;e<lddlZddlZddlmZddlmZddlmZmZddl m Z m Z m Z ddl Z ddlZddlZddlZddlZddlmZddlmZ ddlTn #e$rdZYnwxYw ddlZn #e$rdZYnwxYw ddlZn #e$rdZYnwxYw ej5e_e j5dd lmZdddn #1swxYwYdddn #1swxYwYn #e$rdZYnwxYw ddl Z n #e$rdZ YnwxYwd Z!dddddddddddddddd Z"ere"d =e"d =er- ej#ddde"d<de"d<n#ej$$rYnwxYwdddddddddddddddz ddzfdZ%dZ&e"e"e%e%e%e%dZ'ere'dD]Z(e&e(e'de(<e")Z*e")Z+e"D] Z,e,d vre+e,= e")Z-e"D] Z,e,d!vre-e,= e*e'd"<e*e'd#<e+e'd$<e-e'd%<e-e'd&<dZ.dZ/gdgd'fd$gd(gfd(gd(gfd#d"gd(gfd&d%gd(gfd)Z0d*Z1d+Z2d,Z3d-Z4dhd/Z5d d0Z6d d1Z7d2Z8d3Z9d4e'dDZ:d5Z;d6Zd9Z?d:Z@d;ZAd<ZBd=ZCd>ZDd?ZEd@ZFdAZGdBZHdCZIdDZJdEZKdFZLdGZMdHZNdIZOdJZPdidNZQdOZRdPZSdjdQZTdRZUdkdSZVdTZWdldUZXdVZYdWZZdXZ[dmdZZ\dmd[Z]dnd\Z^dld]Z_d^Z`d_ZadKZbd`Zce!r d`ZadaZbdbZce]ZZe^Z[e_ZejdedcejdeddGdedfejeZfegdgkrejhdSdS)oN)support) os_helper) permutationsproduct) randrangesamplechoice)Decimal)Fraction)*)ndarrayT)?cbBhHiIlLnNfdPrrQqrr)i)i)ri))rllr)rrrrrrrrrrrrrrc|dkrd}nr|dkrd}ni|dkrd}n`|dkr dd z dd zf}nNd D]4} tj|d|zdz n#tj$rY1wxYw|dzr d|z d|zfnd d|zf}|S) zReturn range of a native type.rr"rr rr(rr,r-) r$@? r)structpackerror)fmtlhexps '/usr/lib/python3.11/test/test_buffer.pynative_type_ranger?_s czz      4j!T' ";  C  C!S&!,,,<    $'!G <3iC !QV IsAA"!A")@<>=!rA bBhHiIlLfdBbcm@mar@b)r@123r@)r arraynumpy memoryviewbytefmtc$tt||}|dkrt|g}|dkr|dkrd}|dkrt|}|dks|dkr0t j||}t j||d}|S) zWReturn random item for a type specified by a mode and a single format character.rrPrrrr)rfmtdictbytesboolr8r9unpack)modecharobjxs r> randrange_fmtr^s 74=&'A s{{ 1#JJ '>>a7llA s{{ GG s{{dckk Ka  M$ " "1 % Hc|d\}}g}|D]&}|t|||'t|dkr|dnt |S)zReturn single random item.#r,r)splitappendr^lentuple)r;r\rZcharsr]rs r>gen_itemrgsl))C..KD% A .. tQ,,----q66Q;;1Q44E!HH,r_c|dkrt||Sdg|z}t|D]}t||||<|S)z,Return a list of random items (or a scalar).r)rgrange)rr;r\lstrs r> gen_itemsrksUAvvS!!! #'C 1XX$$#s##A Jr_ctt|t}|dz}|d}t dd}t |D]o}tt t|}tt|t}||t|r|ndzz }|||zz }pt|||} t||} || | fS)Nraambr! r,) r capMODEstriprrirerVMULTintrkrg) rr\rZxfmtr;nmemb_r[ multiplieritemsitems r> struct_itemsrzs #c(4. ! !D #:D **U  C a  E 5\\##eGDM**++CHTN++  *;JJ!