Example #1
0
 def test_pprint(self):
     import pyomo.kernel
     # Not really testing what the output is, just that
     # an error does not occur. The pprint functionality
     # is still in the early stages.
     v = variable()
     e = noclone(v**2)
     pyomo.kernel.pprint(e)
     pyomo.kernel.pprint(e, indent=1)
     b = block()
     b.e = expression(expr=e)
     pyomo.kernel.pprint(e)
     pyomo.kernel.pprint(b)
     m = block()
     m.b = b
     pyomo.kernel.pprint(e)
     pyomo.kernel.pprint(b)
     pyomo.kernel.pprint(m)
     # tests compatibility with _ToStringVisitor
     pyomo.kernel.pprint(noclone(v) + 1)
     pyomo.kernel.pprint(noclone(v + 1))
     x = variable()
     y = variable()
     pyomo.kernel.pprint(y + x * noclone(noclone(x * y)))
     pyomo.kernel.pprint(y + noclone(noclone(x * y)) * x)
Example #2
0
 def test_import_suffix_generator(self):
     m = block()
     m.s0 = suffix(direction=suffix.LOCAL)
     m.s0i = suffix(direction=suffix.LOCAL,
                   datatype=suffix.INT)
     m.s1 = suffix(direction=suffix.IMPORT_EXPORT)
     m.s1i = suffix(direction=suffix.IMPORT_EXPORT,
                    datatype=suffix.INT)
     m.s2 = suffix(direction=suffix.IMPORT)
     m.s2i = suffix(direction=suffix.IMPORT,
                   datatype=suffix.INT)
     m.s3 = suffix(direction=suffix.EXPORT)
     m.s3i = suffix(direction=suffix.EXPORT,
                    datatype=suffix.INT)
     m.b = block()
     m.b.s0 = suffix(direction=suffix.LOCAL)
     m.b.s0i = suffix(direction=suffix.LOCAL,
                      datatype=suffix.INT)
     m.b.s1 = suffix(direction=suffix.IMPORT_EXPORT)
     m.b.s1i = suffix(direction=suffix.IMPORT_EXPORT,
                      datatype=suffix.INT)
     m.b.s2 = suffix(direction=suffix.IMPORT)
     m.b.s2i = suffix(direction=suffix.IMPORT,
                      datatype=suffix.INT)
     m.b.s3 = suffix(direction=suffix.EXPORT)
     m.b.s3i = suffix(direction=suffix.EXPORT,
                      datatype=suffix.INT)
     # default
     self.assertEqual([id(c_) for c_
                       in import_suffix_generator(m)],
                      [id(m.s1), id(m.s1i),
                       id(m.s2), id(m.s2i),
                       id(m.b.s1), id(m.b.s1i),
                       id(m.b.s2), id(m.b.s2i)])
     # descend_into=False
     self.assertEqual([id(c_) for c_
                       in import_suffix_generator(m,
                                                  descend_into=False)],
                      [id(m.s1), id(m.s1i),
                       id(m.s2), id(m.s2i)])
     # datatype=INT
     self.assertEqual([id(c_) for c_
                       in import_suffix_generator(m,
                                                  datatype=suffix.INT)],
                      [id(m.s1i),
                       id(m.s2i),
                       id(m.b.s1i),
                       id(m.b.s2i)])
     # active=True
     m.s1.deactivate()
     m.b.deactivate()
     self.assertEqual([id(c_) for c_
                       in import_suffix_generator(m,
                                                  active=True)],
                      [id(m.s1i), id(m.s2), id(m.s2i)])
Example #3
0
 def test_import_suffix_generator(self):
     m = block()
     m.s0 = suffix(direction=suffix.LOCAL)
     m.s0i = suffix(direction=suffix.LOCAL,
                   datatype=suffix.INT)
     m.s1 = suffix(direction=suffix.IMPORT_EXPORT)
     m.s1i = suffix(direction=suffix.IMPORT_EXPORT,
                    datatype=suffix.INT)
     m.s2 = suffix(direction=suffix.IMPORT)
     m.s2i = suffix(direction=suffix.IMPORT,
                   datatype=suffix.INT)
     m.s3 = suffix(direction=suffix.EXPORT)
     m.s3i = suffix(direction=suffix.EXPORT,
                    datatype=suffix.INT)
     m.b = block()
     m.b.s0 = suffix(direction=suffix.LOCAL)
     m.b.s0i = suffix(direction=suffix.LOCAL,
                      datatype=suffix.INT)
     m.b.s1 = suffix(direction=suffix.IMPORT_EXPORT)
     m.b.s1i = suffix(direction=suffix.IMPORT_EXPORT,
                      datatype=suffix.INT)
     m.b.s2 = suffix(direction=suffix.IMPORT)
     m.b.s2i = suffix(direction=suffix.IMPORT,
                      datatype=suffix.INT)
     m.b.s3 = suffix(direction=suffix.EXPORT)
     m.b.s3i = suffix(direction=suffix.EXPORT,
                      datatype=suffix.INT)
     # default
     self.assertEqual([id(c_) for c_
                       in import_suffix_generator(m)],
                      [id(m.s1), id(m.s1i),
                       id(m.s2), id(m.s2i),
                       id(m.b.s1), id(m.b.s1i),
                       id(m.b.s2), id(m.b.s2i)])
     # descend_into=False
     self.assertEqual([id(c_) for c_
                       in import_suffix_generator(m,
                                                  descend_into=False)],
                      [id(m.s1), id(m.s1i),
                       id(m.s2), id(m.s2i)])
     # datatype=INT
     self.assertEqual([id(c_) for c_
                       in import_suffix_generator(m,
                                                  datatype=suffix.INT)],
                      [id(m.s1i),
                       id(m.s2i),
                       id(m.b.s1i),
                       id(m.b.s2i)])
     # active=True
     m.s1.deactivate()
     m.b.deactivate()
     self.assertEqual([id(c_) for c_
                       in import_suffix_generator(m,
                                                  active=True)],
                      [id(m.s1i), id(m.s2), id(m.s2i)])
Example #4
0
    def test_preorder_visit(self):
        # test that we can use the advanced preorder_visit
        # function on a block to efficiently check for these
        # constraint containers (without iterating over
        # their children)
        A = numpy.ones((3,3))

        m = block()
        m.c = matrix_constraint(A)
        m.v = variable()
        m.V = variable_list()
        m.V.append(variable())
        m.B = block_list()
        m.B.append(block())
        m.B[0].c = matrix_constraint(A)
        m.B[0].v = variable()
        m.B[0].V = variable_list()
        m.B[0].V.append(variable())
        m.b = block()
        m.b.c = constraint_dict()
        m.b.c[None] = matrix_constraint(A)
        m.b.c[1] = matrix_constraint(A)
        m.b.c[2] = constraint()
        m.b.c[3] = constraint_list()

