MatOption

Options that may be set for a matrix that indicate properties of the matrix or affect 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_FORCE_DIAGONAL_ENTRIES      = 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_SUBMAT_SINGLEIS             = 21,
  MAT_STRUCTURE_ONLY              = 22,
  MAT_SORTED_FULL                 = 23,
  MAT_FORM_EXPLICIT_TRANSPOSE     = 24,
  MAT_STRUCTURAL_SYMMETRY_ETERNAL = 25,
  MAT_SPD_ETERNAL                 = 26,
  MAT_OPTION_MAX                  = 27
} MatOption;

Note

See MatSetOption() for the use of the options

Developer Note

Entries that are negative need not be called collectively by all processes.

See Also

Matrices, Mat, MatSetOption()

Level

beginner

Location

include/petscmat.h

Examples

src/snes/tutorials/ex28.c
src/ksp/ksp/tutorials/ex62.c
src/ksp/ksp/tutorials/ex69.c
src/ksp/ksp/tutorials/ex4.c
src/ksp/ksp/tutorials/ex79.c
src/ts/tutorials/ex50.c
src/tao/unconstrained/tutorials/burgers_spectral.c
src/tao/unconstrained/tutorials/spectraladjointassimilation.c
src/mat/tutorials/ex4.c

Examples

src/ksp/ksp/tutorials/ex62.c
src/ts/tutorials/ex5.c
src/ts/tutorials/ex6.c
src/ksp/ksp/tutorials/ex6.c
src/ksp/ksp/tutorials/ex67.c
src/ts/tutorials/ex21.c
src/ts/tutorials/ex14.c
src/ts/tutorials/ex4.c
src/ts/tutorials/ex2.c
src/ts/tutorials/ex3.c

Examples

src/tao/complementarity/tutorials/blackscholes.c
src/tao/unconstrained/tutorials/minsurf2.c
src/tao/bound/tutorials/plate2.c
src/tao/complementarity/tutorials/minsurf1.c
src/tao/unconstrained/tutorials/minsurf1.c

Examples

src/snes/tutorials/ex48.c

Examples

src/ksp/ksp/tutorials/ex84.c

Examples

src/ksp/ksp/tutorials/ex9.c

Examples

src/ksp/ksp/tutorials/ex72.c
src/ksp/ksp/tutorials/ex59.c

Examples

src/ksp/ksp/tutorials/ex4.c
src/ts/tutorials/extchem.c
src/ts/tutorials/extchemfield.c
src/mat/tutorials/ex12.c
src/ksp/ksp/tutorials/ex59.c
src/snes/tutorials/ex70.c

Examples

src/ksp/ksp/tutorials/ex21.c
src/tao/pde_constrained/tutorials/parabolic.c
src/ksp/ksp/tutorials/ex5.c
src/tao/pde_constrained/tutorials/elliptic.c
src/ksp/ksp/tutorials/ex67.c
src/snes/tutorials/ex56.c

Examples

src/ts/tutorials/extchem.c
src/ts/tutorials/extchemfield.c
src/ksp/ksp/tutorials/ex74.c

Examples

src/ksp/ksp/tutorials/bench_kspsolve.c
src/ksp/ksp/tutorials/ex55.c
src/ksp/ksp/tutorials/ex71.c
src/ksp/ksp/tutorials/ex59.c
src/ksp/ksp/tutorials/ex56.c
src/ksp/ksp/tutorials/ex54.c
src/snes/tutorials/ex56.c

Examples

src/ksp/pc/tutorials/ex3.c
src/ksp/ksp/tutorials/ex82.c
src/ksp/ksp/tutorials/ex7.c
src/ts/tutorials/ex20opt_ic.c
src/ksp/ksp/tutorials/ex52.c
src/ksp/ksp/tutorials/ex5.c
src/ksp/ksp/tutorials/ex67.c
src/ksp/ksp/tutorials/ex2.c
src/ksp/ksp/tutorials/ex18.c
src/ksp/ksp/tutorials/ex77.c

Examples

src/ksp/ksp/tutorials/ex55.c
src/ksp/ksp/tutorials/ex71.c
src/ksp/ksp/tutorials/ex52.c
src/ksp/ksp/tutorials/ex59.c
src/ksp/ksp/tutorials/bench_kspsolve.c
src/ksp/ksp/tutorials/ex54.c
src/snes/tutorials/ex56.c
src/ksp/ksp/tutorials/ex56.c

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