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d � Z d � Z d S( s8 General floating point formatting functions.
Functions:
fix(x, digits_behind)
sci(x, digits_behind)
Each takes a number or a string and a number of digits as arguments.
Parameters:
x: number to be formatted; or a string resembling a number
digits_behind: number of digits behind the decimal point
i����( t warnpy3ks2 the fpformat module has been removed in Python 3.0t
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NotANumbers- ^([-+]?)0*(\d*)((?:\.\d*)?)(([eE][-+]?\d+)?)$c B s e Z RS( ( t __name__t
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sign is '+' or '-'
intpart is 0 or more digits beginning with a nonzero
fraction is 0 or more digits
expo is an integeri i i i t +t i N( t decodert matcht NoneR t groupt int( t st rest signt intpartt fractiont exppartt expo( ( s /usr/lib64/python2.7/fpformat.pyt extract# s $
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c C s[ t | � } | | k r. | | d | | f St | � } | | d k rY d | d f S| | } | | | } | d k r&| | d } xH | d k r� | | d k r� Pn | d } q� Wd | } | d } d } | | t t | | � d � d t | � | d } | | | | } } n | d k r@| | | f S| | d | d f Sd S( s* Round or extend the fraction to size digs.R i R t 5i t 9N( R t chrt ord( R R t digsR R t totalt nextdigitt n( ( s /usr/lib64/python2.7/fpformat.pyt roundfrac@ s,
8 c C s� t | � t d � k r' t | � } n y t | � \ } } } } Wn t k
rW | SXt | | | � \ } } t | | | � \ } } x$ | r� | d d k r� | d } q� W| d k r� d } n | d k r� | | d | S| | Sd S( s� Format x as [-]ddd.ddd with 'digs' digits after the point
and at least one digit before.
If digs <= 0, the point is suppressed.R i R i t .N( t typet reprR R R R# ( t xR R R R R ( ( s /usr/lib64/python2.7/fpformat.pyR Z s
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| S( s� Format x as [-]d.dddE[+-]ddd with 'digs' digits after the point
and exactly one digit before.
If digs is <= 0, one digit is kept and the point is suppressed.R i R i i����R$ i t -R t e( R% R& R R t maxR# t abs( R' R R R R R R R) ( ( s /usr/lib64/python2.7/fpformat.pyR j s6
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rT n Xd S( s Interactive test run.s Enter (x, digs): N( t inputR R t EOFErrort KeyboardInterrupt( R' R ( ( s /usr/lib64/python2.7/fpformat.pyt test� s &( t __doc__t warningsR t ret __all__t compileR t
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