petsc-3.9.4 2018-09-11

PetscFileMode

Access mode for a file.

typedef enum {FILE_MODE_READ, FILE_MODE_WRITE, FILE_MODE_APPEND, FILE_MODE_UPDATE, FILE_MODE_APPEND_UPDATE} PetscFileMode;

 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

beginner