target, dimension(3) :: EC 9c4762a1bSJed Brown PetscInt, target, dimension(2) :: VE 10c4762a1bSJed Brown PetscInt, pointer :: pEC(:), pVE(:) 11c4762a1bSJed Brown PetscInt, pointer :: nClosure(:) 12c4762a1bSJed Brown PetscInt, pointer :: nJoin(:) 13c4762a1bSJed Brown PetscInt, pointer :: nMeet(:) 14*ce78bad3SBarry Smith PetscInt dim, cell, size,nC 15d33816bfSBarry Smith PetscInt i0,i1,i2,i3,i6,i7 16c4762a1bSJed Brown PetscInt i8,i9,i10,i11 17c4762a1bSJed Brown PetscErrorCode ierr 18c4762a1bSJed Brown 19c4762a1bSJed Brown i0 = 0 20c4762a1bSJed Brown i1 = 1 21c4762a1bSJed Brown i2 = 2 22c4762a1bSJed Brown i3 = 3 23c4762a1bSJed Brown i6 = 6 24c4762a1bSJed Brown i7 = 7 25c4762a1bSJed Brown i8 = 8 26c4762a1bSJed Brown i9 = 9 27c4762a1bSJed Brown i10 = 10 28c4762a1bSJed Brown i11 = 11 29c4762a1bSJed Brown 30d8606c27SBarry Smith PetscCallA(PetscInitialize(ierr)) 31c4762a1bSJed Brown 32d8606c27SBarry Smith PetscCallA(DMPlexCreate(PETSC_COMM_WORLD, dm, ierr)) 33d8606c27SBarry Smith PetscCallA(PetscObjectSetName(dm, 'Mesh', ierr)) 34c4762a1bSJed Brown dim = 2 35d8606c27SBarry Smith PetscCallA(DMSetDimension(dm, dim, ierr)) 36c4762a1bSJed Brown 37c4762a1bSJed Brown! Make Doublet Mesh from Fig 2 of Flexible Representation of Computational Meshes, 38c4762a1bSJed Brown! except indexing is from 0 instead of 1 and we obey the new restrictions on 39c4762a1bSJed Brown! numbering: cells, vertices, faces, edges 40d8606c27SBarry Smith PetscCallA(DMPlexSetChart(dm, i0, i11, ierr)) 41c4762a1bSJed Brown! cells 42d8606c27SBarry Smith PetscCallA(DMPlexSetConeSize(dm, i0, i3, ierr)) 43d8606c27SBarry Smith PetscCallA(DMPlexSetConeSize(dm, i1, i3, ierr)) 44c4762a1bSJed Brown! edges 45d8606c27SBarry Smith PetscCallA(DMPlexSetConeSize(dm, i6, i2, ierr)) 46d8606c27SBarry Smith PetscCallA(DMPlexSetConeSize(dm, i7, i2, ierr)) 47d8606c27SBarry Smith PetscCallA(DMPlexSetConeSize(dm, i8, i2, ierr)) 48d8606c27SBarry Smith PetscCallA(DMPlexSetConeSize(dm, i9, i2, ierr)) 49d8606c27SBarry Smith PetscCallA(DMPlexSetConeSize(dm, i10, i2, ierr)) 50c4762a1bSJed Brown 51d8606c27SBarry Smith PetscCallA(DMSetUp(dm, ierr)) 52c4762a1bSJed Brown 53c4762a1bSJed Brown EC(1) = 6 54c4762a1bSJed Brown EC(2) = 7 55c4762a1bSJed Brown EC(3) = 8 56c4762a1bSJed Brown pEC => EC 57d8606c27SBarry Smith PetscCallA(DMPlexSetCone(dm, i0, pEC, ierr)) 58c4762a1bSJed Brown EC(1) = 7 59c4762a1bSJed Brown EC(2) = 9 60c4762a1bSJed Brown EC(3) = 10 61c4762a1bSJed Brown pEC => EC 62d8606c27SBarry Smith PetscCallA(DMPlexSetCone(dm, i1 , pEC, ierr)) 63c4762a1bSJed Brown 64c4762a1bSJed Brown VE(1) = 2 65c4762a1bSJed Brown VE(2) = 3 66c4762a1bSJed Brown pVE => VE 67d8606c27SBarry Smith PetscCallA(DMPlexSetCone(dm, i6 , pVE, ierr)) 68c4762a1bSJed Brown VE(1) = 3 69c4762a1bSJed Brown VE(2) = 4 70c4762a1bSJed Brown pVE => VE 71d8606c27SBarry Smith PetscCallA(DMPlexSetCone(dm, i7 , pVE, ierr)) 72c4762a1bSJed Brown VE(1) = 4 73c4762a1bSJed Brown VE(2) = 2 74c4762a1bSJed Brown pVE => VE 75d8606c27SBarry Smith PetscCallA(DMPlexSetCone(dm, i8 , pVE, ierr)) 76c4762a1bSJed Brown VE(1) = 3 77c4762a1bSJed Brown VE(2) = 5 78c4762a1bSJed Brown pVE => VE 79d8606c27SBarry Smith PetscCallA(DMPlexSetCone(dm, i9 , pVE, ierr)) 80c4762a1bSJed Brown VE(1) = 5 81c4762a1bSJed Brown VE(2) = 4 82c4762a1bSJed Brown pVE => VE 83d8606c27SBarry Smith PetscCallA(DMPlexSetCone(dm, i10 , pVE, ierr)) 84c4762a1bSJed Brown 85d8606c27SBarry Smith PetscCallA(DMPlexSymmetrize(dm,ierr)) 86d8606c27SBarry Smith