Clean import of libgmp 2.0.2, with only the non-x86 bits removed.

BMakefiles and other bits will follow.

Requested by:	Andrey Chernov
Made world by:	Chuck Robey

1 files changed, 117 insertions, 0 deletions

diff --git a/contrib/libgmp/mpf/tests/t-add.c b/contrib/libgmp/mpf/tests/t-add.c
new file mode 100644
index 0000000..6f985bb
--- /dev/null
+++ b/contrib/libgmp/mpf/tests/t-add.c
@@ -0,0 +1,117 @@
+/* Test mpf_add.
+
+Copyright (C) 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"
+
+#ifndef SIZE
+#define SIZE 16
+#endif
+
+#if __STDC__
+void ref_mpf_add (mpf_t, const mpf_t, const mpf_t);
+void ref_mpf_sub (mpf_t, const mpf_t, const mpf_t);
+#else
+void ref_mpf_add ();
+void ref_mpf_sub ();
+#endif
+
+main (argc, argv)
+     int argc;
+     char **argv;
+{
+  mp_size_t size;
+  mp_exp_t exp;
+  int reps = 100000;
+  int i;
+  mpf_t u, v, w, wref;
+  mp_size_t bprec = 100;
+  mpf_t rerr, max_rerr, limit_rerr;
+
+  if (argc > 1)
+    {
+      reps = strtol (argv[1], 0, 0);
+      if (argc > 2)
+	bprec = strtol (argv[2], 0, 0);
+    }
+
+  mpf_set_default_prec (bprec);
+
+  mpf_init_set_ui (limit_rerr, 1);
+  mpf_div_2exp (limit_rerr, limit_rerr, bprec);
+#if VERBOSE
+  mpf_dump (limit_rerr);
+#endif
+  mpf_init (rerr);
+  mpf_init_set_ui (max_rerr, 0);
+
+  mpf_init (u);
+  mpf_init (v);
+  mpf_init (w);
+  mpf_init (wref);
+  for (i = 0; i < reps; i++)
+    {
+      size = urandom () % (2 * SIZE) - SIZE;
+      exp = urandom () % SIZE;
+      mpf_random2 (u, size, exp);
+
+      size = urandom () % (2 * SIZE) - SIZE;
+      exp = urandom () % SIZE;
+      mpf_random2 (v, size, exp);
+
+      mpf_add (w, u, v);
+      ref_mpf_add (wref, u, v);
+
+      mpf_reldiff (rerr, w, wref);
+      if (mpf_cmp (rerr, max_rerr) > 0)
+	{
+	  mpf_set (max_rerr, rerr);
+#if VERBOSE
+	  mpf_dump (max_rerr);
+#endif
+	  if (mpf_cmp (rerr, limit_rerr) > 0)
+	    {
+	      printf ("ERROR after %d tests\n", i);
+	      printf ("   u = "); mpf_dump (u);
+	      printf ("   v = "); mpf_dump (v);
+	      printf ("wref = "); mpf_dump (wref);
+	      printf ("   w = "); mpf_dump (w);
+	      abort ();
+	    }
+	}
+    }
+
+  exit (0);
+}
+
+oo (x)
+     mpf_t x;
+{
+  mp_size_t i;
+  printf (" exp = %ld\n", x->_mp_exp);
+  printf ("size = %d\n", x->_mp_size);
+  for (i = ABS (x->_mp_size) - 1; i >= 0; i--)
+    printf ("%08lX ", x->_mp_d[i]);
+  printf ("\n");
+  mpf_dump (x);
+}