From 8e402806b508e8f8a922b280a9c55014babe1bff Mon Sep 17 00:00:00 2001
From: simon <simon@cda61777-01e9-0310-a592-d414129be87e>
Date: Sat, 5 Jul 2008 22:07:35 +0000
Subject: [PATCH] Correction from James H: sqrt(0) shouldn't occur any more
 than sqrt(1) should.

git-svn-id: svn://svn.tartarus.org/sgt/puzzles@8108 cda61777-01e9-0310-a592-d414129be87e
---
 unfinished/numgame.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/unfinished/numgame.c b/unfinished/numgame.c
index 8f59c73..20861ca 100644
--- a/unfinished/numgame.c
+++ b/unfinished/numgame.c
@@ -542,9 +542,9 @@ static int perform_sqrt(int *a, int *b, int *output)
     int half[2] = { 1, 2 };
 
     /*
-     * sqrt(1) == 1: don't perform unary noops.
+     * sqrt(0) == 0, sqrt(1) == 1: don't perform unary noops.
      */
-    if (a[0] == 1 && a[1] == 1) return FALSE;
+    if (a[0] == 0 || (a[0] == 1 && a[1] == 1)) return FALSE;
 
     return perform_exp(a, half, output);
 }
-- 
2.11.0