        # don't visit things below a matrix constraint
        # (e.g., cases where we want to handle it in bulk)
        def no_mc_descend(x):
            if isinstance(x, matrix_constraint):
                return False
            return True
        cnt = 0
        for obj in m.preorder_traversal(ctype=IConstraint,
                                        descend=no_mc_descend):
            self.assertTrue(type(obj.parent) is not matrix_constraint)
            self.assertTrue((obj.ctype is block._ctype) or \
                            (obj.ctype is constraint._ctype))
            cnt += 1
        self.assertEqual(cnt, 11)

        cnt = 0
        mc_child_cnt = 0
        for obj in m.preorder_traversal(ctype=IConstraint):
            self.assertTrue((obj.ctype is block._ctype) or \
                            (obj.ctype is constraint._ctype))
            if type(obj.parent) is matrix_constraint:
                mc_child_cnt += 1
            cnt += 1
        self.assertEqual(cnt, 23)
        self.assertEqual(mc_child_cnt, 12)

        self.assertEqual(
            len(list(m.components(ctype=IConstraint))),
            13)
Example #5
0
    def test_preorder_traversal(self):
        A = numpy.ones((3,3))

        m = block()
        m.c = matrix_constraint(A)
        m.v = variable()
        m.V = variable_list()
        m.V.append(variable())
        m.B = block_list()
        m.B.append(block())
        m.B[0].c = matrix_constraint(A)
        m.B[0].v = variable()
        m.B[0].V = variable_list()
        m.B[0].V.append(variable())
        m.b = block()
        m.b.c = constraint_dict()
        m.b.c[None] = matrix_constraint(A)
        m.b.c[1] = matrix_constraint(A)
        m.b.c[2] = constraint()
        m.b.c[3] = constraint_list()

        # don't visit things below a matrix constraint
        # (e.g., cases where we want to handle it in bulk)
        def no_mc_descend(x):
            if isinstance(x, matrix_constraint):
                return False
            return True
        cnt = 0
        for obj in pmo.preorder_traversal(m,
                                          ctype=IConstraint,
                                          descend=no_mc_descend):
            self.assertTrue(type(obj.parent) is not matrix_constraint)
            self.assertTrue((obj.ctype is block._ctype) or \
                            (obj.ctype is constraint._ctype))
            cnt += 1
        self.assertEqual(cnt, 11)

        cnt = 0
        mc_child_cnt = 0
        for obj in pmo.preorder_traversal(m, ctype=IConstraint):
            self.assertTrue((obj.ctype is block._ctype) or \
                            (obj.ctype is constraint._ctype))
            if type(obj.parent) is matrix_constraint:
                mc_child_cnt += 1
            cnt += 1
        self.assertEqual(cnt, 23)
        self.assertEqual(mc_child_cnt, 12)

        self.assertEqual(
            len(list(m.components(ctype=IConstraint))),
            13)
Example #6
0
    def test_preorder_traversal(self):
        A = numpy.ones((3,3))

        m = block()
        m.c = matrix_constraint(A)
        m.v = variable()
        m.V = variable_list()
        m.V.append(variable())
        m.B = block_list()
        m.B.append(block())
        m.B[0].c = matrix_constraint(A)
        m.B[0].v = variable()
        m.B[0].V = variable_list()
        m.B[0].V.append(variable())
        m.b = block()
        m.b.c = constraint_dict()
        m.b.c[None] = matrix_constraint(A)
        m.b.c[1] = matrix_constraint(A)
        m.b.c[2] = constraint()
        m.b.c[3] = constraint_list()

        # don't visit things below a matrix constraint
        # (e.g., cases where we want to handle it in bulk)
        def no_mc_descend(x):
            if isinstance(x, matrix_constraint):
                return False
            return True
        cnt = 0
        for obj in pmo.preorder_traversal(m,
                                          ctype=IConstraint,
                                          descend=no_mc_descend):
            self.assertTrue(type(obj.parent) is not matrix_constraint)
            self.assertTrue((obj.ctype is block._ctype) or \
                            (obj.ctype is constraint._ctype))
            cnt += 1
        self.assertEqual(cnt, 11)

        cnt = 0
        mc_child_cnt = 0
        for obj in pmo.preorder_traversal(m, ctype=IConstraint):
            self.assertTrue((obj.ctype is block._ctype) or \
                            (obj.ctype is constraint._ctype))
            if type(obj.parent) is matrix_constraint:
                mc_child_cnt += 1
            cnt += 1
        self.assertEqual(cnt, 23)
        self.assertEqual(mc_child_cnt, 12)

        self.assertEqual(
            len(list(m.components(ctype=IConstraint))),
            13)
Example #7
0
 def test_pprint(self):
     # Not really testing what the output is, just that
     # an error does not occur. The pprint functionality
     # is still in the early stages.
     c = self._object_factory()
     pprint(c)
     b = block()
     b.c = c
     pprint(c)
     pprint(b)
     m = block()
     m.b = b
     pprint(c)
     pprint(b)
     pprint(m)
Example #8
0
 def test_pprint(self):
     # Not really testing what the output is, just that
     # an error does not occur. The pprint functionality
     # is still in the early stages.
     f = functional_value()
     pprint(f)
     b = block()
     b.f = f
     pprint(f)
     pprint(b)
     m = block()
     m.b = b
     pprint(f)
     pprint(b)
     pprint(m)
Example #9
0
 def test_pprint(self):
     # Not really testing what the output is, just that
     # an error does not occur. The pprint functionality
     # is still in the early stages.
     p = parameter()
     pprint(p)
     b = block()
     b.p = p
     pprint(p)
     pprint(b)
     m = block()
     m.b = b
     pprint(p)
     pprint(b)
     pprint(m)
Example #10
0
 def test_pickle(self):
     s = suffix(direction=suffix.EXPORT,
                datatype=suffix.FLOAT)
     self.assertEqual(s.direction, suffix.EXPORT)
     self.assertEqual(s.datatype, suffix.FLOAT)
     self.assertEqual(s.parent, None)
     sup = pickle.loads(
         pickle.dumps(s))
     self.assertEqual(sup.direction, suffix.EXPORT)
     self.assertEqual(sup.datatype, suffix.FLOAT)
     self.assertEqual(sup.parent, None)
     b = block()
     b.s = s
     self.assertIs(s.parent, b)
     bup = pickle.loads(
         pickle.dumps(b))
     sup = bup.s
     self.assertEqual(sup.direction, suffix.EXPORT)
     self.assertEqual(sup.datatype, suffix.FLOAT)
     self.assertIs(sup.parent, bup)
     b.v = variable(lb=1)
     b.s[b.v] = 1.0
     bup = pickle.loads(
         pickle.dumps(b))
     sup = bup.s
     vup = bup.v
     self.assertEqual(sup[vup], 1.0)
Example #11
0
    def test_pickle(self):
        v = variable()
        s = sos([v],weights=[1])
        self.assertEqual(len(s), 1)
        self.assertIs(s.variables[0], v)
        self.assertTrue(v in s)
        self.assertEqual(s.weights[0], 1)
        self.assertEqual(s.level, 1)
        self.assertEqual(s.parent, None)
        sup = pickle.loads(
            pickle.dumps(s))
        self.assertEqual(len(sup), 1)
        self.assertIsNot(sup.variables[0], v)
        self.assertFalse(v in sup)
        self.assertEqual(sup.weights[0], 1)
        self.assertEqual(sup.level, 1)
        self.assertEqual(sup.parent, None)

