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if '\\boxed ' in string:
return '\\boxed ' + string.split('\\boxed ')[-1].split('$')[0]
if idx < 0:
idx = string.rfind('\\fbox')
if idx < 0:
return None
i = idx
right_brace_idx = None
num_left_braces_open = 0
while i < len(string):
if string[i] == '{':
num_left_braces_open += 1
if string[i] == '}':
num_left_braces_open -= 1
if num_left_braces_open == 0:
right_brace_idx = i
break
i += 1
if right_brace_idx is None:
retval = None
else:
retval = string[idx:right_brace_idx + 1]
return retval
def fix_fracs(string):
substrs = string.split('\\frac')
new_str = substrs[0]
if len(substrs) > 1:
substrs = substrs[1:]
for substr in substrs:
new_str += '\\frac'
if substr[0] == '{':
new_str += substr
else:
try:
assert len(substr) >= 2
except AssertionError:
return string
a = substr[0]
b = substr[1]
if b != '{':
if len(substr) > 2:
post_substr = substr[2:]
new_str += '{' + a + '}{' + b + '}' + post_substr
else:
new_str += '{' + a + '}{' + b + '}'
elif len(substr) > 2:
post_substr = substr[2:]
new_str += '{' + a + '}' + b + post_substr
else:
new_str += '{' + a + '}' + b
string = new_str
return string
def fix_a_slash_b(string):
if len(string.split('/')) != 2:
return string
a = string.split('/')[0]
b = string.split('/')[1]
try:
a = int(a)
b = int(b)
assert string == '{}/{}'.format(a, b)
new_string = '\\frac{' + str(a) + '}{' + str(b) + '}'
return new_string
except AssertionError:
return string
def remove_right_units(string):
if '\\text{ ' in string:
splits = string.split('\\text{ ')
assert len(splits) == 2
return splits[0]
else:
return string
def fix_sqrt(string):
if '\\sqrt' not in string:
return string
splits = string.split('\\sqrt')
new_string = splits[0]
for split in splits[1:]:
if split[0] != '{':
a = split[0]
new_substr = '\\sqrt{' + a + '}' + split[1:]
else:
new_substr = '\\sqrt' + split
new_string += new_substr
return new_string
def strip_string(string):
string = string.replace('\n', '')
string = string.replace('\\!', '')
string = string.replace('\\\\', '\\')
string = string.replace('tfrac', 'frac')
string = string.replace('dfrac', 'frac')
string = string.replace('\\left', '')
string = string.replace('\\right', '')
string = string.replace('^{\\circ}', '')
string = string.replace('^\\circ', '')