From 646753d788632d454cf22a7c863cc020e322e71e Mon Sep 17 00:00:00 2001
From: Andrea Cavalli <andrea@warp.ovh>
Date: Sat, 27 Jun 2020 14:34:09 +0200
Subject: [PATCH] Update LFSR.java

---
 src/main/java/org/warp/commonutils/random/LFSR.java | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/src/main/java/org/warp/commonutils/random/LFSR.java b/src/main/java/org/warp/commonutils/random/LFSR.java
index c84505f..542b108 100644
--- a/src/main/java/org/warp/commonutils/random/LFSR.java
+++ b/src/main/java/org/warp/commonutils/random/LFSR.java
@@ -35,7 +35,7 @@ public class LFSR implements Iterable<BigInteger> {
 		return random(50, Math.abs(random.nextInt()));
 	}
 
-	public static LFSR random(int bitsSize, long startNumber) {
+	public static BigInteger randomPrimitive(int bitsSize) {
 		// Build the BigInteger.
 		BigInteger primitive = BigInteger.ZERO;
 		for (int bitNumber = 0; bitNumber <= bitsSize; bitNumber++) {
@@ -43,7 +43,11 @@ public class LFSR implements Iterable<BigInteger> {
 				primitive = primitive.or(BigInteger.ONE.shiftLeft(bitNumber));
 			}
 		}
-		return new LFSR(primitive, BigInteger.valueOf(startNumber));
+		return primitive;
+	}
+
+	public static LFSR random(int bitsSize, long startNumber) {
+		return new LFSR(randomPrimitive(bitsSize), BigInteger.valueOf(startNumber));
 	}
 
 	// The poly must be primitive to span the full sequence.