Compile-time calculation: Difference between revisions

Content added Content deleted

Inline

@@ Line 705: / Line 705: @@
 =={{header|PowerShell}}==
 <lang PowerShell>
-function fun($n){
+function fact([BigInt]$n){
+    if($n -ge ([BigInt]::Zero)) {
-    $res = 0
+        $fact = [BigInt]::One
-    if($n -gt 0) {
-..$n | foreach{
+        ([BigInt]::One)..$n | foreach{
-            $a, $b = $_, ($n+$_)
+            $fact = [BigInt]::Multiply($fact, $_)
-            $res += $a + $b
         }
+        $fact
+    } else {
+        Write-Error "$n is lower than 0"
     }
-    $res
 }
-"$((Measure-Command {fun 10000}).TotalSeconds) Seconds"
+"$((Measure-Command {$fact = fact 10}).TotalSeconds) Seconds"
+$fact
 </lang>
 <b>Output:</b>
 <pre>
-.820712 Seconds
+.0030411 Seconds
+3628800
 </pre>