Revise ranking algorithm

2 files changed, 28 insertions, 8 deletions

diff --git a/src/util/slab.go b/src/util/slab.go
new file mode 100644
index 00000000..0c49d2d9
--- /dev/null
+++ b/src/util/slab.go
@@ -0,0 +1,12 @@
+package util
+
+type Slab struct {
+	I16 []int16
+	I32 []int32
+}
+
+func MakeSlab(size16 int, size32 int) *Slab {
+	return &Slab{
+		I16: make([]int16, size16),
+		I32: make([]int32, size32)}
+}
diff --git a/src/util/util.go b/src/util/util.go
index 2ebd0f62..e273882c 100644
--- a/src/util/util.go
+++ b/src/util/util.go
@@ -18,25 +18,33 @@ func Max(first int, second int) int {
 	return second
 }
 
-// Min returns the smallest integer
-func Min(first int, second int) int {
-	if first <= second {
+// Max16 returns the largest integer
+func Max16(first int16, second int16) int16 {
+	if first >= second {
 		return first
 	}
 	return second
 }
 
-// Min32 returns the smallest 32-bit integer
-func Min32(first int32, second int32) int32 {
+// Max32 returns the largest 32-bit integer
+func Max32(first int32, second int32) int32 {
+	if first > second {
+		return first
+	}
+	return second
+}
+
+// Min returns the smallest integer
+func Min(first int, second int) int {
 	if first <= second {
 		return first
 	}
 	return second
 }
 
-// Max32 returns the largest 32-bit integer
-func Max32(first int32, second int32) int32 {
-	if first > second {
+// Min32 returns the smallest 32-bit integer
+func Min32(first int32, second int32) int32 {
+	if first <= second {
 		return first
 	}
 	return second