Data commit

Task/Pi/TypeScript/pi-1.ts

@@ -0,0 +1,25 @@
+type AnyWriteableObject={write:((textToOutput:string)=>any)};
+
+function calcPi(pipe:AnyWriteableObject) {
+    let q = 1n, r=0n, t=1n, k=1n, n=3n, l=3n;
+    while (true) {
+        if (q * 4n + r - t < n* t) {
+            pipe.write(n.toString());
+            let nr = (r - n * t) * 10n;
+            n  = (q * 3n + r) * 10n / t - n * 10n ;
+            q  = q * 10n;
+            r  = nr;
+        } else {
+            let nr = (q * 2n + r) * l;
+            let nn = (q * k * 7n + 2n + r * l) / (t * l);
+            q = q * k;
+            t = t * l;
+            l = l + 2n;
+            k = k + 1n;
+            n  = nn;
+            r  = nr;
+        }
+    }
+}
+
+calcPi(process.stdout);

Task/Pi/TypeScript/pi-2.ts

@@ -0,0 +1,40 @@
+type AnyWriteableObject = {write:((textToOutput:string)=>Promise<any>)};
+
+async function calcPi<T extends AnyWriteableObject>(pipe:T) {
+    let q = 1n, r=0n, t=1n, k=1n, n=3n, l=3n;
+    while (true) {
+        if (q * 4n + r - t < n* t) {
+            await pipe.write(n.toString());
+            let nr = (r - n * t) * 10n;
+            n  = (q * 3n + r) * 10n / t - n * 10n ;
+            q  = q * 10n;
+            r  = nr;
+        } else {
+            let nr = (q * 2n + r) * l;
+            let nn = (q * k * 7n + 2n + r * l) / (t * l);
+            q = q * k;
+            t = t * l;
+            l = l + 2n;
+            k = k + 1n;
+            n  = nn;
+            r  = nr;
+        }
+    }
+}
+
+setInterval(function(){
+    console.log(); // put a new line every second
+},1000);
+
+var x = calcPi({
+    write: async function(phrase:string){
+        return new Promise(function(resolve){
+            setTimeout(function(){
+                process.stdout.write(phrase);
+                resolve();
+            },1);
+        });
+    }
+});
+
+console.log('.'); //start!