<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def parseFloat(self, words):
 """Convert a floating-point number described in words to a double. Supports two kinds of descriptions: those with a 'point' (e.g., "one point two five") and those with a fraction (e.g., "one and a quarter"). Args: words (str):
 Description of the floating-point number. Returns: A double representation of the words. """

        def pointFloat(words):
            m = re.search(r'(.*) point (.*)', words)
            if m:
                whole = m.group(1)
                frac = m.group(2)
                total = 0.0
                coeff = 0.10
                for digit in frac.split(' '):
                    total += coeff * self.parse(digit)
                    coeff /= 10.0

                return self.parseInt(whole) + total
            return None

        def fractionFloat(words):
            m = re.search(r'(.*) and (.*)', words)
            if m:
                whole = self.parseInt(m.group(1))
                frac = m.group(2)

                # Replace plurals
                frac = re.sub(r'(\w+)s(\b)', '\g<1>\g<2>', frac)

                # Convert 'a' to 'one' (e.g., 'a third' to 'one third')
                frac = re.sub(r'(\b)a(\b)', '\g<1>one\g<2>', frac)

                split = frac.split(' ')

                # Split fraction into num (regular integer), denom (ordinal)
                num = split[:1]
                denom = split[1:]

                while denom:
                    try:
                        # Test for valid num, denom
                        num_value = self.parse(' '.join(num))
                        denom_value = self.parse(' '.join(denom))
                        return whole + float(num_value) / denom_value
                    except:
                        # Add another word to num
                        num += denom[:1]
                        denom = denom[1:]
            return None

        # Extract "one point two five"-type float
        result = pointFloat(words)
        if result:
            return result

        # Extract "one and a quarter"-type float
        result = fractionFloat(words)
        if result:
            return result

        # Parse as integer
        return self.parseInt(words)