PetscFileMode

Access mode for a file.

Synopsis

typedef enum {
  FILE_MODE_UNDEFINED = -1,
  FILE_MODE_READ      = 0,
  FILE_MODE_WRITE,
  FILE_MODE_APPEND,
  FILE_MODE_UPDATE,
  FILE_MODE_APPEND_UPDATE
} PetscFileMode;

Values

• FILE_MODE_UNDEFINED - initial invalid value

• FILE_MODE_READ - open a file at its beginning for reading

• FILE_MODE_WRITE - open a file at its beginning for writing (will create if the file does not exist)

• FILE_MODE_APPEND - open a file at end for writing

• FILE_MODE_UPDATE - open a file for updating, meaning for reading and writing

• FILE_MODE_APPEND_UPDATE - open a file for updating, meaning for reading and writing, at the end

See Also

PetscViewerFileSetMode()

Level

beginner

Location

include/petscsystypes.h

Examples

src/sys/classes/viewer/tutorials/ex1.c

Examples

src/dm/tutorials/ex15.c
src/dm/tutorials/ex10.c
src/mat/tutorials/ex16.c
src/dm/tutorials/ex9.c
src/dm/tutorials/ex21.c
src/dm/tutorials/ex7.c
src/dm/tutorials/ex20.c
src/tao/leastsquares/tutorials/tomography.c
src/dm/tutorials/ex1.c
src/tao/constrained/tutorials/tomographyADMM.c

Examples

src/mat/tutorials/ex12.c
src/tao/tutorials/ex3.c
src/mat/tutorials/ex16.c
src/mat/tutorials/ex10.c
src/mat/tutorials/ex1.c
src/tao/constrained/tutorials/maros.c
src/tao/leastsquares/tutorials/tomography.c

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