        b = block()
        b.v = v
        self.assertIs(v.parent, b)
        b.s = s
        self.assertIs(s.parent, b)
        bup = pickle.loads(
            pickle.dumps(b))
        sup = bup.s
        self.assertEqual(len(sup), 1)
        self.assertIs(sup.variables[0], bup.v)
        self.assertTrue(bup.v in sup)
        self.assertEqual(sup.weights[0], 1)
        self.assertEqual(sup.level, 1)
        self.assertIs(sup.parent, bup)
Example #12
0
 def test_pickle(self):
     vlist = _create_variable_list(3)
     ctuple = matrix_constraint(
         numpy.array([[0,0,0],[0,0,0]]),
         x=vlist)
     self.assertTrue((ctuple.lb == -numpy.inf).all())
     self.assertTrue((ctuple.ub == numpy.inf).all())
     self.assertTrue((ctuple.equality == False).all())
     self.assertEqual(ctuple.parent, None)
     ctuple_up = pickle.loads(
         pickle.dumps(ctuple))
     self.assertTrue((ctuple_up.lb == -numpy.inf).all())
     self.assertTrue((ctuple_up.ub == numpy.inf).all())
     self.assertTrue((ctuple_up.equality == False).all())
     self.assertEqual(ctuple_up.parent, None)
     b = block()
     b.ctuple = ctuple
     self.assertIs(ctuple.parent, b)
     bup = pickle.loads(
         pickle.dumps(b))
     ctuple_up = bup.ctuple
     self.assertTrue((ctuple_up.lb == -numpy.inf).all())
     self.assertTrue((ctuple_up.ub == numpy.inf).all())
     self.assertTrue((ctuple_up.equality == False).all())
     self.assertIs(ctuple_up.parent, bup)
Example #13
0
    def test_pickle(self):
        v = variable()
        e = noclone(v)
        self.assertEqual(type(e), noclone)
        self.assertIs(type(e.expr), variable)
        eup = pickle.loads(pickle.dumps(e))
        self.assertEqual(type(eup), noclone)
        self.assertTrue(e is not eup)
        self.assertIs(type(eup.expr), variable)
        self.assertIs(type(e.expr), variable)
        self.assertTrue(eup.expr is not e.expr)

        del e
        del v

        v = variable(value=1)
        b = block()
        b.v = v
        eraw = b.v + 1
        b.e = 1 + noclone(eraw)
        bup = pickle.loads(pickle.dumps(b))
        self.assertTrue(isinstance(bup.e, NumericValue))
        self.assertEqual(value(bup.e), 3.0)
        b.v.value = 2
        self.assertEqual(value(b.e), 4.0)
        self.assertEqual(value(bup.e), 3.0)
        bup.v.value = -1
        self.assertEqual(value(b.e), 4.0)
        self.assertEqual(value(bup.e), 1.0)

        self.assertIs(b.v.parent, b)
        self.assertIs(bup.v.parent, bup)

        del b.v
Example #14
0
    def test_pickle(self):
        v = variable()
        s = sos([v], weights=[1])
        self.assertEqual(len(s), 1)
        self.assertIs(s.variables[0], v)
        self.assertTrue(v in s)
        self.assertEqual(s.weights[0], 1)
        self.assertEqual(s.level, 1)
        self.assertEqual(s.parent, None)
        sup = pickle.loads(pickle.dumps(s))
        self.assertEqual(len(sup), 1)
        self.assertIsNot(sup.variables[0], v)
        self.assertFalse(v in sup)
        self.assertEqual(sup.weights[0], 1)
        self.assertEqual(sup.level, 1)
        self.assertEqual(sup.parent, None)

        b = block()
        b.v = v
        self.assertIs(v.parent, b)
        b.s = s
        self.assertIs(s.parent, b)
        bup = pickle.loads(pickle.dumps(b))
        sup = bup.s
        self.assertEqual(len(sup), 1)
        self.assertIs(sup.variables[0], bup.v)
        self.assertTrue(bup.v in sup)
        self.assertEqual(sup.weights[0], 1)
        self.assertEqual(sup.level, 1)
        self.assertIs(sup.parent, bup)
Example #15
0
 def test_pprint(self):
     # Not really testing what the output is, just that
     # an error does not occur. The pprint functionality
     # is still in the early stages.
     v = variable()
     o = objective(expr=v**2)
     pprint(o)
     b = block()
     b.o = o
     pprint(o)
     pprint(b)
     m = block()
     m.b = b
     pprint(o)
     pprint(b)
     pprint(m)
Example #16
0
 def test_pprint(self):
     import pyomo.kernel
     # Not really testing what the output is, just that
     # an error does not occur. The pprint functionality
     # is still in the early stages.
     v = variable()
     pyomo.kernel.pprint(v)
     b = block()
     b.v = v
     pyomo.kernel.pprint(v)
     pyomo.kernel.pprint(b)
     m = block()
     m.b = b
     pyomo.kernel.pprint(v)
     pyomo.kernel.pprint(b)
     pyomo.kernel.pprint(m)
Example #17
0
 def test_pickle(self):
     v = variable(lb=1, ub=2, domain_type=IntegerSet, fixed=True)
     self.assertEqual(v.lb, 1)
     self.assertEqual(type(v.lb), int)
     self.assertEqual(v.ub, 2)
     self.assertEqual(type(v.ub), int)
     self.assertEqual(v.domain_type, IntegerSet)
     self.assertEqual(v.fixed, True)
     self.assertEqual(v.parent, None)
     vup = pickle.loads(pickle.dumps(v))
     self.assertEqual(vup.lb, 1)
     self.assertEqual(type(vup.lb), int)
     self.assertEqual(vup.ub, 2)
     self.assertEqual(type(vup.ub), int)
     self.assertEqual(vup.domain_type, IntegerSet)
     self.assertEqual(vup.fixed, True)
     self.assertEqual(vup.parent, None)
     b = block()
     b.v = v
     self.assertIs(v.parent, b)
     bup = pickle.loads(pickle.dumps(b))
     vup = bup.v
     self.assertEqual(vup.lb, 1)
     self.assertEqual(vup.ub, 2)
     self.assertEqual(vup.domain_type, IntegerSet)
     self.assertEqual(vup.fixed, True)
     self.assertIs(vup.parent, bup)
Example #18
0
    def test_init(self):
        v = variable()
        self.assertTrue(v.parent is None)
        self.assertEqual(v.ctype, IVariable)
        self.assertEqual(v.domain_type, RealSet)
        self.assertEqual(v.lb, None)
        self.assertEqual(v.ub, None)
        self.assertEqual(v.fixed, False)
        self.assertEqual(v.value, None)
        self.assertEqual(v.stale, True)
        b = block()
        b.v = v
        self.assertTrue(v.parent is b)
        del b.v
        self.assertTrue(v.parent is None)

