def aux():
txt = self.display.text()
try:
result = acc.parse(txt)
except SyntaxError:
self.display.setText('Invalid Syntax')
except:
self.display.setText('Value Error')
else:
if type(result) is ndarray:
result = list(result)
self.display.setText(str(result))
def test_vector_sum(self):
s = '[1,2,3]+[4,5,6]'
self.assertEquals(list(acc.parse(s)), [5, 7, 9])
###################################
from parser import lexer, acc
from convert import converter
while True:
res = ''
try:
s = input('calc > ')
except EOFError:
break
try:
lexer.input(s)
print([(tok.type, tok.value) for tok in lexer])
except:
print('Lex Error')
continue
else:
try:
res = str(acc.parse(s))
print(res)
except SyntaxError:
print('Invalid Syntax')
continue
except:
print('Value Error')
continue
else:
try:
print(converter.parse(res))
except:
pass
def test_log(self):
s = 'log(5,25)'
self.assertEquals(acc.parse(s), 2.0)
def test_lcm(self):
s = 'lcm(50,75)'
self.assertEquals(acc.parse(s), 150)
def test_gcd(self):
s = 'gcd(50,75)'
self.assertEquals(acc.parse(s), 25)
def test_int_plus_minus(self):
s = '3+5-7'
self.assertEquals(acc.parse(s), 1)
def test_n_choose_0(self):
s = 'chs(4,0)'
self.assertEquals(acc.parse(s), 1)
def test_float_mult_divide(self):
s = '0.2*9/0.6'
self.assertEquals(acc.parse(s), 3.0)
def test_least_square(self):
s = 'lstsq[(1,2),(3,4),(4,5.2)]'
self.assertEquals(str(acc.parse(s)), '(1.0571x1+0.9143x0)')
def test_float_plus_minus(self):
s = '0.3+0.5-0.7'
self.assertEquals(acc.parse(s), Fraction(1, 10))
def test_interpolation(self):
s = 'intp[(1,2),(3,4)]'
self.assertEquals(str(acc.parse(s)), '(1.0x1+1.0x0)')
def test_vector_cross(self):
s = '[1,2,3]*[1,2,3]'
self.assertEquals(list(acc.parse(s)), [0, 0, 0])
def test_vector_inner(self):
s = '[1,2,3][4,5,6]'
self.assertEquals(acc.parse(s), 32)
def test_vector_times_num(self):
s = '[1,2,3]*2'
self.assertEquals(list(acc.parse(s)), [2, 4, 6])
def test_negative_exp(self):
s = '3E-5'
self.assertEquals(acc.parse(s), Fraction(3, 100000))
def test_n_choose_k(self):
s = 'chs(4,2)'
self.assertEquals(acc.parse(s), 6)
def test_float_precedence(self):
s = '0.2*9+1.2/6-1'
self.assertEquals(acc.parse(s), 1.0)
def test_n_choose_nplus1(self):
s = 'chs(4,5)'
self.assertEquals(acc.parse(s), 0)
def test_negative_num(self):
s = '-0.2+-0.8*-2.0'
self.assertEquals(acc.parse(s), Fraction(7, 5))
def test_invalid_n_choose_k(self):
s = 'chs(4.5,2)'
with self.assertRaises(SyntaxError) as se:
acc.parse(s)
def test_parenthesis(self):
s = '(-0.2+-0.8)*-2.0'
self.assertEquals(acc.parse(s), 2.0)
def test_gcd2(self):
s = 'gcd(27,64)'
self.assertEquals(acc.parse(s), 1)
def test_valid_factorial(self):
s = '6!'
self.assertEquals(acc.parse(s), 720)
def test_invalid_lcm(self):
s = 'lcm(1.2,3.7)'
with self.assertRaises(SyntaxError) as se:
acc.parse(s)
def test_zero_factorial(self):
s = '0!'
self.assertEquals(acc.parse(s), 1)
def test_ln(self):
s = 'ln(8)'
self.assertEquals(acc.parse(s), math.log(8))
def test_invalid_factorial(self):
s = '3.5!'
with self.assertRaises(SyntaxError) as se:
acc.parse(s)
def test_positive_exp(self):
s = '3E5'
self.assertEquals(acc.parse(s), 300000)
def test_polynomial_rangesum(self):
s = '(1x2+2x1)sum(1,2)'
self.assertEquals(acc.parse(s), 11)
