qukit/pkg.web-parallel/gates/swap.js

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import * as WasmLib from "../pkg/qukit";
export function swap(qbits0, qbits1, cControl, sameStep = false) {
    if (Array.isArray(qbits0) && Array.isArray(qbits1)) {
        const minLen = Math.min(qbits0.length, qbits1.length);
        if (minLen > 0) {
            swap(qbits0[0], qbits1[0], cControl, sameStep);
        }
        for (let i = 1; i < minLen; i++) {
            swap(qbits0[i], qbits1[i], cControl, sameStep);
        }
    }
    else {
        if (!Array.isArray(qbits0) && !Array.isArray(qbits1)) {
            if (cControl !== null && cControl !== undefined) {
                if (sameStep) {
                    WasmLib.swap_same_step_classically_controlled(qbits0, qbits1, cControl);
                }
                else {
                    WasmLib.swap_classically_controlled(qbits0, qbits1, cControl);
                }
            }
            else {
                if (sameStep) {
                    WasmLib.swap_same_step(qbits0, qbits1);
                }
                else {
                    WasmLib.swap(qbits0, qbits1);
                }
            }
        }
        else {
            throw new Error("type mismatch");
        }
    }
}