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code.js
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72 lines (61 loc) · 1.7 KB
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logger._print('original array = [' + D.join(', ') + ']');
var N = D.length;
var writes = 0;
var pos;
var item;
var temp;
for (var cycleStart = 0; cycleStart <= N - 2; cycleStart++) {
item = D[cycleStart];
pos = cycleStart;
tracer._select(cycleStart);
for (var i = cycleStart + 1; i <= N - 1; i++) {
tracer._select(i)._wait()._deselect(i);
if (D[i] < item) {
pos++;
}
}
if (pos == cycleStart) {
tracer._deselect(cycleStart);
continue;
}
while (item == D[pos]) {
pos++;
}
temp = D[pos];
D[pos] = item;
item = temp;
if (pos !== cycleStart) {
logger._print('Rewrite ' + D[pos] + ' to index ' + pos + '; the next value to rewrite is ' + item);
} else {
logger._print('Rewrite ' + D[pos] + ' to index ' + pos);
}
tracer._select(pos)._wait()._deselect(pos);
tracer._notify(pos, D[pos])._notify(cycleStart, D[cycleStart])._wait();
tracer._denotify(pos)._denotify(cycleStart);
while (pos != cycleStart) {
pos = cycleStart;
for (i = cycleStart + 1; i <= N - 1; i++) {
tracer._select(i)._wait()._deselect(i);
if (D[i] < item) {
pos++;
}
}
while (item == D[pos]) {
pos++;
}
temp = D[pos];
D[pos] = item;
item = temp;
if (pos !== cycleStart) {
logger._print('Rewrite ' + D[pos] + ' to index ' + pos + '; the next value to rewrite is ' + item);
} else {
logger._print('Rewrite ' + D[pos] + ' to index ' + pos);
}
tracer._select(pos)._wait()._deselect(pos);
tracer._notify(pos, D[pos])._notify(cycleStart, D[cycleStart])._wait();
tracer._denotify(pos)._denotify(cycleStart);
writes++;
}
writes++;
}
logger._print('Number of writes performed is ' + writes);