Begin statistics creation

CHDataManagement/Workouts/File/RouteProfile.swift

@@ -0,0 +1,32 @@
+
+struct RouteProfile: Codable {
+
+    let min: Double
+
+    let max: Double
+
+    let ticks: Int
+
+    let span: Double
+
+    let scale: Double
+
+    init(min: Double, max: Double, ticks: Int) {
+        self.min = min
+        self.max = max
+        self.ticks = ticks
+        self.span = max - min
+        self.scale = 1 / span
+    }
+
+    func scale(_ value: Double) -> Double {
+        if value < min {
+            return 0
+        }
+        if value > max {
+            return 1
+        }
+        return (value - min) / span
+    }
+}
+