        v = variable(domain_type=IntegerSet,
                     value=1,
                     lb=0,
                     ub=2,
                     fixed=True)
        self.assertTrue(v.parent is None)
        self.assertEqual(v.ctype, IVariable)
        self.assertEqual(v.domain_type, IntegerSet)
        self.assertEqual(v.lb, 0)
        self.assertEqual(v.ub, 2)
        self.assertEqual(v.fixed, True)
        self.assertEqual(v.value, 1)
        self.assertEqual(v.stale, True)
Example #19
0
 def test_pickle(self):
     v = variable(lb=1,
                  ub=2,
                  domain_type=IntegerSet,
                  fixed=True)
     self.assertEqual(v.lb, 1)
     self.assertEqual(type(v.lb), int)
     self.assertEqual(v.ub, 2)
     self.assertEqual(type(v.ub), int)
     self.assertEqual(v.domain_type, IntegerSet)
     self.assertEqual(v.fixed, True)
     self.assertEqual(v.parent, None)
     vup = pickle.loads(
         pickle.dumps(v))
     self.assertEqual(vup.lb, 1)
     self.assertEqual(type(vup.lb), int)
     self.assertEqual(vup.ub, 2)
     self.assertEqual(type(vup.ub), int)
     self.assertEqual(vup.domain_type, IntegerSet)
     self.assertEqual(vup.fixed, True)
     self.assertEqual(vup.parent, None)
     b = block()
     b.v = v
     self.assertIs(v.parent, b)
     bup = pickle.loads(
         pickle.dumps(b))
     vup = bup.v
     self.assertEqual(vup.lb, 1)
     self.assertEqual(vup.ub, 2)
     self.assertEqual(vup.domain_type, IntegerSet)
     self.assertEqual(vup.fixed, True)
     self.assertIs(vup.parent, bup)
Example #20
0
    def test_active(self):
        o = objective()
        self.assertEqual(o.active, True)
        o.deactivate()
        self.assertEqual(o.active, False)
        o.activate()
        self.assertEqual(o.active, True)

        b = block()
        self.assertEqual(b.active, True)
        b.deactivate()
        self.assertEqual(b.active, False)
        b.o = o
        self.assertEqual(o.active, True)
        self.assertEqual(b.active, False)
        o.deactivate()
        self.assertEqual(o.active, False)
        self.assertEqual(b.active, False)
        b.activate()
        self.assertEqual(o.active, False)
        self.assertEqual(b.active, True)
        b.activate(shallow=False)
        self.assertEqual(o.active, True)
        self.assertEqual(b.active, True)
        b.deactivate(shallow=False)
        self.assertEqual(o.active, False)
        self.assertEqual(b.active, False)
Example #21
0
 def test_pickle(self):
     s = suffix(direction=suffix.EXPORT,
                datatype=suffix.FLOAT)
     self.assertEqual(s.direction, suffix.EXPORT)
     self.assertEqual(s.datatype, suffix.FLOAT)
     self.assertEqual(s.parent, None)
     sup = pickle.loads(
         pickle.dumps(s))
     self.assertEqual(sup.direction, suffix.EXPORT)
     self.assertEqual(sup.datatype, suffix.FLOAT)
     self.assertEqual(sup.parent, None)
     b = block()
     b.s = s
     self.assertIs(s.parent, b)
     bup = pickle.loads(
         pickle.dumps(b))
     sup = bup.s
     self.assertEqual(sup.direction, suffix.EXPORT)
     self.assertEqual(sup.datatype, suffix.FLOAT)
     self.assertIs(sup.parent, bup)
     b.v = variable(lb=1)
     b.s[b.v] = 1.0
     bup = pickle.loads(
         pickle.dumps(b))
     sup = bup.s
     vup = bup.v
     self.assertEqual(sup[vup], 1.0)
Example #22
0
    def test_init(self):
        v = variable()
        self.assertTrue(v.parent is None)
        self.assertEqual(v.ctype, IVariable)
        self.assertEqual(v.domain_type, RealSet)
        self.assertEqual(v.lb, None)
        self.assertEqual(v.ub, None)
        self.assertEqual(v.fixed, False)
        self.assertEqual(v.value, None)
        self.assertEqual(v.stale, True)
        b = block()
        b.v = v
        self.assertTrue(v.parent is b)
        del b.v
        self.assertTrue(v.parent is None)

        v = variable(domain_type=IntegerSet, value=1, lb=0, ub=2, fixed=True)
        self.assertTrue(v.parent is None)
        self.assertEqual(v.ctype, IVariable)
        self.assertEqual(v.domain_type, IntegerSet)
        self.assertEqual(v.lb, 0)
        self.assertEqual(v.ub, 2)
        self.assertEqual(v.fixed, True)
        self.assertEqual(v.value, 1)
        self.assertEqual(v.stale, True)
Example #23
0
 def test_pprint(self):
     import pyomo.kernel
     # Not really testing what the output is, just that
     # an error does not occur. The pprint functionality
     # is still in the early stages.
     v = variable()
     pyomo.kernel.pprint(v)
     b = block()
     b.v = v
     pyomo.kernel.pprint(v)
     pyomo.kernel.pprint(b)
     m = block()
     m.b = b
     pyomo.kernel.pprint(v)
     pyomo.kernel.pprint(b)
     pyomo.kernel.pprint(m)
Example #24
0
 def test_pickle(self):
     vlist = _create_variable_list(3)
     ctuple = matrix_constraint(
         numpy.array([[0,0,0],[0,0,0]]),
         x=vlist)
     self.assertTrue((ctuple.lb == -numpy.inf).all())
     self.assertTrue((ctuple.ub == numpy.inf).all())
     self.assertTrue((ctuple.equality == False).all())
     self.assertEqual(ctuple.parent, None)
     ctuple_up = pickle.loads(
         pickle.dumps(ctuple))
     self.assertTrue((ctuple_up.lb == -numpy.inf).all())
     self.assertTrue((ctuple_up.ub == numpy.inf).all())
     self.assertTrue((ctuple_up.equality == False).all())
     self.assertEqual(ctuple_up.parent, None)
     b = block()
     b.ctuple = ctuple
     self.assertIs(ctuple.parent, b)
     bup = pickle.loads(
         pickle.dumps(b))
     ctuple_up = bup.ctuple
     self.assertTrue((ctuple_up.lb == -numpy.inf).all())
     self.assertTrue((ctuple_up.ub == numpy.inf).all())
     self.assertTrue((ctuple_up.equality == False).all())
     self.assertIs(ctuple_up.parent, bup)
Example #25
0
 def test_pickle(self):
     for key in transforms.registered_transforms:
         v = variable(lb=1, ub=3)
         p = transforms.piecewise([1, 2, 3], [1, 2, 1],
                                  input=v,
                                  validate=False,
                                  repn=key)
         self.assertEqual(p.parent, None)
         self.assertEqual(p.input.expr.parent, None)
         self.assertIs(p.input.expr, v)
         pup = pickle.loads(pickle.dumps(p))
         self.assertEqual(pup.parent, None)
         self.assertEqual(pup.input.expr.parent, None)
         self.assertIsNot(pup.input.expr, v)
         b = block()
         b.v = v
         b.p = p
         self.assertIs(p.parent, b)
         self.assertEqual(p.input.expr.parent, b)
         bup = pickle.loads(pickle.dumps(b))
         pup = bup.p
         self.assertIs(pup.parent, bup)
         self.assertEqual(pup.input.expr.parent, bup)
         self.assertIs(pup.input.expr, bup.v)
         self.assertIsNot(pup.input.expr, b.v)
Example #26
0
    def test_active(self):
        s = sos([])
        self.assertEqual(s.active, True)
        s.deactivate()
        self.assertEqual(s.active, False)
        s.activate()
        self.assertEqual(s.active, True)

