CDE

2013-04-10 16:57:12 -07:00 · 2013-04-10 16:57:12 -07:00 · 764da6cbbb
commit 764da6cbbb
parent 518da4a923
6144 changed files with 83610 additions and 11 deletions
--- a/Task/Exponentiation-operator/Smalltalk/exponentiation-operator.st
+++ b/Task/Exponentiation-operator/Smalltalk/exponentiation-operator.st
@ -0,0 +1,16 @@
+Number extend [
+  ** anInt [
+       | r |
+       ( anInt isInteger )
+            ifFalse:
+              [ '** works fine only for integer powers'
+	        displayOn: stderr . Character nl displayOn: stderr ].
+       r := 1.
+       1 to: anInt do: [ :i | r := ( r * self ) ].
+       ^r
+  ]
+].
+
+( 2.5 ** 3 ) displayNl.
+( 2 ** 10 ) displayNl.
+( 3/7 ** 3 ) displayNl.