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coverage: 46.639% (+0.03%) from 46.613%
DEBUG=NO MPI=YES CODECOV=YES MFEM_TEST_TARGET=test NPROCS=4 TMPDIR=/tmp

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v-dobrev 
Improved uniform refinement of tetrahedral meshes

In class Mesh/ParMesh:
  * Move the serial implementation of UniformRefinement3D to a new
    method: UniformRefinement3D_base. The implementations of the virtual
    method UniformRefinement3D (which now have no parameters) use the
    new UniformRefinement3D_base method.
  * In UniformRefinement3D_base, implemented two algorithms for choosing
    how to split the middle octahedron when refining a tetrahedron by
    cutting off its four corner tets. (These four tets have the same
    shape as the original tet and half the edge-length.) The choice of
    the algorithm is hard-coded in a const variable for now.
  * Add an optional parameter to UniformRefinement which is used to
    choose how to refine tet-only meshes: the default choice is to use
    the new algorithm defined by UniformRefinement3D; the second option
    is to use the old default - call LocalRefinement (marking all
    elements) to perform 3 levels of bisection. The new algorithm
    always produces elements with better shape (aspect ratio) than the
    old default (at least for the meshes in the data/ directory and a
    few other meshes).
  * Make the method Finalize virtual - its implementation in parallel
    requires updates in the ParMesh data.
  * Add a consistency check in ParMesh::ReorientTetMesh that verifies
    the assumption made in the method about the update of the shared
    triangles.
  * Simplify implementation of some methods in class ParMesh by
    separating common code in a new protected method: FinalizeParTopo.

Other updates:
  * In the examples and miniapps, when using a tet-only mesh which is
    first refined uniformly and then locally, it is now necessary to
    call the method Mesh::Finalize(true) (which is now virtual) in order
    to mark the elements for local refinement after the uniform
    refinement.
  * In example 12p, use better random seed values.
  * In examples 3/3p, add a sample run with order... (continued)

21141 of 45329 relevant lines covered (46.64%)

2516798.66 hits per line

Source Files on job 321.8 (DEBUG=NO MPI=YES CODECOV=YES MFEM_TEST_TARGET=test NPROCS=4 TMPDIR=/tmp)