Current File : //usr/local/lib/python2.7/test/test_strtod.pyc
Nac @ s d d l Z d d l Z d d l Z d d l Z d d l Z d d l m Z e e d d d k rv e j d n e j d e j
e j B j Z
d d d
d Z d Z d
e j f d YZ d Z e d k r e n d S( iN( t test_supportt float_repr_stylet t shortsH correctly-rounded string->float conversions not available on this systemsm # A numeric string consists of:
(?P<sign>[-+])? # an optional sign, followed by
(?=\d|\.\d) # a number with at least one digit
(?P<int>\d*) # having a (possibly empty) integer part
(?:\.(?P<frac>\d*))? # followed by an optional fractional part
(?:E(?P<exp>[-+]?\d+))? # and an optional exponent
\Z
i5 ii c C s t | } | d k r' t d n | j d p9 d } t | j d | } t | j d pj d t | } | j d d k } | d t | d
d t d
| } }
| s | r d Sd S| j |
j } | | d
k r | | ?n | | >|
k 7} t | | | } | t | d
>|
t | d
>} }
t | |
\ }
} d
| |
k sd
| |
k r|
d @r|
d 7}
|
j | d k r|
d
}
| d 7} qn |
j | k r| | | k st |
j | k s| | | k st | |
j | k r8| r4d Sd S|
sL| rHd Sd Sd | d
d } d | d
d } |
| >| | }
} d j
| rd n d |
d | |
d | | | d | S( s Convert a finite decimal string to a hex string representing an
IEEE 754 binary64 float. Return 'inf' or '-inf' on overflow.
This function makes no use of floating-point arithmetic at any
stage.s invalid numeric stringt fracR t intt expt 0t signt -i
i s -0x0.0p+0s 0x0.0p+0i i s -inft infi i s {}0x{:x}.{:0{}x}p{:+d}i N( t
strtod_parsert Nonet
ValueErrort groupR t lent maxt
bit_lengtht divmodt AssertionErrort format( t st mant_digt min_expt max_expt mt fractiont intpartR t negativet at bt dt et qt rt hexdigst shift( ( s, /usr/local/lib/python2.7/test/test_strtod.pyt strtod sF %,+(*
(( i
t StrtodTestsc B s e Z d Z d Z d Z d Z d Z d Z d Z e j
d e j d d d
e d Z
d Z d
Z RS( c C s y t | } WnC t k
r? | d d k r6 d n d } n# t k
rU d } n
X| j } t | } | j | | d j | | | d S( s Compare the result of Python's builtin correctly rounded
string->float conversion (using float) to a pure Python
correctly rounded string->float implementation. Fail if the
two methods give different results.i R s -infR
s memory errorsE Incorrectly rounded str->float conversion for {}: expected {}, got {}N( t floatt
OverflowErrort MemoryErrort hexR% t assertEqualR ( t selfR t fst gott expected( ( s, /usr/local/lib/python2.7/test/test_strtod.pyt check_strtodX s
c
C s xd D]} d d | } d d | } | d d k rH | d 7} n x\t t D]N} t j | | d | } } x) | d d k r | d | d } } qz W| d d k s t | | } } x` | d k r(d
j | | } | j | d
j | d | d } | j | | d 9} q W| | } } xj | d k rd
j | | } | j | d
j | d | d } | j | | d 9} | d 8} q9WqU Wq Wd S( Ni i i
i i i i6 i5 i i i i s {}e{}i( ( i i i
i i I @ I I I ( i i i i l Fx:^V l Ozpc l Fx:^V l Ozpc ( t xranget TEST_SIZEt randomt randrangeR R R0 (
R, t kt uppert lowert it nR t digitst exponentR ( ( s, /usr/local/lib/python2.7/test/test_strtod.pyt test_short_halfway_casesk s2
c C s x t d t D] } t j d d
} t | d \ } } | r] | d | d } } n | d 8} d | d | d } } | d k r | | >} d } n | d | } | } d j | | } | j | q Wd S(
Nid i i i4 i i2 i i s {}e{}I I I ( R1 R2 R3 R4 R R R0 ( R, R8 t bitsR R R: R; R ( ( s, /usr/local/lib/python2.7/test/test_strtod.pyt test_halfway_cases s
c C s d d d d g } x | D] \ } } } xu t d D]g } | t j d | d
| } | } d j | | } | j | | d 9} | d 9} | d 8} q5 Wq Wd S( Nl 9V iiV l %o$CK i! i l jT& iiM i i ii s {}e{}i
i ( l 9V iiV ( l %o$CK i! i ( l jT& iiM ( i iiM ( R1 R3 R4 R R0 ( R, t
boundariesR9 R t ut jR: R; R ( ( s, /usr/local/lib/python2.7/test/test_strtod.pyt test_boundaries s
c C sy xr t d d D]a } d | d } xI t t D]; } | t j d d } d j | | } | j | q2 Wq Wd S(
Nipii
i i3 ii s {}e{}lH ( R1 R2 R3 R4 R R0 ( R, R; t baseRA R: R ( ( s, /usr/local/lib/python2.7/test/test_strtod.pyt test_underflow_boundary s c C sz xs d D]k } d | } xX t d t D]F } t j | } t j d
d } d j | | } | j | q( Wq Wd S( Ni i
i i i i i i i i( i) i2 ipi s {}e{}( i i
i i i i i i i i( i) i2 ( R1 R2 R3 R4 R R0 ( R, t ndigst dig10R8 R: R; R ( ( s, /usr/local/lib/python2.7/test/test_strtod.pyt test_bigcomp s
