Add EPS to clear correction value and to floating box top border when identifying floats at y line in order to avoid precision issues

Author: yulian-gaponenko

layout/src/main/java/com/itextpdf/layout/renderer/FloatingHelper.java

@@ -289,7 +289,7 @@ static float calculateClearHeightCorrection(IRenderer renderer, List<Rectangle>
             }
         }
         if (lowestFloatBottom < Float.MAX_VALUE) {
-            clearHeightCorrection = parentBBox.getTop() - lowestFloatBottom;
+            clearHeightCorrection = parentBBox.getTop() - lowestFloatBottom + AbstractRenderer.EPS;
         }
 
         return clearHeightCorrection;
@@ -346,7 +346,7 @@ private static Rectangle[] findLastLeftAndRightBoxes(Rectangle layoutBox, List<R
     private static List<Rectangle> getBoxesAtYLevel(List<Rectangle> floatRendererAreas, float currY) {
         List<Rectangle> yLevelBoxes = new ArrayList<>();
         for (Rectangle box : floatRendererAreas) {
-            if (box.getBottom() < currY && box.getTop() >= currY) {
+            if (box.getBottom() < currY && box.getTop() + AbstractRenderer.EPS >= currY) {
                 yLevelBoxes.add(box);
             }
         }