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Remove useless functions from anders_briegel.js

master
Pete Shadbolt 7 years ago
parent
commit
6c42ca2b3c
1 changed files with 0 additions and 89 deletions
  1. +0
    -89
      abp/static/scripts/anders_briegel.js

+ 0
- 89
abp/static/scripts/anders_briegel.js View File

@@ -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;


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