Initial commit.

1 files changed, 127 insertions, 0 deletions

diff --git a/gmp-6.3.0/tests/mpz/t-powm_ui.c b/gmp-6.3.0/tests/mpz/t-powm_ui.c
new file mode 100644
index 0000000..5b446c5
--- /dev/null
+++ b/gmp-6.3.0/tests/mpz/t-powm_ui.c
@@ -0,0 +1,127 @@
+/* Test mpz_powm_ui, mpz_mul, mpz_mod.
+
+Copyright 1991, 1993, 1994, 1996, 1997, 2000-2002, 2013 Free Software
+Foundation, Inc.
+
+This file is part of the GNU MP Library test suite.
+
+The GNU MP Library test suite is free software; you can redistribute it
+and/or modify it under the terms of the GNU General Public License as
+published by the Free Software Foundation; either version 3 of the License,
+or (at your option) any later version.
+
+The GNU MP Library test suite 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 General
+Public License for more details.
+
+You should have received a copy of the GNU General Public License along with
+the GNU MP Library test suite.  If not, see https://www.gnu.org/licenses/.  */
+
+#include <stdio.h>
+#include <stdlib.h>
+
+#include "gmp-impl.h"
+#include "tests.h"
+
+int
+main (int argc, char **argv)
+{
+  mpz_t base, exp, mod;
+  mpz_t r1, r2, base2;
+  mp_size_t base_size, exp_size, mod_size;
+  unsigned long int exp2;
+  int i;
+  int reps = 100;
+  gmp_randstate_ptr rands;
+  mpz_t bs;
+  unsigned long bsi, size_range;
+
+  tests_start ();
+  rands = RANDS;
+
+  TESTS_REPS (reps, argv, argc);
+
+  mpz_inits (bs, base, exp, mod, r1, r2, base2, NULL);
+
+  for (i = 0; i < reps; i++)
+    {
+      mpz_urandomb (bs, rands, 32);
+      size_range = mpz_get_ui (bs) % 18 + 2;
+
+      do  /* Loop until mathematically well-defined.  */
+	{
+	  mpz_urandomb (bs, rands, size_range);
+	  base_size = mpz_get_ui (bs);
+	  mpz_rrandomb (base, rands, base_size);
+
+	  mpz_urandomb (bs, rands, 6L);
+	  exp_size = mpz_get_ui (bs);
+	  mpz_rrandomb (exp, rands, exp_size);
+	  exp2 = mpz_getlimbn (exp, (mp_size_t) 0);
+	}
+      while (mpz_cmp_ui (base, 0) == 0 && exp2 == 0);
+
+      do
+        {
+	  mpz_urandomb (bs, rands, size_range);
+	  mod_size = mpz_get_ui (bs);
+	  mpz_rrandomb (mod, rands, mod_size);
+	}
+      while (mpz_cmp_ui (mod, 0) == 0);
+
+      mpz_urandomb (bs, rands, 2);
+      bsi = mpz_get_ui (bs);
+      if ((bsi & 1) != 0)
+	mpz_neg (base, base);
+
+      /* printf ("%ld %ld\n", SIZ (base), SIZ (mod)); */
+
+#if 0
+      putc ('\n', stderr);
+      gmp_fprintf (stderr, "B = 0x%Zx\n", base);
+      gmp_fprintf (stderr, "M = 0x%Zx\n", mod);
+#endif
+
+      exp2 = mpz_getlimbn (exp, (mp_size_t) 0);
+      mpz_set_ui (r2, 1);
+      mpz_set (base2, base);
+      mpz_mod (r2, r2, mod);	/* needed when exp==0 and mod==1 */
+      while (exp2 != 0)
+	{
+	  if (exp2 % 2 != 0)
+	    {
+	      mpz_mul (r2, r2, base2);
+	      mpz_mod (r2, r2, mod);
+	    }
+	  mpz_mul (base2, base2, base2);
+	  mpz_mod (base2, base2, mod);
+	  exp2 = exp2 / 2;
+	}
+
+      exp2 = mpz_getlimbn (exp, (mp_size_t) 0);
+      mpz_powm_ui (r1, base, exp2, mod);
+      MPZ_CHECK_FORMAT (r1);
+
+#if 0
+      gmp_fprintf (stderr, "R   = 0x%Zx\n", r1);
+      gmp_fprintf (stderr, "REF = 0x%Zx\n", r2);
+#endif
+
+      if (mpz_cmp (r1, r2) != 0)
+	{
+	  fprintf (stderr, "\ntest %d: Incorrect results for operands:\n", i);
+	  gmp_fprintf (stderr, "B = 0x%Zx\n", base);
+	  gmp_fprintf (stderr, "E = 0x%Zx\n", exp);
+	  gmp_fprintf (stderr, "M = 0x%Zx\n", mod);
+	  gmp_fprintf (stderr, "R   = 0x%Zx\n", r1);
+	  gmp_fprintf (stderr, "REF = 0x%Zx\n", r2);
+	  abort ();
+	}
+    }
+
+  mpz_clears (bs, base, exp, mod, r1, r2, base2, NULL);
+
+  tests_end ();
+  exit (0);
+}