def calcul(eq, var_list):
try:
eq = eq.replace(" ", "")
eq_list = tokenize(eq, var_list)
E = Parser(eq_list, var_list)
ans = E.eval()
return ans
except Exception as e:
return e
def change_x_to_num(eq, var_list, string):
try:
eq = eq.replace(" ", "")
eq_list = tokenize(eq, var_list)
variable = []
value = []
string = string.replace(" ", "")
string = string.split(',')
for n in range(len(string)):
temp = string[n].split('=')
if temp[0] not in var_list:
raise Exception('%s is not in current variable list' % (temp[0]))
if len(temp) != 2 or not is_digit(temp[1]):
raise Exception('Wrong input')
variable.append(temp[0])
value.append(temp[1])
for n in range(len(variable)):
eq_temp = []
for m in range(len(eq_list)):
if eq_list[m] == variable[n]:
eq_temp.append(float(value[n]))
else:
eq_temp.append(eq_list[m])
eq_list = eq_temp
if eq_list[0] == 'sig':
sig_eq = ''
for n in range(4, len(eq_list)-6):
sig_eq += str(eq_list[n])
ans, _, _ = sigma(eq_list[2], sig_eq, eq_list[-5], eq_list[-3], var_list)
return ans[0]
E = Parser(eq_list, var_list)
ans = E.eval()
return from_list_to_str('', ans)
except Exception as e:
return '*Error* ' + str(e)
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
