]> oss.titaniummirror.com Git - msp430-gcc.git/blobdiff - gmp/tests/mpz/t-nextprime.c
Imported gcc-4.4.3
[msp430-gcc.git] / gmp / tests / mpz / t-nextprime.c
diff --git a/gmp/tests/mpz/t-nextprime.c b/gmp/tests/mpz/t-nextprime.c
new file mode 100644 (file)
index 0000000..1734f61
--- /dev/null
@@ -0,0 +1,222 @@
+/* Test mpz_nextprime.
+
+Copyright 2009 Free Software Foundation, Inc.
+
+This file is part of the GNU MP Library.
+
+The GNU MP 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 3 of the License, or (at your
+option) any later version.
+
+The GNU MP 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 GNU MP Library.  If not, see http://www.gnu.org/licenses/.  */
+
+
+#include <stdio.h>
+#include <stdlib.h>
+
+#include "gmp.h"
+#include "gmp-impl.h"
+#include "tests.h"
+
+void
+refmpz_nextprime (mpz_ptr p, mpz_srcptr t)
+{
+  mpz_add_ui (p, t, 1L);
+  while (! mpz_probab_prime_p (p, 10))
+    mpz_add_ui (p, p, 1L);
+}
+
+void
+run (char *start, int reps, char *end, short diffs[])
+{
+  mpz_t x, y;
+  int i;
+
+  mpz_init_set_str (x, start, 0);
+  mpz_init (y);
+
+  for (i = 0; i < reps; i++)
+    {
+      mpz_nextprime (y, x);
+      mpz_sub (x, y, x);
+      if (diffs != NULL && diffs[i] != mpz_get_ui (x))
+       {
+         gmp_printf ("diff list discrepancy\n");
+         abort ();
+       }
+      mpz_set (x, y);
+    }
+
+  mpz_set_str (y, end, 0);
+
+  if (mpz_cmp (x, y) != 0)
+    {
+      gmp_printf ("got  %Zx\n", x);
+      gmp_printf ("want %Zx\n", y);
+      abort ();
+    }
+
+  mpz_clear (y);
+  mpz_clear (x);
+}
+
+extern short diff1[];
+extern short diff3[];
+extern short diff4[];
+extern short diff5[];
+
+int
+main (int argc, char **argv)
+{
+  int i;
+  int reps = 20;
+  gmp_randstate_ptr rands;
+  mpz_t bs, x, nxtp, ref_nxtp;
+  unsigned long size_range;
+
+  tests_start();
+  rands = RANDS;
+
+  run ("2", 1000, "0x1ef7", diff1);
+
+  run ("3", 1000 - 1, "0x1ef7", NULL);
+
+  run ("0x8a43866f5776ccd5b02186e90d28946aeb0ed914", 50,
+       "0x8a43866f5776ccd5b02186e90d28946aeb0eeec5", diff3);
+
+  run ("0x10000000000000000000000000000000000000", 50,
+       "0x100000000000000000000000000000000010ab", diff4);
+
+  run ("0x1c2c26be55317530311facb648ea06b359b969715db83292ab8cf898d8b1b", 50,
+       "0x1c2c26be55317530311facb648ea06b359b969715db83292ab8cf898da957", diff5);
+
+  mpz_init (bs);
+  mpz_init (x);
+  mpz_init (nxtp);
+  mpz_init (ref_nxtp);
+
+  if (argc == 2)
+     reps = atoi (argv[1]);
+
+  for (i = 0; i < reps; i++)
+    {
+      mpz_urandomb (bs, rands, 32);
+      size_range = mpz_get_ui (bs) % 8 + 2; /* 0..1024 bit operands */
+
+      mpz_urandomb (bs, rands, size_range);
+      mpz_rrandomb (x, rands, mpz_get_ui (bs));
+
+/*      gmp_printf ("%ld: %Zd\n", mpz_sizeinbase (x, 2), x); */
+
+      mpz_nextprime (nxtp, x);
+      refmpz_nextprime (ref_nxtp, x);
+      if (mpz_cmp (nxtp, ref_nxtp) != 0)
+       abort ();
+    }
+
+  mpz_clear (bs);
+  mpz_clear (x);
+  mpz_clear (nxtp);
+  mpz_clear (ref_nxtp);
+
+  tests_end ();
+  return 0;
+}
+
+short diff1[] =
+{
+  1,2,2,4,2,4,2,4,6,2,6,4,2,4,6,6,
+  2,6,4,2,6,4,6,8,4,2,4,2,4,14,4,6,
