PETSC_ATTRIBUTE_MAY_ALIAS

Indicate to the compiler that a type is not subjected to type-based alias analysis, but is instead assumed to be able to alias any other type of objects

Example Usage

  typedef PetscScalar PetscScalarAlias PETSC_ATTRIBUTE_MAY_ALIAS;

  PetscReal        *pointer;
  PetscScalarAlias *other_pointer = reinterpret_cast<PetscScalarAlias *>(pointer);

See Also

PetscHasAttribute()

Level

advanced

Location

include/petscmacros.h

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