From d9bd3181330830c49e714609e86eaa3e39a884ca Mon Sep 17 00:00:00 2001
From: "Charles.Forsyth" <devnull@localhost>
Date: Thu, 12 Jun 2008 21:45:38 +0000
Subject: 20080612-2245

---
 libmp/port/mpinvert.c | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

(limited to 'libmp/port/mpinvert.c')

diff --git a/libmp/port/mpinvert.c b/libmp/port/mpinvert.c
index ee263070..45912d6b 100644
--- a/libmp/port/mpinvert.c
+++ b/libmp/port/mpinvert.c
@@ -9,13 +9,15 @@ void
 mpinvert(mpint *b, mpint *m, mpint *res)
 {
 	mpint *dc1, *dc2;	// don't care
+	int r;
 
 	dc1 = mpnew(0);
 	dc2 = mpnew(0);
 	mpextendedgcd(b, m, dc1, res, dc2);
-	if(mpcmp(dc1, mpone) != 0)
-		abort();
-	mpmod(res, m, res);
+	r = mpcmp(dc1, mpone);
 	mpfree(dc1);
 	mpfree(dc2);
+	if(r != 0)
+		sysfatal("mpinvert: no inverse");
+	mpmod(res, m, res);
 }
-- 
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