From 89898de3bfa38d39494555a3e109253489a0e0b6 Mon Sep 17 00:00:00 2001
From: Mattias Andrée <maandree@kth.se>
Date: Mon, 25 Jul 2016 16:56:20 +0200
Subject: Fix a small error in the solution for Powers of the golden ratio
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

Signed-off-by: Mattias Andrée <maandree@kth.se>
---
 doc/exercises.tex | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'doc/exercises.tex')

diff --git a/doc/exercises.tex b/doc/exercises.tex
index e89c2b3..93f77e4 100644
--- a/doc/exercises.tex
+++ b/doc/exercises.tex
@@ -508,7 +508,7 @@ but for efficiency and briefness, we will use
 void golden_pow(z_t r, z_t p)
 \{
     if (zsignum(p) <= 0)
-        zsetu(r, zzero(p));
+        zsetu(r, zcmpi(p, -1) >= 0);
     else
         lucas(r, p);
 \}
-- 
cgit v1.2.3-70-g09d2

