Fixing rounding errors in delay calculations

Author: vsilaev

src/main/java/net/tascalate/concurrent/delays/ExponentialDelayPolicy.java

@@ -55,7 +55,7 @@ public Duration delay(RetryContext context) {
         double factor = Math.pow(multiplier, context.getRetryCount());
         return DurationCalcs.safeTransform(
             initialDelay, 
-            (amount, dimIdx) -> DurationCalcs.toBoolean(Long.MAX_VALUE / amount > factor),
+            (amount, dimIdx) -> DurationCalcs.toBoolean((double)Long.MAX_VALUE / amount > factor),
             (amount, dimIdx) -> (long)(amount * factor)
         );
     }

src/main/java/net/tascalate/concurrent/delays/ProportionalRandomDelayPolicy.java

@@ -67,6 +67,6 @@ long addRandomJitter(long initialDelay, double randomizer, int dimIdx) {
     @Override
     boolean checkBounds(long initialDelay, double randomizer, int dimIdx) {
         double randomMultiplier = (1 - 2 * randomizer) * multiplier;
-        return Long.MAX_VALUE / initialDelay > 1 + randomMultiplier;
+        return (double)Long.MAX_VALUE / initialDelay > 1 + randomMultiplier;
     }
 }