def test_rpn_complex(self):
istr4 = '0.2 10.24 pi * 180 / * 10.24 pi * 180 / sin /'
rpnins4 = Rpn(istr4)
self.assertAlmostEqual(rpnins4.solve(),
0.2 * (10.24 * math.pi) / 180 /
math.sin(10.24 * math.pi / 180),
places=NPRC)
def test_rpn_const_pi(self):
self.assertAlmostEqual(Rpn('1 pi *').solve(),
3.14159265359,
places=NPRC)
self.assertAlmostEqual(Rpn('1 PI *').solve(),
3.14159265359,
places=NPRC)
def test_rpn_sqrt(self):
self.assertAlmostEqual(Rpn('4.0 sqrt').solve(),
math.sqrt(4.0),
places=NPRC)
self.assertAlmostEqual(Rpn('2.0 sqrt').solve(),
math.sqrt(2.0),
places=NPRC)
self.assertIsNone(Rpn('-1.0 sqrt').solve())
def test():
istr1 = '1 2 + 3 * sin'
rpnins1 = Rpn(istr1)
print(rpnins1)
print(rpnins1.solve())
istr2 = '1 2 + 3 * cos'
rpnins2 = Rpn(istr2)
print(rpnins2)
print(rpnins2.solve())
istr3 = '10,3,1,2,/,*,-,tan'
rpnins3 = Rpn(istr3, ',')
print(rpnins3)
print(rpnins3.solve())
istr4 = '0.2 10.24 pi * 180 / * 10.24 pi * 180 / sin /'
rpnins4 = Rpn(istr4)
print(rpnins4.solve())
istr5 = '0.2 10.24 pi * 180 / * 10.24 pi * 180 / sin /'
print(Rpn.solve_rpn(istr5))
def test_rpn_sto_2(self):
"""test sto operation: variables"""
a = Rpn('1 2 + sto three')
self.assertEqual(a.variables, {'pi': math.pi})
a.solve()
self.assertEqual(a.variables, {'pi': math.pi, 'three': 3.0})
def test_rpn_sto_1(self):
"""test sto operation: solve"""
self.assertAlmostEqual(Rpn('1 2 + sto three').solve(), 3, places=NPRC)
self.assertAlmostEqual(Rpn('1 2 + sto three pop three sin').solve(),
0.141120008059867,
places=NPRC)
def test_rpn_solve_str(self):
self.assertAlmostEqual(Rpn.solve_rpn('2 cos'),
math.cos(2),
places=NPRC)
def test_rpn_func2(self):
istr3 = '10 3 1 2 / * - tan'
rpnins3 = Rpn(istr3)
self.assertAlmostEqual(rpnins3.solve(),
math.tan(10 - 3 * (1.0 / 2.0)),
places=NPRC)
def test_rpn_sep(self):
istr3 = '10,3,1,2,/,*,-,tan'
rpnins3 = Rpn(istr3, ',')
self.assertAlmostEqual(rpnins3.solve(),
math.tan(10 - 3 * (1.0 / 2.0)),
places=NPRC)
def test_rpn_func1(self):
istr1 = '1 2 + 3 * sin'
rpnins1 = Rpn(istr1)
self.assertAlmostEqual(rpnins1.solve(), math.sin(3 * 3), places=NPRC)
def test_rpn_simple2(self):
self.assertAlmostEqual(1.5, Rpn('0.5 1 2 + *').solve(), places=NPRC)
def test_rpn_simple1(self):
self.assertAlmostEqual(2, Rpn('1 1 +').solve(), places=NPRC)
def test_repr(self):
istr1 = '1 2 + 3 * sin'
rpnins1 = Rpn(istr1)
self.assertEqual(istr1, str(rpnins1))
def test():
istr1 = '1 2 + 3 * sin'
rpnins1 = Rpn(istr1)
print rpnins1
print rpnins1.solve()
istr2 = '1 2 + 3 * cos'
rpnins2 = Rpn(istr2)
print rpnins2
print rpnins2.solve()
istr3 = '10,3,1,2,/,*,-,tan'
rpnins3 = Rpn(istr3, ',')
print rpnins3
print rpnins3.solve()
istr4 = '0.2 10.24 pi * 180 / * 10.24 pi * 180 / sin /'
rpnins4 = Rpn(istr4)
print rpnins4.solve()
istr5 = '0.2 10.24 pi * 180 / * 10.24 pi * 180 / sin /'
print Rpn.solve_rpn(istr5)