Feature: Monte Carlo simulation - use better radius

ovr · ovr · commit 34369b0fa90e · 2019-01-11T22:39:13.000+03:00
diff --git a/tests/snapshots/examples/calculate-pi-monte.ts b/tests/snapshots/examples/calculate-pi-monte.ts
@@ -1,14 +1,14 @@
 
 {
     // Monte Carlo simulation
-    function calculatePI(cycles: number): number {
+    function calculatePI(cycles: number, r: number): number {
         let inside = 0;
 
         for (let i = 0; i < cycles; i++) {
-            let x = Math.random() * 2 - 1;
-            let y = Math.random() * 2 - 1;
+            let x = Math.random() * r;
+            let y = Math.random() * r;
 
-            if ((x*x + y*y) < 1) {
+            if ((x*x + y*y) < r*r) {
                 inside++
             }
         }
@@ -17,5 +17,5 @@
     }
 
     console_log("Monte Carlo simulation");
-    console_log(calculatePI(10000000));
+    console_log(calculatePI(1e8, 2 ** 16));
 }

Original file line number	Diff line number	Diff line change
`@@ -1,14 +1,14 @@`
`1`	`1`
`2`	`2`	`{`
`3`	`3`	`// Monte Carlo simulation`
`4`		`- function calculatePI(cycles: number): number {`
	`4`	`+ function calculatePI(cycles: number, r: number): number {`
`5`	`5`	`let inside = 0;`
`6`	`6`
`7`	`7`	`for (let i = 0; i < cycles; i++) {`
`8`		`- let x = Math.random() * 2 - 1;`
`9`		`- let y = Math.random() * 2 - 1;`
	`8`	`+ let x = Math.random() * r;`
	`9`	`+ let y = Math.random() * r;`
`10`	`10`
`11`		`- if ((xx + yy) < 1) {`
	`11`	`+ if ((xx + yy) < r*r) {`
`12`	`12`	`inside++`
`13`	`13`	`}`
`14`	`14`	`}`
`@@ -17,5 +17,5 @@`
`17`	`17`	`}`
`18`	`18`
`19`	`19`	`console_log("Monte Carlo simulation");`
`20`		`- console_log(calculatePI(10000000));`
	`20`	`+ console_log(calculatePI(1e8, 2 ** 16));`
`21`	`21`	`}`