.. method:: widen(polyhedron)
Compute the *standard widening* of two polyhedra, à la Halbwachs.
.. method:: widen(polyhedron)
Compute the *standard widening* of two polyhedra, à la Halbwachs.
.. function:: Ne(expr1, expr2[, expr3, ...])
Create the domain such that ``expr1 != expr2 != expr3 ...``.
.. function:: Ne(expr1, expr2[, expr3, ...])
Create the domain such that ``expr1 != expr2 != expr3 ...``.
.. function:: Ge(expr1, expr2[, expr3, ...])
.. function:: Ge(expr1, expr2[, expr3, ...])
.. function:: And(domain1, domain2[, ...])
Create the intersection domain of the domains given in arguments.
.. function:: And(domain1, domain2[, ...])
Create the intersection domain of the domains given in arguments.