aparler/RosettaCodeData
1
0
Fork 0
Code Issues 12 Pull requests 3 Projects Releases Packages Wiki Activity Actions

June 2018 Update

Browse source
This commit is contained in:
Ingy döt Net 2018-06-22 20:57:24 +00:00
parent ba8067c3b7
commit 22f33d4004
5278 changed files with 84726 additions and 14379 deletions
Download patch file Download diff file Expand all files Collapse all files

25
Task/Pi/JavaScript/pi-1.js Normal file
View file

@ -0,0 +1,25 @@
var BigInteger = require('jsbn').BigInteger;
var bi = function(n, b) { return new BigInteger(n.toString(), b ? b : 10); };
function calcPi() {
var q=bi(1), r=bi(0), t=bi(1), k=bi(1), n=bi(3), l=bi(3);
var one=bi(1), two=bi(2), three=bi(3), four=bi(4), seven=bi(7), ten=bi(10);
while (true) {
if (q.multiply(four).add(r).subtract(t).compareTo(n.multiply(t)) < 0) {
process.stdout.write(n.toString());
nr = (r.subtract(n.multiply(t))).multiply(ten);
n = (q.multiply(three).add(r)).multiply(ten).divide(t).subtract(n.multiply(ten));
q = q.multiply(ten);
r = nr;
} else {
nr = q.shiftLeft(1).add(r).multiply(l);
nn = q.multiply(k).multiply(seven).add(two).add(r.multiply(l)).divide(t.multiply(l));
q = q.multiply(k);
t = t.multiply(l);
l = l.add(two);
k = k.add(one);
n = nn;
r = nr;
}
}
}
calcPi();

44
Task/Pi/JavaScript/pi-2.js Normal file
View file

@ -0,0 +1,44 @@
<html><head><script src='https://rawgit.com/andyperlitch/jsbn/v1.1.0/index.js'></script></head>
<body style="width: 100%"><tt id="pi"></tt><tt>...</tt>
<script async defer>
function bi(n, b) { return new jsbn.BigInteger(n.toString(), b ? b : 10); };
var one=bi(1), two=bi(2), three=bi(3), four=bi(4), seven=bi(7), ten=bi(10);
function calcPi() {
var q=bi(1), r=bi(0), t=bi(1), k=bi(1), n=bi(3), l=bi(3);
var digit=0, firstrun=1;
var p=document.getElementById('pi');
function w(s) { p.appendChild(document.createTextNode(s));}
function continueCalcPi(q, r, t, k, n, l) {
while (true) {
if (q.multiply(four).add(r).subtract(t).compareTo(n.multiply(t)) < 0) {
w(n.toString());
if (digit==0 && firstrun==1) { w('.'); firstrun=0; };
digit = (digit+1) % 256;
var nr = (r.subtract(n.multiply(t))).multiply(ten);
n = (q.multiply(three).add(r)).multiply(ten).divide(t).subtract(n.multiply(ten));
q = q.multiply(ten);
r = nr;
if (digit%8==0) {
if (digit%64==0) {
p.appendChild(document.createElement('br'));
}
w(' ');
return setTimeout(function() { continueCalcPi(q, r, t, k, n, l); }, 50);
};
} else {
var nr = q.shiftLeft(1).add(r).multiply(l);
var nn = q.multiply(k).multiply(seven).add(two).add(r.multiply(l)).divide(t.multiply(l));
q = q.multiply(k);
t = t.multiply(l);
l = l.add(two);
k = k.add(one);
n = nn;
r = nr;
}
}
}
continueCalcPi(q, r, t, k, n, l);
}
calcPi();
</script>
</body></html>

0
Task/Pi/JavaScript/pi.js → Task/Pi/JavaScript/pi-3.js
View file