| @@ -41,101 +41,12 @@ abj.has_edge = function(a, b) { | |||
| return Object.prototype.hasOwnProperty.call(abj.adj[a], b); | |||
| }; | |||
| abj.toggle_edge = function(a, b) { | |||
| if (abj.has_edge(a, b)) { | |||
| abj.del_edge(a, b); | |||
| } else { | |||
| abj.add_edge(a, b); | |||
| } | |||
| }; | |||
| abj.get_swap = function(node, avoid) { | |||
| for (var i in abj.adj[node]) { | |||
| if (i != avoid) { | |||
| return i; | |||
| } | |||
| } | |||
| return avoid; | |||
| }; | |||
| abj.remove_vop = function(node, avoid) { | |||
| var swap_qubit = abj.get_swap(node, avoid); | |||
| var decomposition = tables.decompositions[abj.node[node].vop]; | |||
| for (var i = decomposition.length - 1; i >= 0; --i) { | |||
| var v = decomposition[i]; | |||
| abj.local_complementation(v == "x" ? node : swap_qubit); | |||
| } | |||
| }; | |||
| abj.local_complementation = function(node) { | |||
| // TODO: inefficient | |||
| var done = {}; | |||
| for (var i in abj.adj) { | |||
| for (var j in abj.adj[i]) { | |||
| var name = i>j ? [i,j] : [j,i]; | |||
| if (done[name]===false){ | |||
| abj.toggle_edge(i, j); | |||
| done[name] = true; | |||
| } | |||
| } | |||
| abj.node[i].vop = tables.times_table[abj.node[i].vop][6]; | |||
| } | |||
| abj.node[node].vop = tables.times_table[abj.node[node].vop][14]; | |||
| }; | |||
| abj.act_local_rotation = function(node, operation) { | |||
| var rotation = tables.clifford[operation]; | |||
| abj.node[node].vop = tables.times_table[rotation][abj.node[node].vop]; | |||
| }; | |||
| abj.act_hadamard = function(node) { | |||
| abj.act_local_rotation(node, 10); | |||
| }; | |||
| abj.is_sole_member = function(group, node) { | |||
| // TODO: this is slow as heck | |||
| var keys = Object.keys(group); | |||
| return keys.length == 1 && keys[0] == node; | |||
| }; | |||
| abj.act_cz = function(a, b) { | |||
| if (abj.is_sole_member(abj.adj[a], b)) { | |||
| abj.remove_vop(a, b); | |||
| } | |||
| if (abj.is_sole_member(abj.adj[b], a)) { | |||
| abj.remove_vop(b, a); | |||
| } | |||
| if (abj.is_sole_member(abj.adj[a], b)) { | |||
| abj.remove_vop(a, b); | |||
| } | |||
| var edge = abj.has_edge(a, b); | |||
| var new_state = tables.cz_table[edge ? 1 : 0][abj.node[a].vop][abj.node[b].vop]; | |||
| abj.node[a].vop = new_state[1]; | |||
| abj.node[b].vop = new_state[2]; | |||
| if (new_state[0] != edge) { | |||
| abj.toggle_edge(a, b); | |||
| } | |||
| }; | |||
| abj.edgelist = function() { | |||
| var seen = {}; | |||
| var output = []; | |||
| for (var i in abj.adj) { | |||
| for (var j in abj.adj[i]) { | |||
| if (!Object.prototype.hasOwnProperty.call(seen, j)) { | |||
| output.push([i, j]); | |||
| } | |||
| } | |||
| seen[i] = true; | |||
| } | |||
| return output; | |||
| }; | |||
| abj.log_graph_state = function() { | |||
| console.log(JSON.stringify(abj.node)); | |||
| console.log(JSON.stringify(abj.adj)); | |||
| }; | |||
| abj.update = function(newState) { | |||
| abj.node = newState.node; | |||
| abj.adj = newState.adj; | |||