        b = block()
        self.assertEqual(b.active, True)
        b.deactivate()
        self.assertEqual(b.active, False)
        b.s = s
        self.assertEqual(s.active, True)
        self.assertEqual(b.active, False)
        s.deactivate()
        self.assertEqual(s.active, False)
        self.assertEqual(b.active, False)
        b.activate()
        self.assertEqual(s.active, False)
        self.assertEqual(b.active, True)
        b.activate(shallow=False)
        self.assertEqual(s.active, True)
        self.assertEqual(b.active, True)
        b.deactivate(shallow=False)
        self.assertEqual(s.active, False)
        self.assertEqual(b.active, False)
Example #27
0
    def test_active(self):
        s = sos([])
        self.assertEqual(s.active, True)
        s.deactivate()
        self.assertEqual(s.active, False)
        s.activate()
        self.assertEqual(s.active, True)

        b = block()
        self.assertEqual(b.active, True)
        b.deactivate()
        self.assertEqual(b.active, False)
        b.s = s
        self.assertEqual(s.active, True)
        self.assertEqual(b.active, False)
        s.deactivate()
        self.assertEqual(s.active, False)
        self.assertEqual(b.active, False)
        b.activate()
        self.assertEqual(s.active, False)
        self.assertEqual(b.active, True)
        b.activate(shallow=False)
        self.assertEqual(s.active, True)
        self.assertEqual(b.active, True)
        b.deactivate(shallow=False)
        self.assertEqual(s.active, False)
        self.assertEqual(b.active, False)
Example #28
0
 def test_pprint(self):
     import pyomo.kernel
     # Not really testing what the output is, just that
     # an error does not occur. The pprint functionality
     # is still in the early stages.
     cdict = self._container_type({None: self._ctype_factory()})
     pyomo.kernel.pprint(cdict)
     b = block()
     b.cdict = cdict
     pyomo.kernel.pprint(cdict)
     pyomo.kernel.pprint(b)
     m = block()
     m.b = b
     pyomo.kernel.pprint(cdict)
     pyomo.kernel.pprint(b)
     pyomo.kernel.pprint(m)
Example #29
0
 def test_pprint(self):
     import pyomo.kernel
     # Not really testing what the output is, just that
     # an error does not occur. The pprint functionality
     # is still in the early stages.
     c = self._object_factory()
     pyomo.kernel.pprint(c)
     b = block()
     b.c = c
     pyomo.kernel.pprint(c)
     pyomo.kernel.pprint(b)
     m = block()
     m.b = b
     pyomo.kernel.pprint(c)
     pyomo.kernel.pprint(b)
     pyomo.kernel.pprint(m)
Example #30
0
 def test_pprint(self):
     import pyomo.kernel
     # Not really testing what the output is, just that
     # an error does not occur. The pprint functionality
     # is still in the early stages.
     cdict = self._container_type({None: self._ctype_factory()})
     pyomo.kernel.pprint(cdict)
     b = block()
     b.cdict = cdict
     pyomo.kernel.pprint(cdict)
     pyomo.kernel.pprint(b)
     m = block()
     m.b = b
     pyomo.kernel.pprint(cdict)
     pyomo.kernel.pprint(b)
     pyomo.kernel.pprint(m)
Example #31
0
 def test_pprint(self):
     import pyomo.kernel
     # Not really testing what the output is, just that
     # an error does not occur. The pprint functionality
     # is still in the early stages.
     p = parameter()
     e = self._ctype_factory(p**2)
     pyomo.kernel.pprint(e)
     b = block()
     b.e = e
     pyomo.kernel.pprint(e)
     pyomo.kernel.pprint(b)
     m = block()
     m.b = b
     pyomo.kernel.pprint(e)
     pyomo.kernel.pprint(b)
     pyomo.kernel.pprint(m)
Example #32
0
 def test_pprint(self):
     import pyomo.kernel
     # Not really testing what the output is, just that
     # an error does not occur. The pprint functionality
     # is still in the early stages.
     vlist = variable_list([variable(), variable()])
     s = sos(vlist)
     pyomo.kernel.pprint(s)
     b = block()
     b.s = s
     pyomo.kernel.pprint(s)
     pyomo.kernel.pprint(b)
     m = block()
     m.b = b
     pyomo.kernel.pprint(s)
     pyomo.kernel.pprint(b)
     pyomo.kernel.pprint(m)
Example #33
0
 def test_pprint(self):
     import pyomo.kernel
     # Not really testing what the output is, just that
     # an error does not occur. The pprint functionality
     # is still in the early stages.
     p = parameter()
     e = self._ctype_factory(p**2)
     pyomo.kernel.pprint(e)
     b = block()
     b.e = e
     pyomo.kernel.pprint(e)
     pyomo.kernel.pprint(b)
     m = block()
     m.b = b
     pyomo.kernel.pprint(e)
     pyomo.kernel.pprint(b)
     pyomo.kernel.pprint(m)
Example #34
0
 def test_pprint(self):
     import pyomo.kernel
     # Not really testing what the output is, just that
     # an error does not occur. The pprint functionality
     # is still in the early stages.
     vlist = variable_list([variable(), variable()])
     s = sos(vlist)
     pyomo.kernel.pprint(s)
     b = block()
     b.s = s
     pyomo.kernel.pprint(s)
     pyomo.kernel.pprint(b)
     m = block()
     m.b = b
     pyomo.kernel.pprint(s)
     pyomo.kernel.pprint(b)
     pyomo.kernel.pprint(m)
Example #35
0
 def test_pprint(self):
     # Not really testing what the output is, just that
     # an error does not occur. The pprint functionality
     # is still in the early stages.
     m, n = 3, 2
     vlist = _create_variable_list(2)
     A = numpy.random.rand(m, n)
     ctuple = matrix_constraint(A, lb=1, ub=2, x=vlist)
     pmo.pprint(ctuple)
     b = block()
     b.c = ctuple
     pmo.pprint(ctuple)
     pmo.pprint(b)
     m = block()
     m.b = b
