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� �,d�o � �� � d Z ddlmZ ddlZddlZddlZddlZddlZdgZej j Zej j Z ej dej ej z � � Z G d� dej � � ZdS )z/Fraction, infinite-precision, rational numbers.� ��DecimalN�Fractiona� \A\s* # optional whitespace at the start, (?P<sign>[-+]?) # an optional sign, then (?=\d|\.\d) # lookahead for digit or .digit (?P<num>\d*|\d+(_\d+)*) # numerator (possibly empty) (?: # followed by (?:/(?P<denom>\d+(_\d+)*))? # an optional denominator | # or (?:\.(?P<decimal>d*|\d+(_\d+)*))? # an optional fractional part (?:E(?P<exp>[-+]?\d+(_\d+)*))? # and optional exponent ) \s*\Z # and optional whitespace to finish c �l � � e Zd ZdZdZd.dd�� fd�Zed� � � Zed � � � Zd � Z d/d�Z ed � � � Zed� � � Z d� Zd� Zd� Zd� Z eeej � � \ ZZd� Z eeej � � \ ZZd� Z eeej � � \ ZZd� Z eeej � � \ Z Z!d� Z" ee"ej# � � \ Z$Z%d� Z& ee&e'� � \ Z(Z)d� Z* ee*ej+ � � \ Z,Z-d� Z.d� Z/d� Z0d� Z1d� Z2ej3 fd�Z4d� Z5d � Z6d!� Z7d0d"�Z8d#� Z9d$� Z:d%� Z;d&� Z<d'� Z=d(� Z>d)� Z?d*� Z@d+� ZAd,� ZBd-� ZC� xZDS )1r a] This class implements rational numbers. In the two-argument form of the constructor, Fraction(8, 6) will produce a rational number equivalent to 4/3. Both arguments must be Rational. The numerator defaults to 0 and the denominator defaults to 1 so that Fraction(3) == 3 and Fraction() == 0. Fractions can also be constructed from: - numeric strings similar to those accepted by the float constructor (for example, '-2.3' or '1e10') - strings of the form '123/456' - float and Decimal instances - other Rational instances (including integers) �� _numerator�_denominatorr NT�� _normalizec �� �� t t | � � � | � � }|���t |� � t u r||_ d|_ |S t |t j � � r|j |_ |j |_ |S t |t t f� � r#|� � � \ |_ |_ |S t |t � � �r/t � |� � }|�t% d|z � � �t |� d� � pd� � }|� d� � }|rt |� � }n�d}|� d� � }|rB|� dd � � }d t+ |� � z }||z t |� � z }||z }|� d� � } | r't | � � } | dk r |d | z z }n |d | z z }|� d � � dk r| }n�t- d� � �t |� � t cxu rt |� � u rn nnbt |t j � � r9t |t j � � r|j |j z |j |j z }}nt- d� � �|dk rt/ d|z � � �|r(t1 j ||� � } |dk r| } || z }|| z }||_ ||_ |S )a� Constructs a Rational. Takes a string like '3/2' or '1.5', another Rational instance, a numerator/denominator pair, or a float. Examples -------- >>> Fraction(10, -8) Fraction(-5, 4) >>> Fraction(Fraction(1, 7), 5) Fraction(1, 35) >>> Fraction(Fraction(1, 7), Fraction(2, 3)) Fraction(3, 14) >>> Fraction('314') Fraction(314, 1) >>> Fraction('-35/4') Fraction(-35, 4) >>> Fraction('3.1415') # conversion from numeric string Fraction(6283, 2000) >>> Fraction('-47e-2') # string may include a decimal exponent Fraction(-47, 100) >>> Fraction(1.47) # direct construction from float (exact conversion) Fraction(6620291452234629, 4503599627370496) >>> Fraction(2.25) Fraction(9, 4) >>> Fraction(Decimal('1.47')) Fraction(147, 100) N� z Invalid literal for Fraction: %r�num�0�denom�decimal�_� � �expr �sign�-z2argument should be a string or a Rational instancez+both arguments should be Rational instanceszFraction(%s, 0))�superr �__new__�type�intr r � isinstance�numbers�Rational� numerator�denominator�floatr �as_integer_ratio�str�_RATIONAL_FORMAT�match� ValueError�group�replace�len� TypeError�ZeroDivisionError�math�gcd)�clsr r r �self�mr r �scaler �g� __class__s ��0/opt/alt/python311/lib64/python3.11/fractions.pyr zFraction.__new__>