commit 87f14948095f4614acd686f5238933c344174c25
author Janos Follath <janos.follath@gmail.com> Sun Oct 25 10:58:03 2015 +0100
committer Manuel Pégourié-Gonnard <manuel.pegourie-gonnard@arm.com> Fri Jan 08 15:18:03 2016 +0100
tree 2825acb09e1c61ad380450007d85f07b50c2c57f
parent a3a1cd33d1e44a3301e24397e34bfb7ab2c74ca7

Tests and fix added for #309 (inplace mpi doubling).

library/bignum.c

diff --git a/library/bignum.c b/library/bignum.c
index 89fbe12..73ea453 100644
--- a/library/bignum.c
+++ b/library/bignum.c
@@ -893,7 +893,12 @@
 
     if( X == B )
     {
-        const mpi *T = A; A = X; B = T;
+        const mpi *T;
+
+        if( B == A)
+            return mpi_shift_l( X, 1 );
+
+        T = A; A = X; B = T;
     }
 
     if( X != A )