     pmo.pprint(ctuple)
     pmo.pprint(b)
     pmo.pprint(m)
Example #36
0
 def test_remove(self):
     model = block()
     index = range(5)
     c = self._container_type(self._ctype_factory() for i in index)
     for i in index:
         cdata = c[0]
         self.assertEqual(cdata in c, True)
         c.remove(cdata)
         self.assertEqual(cdata in c, False)
Example #37
0
 def test_init_non_NumericValue(self):
     types = [None, 1, 1.1, True, ""]
     if numpy_available:
         types.extend([numpy.float32(1), numpy.bool_(True), numpy.int32(1)])
     types.append(block())
     types.append(block)
     for obj in types:
         self.assertEqual(noclone(obj), obj)
         self.assertIs(type(noclone(obj)), type(obj))
Example #38
0
 def test_init_non_NumericValue(self):
     types = [None, 1, 1.1, True, ""]
     if numpy_available:
         types.extend([numpy.float32(1), numpy.bool_(True), numpy.int32(1)])
     types.append(block())
     types.append(block)
     for obj in types:
         self.assertEqual(noclone(obj), obj)
         self.assertIs(type(noclone(obj)), type(obj))
Example #39
0
 def test_pprint(self):
     import pyomo.kernel
     # Not really testing what the output is, just that
     # an error does not occur. The pprint functionality
     # is still in the early stages.
     v = variable()
     e = noclone(v**2)
     pyomo.kernel.pprint(e)
     pyomo.kernel.pprint(e, indent=1)
     b = block()
     b.e = expression(expr=e)
     pyomo.kernel.pprint(e)
     pyomo.kernel.pprint(b)
     m = block()
     m.b = b
     pyomo.kernel.pprint(e)
     pyomo.kernel.pprint(b)
     pyomo.kernel.pprint(m)
Example #40
0
 def test_active(self):
     v = variable()
     b = block()
     self.assertEqual(b.active, True)
     b.deactivate()
     self.assertEqual(b.active, False)
     b.v = v
     self.assertEqual(b.active, False)
     b.activate()
     self.assertEqual(b.active, True)
Example #41
0
 def test_active(self):
     v = variable()
     b = block()
     self.assertEqual(b.active, True)
     b.deactivate()
     self.assertEqual(b.active, False)
     b.v = v
     self.assertEqual(b.active, False)
     b.activate()
     self.assertEqual(b.active, True)
Example #42
0
 def test_pprint(self):
     import pyomo.kernel
     # Not really testing what the output is, just that
     # an error does not occur. The pprint functionality
     # is still in the early stages.
     v = variable()
     e = noclone(v**2)
     pyomo.kernel.pprint(e)
     pyomo.kernel.pprint(e, indent=1)
     b = block()
     b.e = expression(expr=e)
     pyomo.kernel.pprint(e)
     pyomo.kernel.pprint(b)
     m = block()
     m.b = b
     pyomo.kernel.pprint(e)
     pyomo.kernel.pprint(b)
     pyomo.kernel.pprint(m)
     # tests compatibility with _ToStringVisitor
     pyomo.kernel.pprint(noclone(v)+1)
     pyomo.kernel.pprint(noclone(v+1))
Example #43
0
 def test_pickle(self):
     for key in transforms_nd.registered_transforms:
         p = transforms_nd.piecewise_nd(_test_tri, _test_values, repn=key)
         self.assertEqual(p.parent, None)
         pup = pickle.loads(pickle.dumps(p))
         self.assertEqual(pup.parent, None)
         b = block()
         b.p = p
         self.assertIs(p.parent, b)
         bup = pickle.loads(pickle.dumps(b))
         pup = bup.p
         self.assertIs(pup.parent, bup)
Example #44
0
    def test_pprint(self):
        # Not really testing what the output is, just that
        # an error does not occur. The pprint functionality
        # is still in the early stages.
        v = variable()
        clist = constraint_list([constraint()])
        s = suffix()
        s[v] = 1
        s[clist] = None
        pprint(s)
        b = block()
        b.s = s
        pprint(s)
        pprint(b)
        m = block()
        m.b = b
        pprint(s)
        pprint(b)
        pprint(m)

        pprint({'a': 1, 'b': 2})
Example #45
0
    def test_pprint(self):
        import pyomo.kernel
        # Not really testing what the output is, just that
        # an error does not occur. The pprint functionality
        # is still in the early stages.
        v = variable()
        clist = constraint_list([constraint()])
        s = suffix()
        s[v] = 1
        s[clist] = None
        pyomo.kernel.pprint(s)
        b = block()
        b.s = s
        pyomo.kernel.pprint(s)
        pyomo.kernel.pprint(b)
        m = block()
        m.b = b
        pyomo.kernel.pprint(s)
        pyomo.kernel.pprint(b)
        pyomo.kernel.pprint(m)

        pyomo.kernel.pprint({'a': 1, 'b': 2})
Example #46
0
 def test_pprint(self):
     import pyomo.kernel
     # Not really testing what the output is, just that
     # an error does not occur. The pprint functionality
     # is still in the early stages.
     m,n = 3,2
     vlist = _create_variable_list(2)
     A = numpy.random.rand(m,n)
     ctuple = matrix_constraint(A,
                                lb=1,
                                ub=2,
                                x=vlist)
     pmo.pprint(ctuple)
     b = block()
     b.c = ctuple
     pmo.pprint(ctuple)
     pmo.pprint(b)
     m = block()
     m.b = b
     pmo.pprint(ctuple)
     pmo.pprint(b)
     pmo.pprint(m)
Example #47
0
    def test_name(self):
        s = suffix()
        self.assertTrue(s.parent is None)
        self.assertEqual(s.local_name, None)
        self.assertEqual(s.name, None)

        model = block()
        model.s = s
        self.assertTrue(model.parent is None)
        self.assertTrue(s.parent is model)
        self.assertEqual(s.local_name, "s")
        self.assertEqual(s.name, "s")

