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� �mec @ s� d Z d d l m Z e d d d �[ d d l Z d d d g Z e j d � Z y d e f d � � YZ Wn e k r� d Z n Xd � Z d � Z d � Z d � Z 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 stackleveli Nt fixt scit NotANumbers- ^([-+]?)0*(\d*)((?:\.\d*)?)(([eE][-+]?\d+)?)$c B s e Z RS( ( t __name__t __module__( ( ( s /usr/lib64/python2.7/fpformat.pyR s s fpformat.NotANumberc C s� t j | � } | d k r' t | � n | j d d d d � \ } } } } | d k r` d } n | rs | d } n | r� t | d � } n d } | | | | f S( s� Return (sign, intpart, fraction, expo) or raise an exception: 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 $ c C s� | d k rU t | � } | | | | | } } | | k r� | d | | } q� nW | d k r� t | � } | | | | | } } | | k r� d | | | } q� n | | f S( s5 Remove the exponent by changing intpart and fraction.i t 0( t len( R R R t ft i( ( s /usr/lib64/python2.7/fpformat.pyt unexpo2 s 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 c C s� t | � t d � k r' t | � } n t | � \ } } } } | s� x. | ru | d d k ru | d } | d } qH W| r� | d | d } } | d } q� d } n- | t | � d } | d | d | } } t d | � } t | | | � \ } } t | � d k rB| d | d | d | t | � d } } } n | | } | d k ri| d | } n t t | � � } d d t | � | } | d k r�d | } n d | } | d | 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 c C sY y; x4 t d � \ } } | Gt | | � Gt | | � GHq Wn t t f k 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 ValueErrorR t TypeErrorR R R# R R R/ ( ( ( s /usr/lib64/python2.7/fpformat.pyt <module> s