Python distinct_unordered_pairs示例

示例#1

文件： ivy_solver.py 项目： ZZHGit/ivy

def model_universe_facts(h,sort,upclose):
    # get universe elements
    elems = h.sort_universe(sort)
    # constraint defining universe
    uc = []
    if not upclose:
        uc = [[ivy_logic._eq_lit(ivy_logic.Variable('X',c.sort),c) for c in elems]]
    # universe elements are distinct
    dc = [[ivy_logic._neq_lit(c1,c2)]
          for (c1,c2) in ivy_utils.distinct_unordered_pairs(elems)]
    return uc+dc

示例#2

文件： ivy_solver.py 项目： kleopatra999/ivy

def model_universe_facts(h,sort,upclose):
    if ivy_logic.is_interpreted_sort(sort):
        return []
    # get universe elements
    elems = h.sort_universe(sort)
    # constraint defining universe
    uc = []
    if not upclose:
        uc = [[ivy_logic._eq_lit(ivy_logic.Variable('X',c.sort),c) for c in elems]]
    # universe elements are distinct
    dc = [[ivy_logic._neq_lit(c1,c2)]
          for (c1,c2) in iu.distinct_unordered_pairs(elems)]
    return uc+dc