Initial data commit

Task/Sorting-algorithms-Shell-sort/PureBasic/sorting-algorithms-shell-sort.basic

@@ -0,0 +1,22 @@
+#STEP=2.2
+
+Procedure Shell_sort(Array A(1))
+  Protected l=ArraySize(A()), increment=Int(l/#STEP)
+  Protected i, j, temp
+  While increment
+    For i= increment To l
+      j=i
+      temp=A(i)
+      While j>=increment And A(j-increment)>temp
+        A(j)=A(j-increment)
+        j-increment
+      Wend
+      A(j)=temp
+    Next i
+    If increment=2
+      increment=1
+    Else
+      increment*(5.0/11)
+    EndIf
+  Wend
+EndProcedure