From aef101c5e7f0b3a285ac27bae15128159827c26c Mon Sep 17 00:00:00 2001
From: Niklas Fiekas <niklas.fiekas@backscattering.de>
Date: Sun, 9 Jul 2023 11:45:42 +0200
Subject: [PATCH] directly use Long for region masks

---
 src/main/scala/Divider.scala | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/src/main/scala/Divider.scala b/src/main/scala/Divider.scala
index 1608bcdd8..a107281d3 100644
--- a/src/main/scala/Divider.scala
+++ b/src/main/scala/Divider.scala
@@ -2,7 +2,6 @@ package chess
 
 import cats.syntax.all.*
 import bitboard.Bitboard
-import bitboard.Bitboard.bb
 import scala.annotation.switch
 
 case class Division(middle: Option[Ply], end: Option[Ply], plies: Ply):
@@ -77,8 +76,8 @@ object Divider:
 
       case _ => 0
 
-  private val mixednessRegions: List[(Bitboard, Int)] = {
-    val smallSquare = 0x0303L.bb
+  private val mixednessRegions: List[(Long, Int)] = {
+    val smallSquare = 0x0303L
     for
       y <- 0 to 6
       x <- 0 to 6