PetscCallA(DMPlexStratify(dm,ierr)) 87d8606c27SBarry Smith PetscCallA(DMView(dm, PETSC_VIEWER_STDOUT_WORLD, ierr)) 88c4762a1bSJed Brown 89c4762a1bSJed Brown! Test Closure 90c4762a1bSJed Brown do cell = 0,1 91*ce78bad3SBarry Smith PetscCallA(DMPlexGetTransitiveClosure(dm,cell,PETSC_TRUE,nC,nClosure,ierr)) 92c4762a1bSJed Brown! Different Fortran compilers print a different number of columns 93c4762a1bSJed Brown! per row producing different outputs in the test runs hence 94c4762a1bSJed Brown! do not print the nClosure 95c4762a1bSJed Brown write(*,1000) 'nClosure ',nClosure 96c4762a1bSJed Brown 1000 format (a,30i4) 97*ce78bad3SBarry Smith PetscCallA(DMPlexRestoreTransitiveClosure(dm,cell,PETSC_TRUE,nC,nClosure,ierr)) 98c4762a1bSJed Brown end do 99c4762a1bSJed Brown 100c4762a1bSJed Brown! Test Join 101c4762a1bSJed Brown size = 2 102c4762a1bSJed Brown VE(1) = 6 103c4762a1bSJed Brown VE(2) = 7 104c4762a1bSJed Brown pVE => VE 105*ce78bad3SBarry Smith PetscCallA(DMPlexGetJoin(dm, size, pVE, PETSC_NULL_INTEGER, nJoin, ierr)) 106c4762a1bSJed Brown write(*,1001) 'Join of',pVE 107c4762a1bSJed Brown write(*,1002) ' is',nJoin 108*ce78bad3SBarry Smith PetscCallA(DMPlexRestoreJoin(dm, size, pVE, PETSC_NULL_INTEGER, nJoin, ierr)) 109c4762a1bSJed Brown size = 2 110c4762a1bSJed Brown VE(1) = 9 111c4762a1bSJed Brown VE(2) = 7 112c4762a1bSJed Brown pVE => VE 113*ce78bad3SBarry Smith PetscCallA(DMPlexGetJoin(dm, size, pVE, PETSC_NULL_INTEGER, nJoin, ierr)) 114c4762a1bSJed Brown write(*,1001) 'Join of',pVE 115c4762a1bSJed Brown 1001 format (a,10i5) 116c4762a1bSJed Brown write(*,1002) ' is',nJoin 117c4762a1bSJed Brown 1002 format (a,10i5) 118*ce78bad3SBarry Smith PetscCallA(DMPlexRestoreJoin(dm, size, pVE, PETSC_NULL_INTEGER, nJoin, ierr)) 119c4762a1bSJed Brown! Test Full Join 120c4762a1bSJed Brown size = 3 121c4762a1bSJed Brown EC(1) = 3 122c4762a1bSJed Brown EC(2) = 4 123c4762a1bSJed Brown EC(3) = 5 124c4762a1bSJed Brown pEC => EC 125*ce78bad3SBarry Smith PetscCallA(DMPlexGetFullJoin(dm, size, pEC, PETSC_NULL_INTEGER, nJoin, ierr)) 126c4762a1bSJed Brown write(*,1001) 'Full Join of',pEC 127c4762a1bSJed Brown write(*,1002) ' is',nJoin 128*ce78bad3SBarry Smith PetscCallA(DMPlexRestoreJoin(dm, size, pEC, PETSC_NULL_INTEGER, nJoin, ierr)) 129c4762a1bSJed Brown! Test Meet 130c4762a1bSJed Brown size = 2 131c4762a1bSJed Brown VE(1) = 0 132c4762a1bSJed Brown VE(2) = 1 133c4762a1bSJed Brown pVE => VE 134*ce78bad3SBarry Smith PetscCallA(DMPlexGetMeet(dm, size, pVE, PETSC_NULL_INTEGER, nMeet, ierr)) 135c4762a1bSJed Brown write(*,1001) 'Meet of',pVE 136c4762a1bSJed Brown write(*,1002) ' is',nMeet 137*ce78bad3SBarry Smith PetscCallA(DMPlexRestoreMeet(dm, size, pVE, PETSC_NULL_INTEGER, nMeet, ierr)) 138c4762a1bSJed Brown size = 2 139c4762a1bSJed Brown VE(1) = 6 140c4762a1bSJed Brown VE(2) = 7 141c4762a1bSJed Brown pVE => VE 142*ce78bad3SBarry Smith PetscCallA(DMPlexGetMeet(dm, size, pVE, PETSC_NULL_INTEGER, nMeet, ierr)) 143c4762a1bSJed Brown write(*,1001) 'Meet of',pVE 144c4762a1bSJed Brown write(*,1002) ' is',nMeet 145*ce78bad3SBarry Smith PetscCallA(DMPlexRestoreMeet(dm, size, pVE, PETSC_NULL_INTEGER, nMeet, ierr)) 146c4762a1bSJed Brown 147d8606c27SBarry Smith PetscCallA(DMDestroy(dm, ierr)) 148d8606c27SBarry Smith PetscCallA(PetscFinalize(ierr)) 149c4762a1bSJed Brown end 150c4762a1bSJed Brown! 151c4762a1bSJed Brown!/*TEST 152c4762a1bSJed Brown! 153c4762a1bSJed Brown! test: 154c4762a1bSJed Brown! suffix: 0 155c4762a1bSJed Brown! 156c4762a1bSJed Brown!TEST*/ 157