ó õ^‚Rc@sĮdZddlmZedddƒ[ddlZddd gZejd ƒZyd efd „ƒYZWne k r†d ZnXd „Z d„Z d„Z d„Z d„Zd„ZdS(s8General 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’’’’(twarnpy3ks2the fpformat module has been removed in Python 3.0t stackleveliNtfixtscit NotANumbers-^([-+]?)0*(\d*)((?:\.\d*)?)(([eE][-+]?\d+)?)$cBseZRS((t__name__t __module__(((s/usr/lib/python2.7/fpformat.pyRssfpformat.NotANumbercCs¢tj|ƒ}|dkr't|‚n|jddddƒ\}}}}|dkr`d}n|rs|d}n|rŒt|dƒ}nd}||||fS( sÅReturn (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 integeriiiit+tiN(tdecodertmatchtNoneRtgrouptint(tstrestsigntintparttfractiontexpparttexpo((s/usr/lib/python2.7/fpformat.pytextract#s $  cCs¶|dkrUt|ƒ}||| ||}}||kr¬|d||}q¬nW|dkr¬t|ƒ}|| |||}}|| kr¬d| ||}q¬n||fS(s5Remove the exponent by changing intpart and fraction.it0(tlen(RRRtfti((s/usr/lib/python2.7/fpformat.pytunexpo2s      cCs[t|ƒ}||kr.||d||fSt|ƒ}||dkrYd| dfS||}|||}|dkr&||d}xH|dkr»||dkr®Pn|d}qŽWd|}|d}d}|| tt||ƒdƒdt|ƒ|d}|| ||}}n|dkr@||| fS|| d| dfSdS(s*Round or extend the fraction to size digs.RiRt5it9N(Rtchrtord(RRtdigsRRttotalt nextdigittn((s/usr/lib/python2.7/fpformat.pyt roundfrac@s,       8 cCsģt|ƒtdƒkr't|ƒ}nyt|ƒ\}}}}Wntk rW|SXt|||ƒ\}}t|||ƒ\}}x$|r®|ddkr®|d}q‹W|dkrÄd}n|dkrą||d|S||SdS(s‡Format x as [-]ddd.ddd with 'digs' digits after the point and at least one digit before. If digs <= 0, the point is suppressed.RiRit.N(ttypetreprRRRR#(txRRRRR((s/usr/lib/python2.7/fpformat.pyRZs   cCsĀt|ƒtdƒkr't|ƒ}nt|ƒ\}}}}|s§x.|ru|ddkru|d}|d}qHW|rž|d|d}}|d}qŌd}n-|t|ƒd}|d|d|}}td|ƒ}t|||ƒ\}}t|ƒdkrB|d|d|d |t|ƒd}}}n||}|dkri|d|}ntt|ƒƒ}ddt|ƒ|}|dkr¬d|}n d |}|d |S( s„Format x as [-]d.dddE[+-]ddd with 'digs' digits after the point and exactly one digit before. If digs is <= 0, one digit is kept and the point is suppressed.RiRii’’’’R$it-Rte(R%R&RRtmaxR#tabs(R'RRRRRRR)((s/usr/lib/python2.7/fpformat.pyRjs6       cCsYy;x4tdƒ\}}|Gt||ƒGt||ƒGHqWnttfk rTnXdS(sInteractive test run.sEnter (x, digs): N(tinputRRtEOFErrortKeyboardInterrupt(R'R((s/usr/lib/python2.7/fpformat.pyttestŠs &(t__doc__twarningsRtret__all__tcompileR t ValueErrorRt TypeErrorRRR#RRR/(((s/usr/lib/python2.7/fpformat.pyt s