<<<= T!" as # #E D#  D t r_r c|%tt|t}|'ttt|}tt|t }|dz|t |r|ndzz}t|||}t||}| d|z|z}|||fS)z"Return random format, items, item.Nrar,rm) r rorprerVrrrsrkrgrq)rr\rZr[rwr;rxrys r> randitemsr|s |c#htn%% |eGDM**++C''J *tc "A**BBB BC ac " "E C  D **U  j (4 /C t r_c#Kt|tD]&}t|D]}t||||V'dS)z1Iterate through supported mode/char combinations.N)rorprVr|)rr\rZr[s r> iter_moder~s\C00DM 0 0DAsD$// / / / / 000r_c#lKt||D]}|V|dkrdSt||VdS)zwYield (format, items, item) for all possible modes and format characters plus one random compound format string.r N)r~rz)nitemstestobjts r> iter_formatrsXvw ' ') vw ' ''''''r_cd|vpd|vpd|vS)Nrrr)r;s r>is_byte_formatrs #: 1 1scz1r_ctt|}|dks|dko|ddko||dz tvS)zformat suitable for memoryviewr,r!rrA)rd MEMORYVIEW)r;r]s r>is_memoryview_formatrsD CA !V 1Q03q6S= # !H "$r_c0g|]}t||Sr)r.0rs r> rs%DDD.2C2CD1DDDr_c.t|t S)z9Tuple items (representing structs) are regarded as atoms. isinstancelistrjs r>atomprs#t$$ $$r_c,t|tSNrrs r>listprs c4  r_cdt|dkrdS|d}|ddD]}||z}|S)zProduct of list elements.rr,N)rd)rjr]vs r>prodrsF 3xx1}}q AA W Q Hr_cH|dkrdS|dkrLt|dd|gz}t|dz ddD]}||xx||dzzcc<nG|gt|ddz}td|D]}||xx||dz zcc<|S)zOCalculate strides of a contiguous array. Layout is 'C' or 'F' (Fortran).rrCr,Nr!)rri)ndimshapeitemsizelayoutstridesrs r>strides_from_shapers qyyr }}uQRRy//XJ.tAvr2&& ' 'A AJJJ'!A#, &JJJJ '*tE#2#J///q$ ' 'A AJJJ'!A#, &JJJJ Nr_c@t|r|St|dkr|dSdg|dz}|drt||dznd}t|dD]-}||z}t||||z|dd||<.|S)zmConvert flat item list to the nested list representation of a multidimensional C array with shape 's'.rr,N)rrdri_ca)rxsrjstriderstarts r>rrs U||  1vv{{Qx #!*C#$Q4 .SZZ1Q4  QF 1Q4[[77&U5v-.!""66A Jr_ct|r|St|dkr|dSdg|dz}|d}t|dD]&}t||d||dd||<'|S)zsConvert flat item list to the nested list representation of a multidimensional Fortran array with shape 's'.rNr,)rrdri_fa)rxrrjrrs r>rr%s U||  1vv{{Qx #!*C qTF 1Q4[[..U19f9%qu--A Jr_ct|r3d|vr/t|t|krtdt ||SNrzprod(shape) != len(items))rrrd ValueErrorrrxrs r>carrayr2M U||6AJJ4;;#e**+D+D4555 ue  r_ct|r3d|vr/t|t|krtdt ||Sr)rrrdrrrs r>farrayr7rr_c,d|D}t|S)z(Generate all possible tuples of indices.c,g|]}t|Srrirrs r>rzindices..>s)))aq)))r_)r)r iterabless r>indicesr<s ))5)))I I r_cVd}t|D]}|||||zz }|S)zAConvert multi-dimensional index to the position in the flat list.rr)rindrretrs r>getindexrAs: C 4[[## wqzCF"" Jr_c<|s|St|}t||dd}t||ddddd}dgt|z}t|D]8}t|||}t||ddd|}||||<9|S)zTranspose flat item list that is regarded as a multi-dimensional matrix defined by shape: dest...[k][j][i] = src[i][j][k]... r,rNrr)rdrrr) srcrrsstridesdstridesdestrfrtos r> transposerHs  u::D!$q#66H!$ddd Q<Du~~ dC * * dC"Ix 0 0r7R Kr_c|gkr|St|r|gSt|dt|ddzS)z flatten listrr,Nr_flattenrs r>rrWsL byy  Szzu CF  hs122w// //r_cBt|r|St|S)zflatten list or return scalarrrs r>flattenr_s! 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