petsc-3.7.1 2016-05-15
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# MatOption

Options that may be set for a matrix and its behavior or storage

### Synopsis

    typedef enum {MAT_OPTION_MIN = -3,
                  MAT_UNUSED_NONZERO_LOCATION_ERR = -2,
                  MAT_ROW_ORIENTED = -1,
                  MAT_SYMMETRIC = 1,
                  MAT_STRUCTURALLY_SYMMETRIC = 2,
                  MAT_NEW_DIAGONALS = 3,
                  MAT_IGNORE_OFF_PROC_ENTRIES = 4,
                  MAT_USE_HASH_TABLE = 5,
                  MAT_KEEP_NONZERO_PATTERN = 6,
                  MAT_IGNORE_ZERO_ENTRIES = 7,
                  MAT_USE_INODES = 8,
                  MAT_HERMITIAN = 9,
                  MAT_SYMMETRY_ETERNAL = 10,
                  MAT_NEW_NONZERO_LOCATION_ERR = 11,
                  MAT_IGNORE_LOWER_TRIANGULAR = 12,
                  MAT_ERROR_LOWER_TRIANGULAR = 13,
                  MAT_GETROW_UPPERTRIANGULAR = 14,
                  MAT_SPD = 15,
                  MAT_NO_OFF_PROC_ZERO_ROWS = 16,
                  MAT_NO_OFF_PROC_ENTRIES = 17,
                  MAT_NEW_NONZERO_LOCATIONS = 18,
                  MAT_NEW_NONZERO_ALLOCATION_ERR = 19,
                  MAT_SUBSET_OFF_PROC_ENTRIES = 20,
                  MAT_OPTION_MAX = 21} MatOption;

Many br

Any additions/changes here MUST also be made in include/petsc/finclude/petscmat.h Many br

Developer Notes: Entries that are negative need not be called collectively by all processes. Many br

### See Also

MatSetOption()

Level:beginner
Location:src/mat/../../include/petscmat.h
Index of all Mat routines
Table of Contents for all manual pages
Index of all manual pages