def calcul(eq, var_list):
try:
eq = eq.replace(" ", "")
eq_list = tokenize(eq, var_list)
if eq_list[0] == 'sig':
sig_eq = ''
for n in range(4, len(eq_list)-6):
sig_eq += str(eq_list[n])
return sigma(eq_list[2], sig_eq, eq_list[-5], eq_list[-3], var_list)
else:
E = Parser(eq_list, var_list)
ans = E.eval()
domain, in_domain = E.get_domain()
return [ans, domain, in_domain]
except Exception as e:
return 'Error', e, 0
