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                     Schwarz Alternating Procedure (SAP)

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Files
-----

blk_solv.c          Solution of the Dirac equation on the blocks of the
                    SAP_BLOCKS grid.

sap.c               Multiplicative alternating Schwarz procedure for the
                    solution of the Wilson-Dirac equation.

sap_com.c           SAP communication program.

sap_gcr.c           SAP+GCR solver for the Wilson-Dirac equation.


Include file
------------

The file sap.h defines the prototypes for all externally accessible
functions that are defined in the *.c files listed above.
