1 files changed, 29 insertions, 0 deletions
diff --git a/mpc/src/swap.c b/mpc/src/swap.c
new file mode 100644
index 0000000000..9590132e3b
--- /dev/null
+++ b/mpc/src/swap.c
@@ -0,0 +1,29 @@
+/* mpc_swap -- Swap two complex numbers.
+
+Copyright (C) 2009, 2011 INRIA
+
+This file is part of GNU MPC.
+
+GNU MPC is free software; you can redistribute it and/or modify it under
+the terms of the GNU Lesser General Public License as published by the
+Free Software Foundation; either version 3 of the License, or (at your
+option) any later version.
+
+GNU MPC is distributed in the hope that it will be useful, but WITHOUT ANY
+WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
+FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for
+more details.
+
+You should have received a copy of the GNU Lesser General Public License
+along with this program. If not, see http://www.gnu.org/licenses/ .
+*/
+
+#include "mpc-impl.h"
+
+void
+mpc_swap (mpc_ptr a, mpc_ptr b)
+{
+  /* assumes real and imaginary parts do not overlap */
+  mpfr_swap (mpc_realref(a), mpc_realref(b));
+  mpfr_swap (mpc_imagref(a), mpc_imagref(b));
+}