FUNCTION RefineGridMaster(NodeInfo Info, FuncParam Dummy)

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If executed by a master processor, this function splits Info's grid into several subgrids and generates a child node for each subgrid. If called by a worker processor, RefineGridMaster() does nothing.

INCLUDES:

None.

USES:

• nodeinfodef.f90 supplies the NodeInfo data structure and some functions that operate on it.
• treeops.f90 supplies the Node and Forest structures and accompanying methods, as well as the ApplyOn_ functions.
• mpi_exec.f90 supplies functions used to set up distributed processing (most of which tend to have MPI_ somewhere in the name).
• serial_exec.f90 supplies functions used for single-processor processing.
• beario.f90 provides some file IO functions.
• scheme module supplies time-stepping scheme.
• contrib/astro/problem.f90 Contains problem-specific variables and functions.