+  2,10,2,6,6,4,6,6,2,10,2,4,2,12,12,4,
+  2,4,6,2,10,6,6,6,2,6,4,2,10,14,4,2,
+  4,14,6,10,2,4,6,8,6,6,4,6,8,4,8,10,
+  2,10,2,6,4,6,8,4,2,4,12,8,4,8,4,6,
+  12,2,18,6,10,6,6,2,6,10,6,6,2,6,6,4,
+  2,12,10,2,4,6,6,2,12,4,6,8,10,8,10,8,
+  6,6,4,8,6,4,8,4,14,10,12,2,10,2,4,2,
+  10,14,4,2,4,14,4,2,4,20,4,8,10,8,4,6,
+  6,14,4,6,6,8,6,12,4,6,2,10,2,6,10,2,
+  10,2,6,18,4,2,4,6,6,8,6,6,22,2,10,8,
+  10,6,6,8,12,4,6,6,2,6,12,10,18,2,4,6,
+  2,6,4,2,4,12,2,6,34,6,6,8,18,10,14,4,
+  2,4,6,8,4,2,6,12,10,2,4,2,4,6,12,12,
+  8,12,6,4,6,8,4,8,4,14,4,6,2,4,6,2,
+  6,10,20,6,4,2,24,4,2,10,12,2,10,8,6,6,
+  6,18,6,4,2,12,10,12,8,16,14,6,4,2,4,2,
+  10,12,6,6,18,2,16,2,22,6,8,6,4,2,4,8,
+  6,10,2,10,14,10,6,12,2,4,2,10,12,2,16,2,
+  6,4,2,10,8,18,24,4,6,8,16,2,4,8,16,2,
+  4,8,6,6,4,12,2,22,6,2,6,4,6,14,6,4,
+  2,6,4,6,12,6,6,14,4,6,12,8,6,4,26,18,
+  10,8,4,6,2,6,22,12,2,16,8,4,12,14,10,2,
+  4,8,6,6,4,2,4,6,8,4,2,6,10,2,10,8,
+  4,14,10,12,2,6,4,2,16,14,4,6,8,6,4,18,
+  8,10,6,6,8,10,12,14,4,6,6,2,28,2,10,8,
+  4,14,4,8,12,6,12,4,6,20,10,2,16,26,4,2,
+  12,6,4,12,6,8,4,8,22,2,4,2,12,28,2,6,
+  6,6,4,6,2,12,4,12,2,10,2,16,2,16,6,20,
+  16,8,4,2,4,2,22,8,12,6,10,2,4,6,2,6,
+  10,2,12,10,2,10,14,6,4,6,8,6,6,16,12,2,
+  4,14,6,4,8,10,8,6,6,22,6,2,10,14,4,6,
+  18,2,10,14,4,2,10,14,4,8,18,4,6,2,4,6,
+  2,12,4,20,22,12,2,4,6,6,2,6,22,2,6,16,
+  6,12,2,6,12,16,2,4,6,14,4,2,18,24,10,6,
+  2,10,2,10,2,10,6,2,10,2,10,6,8,30,10,2,
+  10,8,6,10,18,6,12,12,2,18,6,4,6,6,18,2,
+  10,14,6,4,2,4,24,2,12,6,16,8,6,6,18,16,
+  2,4,6,2,6,6,10,6,12,12,18,2,6,4,18,8,
+  24,4,2,4,6,2,12,4,14,30,10,6,12,14,6,10,
+  12,2,4,6,8,6,10,2,4,14,6,6,4,6,2,10,
+  2,16,12,8,18,4,6,12,2,6,6,6,28,6,14,4,
+  8,10,8,12,18,4,2,4,24,12,6,2,16,6,6,14,
+  10,14,4,30,6,6,6,8,6,4,2,12,6,4,2,6,
+  22,6,2,4,18,2,4,12,2,6,4,26,6,6,4,8,
+  10,32,16,2,6,4,2,4,2,10,14,6,4,8,10,6,
+  20,4,2,6,30,4,8,10,6,6,8,6,12,4,6,2,
+  6,4,6,2,10,2,16,6,20,4,12,14,28,6,20,4,
+  18,8,6,4,6,14,6,6,10,2,10,12,8,10,2,10,
+  8,12,10,24,2,4,8,6,4,8,18,10,6,6,2,6,
+  10,12,2,10,6,6,6,8,6,10,6,2,6,6,6,10,
+  8,24,6,22,2,18,4,8,10,30,8,18,4,2,10,6,
+  2,6,4,18,8,12,18,16,6,2,12,6,10,2,10,2,
+  6,10,14,4,24,2,16,2,10,2,10,20,4,2,4,8,
+  16,6,6,2,12,16,8,4,6,30,2,10,2,6,4,6,
+  6,8,6,4,12,6,8,12,4,14,12,10,24,6,12,6,
+  2,22,8,18,10,6,14,4,2,6,10,8,6,4,6,30,
+  14,10,2,12,10,2,16,2,18,24,18,6,16,18,6,2,
+  18,4,6,2,10,8,10,6,6,8,4,6,2,10,2,12,
+  4,6,6,2,12,4,14,18,4,6,20,4,8,6,4,8,
+  4,14,6,4,14,12,4,2,30,4,24,6,6,12,12,14,
+  6,4,2,4,18,6,12,8
+};
+
+short diff3[] =
+{
+  33,32,136,116,24,22,104,114,76,278,238,162,36,44,388,134,
+  130,26,312,42,138,28,24,80,138,108,270,12,330,130,98,102,
+  162,34,36,170,90,34,14,6,24,66,154,218,70,132,188,88,
+  80,82
+};
+
+short diff4[] =
+{
+  91,92,64,6,104,24,46,258,68,18,54,100,68,154,26,4,
+  38,142,168,42,18,26,286,104,136,116,40,2,28,110,52,78,
+  104,24,54,96,4,626,196,24,56,36,52,102,48,156,26,18,
+  42,40
+};
+
+short diff5[] =
+{
+  268,120,320,184,396,2,94,108,20,318,274,14,64,122,220,108,
+  18,174,6,24,348,32,64,116,268,162,20,156,28,110,52,428,
+  196,14,262,30,194,120,300,66,268,12,428,370,212,198,192,130,
+  30,80
+};