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Add circuit writer, combine A and M specification (#185)
Address action items from this week's meeting #182 --------- Co-authored-by: rryoung98 <32727721+rryoung98@users.noreply.github.com> Co-authored-by: rryoung98 <ritsukiyoung98@gmail.com>
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,142 @@ | ||
| /* eslint-disable import/no-extraneous-dependencies */ | ||
| /* eslint-disable no-shadow */ | ||
| /* eslint-disable no-plusplus */ | ||
| /* eslint-disable camelcase */ | ||
|
|
||
| import qubitLabels from '../qubits/Qubit'; | ||
|
|
||
| const { sprintf } = require('sprintf-js'); | ||
|
|
||
| export const CircuitForm = Object.freeze({ | ||
| CNOT: Symbol('CNOT'), | ||
| UNIV: Symbol('UNIV'), | ||
| }); | ||
|
|
||
| const FMT_STR = '%10s'; | ||
|
|
||
| /** | ||
| * Create the circuit as ASCII art. | ||
| * | ||
| * Two forms of circuits are possible: | ||
| * | ||
| * [] "cnot" | ||
| * - Hadamard on the data qubits | ||
| * - only CNOT as 2q gates | ||
| * - every CNOT is controlled by a data qubit and targets the ancilla | ||
| * | ||
| * [] "univ" | ||
| * - Hadamard on the ancilla qubit | ||
| * - both CNOT and CZ as 2q gates | ||
| * - every CNOT/CZ is controlled by the ancilla and targets a data qubit | ||
| * @function createCircuitAsciiArt | ||
| * @param {Array} data_qubits - The data qubits. | ||
| * @param {Object} anc_qubit - The ancilla qubit. | ||
| * @param {boolean} [withTime=false] | ||
| * @param {CircuitForm} [inputForm=CircuitForm.UNIV] | ||
| */ | ||
| export function createCircuitAsciiArt( | ||
| data_qubits, | ||
| anc_qubit, | ||
| withTime = false, | ||
| inputForm = CircuitForm.UNIV | ||
| ) { | ||
| const { CNOT, UNIV } = CircuitForm; | ||
| const { cx, cz } = qubitLabels; | ||
| let form = inputForm; | ||
| if (form !== CNOT) { | ||
| form = UNIV; | ||
| } | ||
| const lines = []; | ||
| // Add lines for every data qubit. | ||
| let idx = 0; | ||
| data_qubits.forEach((qubit) => { | ||
| let line = sprintf('f: ----'.replace('f', FMT_STR), qubit.name.replace('Qubit', 'Q')); | ||
| // Local change of basis | ||
| if (form === CNOT) { | ||
| if (qubit.label === cx) line += '-H--'; | ||
| if (qubit.label === cz) line += '----'; | ||
| } else if (form === UNIV) { | ||
| line += '----'; | ||
| } | ||
| // Previous CNOTs | ||
| for (let i = 0; i < idx; i++) { | ||
| line += '-|--'; | ||
| } | ||
| // Current CNOT | ||
| if (form === CNOT) { | ||
| line += '-*--'; | ||
| } else if (form === UNIV) { | ||
| if (qubit.label === cx) line += '-X--'; | ||
| if (qubit.label === cz) line += '-*--'; | ||
| } | ||
| // Next CNOTs | ||
| for (let i = idx + 1; i < data_qubits.length; i++) { | ||
| line += '----'; | ||
| } | ||
| // Change of basis | ||
| if (form === CNOT) { | ||
| if (qubit.label === cx) line += '-H--'; | ||
| if (qubit.label === cz) line += '----'; | ||
| } else if (form === UNIV) { | ||
| line += '----'; | ||
| } | ||
| // End | ||
| line += '----'; | ||
| lines.push(line); | ||
|
|
||
| // Empty line with only vertical bars. | ||
| // Q(__,__): ---- | ||
| line = ' '; | ||
| line += ' '; | ||
| // Previous CNOTs and current one | ||
| for (let i = 0; i < idx + 1; i++) { | ||
| line += ' | '; | ||
| } | ||
| // Next CNOTs | ||
| for (let i = idx + 1; i < data_qubits.length; i++) { | ||
| line += ' '; | ||
| } | ||
| line += ' '; | ||
| lines.push(line); | ||
| idx += 1; | ||
| }); | ||
| // Add line for the ancilla qubit. | ||
| let line = sprintf('f: |0>'.replace('f', FMT_STR), anc_qubit.name.replace('Qubit', 'Q')); | ||
| if (form === CNOT) { | ||
| line += '----'; // During the change of basis | ||
| } else if (form === UNIV) { | ||
| line += '-H--'; | ||
| } | ||
| for (let i = 0; i < data_qubits.length; i++) { | ||
| if (form === CNOT) { | ||
| line += '-X--'; | ||
| } else if (form === UNIV) { | ||
| line += '-*--'; | ||
| } | ||
| } | ||
| if (form === CNOT) { | ||
| line += '---- D~ '; | ||
| } else if (form === UNIV) { | ||
| line += '-H-- D~ '; | ||
| } | ||
| lines.push(line); | ||
| // Add time ruler. | ||
| if (withTime) { | ||
| // Q(__,__): | ||
| line = ' '; | ||
| let line2 = 'time ruler'; | ||
| for (let i = 0; i < data_qubits.length + 4; i++) { | ||
| line += '___ '; | ||
| line2 += ` ${i} `; | ||
| } | ||
| lines.push(line); | ||
| lines.push(line2); | ||
| } | ||
| // Create the message | ||
| let art = ''; | ||
| lines.slice(0, -1).forEach((line) => { | ||
| art = `${art + line}\n`; | ||
| }); | ||
| art += lines[lines.length - 1]; | ||
| return art; | ||
| } |
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