        b = block()
        b.model = model
        self.assertTrue(b.parent is None)
        self.assertTrue(model.parent is b)
        self.assertTrue(s.parent is model)
        self.assertEqual(s.local_name, "s")
        self.assertEqual(s.name, "model.s")

        bdict = block_dict()
        bdict[0] = b
        self.assertTrue(bdict.parent is None)
        self.assertTrue(b.parent is bdict)
        self.assertTrue(model.parent is b)
        self.assertTrue(s.parent is model)
        self.assertEqual(s.local_name, "s")
        self.assertEqual(s.name, "[0].model.s")

        m = block()
        m.bdict = bdict
        self.assertTrue(m.parent is None)
        self.assertTrue(bdict.parent is m)
        self.assertTrue(b.parent is bdict)
        self.assertTrue(model.parent is b)
        self.assertTrue(s.parent is model)
        self.assertEqual(s.local_name, "s")
        self.assertEqual(s.name, "bdict[0].model.s")
Example #48
0
    def test_name(self):
        s = suffix()
        self.assertTrue(s.parent is None)
        self.assertEqual(s.local_name, None)
        self.assertEqual(s.name, None)

        model = block()
        model.s = s
        self.assertTrue(model.parent is None)
        self.assertTrue(s.parent is model)
        self.assertEqual(s.local_name, "s")
        self.assertEqual(s.name, "s")

        b = block()
        b.model = model
        self.assertTrue(b.parent is None)
        self.assertTrue(model.parent is b)
        self.assertTrue(s.parent is model)
        self.assertEqual(s.local_name, "s")
        self.assertEqual(s.name, "model.s")

        bdict = block_dict()
        bdict[0] = b
        self.assertTrue(bdict.parent is None)
        self.assertTrue(b.parent is bdict)
        self.assertTrue(model.parent is b)
        self.assertTrue(s.parent is model)
        self.assertEqual(s.local_name, "s")
        self.assertEqual(s.name, "[0].model.s")

        m = block()
        m.bdict = bdict
        self.assertTrue(m.parent is None)
        self.assertTrue(bdict.parent is m)
        self.assertTrue(b.parent is bdict)
        self.assertTrue(model.parent is b)
        self.assertTrue(s.parent is model)
        self.assertEqual(s.local_name, "s")
        self.assertEqual(s.name, "bdict[0].model.s")
Example #49
0
 def test_pickle(self):
     p = parameter(value=1.0)
     self.assertEqual(p.value, 1.0)
     self.assertEqual(p.parent, None)
     pup = pickle.loads(pickle.dumps(p))
     self.assertEqual(pup.value, 1.0)
     self.assertEqual(pup.parent, None)
     b = block()
     b.p = p
     self.assertIs(p.parent, b)
     bup = pickle.loads(pickle.dumps(b))
     pup = bup.p
     self.assertEqual(pup.value, 1.0)
     self.assertIs(pup.parent, bup)
Example #50
0
 def test_pickle(self):
     f = functional_value()
     self.assertIs(f.fn, None)
     self.assertIs(f.parent, None)
     fup = pickle.loads(
         pickle.dumps(f))
     self.assertIs(fup.fn, None)
     self.assertIs(fup.parent, None)
     b = block()
     b.f = f
     self.assertIs(f.parent, b)
     bup = pickle.loads(
         pickle.dumps(b))
     fup = bup.f
     self.assertIs(fup.fn, None)
     self.assertIs(fup.parent, bup)
Example #51
0
 def test_to_string(self):
     b = block()
     p = parameter()
     e = noclone(p**2)
     self.assertEqual(str(e.expr), "<parameter>**2")
     self.assertEqual(str(e), "{(<parameter>**2)}")
     self.assertEqual(e.to_string(), "(<parameter>**2)")
     self.assertEqual(e.to_string(verbose=False), "(<parameter>**2)")
     self.assertEqual(e.to_string(verbose=True), "{pow(<parameter>, 2)}")
     b.e = e
     b.p = p
     self.assertNotEqual(p.name, None)
     self.assertEqual(e.to_string(verbose=True), "{pow("+p.name+", 2)}")
     self.assertEqual(e.to_string(verbose=True), "{pow(p, 2)}")
     del b.e
     del b.p
Example #52
0
 def test_pickle(self):
     p = parameter(value=1.0)
     self.assertEqual(p.value, 1.0)
     self.assertIs(p.parent, None)
     pup = pickle.loads(
         pickle.dumps(p))
     self.assertEqual(pup.value, 1.0)
     self.assertIs(pup.parent, None)
     b = block()
     b.p = p
     self.assertIs(p.parent, b)
     bup = pickle.loads(
         pickle.dumps(b))
     pup = bup.p
     self.assertEqual(pup.value, 1.0)
     self.assertIs(pup.parent, bup)
Example #53
0
    def test_pickle(self):
        c = ComponentMap()
        self.assertEqual(len(c), 0)
        cup = pickle.loads(
            pickle.dumps(c))
        self.assertIsNot(cup, c)
        self.assertEqual(len(cup), 0)

        v = variable()
        c[v] = 1.0
        self.assertEqual(len(c), 1)
        self.assertEqual(c[v], 1.0)
        cup = pickle.loads(
            pickle.dumps(c))
        vup = list(cup.keys())[0]
        self.assertIsNot(cup, c)
        self.assertIsNot(vup, v)
        self.assertEqual(len(cup), 1)
        self.assertEqual(cup[vup], 1)
        self.assertEqual(vup.parent, None)

        b = block()
        V = b.V = variable_list()
        b.V.append(v)
        b.c = c
        self.assertEqual(len(c), 1)
        self.assertEqual(c[v], 1.0)
        self.assertIs(v.parent, b.V)
        self.assertIs(V.parent, b)
        self.assertIs(b.parent, None)
        bup = pickle.loads(
            pickle.dumps(b))
        Vup = bup.V
        vup = Vup[0]
        cup = bup.c
        self.assertIsNot(cup, c)
        self.assertIsNot(vup, v)
        self.assertIsNot(Vup, V)
        self.assertIsNot(bup, b)
        self.assertEqual(len(cup), 1)
        self.assertEqual(cup[vup], 1)
        self.assertIs(vup.parent, Vup)
        self.assertIs(Vup.parent, bup)
        self.assertIs(bup.parent, None)

        self.assertEqual(len(c), 1)
        self.assertEqual(c[v], 1)
Example #54
0
    def test_active(self):
        A = numpy.ones((2,2))
        ctuple = matrix_constraint(A)
        self.assertEqual(ctuple.active, True)
        for c in ctuple:
            self.assertEqual(c.active, True)
        ctuple.deactivate()
        self.assertEqual(ctuple.active, False)
        for c in ctuple:
            self.assertEqual(c.active, True)
        ctuple.deactivate(shallow=False)
        self.assertEqual(ctuple.active, False)
        for c in ctuple:
            self.assertEqual(c.active, False)
        ctuple[0].activate()
        self.assertEqual(ctuple.active, False)
        self.assertEqual(ctuple[0].active, True)
        self.assertEqual(ctuple[1].active, False)
        ctuple.activate()
        self.assertEqual(ctuple.active, True)
        self.assertEqual(ctuple[0].active, True)
        self.assertEqual(ctuple[1].active, False)
        ctuple.activate(shallow=False)
        self.assertEqual(ctuple.active, True)
        for c in ctuple:
            self.assertEqual(c.active, True)

