[BottomAppBar] change cornersize to float to avoid truncation errors

PiperOrigin-RevId: 367430538
(cherry picked from commit 8e9b680)

Author: ymarian

lib/java/com/google/android/material/bottomappbar/BottomAppBar.java

@@ -551,7 +551,7 @@ boolean setFabDiameter(@Px int diameter) {
     return false;
   }
 
-  void setFabCornerSize(@Px int radius) {
+  void setFabCornerSize(@Dimension float radius) {
     if (radius != getTopEdgeTreatment().getFabCornerRadius()) {
       getTopEdgeTreatment().setFabCornerSize(radius);
       materialShapeDrawable.invalidateSelf();
@@ -1036,7 +1036,7 @@ public void onLayoutChange(
             child.setFabDiameter(height);
 
             // Assume symmetrical corners
-            int cornerSize = (int) fab.getShapeAppearanceModel().getTopLeftCornerSize()
+            float cornerSize = fab.getShapeAppearanceModel().getTopLeftCornerSize()
                 .getCornerSize(new RectF(fabContentRect));
 
             child.setFabCornerSize(cornerSize);

lib/java/com/google/android/material/bottomappbar/BottomAppBarTopEdgeTreatment.java

@@ -50,7 +50,7 @@ public class BottomAppBarTopEdgeTreatment extends EdgeTreatment implements Clone
   private float fabDiameter;
   private float cradleVerticalOffset;
   private float horizontalOffset;
-  private int fabCornerSize = -1;
+  private float fabCornerSize = -1f;
 
   /**
    * @param fabMargin the margin in pixels between the cutout and the fab.
@@ -101,7 +101,7 @@ public void getEdgePath(
     // Calculate the X distance between the center of the two adjacent circles using pythagorean
     // theorem.
     float cornerSize = fabCornerSize * interpolation;
-    boolean useCircleCutout = fabCornerSize == -1 || abs(fabCornerSize * 2 - fabDiameter) < .1f;
+    boolean useCircleCutout = fabCornerSize == -1 || abs(fabCornerSize * 2f - fabDiameter) < .1f;
     float arcOffset = 0;
     if (!useCircleCutout) {
       verticalOffset = 0;
@@ -251,11 +251,11 @@ void setFabCradleRoundedCornerRadius(float roundedCornerRadius) {
     this.roundedCornerRadius = roundedCornerRadius;
   }
 
-  public int getFabCornerRadius() {
+  public float getFabCornerRadius() {
     return fabCornerSize;
   }
 
-  public void setFabCornerSize(int size) {
+  public void setFabCornerSize(float size) {
     this.fabCornerSize = size;
   }
 }