tswap.c: test file for mpc_swap

git-svn-id: svn://scm.gforge.inria.fr/svn/mpc/trunk@1000 211d60ee-9f03-0410-a15a-8952a2c7a4e4

1 files changed, 55 insertions, 0 deletions

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+/* tswap.c -- Test file for mpc_swap.
+
+Copyright (C) INRIA, 2011
+
+This file is part of the MPC Library.
+
+The MPC Library 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 2.1 of the License, or (at your
+option) any later version.
+
+The MPC Library 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 the MPC Library; see the file COPYING.LIB.  If not, write to
+the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
+MA 02111-1307, USA. */
+
+#include "mpc-tests.h"
+
+int
+main (void)
+{
+   mpc_t x, y, x2, y2;
+
+   mpc_init2 (x, 50);
+   mpc_init2 (x2, 50);
+   mpc_init2 (y, 100);
+   mpc_init2 (y2, 100);
+
+   mpc_set_ui_ui (x,  1ul, 2ul, MPC_RNDNN);
+   mpc_set_ui_ui (x2, 1ul, 2ul, MPC_RNDNN);
+   mpc_set_ui_ui (y,  3ul, 4ul, MPC_RNDNN);
+   mpc_set_ui_ui (y2, 3ul, 4ul, MPC_RNDNN);
+
+   mpc_swap (x, y);
+
+   if (   mpfr_get_prec (MPC_RE (x)) != mpfr_get_prec (MPC_RE (y2))
+       || mpfr_get_prec (MPC_IM (x)) != mpfr_get_prec (MPC_IM (y2))
+       || mpfr_get_prec (MPC_RE (y)) != mpfr_get_prec (MPC_RE (x2))
+       || mpfr_get_prec (MPC_IM (y)) != mpfr_get_prec (MPC_IM (x2))
+       || mpc_cmp (x, y2) != 0
+       || mpc_cmp (y, x2) != 0)
+      exit (1);
+
+   mpc_clear (x);
+   mpc_clear (x2);
+   mpc_clear (y);
+   mpc_clear (y2);
+
+   return 0;
+}