1 files changed, 62 insertions, 0 deletions
diff --git a/mpc/tests/tpow_z.c b/mpc/tests/tpow_z.c
new file mode 100644
index 0000000000..2a897e6bee
--- /dev/null
+++ b/mpc/tests/tpow_z.c
@@ -0,0 +1,62 @@
+/* tpow_z -- test file for mpc_pow_z.
+
+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 <limits.h> /* for CHAR_BIT */
+#include "mpc-tests.h"
+
+int
+main (void)
+{
+   mpc_t z;
+   mpz_t t;
+
+   test_start ();
+
+   mpc_init2 (z, 5);
+   mpz_init_set_ui (t, 1ul);
+   mpc_set_ui_ui (z, 17ul, 42ul, MPC_RNDNN);
+   mpc_pow_z (z, z, t, MPC_RNDNN);
+   if (mpc_cmp_si_si (z, 17l, 42l) != 0) {
+         printf ("Error for mpc_pow_z (1)\n");
+         exit (1);
+   }
+   mpz_set_si (t, -1l);
+   mpc_set_ui_ui (z, 1ul, 1ul, MPC_RNDNN);
+   mpc_pow_z (z, z, t, MPC_RNDNN);
+   mpc_mul_ui (z, z, 2ul, MPC_RNDNN);
+   if (mpc_cmp_si_si (z, 1l, -1l) != 0) {
+         printf ("Error for mpc_pow_z (-1)\n");
+         exit (1);
+   }
+   mpz_set_ui (t, 1ul);
+   mpz_mul_2exp (t, t, sizeof (long) * CHAR_BIT);
+   mpc_set_ui_ui (z, 0ul, 1ul, MPC_RNDNN);
+   mpc_pow_z (z, z, t, MPC_RNDNN);
+   if (mpc_cmp_si_si (z, 1l, 0l) != 0) {
+         printf ("Error for mpc_pow_z (4*large)\n");
+         exit (1);
+   }
+   mpc_clear (z);
+   mpz_clear (t);
+
+   test_end ();
+
+   return 0;
+}