Python Polynomial.from_string示例

示例#1

文件： viewmodel_polynomial_calculator.py 项目： UNN-ITMM-Software/agile-course-practice-python

 def computing(self):
     first_poly = Polynomial.from_string(self.first_poly)
     second_poly = Polynomial.from_string(self.second_poly)
     if first_poly and second_poly:
         if self.operation == '+':
             self.result = str(first_poly + second_poly)
         elif self.operation == '-':
             self.result = str(first_poly - second_poly)
         elif self.operation == '*':
             self.result = str(first_poly * second_poly)
     else:
         self.result = 'Coeff has no type int'

示例#2

 def test_error_val(self):
     self.assertEqual(False, Polynomial.from_string('1,2,a'))

示例#3

 def test_from_string(self):
     self.assertEqual(Polynomial([1, 2, 3]),
                      Polynomial.from_string('1,2,3'))