[project @ 1998-06-05 14:38:07 by simonm]

[ghc-hetmet.git] / ghc / rts / gmp / mpz / tests / convert.c

diff --git a/ghc/rts/gmp/mpz/tests/convert.c b/ghc/rts/gmp/mpz/tests/convert.c
new file mode 100644 (file)
index 0000000..1d82370
--- /dev/null
+++ b/ghc/rts/gmp/mpz/tests/convert.c
@@ -0,0 +1,80 @@
+/* Test conversion using mpz_get_str and mpz_set_str.
+
+Copyright (C) 1993, 1994, 1996 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 Library General Public License as published by
+the Free Software Foundation; either version 2 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 Library General Public
+License for more details.
+
+You should have received a copy of the GNU Library General Public License
+along with the GNU MP 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 <stdio.h>
+#include "gmp.h"
+#include "gmp-impl.h"
+#include "urandom.h"
+
+void debug_mp ();
+
+#ifndef SIZE
+#define SIZE 32
+#endif
+
+main (argc, argv)
+     int argc;
+     char **argv;
+{
+  MP_INT op1, op2;
+  mp_size_t size;
+  int i;
+  int reps = 100000;
+  char *str;
+  int base;
+
+  if (argc == 2)
+     reps = atoi (argv[1]);
+
+  mpz_init (&op1);
+  mpz_init (&op2);
+
+  for (i = 0; i < reps; i++)
+    {
+      size = urandom () % SIZE - SIZE/2;
+
+      mpz_random2 (&op1, size);
+      base = urandom () % 36 + 1;
+      if (base == 1)
+       base = 0;
+
+      str = mpz_get_str ((char *) 0, base, &op1);
+      mpz_set_str (&op2, str, base);
+      free (str);
+
+      if (mpz_cmp (&op1, &op2))
+       {
+         fprintf (stderr, "ERROR\n");
+         fprintf (stderr, "op1  = "); debug_mp (&op1, -16);
+         fprintf (stderr, "base = %d\n", base);
+         abort ();
+       }
+    }
+
+  exit (0);
+}
+
+void
+debug_mp (x, base)
+     MP_INT *x;
+{
+  mpz_out_str (stderr, base, x); fputc ('\n', stderr);
+}