        b = block()
        self.assertEqual(b.active, True)
        b.deactivate()
        self.assertEqual(b.active, False)
        b.c = ctuple
        self.assertEqual(ctuple.active, True)
        self.assertEqual(b.active, False)
        ctuple.deactivate()
        self.assertEqual(ctuple.active, False)
        self.assertEqual(b.active, False)
        b.activate()
        self.assertEqual(ctuple.active, False)
        self.assertEqual(b.active, True)
        b.activate(shallow=False)
        self.assertEqual(ctuple.active, True)
        self.assertEqual(b.active, True)
        b.deactivate(shallow=False)
        self.assertEqual(ctuple.active, False)
        self.assertEqual(b.active, False)
Example #55
0
    def test_to_string(self):
        b = block()
        e = self._ctype_factory()
        label = str(e)
        self.assertNotEqual(label, None)
        self.assertEqual(e.name, None)

        self.assertEqual(str(e.expr), "None")
        self.assertEqual(str(e), label)
        self.assertEqual(e.to_string(), label+"{Undefined}")
        self.assertEqual(e.to_string(verbose=False), label+"{Undefined}")
        self.assertEqual(e.to_string(verbose=True), label+"{Undefined}")
        b.e = e
        self.assertNotEqual(e.name, None)
        self.assertEqual(e.to_string(verbose=True), "e{Undefined}")
        del b.e
        self.assertEqual(e.name, None)

        e.expr = 1
        self.assertEqual(str(e.expr), "1")
        self.assertEqual(str(e), label)
        self.assertEqual(e.to_string(), "1")
        self.assertEqual(e.to_string(verbose=False), "1")
        self.assertEqual(e.to_string(verbose=True), label+"{1}")
        b.e = e
        self.assertNotEqual(e.name, None)
        self.assertEqual(e.to_string(verbose=True), "e{1}")
        del b.e
        self.assertEqual(e.name, None)


        p = parameter()
        e.expr = p**2
        self.assertEqual(str(e.expr), "<parameter>**2")
        self.assertEqual(str(e), label)
        self.assertEqual(e.to_string(), "(<parameter>**2)")
        self.assertEqual(e.to_string(verbose=False), "(<parameter>**2)")
        self.assertEqual(e.to_string(verbose=True), label+"{pow(<parameter>, 2)}")
        b.e = e
        b.p = p
        self.assertNotEqual(e.name, None)
        self.assertNotEqual(p.name, None)
        self.assertEqual(e.to_string(verbose=True), e.name+"{pow("+p.name+", 2)}")
        self.assertEqual(e.to_string(verbose=True), "e{pow(p, 2)}")
        del b.e
        del b.p
Example #56
0
 def test_pickle(self):
     e = self._ctype_factory(expr=1.0)
     self.assertEqual(type(e.expr), float)
     self.assertEqual(e.expr, 1.0)
     self.assertEqual(e.parent, None)
     eup = pickle.loads(
         pickle.dumps(e))
     self.assertEqual(type(eup.expr), float)
     self.assertEqual(eup.expr, 1.0)
     self.assertEqual(eup.parent, None)
     b = block()
     b.e = e
     self.assertIs(e.parent, b)
     bup = pickle.loads(
         pickle.dumps(b))
     eup = bup.e
     self.assertEqual(type(eup.expr), float)
     self.assertEqual(eup.expr, 1.0)
     self.assertIs(eup.parent, bup)
Example #57
0
 def test_dill(self):
     p = parameter(1)
     f = functional_value(lambda: p())
     self.assertEqual(f(), 1)
     fup = dill.loads(
         dill.dumps(f))
     p.value = 2
     self.assertEqual(f(), 2)
     self.assertEqual(fup(), 1)
     b = block()
     b.p = p
     b.f = f
     self.assertEqual(b.f(), 2)
     bup = dill.loads(
         dill.dumps(b))
     fup = bup.f
     b.p.value = 4
     self.assertEqual(b.f(), 4)
     self.assertEqual(bup.f(), 2)
     bup.p.value = 4
     self.assertEqual(bup.f(), 4)
Example #58
0
 def test_pickle(self):
     c = self._object_factory()
     self.assertIs(c.lb, None)
     self.assertEqual(c.ub, 0)
     self.assertIsNot(c.body, None)
     self.assertIs(c.parent, None)
     cup = pickle.loads(
         pickle.dumps(c))
     self.assertIs(cup.lb, None)
     self.assertEqual(cup.ub, 0)
     self.assertIsNot(cup.body, None)
     self.assertIs(cup.parent, None)
     b = block()
     b.c = c
     self.assertIs(c.parent, b)
     bup = pickle.loads(
         pickle.dumps(b))
     cup = bup.c
     self.assertIs(cup.lb, None)
     self.assertEqual(cup.ub, 0)
     self.assertIsNot(cup.body, None)
     self.assertIs(cup.parent, bup)
Example #59
0
    def as_domain(cls, r, x):
        """Builds a conic domain. Input arguments take the
        same form as those of the conic constraint, but in
        place of each variable, one can optionally supply a
        constant, linear expression, or None.

        Returns
        -------
        block
            A block object with the core conic constraint
            (block.q) expressed using auxiliary variables
            (block.r, block.x) linked to the input arguments
            through auxiliary constraints (block.c).
        """
        b = block()
        b.r = variable(lb=0)
        b.x = variable_tuple(
            [variable() for i in range(len(x))])
        b.c = _build_linking_constraints([r] + list(x),
                                         [b.r] + list(b.x))
        b.q = cls(r=b.r, x=b.x)
        return b
Example #60
0
    def as_domain(cls, r, x1, x2):
        """Builds a conic domain. Input arguments take the
        same form as those of the conic constraint, but in
        place of each variable, one can optionally supply a
        constant, linear expression, or None.

        Returns
        -------
        block
            A block object with the core conic constraint
            (block.q) expressed using auxiliary variables
            (block.r, block.x1, block.x2) linked to the
            input arguments through auxiliary constraints
            (block.c).
        """
        b = block()
        b.r = variable(lb=0)
        b.x1 = variable()
        b.x2 = variable(ub=0)
        b.c = _build_linking_constraints([r,x1,x2],
                                         [b.r,b.x1,b.x2])
        b.q = cls(r=b.r, x1=b.x1, x2=b.x2)
        return b