diff --git a/lib/math.go b/lib/math.go
index 36b483c64..1d0b6dc0f 100644
--- a/lib/math.go
+++ b/lib/math.go
@@ -1,5 +1,12 @@
 package lib
 
+func AbsInt(a int) int {
+	if a > 0 {
+		return a
+	}
+	return a * -1
+}
+
 func MaxInt(a, b int) int {
 	if a > b {
 		return a
diff --git a/lib/math_test.go b/lib/math_test.go
index fdb963ecd..4640bf4f2 100644
--- a/lib/math_test.go
+++ b/lib/math_test.go
@@ -6,24 +6,33 @@ import (
 	"github.com/hashicorp/consul/lib"
 )
 
+func TestMathAbsInt(t *testing.T) {
+	tests := [][3]int{{1, 1}, {-1, 1}, {0, 0}}
+	for _, test := range tests {
+		if test[1] != lib.AbsInt(test[0]) {
+			t.Fatalf("expected %d, got %d", test[1], test[0])
+		}
+	}
+}
+
 func TestMathMaxInt(t *testing.T) {
 	tests := [][3]int{{1, 2, 2}, {-1, 1, 1}, {2, 0, 2}}
-	for i, _ := range tests {
-		expected := tests[i][2]
-		actual := lib.MaxInt(tests[i][0], tests[i][1])
+	for _, test := range tests {
+		expected := test[2]
+		actual := lib.MaxInt(test[0], test[1])
 		if expected != actual {
-			t.Fatalf("in iteration %d expected %d, got %d", i, expected, actual)
+			t.Fatalf("expected %d, got %d", expected, actual)
 		}
 	}
 }
 
 func TestMathMinInt(t *testing.T) {
 	tests := [][3]int{{1, 2, 1}, {-1, 1, -1}, {2, 0, 0}}
-	for i, _ := range tests {
-		expected := tests[i][2]
-		actual := lib.MinInt(tests[i][0], tests[i][1])
+	for _, test := range tests {
+		expected := test[2]
+		actual := lib.MinInt(test[0], test[1])
 		if expected != actual {
-			t.Fatalf("in iteration %d expected %d, got %d", i, expected, actual)
+			t.Fatalf("expected %d, got %d", expected, actual)
 		}
 	}
 }