Import Upstream version 0.8.2

[platform/upstream/mpc.git] / tests / tpow_ui.c

diff --git a/tests/tpow_ui.c b/tests/tpow_ui.c
index 4e8cd31..d5b1916 100644 (file)
--- a/tests/tpow_ui.c
+++ b/tests/tpow_ui.c
@@ -1,35 +1,38 @@
-/* tpow_ui -- test file for mpc_pow_ui.
+/* test file for mpc_pow_ui.
 
-Copyright (C) 2009, 2010 INRIA
+Copyright (C) 2009, 2010 Paul Zimmermann, Andreas Enge
 
-This file is part of GNU MPC.
+This file is part of the MPC Library.
 
-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
+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.
 
-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.
+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 this program. If not, see http://www.gnu.org/licenses/ .
-*/
+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 <limits.h> /* for CHAR_BIT */
 #include "mpc-tests.h"
 
 static void
-compare_mpc_pow (mpfr_prec_t pmax, int iter, unsigned long nbits)
+compare_mpc_pow (mp_prec_t pmax, int iter, unsigned long nbits)
 {
-  mpfr_prec_t p;
+  mp_prec_t p;
   mpc_t x, y, z, t;
   unsigned long n;
   int i, inex_pow, inex_pow_ui;
+  gmp_randstate_t state;
   mpc_rnd_t rnd;
 
+  gmp_randinit_default (state);
   mpc_init3 (y, sizeof (unsigned long) * CHAR_BIT, MPFR_PREC_MIN);
   for (p = MPFR_PREC_MIN; p <= pmax; p++)
     for (i = 0; i < iter; i++)
@@ -37,8 +40,8 @@ compare_mpc_pow (mpfr_prec_t pmax, int iter, unsigned long nbits)
         mpc_init2 (x, p);
         mpc_init2 (z, p);
         mpc_init2 (t, p);
-        mpc_urandom (x, rands);
-        n = gmp_urandomb_ui (rands, nbits); /* 0 <= n < 2^nbits */
+        mpc_urandom (x, state);
+        n = gmp_urandomb_ui (state, nbits); /* 0 <= n < 2^nbits */
         mpc_set_ui (y, n, MPC_RNDNN);
         for (rnd = 0; rnd < 16; rnd ++)
           {
@@ -58,7 +61,7 @@ compare_mpc_pow (mpfr_prec_t pmax, int iter, unsigned long nbits)
               }
             if (inex_pow != inex_pow_ui)
               {
-                printf ("mpc_pow and mpc_pow_ui give different flags for x=");
+                printf ("mpc_pow and mpc_pow_ui gives different flags for x=");
                 mpc_out_str (stdout, 10, 0, x, MPC_RNDNN);
                 printf (" n=%lu\n", n);
                 printf ("mpc_pow gives %d\n", inex_pow);
@@ -71,6 +74,7 @@ compare_mpc_pow (mpfr_prec_t pmax, int iter, unsigned long nbits)
         mpc_clear (t);
       }
   mpc_clear (y);
+  gmp_randclear (state);
 }
 
 int
@@ -82,8 +86,8 @@ main (int argc, char *argv[])
 
   if (argc != 1)
     {
-      mpfr_prec_t p;
-      long int n, k;
+      mp_prec_t p;
+      unsigned long n, k;
       mpc_t res;
       if (argc != 3 && argc != 4)
         {
@@ -92,16 +96,14 @@ main (int argc, char *argv[])
         }
       p = atoi (argv[1]);
       n = atoi (argv[2]);
-      MPC_ASSERT (n >= 0);
       k = (argc > 3) ? atoi (argv[3]) : 1;
-      MPC_ASSERT (k >= 0);
       mpc_init2 (z, p);
       mpc_init2 (res, p);
       mpfr_const_pi (mpc_realref (z), GMP_RNDN);
       mpfr_div_2exp (mpc_realref (z), mpc_realref (z), 2, GMP_RNDN);
       mpfr_const_log2 (mpc_imagref (z), GMP_RNDN);
       while (k--)
-        mpc_pow_ui (res, z, (unsigned long int) n, MPC_RNDNN);
+        mpc_pow_ui (res, z, n, MPC_RNDNN);
       mpc_clear (z);
       mpc_clear (res);
       return 0;
@@ -110,6 +112,20 @@ main (int argc, char *argv[])
   test_start ();
   data_check (f, "pow_ui.dat");
 
+  mpc_init2 (z, 5);
+  mpc_set_ui_ui (z, 3, 2, MPC_RNDNN);
+  mpc_pow_ui (z, z, 3, MPC_RNDNN);
+  if (mpc_cmp_si_si (z, -9, 46) != 0)
+    {
+      printf ("Error for mpc_pow_ui (1)\n");
+      printf ("expected (-9,46)\n");
+      printf ("got ");
+      mpc_out_str (stdout, 10, 0, z, MPC_RNDNN);
+      printf ("\n");
+      exit (1);
+    }
+  mpc_clear (z);
+
   compare_mpc_pow (100, 5, 19);
 
   test_end ();