c s d d } xt d D]} xt t D]z} t j | } t j d } | d j f d t | D 7} t j t t g r | d 7} t j d } | d j f d t | D 7} n d
} t j t t g rX| t j d d g 7} | t j | 7} t j d
d } | d j f d t | D 7} n | | rr| j | q, y t | Wn t
k
rq, Xt s, t d q, Wq Wd S( Nt 000000123456789t +R R i i c 3 s | ] } t j Vq d S( N( R3 t choice( t .0t _( R: ( s, /usr/local/lib/python2.7/test/test_strtod.pys <genexpr> s t .c 3 s | ] } t j Vq d S( N( R3 RJ ( RK RL ( R: ( s, /usr/local/lib/python2.7/test/test_strtod.pys <genexpr> s i R t Ei i c 3 s | ] } t j Vq d S( N( R3 RJ ( RK RL ( R: ( s, /usr/local/lib/python2.7/test/test_strtod.pys <genexpr> s s expected ValueError( RI R R ( R1 R2 R3 RJ R4 t joint Truet FalseR0 R' R
R ( R, t signsR8 RA R t intpart_lent fracpart_lent exponent_len( ( R: s, /usr/local/lib/python2.7/test/test_strtod.pyt test_parsing s4 )
t sizet memusei t dry_runc C sv d d t d } | j t t | Wd QX~ d d t d d } | j t t | Wd QX~ d S( Ns 1.t 1g *dAs 0.R ( R t assertRaisesR
R' ( R, t maxsizeR ( ( s, /usr/local/lib/python2.7/test/test_strtod.pyt test_oversized_digit_strings s c C s d } d } | j t | d d | j t | d d | j t | d d | j t | d d | j t | d d | j t | d d d S( Nc S s d j d | d | S( s* Long string with value 1.0 and exponent ns 0.{}1e+{}R i ( R ( R9 ( ( s, /usr/local/lib/python2.7/test/test_strtod.pyt positive_exp
s c S s d j d | | S( s+ Long string with value 1.0 and exponent -ns 1{}e-{}R ( R ( R9 ( ( s, /usr/local/lib/python2.7/test/test_strtod.pyt negative_exp s i' g ?i N i0u ( R+ R' ( R, R^ R_ ( ( s, /usr/local/lib/python2.7/test/test_strtod.pyt test_large_exponents
s c + C s d d d d d d d d d d
d d d
d d d d d d d d d d d d d d d d d d d d! d" d# d$ d% d& d' d( d) d* d+ g+ } x | D] } | j | q Wd S(, Ns0 2183167012312112312312.23538020374420446192e-370s7 12579816049008305546974391768996369464963024663104e-357s7 17489628565202117263145367596028389348922981857013e-357s7 18487398785991994634182916638542680759613590482273e-357s7 32002864200581033134358724675198044527469366773928e-358s7 94393431193180696942841837085033647913224148539854e-358s7 73608278998966969345824653500136787876436005957953e-358s7 64774478836417299491718435234611299336288082136054e-358s7 13704940134126574534878641876947980878824688451169e-357s7 46697445774047060960624497964425416610480524760471e-358s7 28639097178261763178489759107321392745108491825303e-311s 1.00000000000000001e44s- 1.0000000000000000100000000000000000000001e44s3 99999999999999994487665465554760717039532578546e-47to 9654371763336549317990355136719971183455700459144696213413350821416312194420007991306908470147322020121018368e0s 104308485241983990666713401708072175773165034278685682646111762292409330928739751702404658197872319129036519947435319418387839758990478549477777586673075945844895981012024387992135617064532141489278815239849108105951619997829153633535314849999674266169258928940692239684771590065027025835804863585454872499320500023126142553932654370362024104462255244034053203998964360882487378334860197725139151265590832887433736189468858614521708567646743455601905935595381852723723645799866672558576993978025033590728687206296379801363024094048327273913079612469982585674824156000783167963081616214710691759864332339239688734656548790656486646106983450809073750535624894296242072010195710276073042036425579852459556183541199012652571123898996574563824424330960027873516082763671875e-1075s 247032822920623295e-341s7 99037485700245683102805043437346965248029601286431e-373s7 99617639833743863161109961162881027406769510558457e-373s7 98852915025769345295749278351563179840130565591462e-372s7 99059944827693569659153042769690930905148015876788e-373s7 98914979205069368270421829889078356254059760327101e-372s, 1000000000000000000000000000000000000000e-16s- 10000000000000000000000000000000000000000e-17s= 991633793189150720000000000000000000000000000000000000000e-33s; 