Ejemplo n.º 1
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    def test_constant(self):
        m = ConcreteModel()
        m.p = Param(initialize=1)

        e = 1 + m.p
        self.assertEqual(2, evaluate_expression(e))
        self.assertEqual(2, evaluate_expression(e, constant=True))
Ejemplo n.º 2
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    def test_constant(self):
        m = ConcreteModel()
        m.p = Param(initialize=1)

        e = 1 + m.p
        self.assertEqual(2, evaluate_expression(e))
        self.assertEqual(2, evaluate_expression(e, constant=True))
Ejemplo n.º 3
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    def test_initialized_variable(self):
        m = ConcreteModel()
        m.p = Var(initialize=1)

        e = 1 + m.p
        self.assertTrue(2, evaluate_expression(e))
        self.assertRaises(NonConstantExpressionError, evaluate_expression, e, constant=True)
Ejemplo n.º 4
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def _convert_to_const(val):
    if val.__class__ in native_numeric_types:
        return val
    elif val.is_expression_type():
        return evaluate_expression(val)
    else:
        return value(val)
Ejemplo n.º 5
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    def test_initialized_variable(self):
        m = ConcreteModel()
        m.p = Var(initialize=1)

        e = 1 + m.p
        self.assertTrue(2, evaluate_expression(e))
        self.assertRaises(NonConstantExpressionError, evaluate_expression, e, constant=True)