From 3b8fad1a2b39fdd69caae73e842b209b58d8f084 Mon Sep 17 00:00:00 2001
From: simon <simon@cda61777-01e9-0310-a592-d414129be87e>
Date: Mon, 19 Feb 2007 19:38:00 +0000
Subject: [PATCH] Forgot to shuffle the num[] array! That was probably
 introducing some really subtle probabilistic bias in the generated latin
 squares.

git-svn-id: svn://svn.tartarus.org/sgt/puzzles@7302 cda61777-01e9-0310-a592-d414129be87e
---
 latin.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/latin.c b/latin.c
index 22488a7..2d6ae74 100644
--- a/latin.c
+++ b/latin.c
@@ -1092,6 +1092,7 @@ digit *latin_generate(int o, random_state *rs)
 	for (j = 0; j < o; j++)
 	    col[j] = num[j] = j;
 	shuffle(col, j, sizeof(*col), rs);
+	shuffle(num, j, sizeof(*num), rs);
 	/* We need the num permutation in both forward and inverse forms. */
 	for (j = 0; j < o; j++)
 	    numinv[num[j]] = j;
-- 
2.11.0