4106250198039490000000000000000000000000000000000000000e-38s* 10.900000000000000012345678912345678912345s 11651287494059419563861790709256988151903479322938522856916519154189084656466977171489691608488398792047332126810029685763620092606534076968286334920536334924763766067178320990794927368304039797998410780646182269333271282839761794603623958163297658510063352026077076106072540390412314438457161207373275477458821194440646557259102208197382844892733860255628785183174541939743301249188486945446244053689504749943655197464973191717009938776287102040358299419343976193341216682148401588363162253931420379903449798213003874174172790742957567330246138038659650118748200625752770984217933648838167281879845022933912352785884444833681591202045229462491699354638895656152216187535257259042082360747878839946016222830869374205287663441403533948204085390898399055004119873046875e-1075s^ 5254406533529552661096610603582028195612589849649138922565278497589560452182570597137658742514361936194432482059988700016338656575174473559922258529459120166686600002102838072098506622244175047522649953606315120077538558010753730576321577387528008403025962370502479105305382500086822727836607781816280407336531214924364088126680234780012085291903592543223403975751852488447885154107229587846409265285440430901153525136408849880173424692750069991045196209464308187671479664954854065777039726878381767789934729895619590000470366389383963331466851379030183764964083197053338684769252973171365139701890736933147103189912528110505014483268752328506004517760913030437151571912928276140468769502257147431182910347804663250851413437345649151934269945872064326973371182115272789687312946393533547747886024677951678751174816604738791256853675690543663283782215866825e-1180t3 2602129298404963083833853479113577253105939995688e2t5 260212929840496308383385347911357725310593999568896e0s8 26021292984049630838338534791135772531059399956889601e-2t5 260212929840496308383385347911357725310593999568895e0t5 260212929840496308383385347911357725310593999568897e0t5 260212929840496308383385347911357725310593999568996e0t5 260212929840496308383385347911357725310593999568866e0s 9007199254740992.00t5 179769313486231580793728971405303415079934132710037826936173778980444968292764750946649017977587207096330286416692887910946555547851940402630657488671505820681908902000708383676273854845817711531764475730270069855571366959622842914819860834936475292719074168444365510704342711559699508093042880177904174497792s9 179769313486231580793728971405303415079934132710037826936173778980444968292764750946649017977587207096330286416692887910946555547851940402630657488671505820681908902000708383676273854845817711531764475730270069855571366959622842914819860834936475292719074168444365510704342711559699508093042880177904174497791.999s9 179769313486231580793728971405303415079934132710037826936173778980444968292764750946649017977587207096330286416692887910946555547851940402630657488671505820681908902000708383676273854845817711531764475730270069855571366959622842914819860834936475292719074168444365510704342711559699508093042880177904174497792.001s: 999999999999999944488848768742172978818416595458984375e-54sA 9999999999999999444888487687421729788184165954589843749999999e-54sA 9999999999999999444888487687421729788184165954589843750000001e-54( R0 ( R, t test_stringsR ( ( s, /usr/local/lib/python2.7/test/test_strtod.pyt test_particular sZ
( t __name__t
__module__R0 R< R> RB RD RG RV R t precisionbigmemtestt _2GRQ R] R` Rj ( ( ( s, /usr/local/lib/python2.7/test/test_strtod.pyR& W s + $
c C s t j t d S( N( R t run_unittestR& ( ( ( s, /usr/local/lib/python2.7/test/test_strtod.pyt test_main s t __main__( R3 t structt unittestt ret syst testR t getattrt SkipTestt compilet VERBOSEt
IGNORECASEt matchR R% R2 t TestCaseR& Rp Rk ( ( ( s, /usr/local/lib/python2.7/test/test_strtod.pyt <module> s 9 U
Mini Shell