d

iOS/src/Main.SectionGrid.swift

@@ -14,10 +14,10 @@ extension Main {
         let btn = core.buttons[id]
         btn.frame =
           CGRect(
-            x: p.0,
-            y: p.1,
-            width: memorySide(),
-            height: memorySide()
+            x: CGFloat(p.0),
+            y: CGFloat(p.1),
+            width: CGFloat(memorySide()),
+            height: CGFloat(memorySide())
           )
         btn.backgroundColor = .blue
       }

iOS/src/Model.swift

@@ -4,23 +4,11 @@ struct M {
   var itemsCount: Int = 16
 }
 
-func memorySide() -> CGFloat {
-  return 50
-}
-
-func memorySpace() -> CGFloat {
-  return 20
-}
-
-func memoryGap() -> CGFloat {
-  return memorySide() + memorySpace()
-}
-
-func memoryItemPositions(_ M: M) -> [(CGFloat, CGFloat)] {
-  var pos = [(CGFloat, CGFloat)]()
+func memoryItemPositions(_ M: M) -> [(Float, Float)] {
+  var pos = [(Float, Float)]()
   for i in stride(from: 0, to: M.itemsCount, by: 1) {
-    let row = floor(Double(i) / 4)
-    let x = memoryGap() + (Double(i) - row * 4) * memoryGap()
+    let row = floor(Float(i) / 4)
+    let x = memoryGap() + (Float(i) - row * 4) * memoryGap()
     let y = memoryGap() + row * memoryGap()
     pos.append((x, y))
   }