ó ¡¼™\c@sâdZdgZddlmZmZmZmZmZmZm Z m Z m Z m Z ddl mZd„Zd„Zd„Zd„Zd „Zd „Zd „Zd „Zd „Zd„Zd„Zdefd„ƒYZdS(sê qasm.py - Functions to parse a set of qasm commands into a Sympy Circuit. Examples taken from Chuang's page: http://www.media.mit.edu/quanta/qasm2circ/ The code returns a circuit and an associated list of labels. >>> from sympy.physics.quantum.qasm import Qasm >>> q = Qasm('qubit q0', 'qubit q1', 'h q0', 'cnot q0,q1') >>> q.get_circuit() CNOT(1,0)*H(1) >>> q = Qasm('qubit q0', 'qubit q1', 'cnot q0,q1', 'cnot q1,q0', 'cnot q0,q1') >>> q.get_circuit() CNOT(1,0)*CNOT(0,1)*CNOT(1,0) tQasmiÿÿÿÿ( tHtCNOTtXtZtCGatetCGateStSWAPtStTtCPHASE(tMzcCst|jƒŒS(N(Rt splitlines(tlines((s9lib/python2.7/site-packages/sympy/physics/quantum/qasm.pyt read_qasmscCstt|ƒjƒŒS(N(Rtopent readlines(tfilename((s9lib/python2.7/site-packages/sympy/physics/quantum/qasm.pytread_qasm_filescCs%d}x|D]}||9}q W|S(Ni((tctptci((s9lib/python2.7/site-packages/sympy/physics/quantum/qasm.pytprod s cCs ||dS(s­Reorder qubit indices from largest to smallest. >>> from sympy.physics.quantum.qasm import flip_index >>> flip_index(0, 2) 1 >>> flip_index(1, 2) 0 i((titn((s9lib/python2.7/site-packages/sympy/physics/quantum/qasm.pyt flip_index&s cCs!d|kr|S|jdƒdS(sìRemove everything following comment # characters in line. >>> from sympy.physics.quantum.qasm import trim >>> trim('nothing happens here') 'nothing happens here' >>> trim('something #happens here') 'something ' t#i(tsplit(tline((s9lib/python2.7/site-packages/sympy/physics/quantum/qasm.pyttrim1s cCs"t|ƒ}t|j|ƒ|ƒS(sÔGet qubit labels from the rest of the line,and return indices >>> from sympy.physics.quantum.qasm import get_index >>> get_index('q0', ['q0', 'q1']) 1 >>> get_index('q1', ['q0', 'q1']) 0 (tlenRtindex(ttargettlabelstnq((s9lib/python2.7/site-packages/sympy/physics/quantum/qasm.pyt get_index>s cCs g|D]}t||ƒ^qS(N(R#(ttargetsR!tt((s9lib/python2.7/site-packages/sympy/physics/quantum/qasm.pyt get_indicesJsccs8x1|D])}t|ƒ}|jƒr+qn|VqWdS(N(Rtisspace(targsR((s9lib/python2.7/site-packages/sympy/physics/quantum/qasm.pytnonblankMs     cCsU|jƒ}dj|dƒ}t|dƒg|jdƒD]}|jƒ^q<fS(Nt iit,(Rtjoint fixcommandtstrip(Rtwordstrestts((s9lib/python2.7/site-packages/sympy/physics/quantum/qasm.pyt fullsplitUs cCsLdg}|jƒ}x |D]}|j|dƒ}qW|dkrHdS|S(swFix Qasm command names. Remove all of forbidden characters from command c, and replace 'def' with 