PetscOptionSource#

Records where a value in the PETSc options database came from, passed to options-database monitors

Synopsis#

typedef enum {
  PETSC_OPT_CODE,
  PETSC_OPT_COMMAND_LINE,
  PETSC_OPT_FILE,
  PETSC_OPT_ENVIRONMENT,
  NUM_PETSC_OPT_SOURCE
} PetscOptionSource;

PETSC_OPT_CODE - the option was set by a call from inside source code, for example PetscOptionsSetValue()
PETSC_OPT_COMMAND_LINE - the option came from the command-line arguments of the program
PETSC_OPT_FILE - the option came from an options file processed by PetscOptionsInsertFile() (or its YAML counterpart)
PETSC_OPT_ENVIRONMENT - the option came from the PETSC_OPTIONS (or related) environment variable
NUM_PETSC_OPT_SOURCE - sentinel; equals the number of valid option sources

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