1 files changed, 5 insertions, 5 deletions
diff --git a/src/javax/vecmath/Tuple4d.java b/src/javax/vecmath/Tuple4d.java
index f06bf7d..d5269f0 100644
--- a/src/javax/vecmath/Tuple4d.java
+++ b/src/javax/vecmath/Tuple4d.java
@@ -452,11 +452,11 @@ public abstract class Tuple4d implements java.io.Serializable, Cloneable {
     @Override
     public int hashCode() {
 	long bits = 1L;
-	bits = 31L * bits + VecMathUtil.doubleToLongBits(x);
-	bits = 31L * bits + VecMathUtil.doubleToLongBits(y);
-	bits = 31L * bits + VecMathUtil.doubleToLongBits(z);
-	bits = 31L * bits + VecMathUtil.doubleToLongBits(w);
-	return (int) (bits ^ (bits >> 32));
+	bits = VecMathUtil.hashDoubleBits(bits, x);
+	bits = VecMathUtil.hashDoubleBits(bits, y);
+	bits = VecMathUtil.hashDoubleBits(bits, z);
+	bits = VecMathUtil.hashDoubleBits(bits, w);
+	return VecMathUtil.hashFinish(bits);
     }