'qdef'. t-ttdeftqdef(tlowertreplace(Rtforbidden_characterstchar((s9lib/python2.7/site-packages/sympy/physics/quantum/qasm.pyR-Zs    cCs(|jddƒ}|jddƒ}|S(säReplace explicit quotes in a string. >>> from sympy.physics.quantum.qasm import stripquotes >>> stripquotes("'S'") == 'S' True >>> stripquotes('"S"') == 'S' True >>> stripquotes('S') == 'S' True t"R4t'(R8(R1((s9lib/python2.7/site-packages/sympy/physics/quantum/qasm.pyt stripquoteshs cBsàeZdZd„Zd„Zd„Zd„Zd„Zdd„Z d„Z d„Z d „Z d „Z d „Zd „Zd „Zd„Zd„Zd„Zd„Zd„Zd„Zd„Zd„Zd„Zd„ZRS(sVClass to form objects from Qasm lines >>> from sympy.physics.quantum.qasm import Qasm >>> q = Qasm('qubit q0', 'qubit q1', 'h q0', 'cnot q0,q1') >>> q.get_circuit() CNOT(1,0)*H(1) >>> q = Qasm('qubit q0', 'qubit q1', 'cnot q0,q1', 'cnot q1,q0', 'cnot q0,q1') >>> q.get_circuit() CNOT(1,0)*CNOT(0,1)*CNOT(1,0) cOs>i|_g|_g|_i|_|j|Œ||_dS(N(tdefstcircuitR!tinitstaddtkwargs(tselfR(RB((s9lib/python2.7/site-packages/sympy/physics/quantum/qasm.pyt__init__‚s      cGsçxàt|ƒD]Ò}t|ƒ\}}|jj|ƒr«|jj|ƒ}|j|ƒ}t|ƒdkr‡|jj||dƒƒqß|jj||d |dƒƒq t||ƒrÖt ||ƒ}||Œq d|GHq WdS(Niiiÿÿÿÿs!Function %s not defined. Skipping( R)R2R>tgettindicesRR?tappendthasattrtgetattr(RCR RtcommandR0tfunctionRF((s9lib/python2.7/site-packages/sympy/physics/quantum/qasm.pyRAŠs$ cCstt|jƒƒS(N(RtreversedR?(RC((s9lib/python2.7/site-packages/sympy/physics/quantum/qasm.pyt get_circuitšscCstt|jƒƒS(N(tlistRLR!(RC((s9lib/python2.7/site-packages/sympy/physics/quantum/qasm.pyt get_labelsscCsOddlm}|jƒ|jƒ}}||t|ƒd|d|jƒdS(Niÿÿÿÿ(t CircuitPlotR!R@(t!sympy.physics.quantum.circuitplotRPRMRORR@(RCRPR?R!((s9lib/python2.7/site-packages/sympy/physics/quantum/qasm.pytplot scCs*|jj|ƒ|r&||j||j||gƒ\}}|jjt|t|ƒƒƒdS(N(RFR?RGRR(RCR[R\tfitfj((s9lib/python2.7/site-packages/sympy/physics/quantum/qasm.pytcxÑscCs>|j||gƒ\}}|jjt|t|ƒƒƒdS(N(RFR?RGRR(RCR[R\ReRf((s9lib/python2.7/site-packages/sympy/physics/quantum/qasm.pytczÕscGsd|fGHdS(Ns$defbox not supported yet. Skipping: ((RCR(((s9lib/python2.7/site-packages/sympy/physics/quantum/qasm.pytdefboxÙscCssddlm}m}t|ƒ}t|ƒ}t|ƒ}|dkr\||ƒ|j|(RCtnamet ncontrolstsymbolRjRkRJ((s9lib/python2.7/site-packages/sympy/physics/quantum/qasm.pyR6Üs    N(t__name__t __module__t__doc__RDRARMRORRtNoneRURFRRVRWRXRYR1R%RZR]R^R_RdRgRhRiR6(((s9lib/python2.7/site-packages/sympy/physics/quantum/qasm.pyRws0                       N(Rrt__all__tsympy.physics.quantum.gateRRRRRRRRR R RQR RRRRRR#R&R)R2R-R=tobjectR(((s9lib/python2.7/site-packages/sympy/physics/quantum/qasm.pyts F