petsc-3.7.1 2016-05-15
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# PCASMType

Type of additive Schwarz method to use

### Synopsis

    typedef enum {PC_ASM_BASIC = 3,PC_ASM_RESTRICT = 1,PC_ASM_INTERPOLATE = 2,PC_ASM_NONE = 0} PCASMType;

     PC_ASM_BASIC        - Symmetric version where residuals from the ghost points are used

                           and computed values in ghost regions are added together.

                           Classical standard additive Schwarz.

     PC_ASM_RESTRICT     - Residuals from ghost points are used but computed values in ghost

                           region are discarded.

                           Default.

     PC_ASM_INTERPOLATE  - Residuals from ghost points are not used, computed values in ghost

                           region are added back in.

     PC_ASM_NONE         - Residuals from ghost points are not used, computed ghost values are

                           discarded.

                           Not very good.

Many br

### See Also

PCASMSetType()

Level:beginner
Location:src/ksp/pc/../../../include/petscpctypes.h
Index of all PC routines
Table of Contents for all manual pages
Index of all manual pages