implicit-casts:false in flutter/lib/src/physics (#45622)

packages/flutter/lib/src/physics/clamped_simulation.dart

@@ -48,10 +48,10 @@ class ClampedSimulation extends Simulation {
   final double dxMax;
 
   @override
-  double x(double time) => simulation.x(time).clamp(xMin, xMax);
+  double x(double time) => simulation.x(time).clamp(xMin, xMax) as double;
 
   @override
-  double dx(double time) => simulation.dx(time).clamp(dxMin, dxMax);
+  double dx(double time) => simulation.dx(time).clamp(dxMin, dxMax) as double;
 
   @override
   bool isDone(double time) => simulation.isDone(time);

packages/flutter/lib/src/physics/friction_simulation.dart

@@ -65,7 +65,7 @@ class FrictionSimulation extends Simulation {
   // Solving for D given x(time) is trickier. Algebra courtesy of Wolfram Alpha:
   // x1 = x0 + (v0 * D^((log(v1) - log(v0)) / log(D))) / log(D) - v0 / log(D), find D
   static double _dragFor(double startPosition, double endPosition, double startVelocity, double endVelocity) {
-    return math.pow(math.e, (startVelocity - endVelocity) / (startPosition - endPosition));
+    return math.pow(math.e, (startVelocity - endVelocity) / (startPosition - endPosition)) as double;
   }
 
   @override
@@ -116,7 +116,7 @@ class BoundedFrictionSimulation extends FrictionSimulation {
 
   @override
   double x(double time) {
-    return super.x(time).clamp(_minX, _maxX);
+    return super.x(time).clamp(_minX, _maxX) as double;
   }
 
   @override

packages/flutter/lib/src/physics/spring_simulation.dart

@@ -196,7 +196,7 @@ class _CriticalSolution implements _SpringSolution {
 
   @override
   double dx(double time) {
-    final double power = math.pow(math.e, _r * time);
+    final double power = math.pow(math.e, _r * time) as double;
     return _r * (_c1 + _c2 * time) * power + _c2 * power;
   }
 
@@ -266,13 +266,13 @@ class _UnderdampedSolution implements _SpringSolution {
 
   @override
   double x(double time) {
-    return math.pow(math.e, _r * time) *
+    return (math.pow(math.e, _r * time) as double) *
            (_c1 * math.cos(_w * time) + _c2 * math.sin(_w * time));
   }
 
   @override
   double dx(double time) {
-    final double power = math.pow(math.e, _r * time);
+    final double power = math.pow(math.e, _r * time) as double;
     final double cosine = math.cos(_w * time);
     final double sine = math.sin(_w * time);
     return      power * (_c2 * _w * cosine - _c1 * _w * sine) +