PetscBool3

Ternary logical variable. Actually an enum in C and a 4 byte integer in Fortran.

Synopsis

typedef enum {
  PETSC_BOOL3_FALSE,
  PETSC_BOOL3_TRUE,
  PETSC_BOOL3_UNKNOWN = -1
} PetscBool3;

Note

Should not be used with the if (flg) or if (!flg) syntax.

See Also

PETSC_TRUE, PETSC_FALSE, PetscNot(), PETSC_BOOL3_TRUE, PETSC_BOOL3_FALSE, PETSC_BOOL3_UNKNOWN

Level

beginner

Location

include/petscsystypes.h

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