Add libgmp 6.2.0 to third_party
Don't build it yet. That will come in the next review.
Change-Id: Idf3266558165e5ab45f4a41c98cc8c838c8244d5
diff --git a/third_party/gmp/tests/mpf/t-conv.c b/third_party/gmp/tests/mpf/t-conv.c
new file mode 100644
index 0000000..a64e86f
--- /dev/null
+++ b/third_party/gmp/tests/mpf/t-conv.c
@@ -0,0 +1,242 @@
+/* Test mpf_get_str and mpf_set_str.
+
+Copyright 1996, 2000, 2001, 2008, 2019 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 <string.h> /* for strlen */
+
+#include "gmp-impl.h"
+#include "tests.h"
+
+#ifndef SIZE
+#define SIZE 10
+#endif
+
+#ifndef EXPO
+#define EXPO 200
+#endif
+
+int
+main (int argc, char **argv)
+{
+ mpf_t x, y;
+ int reps = 20000;
+ int i;
+ mp_size_t bprec = 100;
+ mpf_t d, rerr, max_rerr, limit_rerr;
+ char *str;
+ mp_exp_t bexp;
+ long size, exp;
+ int base;
+ char buf[SIZE * GMP_LIMB_BITS + 5];
+
+ tests_start ();
+
+ 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 (x);
+ mpf_init (y);
+ mpf_init (d);
+
+ /* First test some specific values. */
+
+ mpf_set_str (y, "1.23456", 0);
+ mpf_set_str (x, "1.23456", 10);
+ MPF_CHECK_FORMAT (x);
+ if (mpf_cmp (x, y) != 0)
+ abort ();
+ mpf_set_str (x, "00000000000000000000000000000000000000001.23456", 10);
+ MPF_CHECK_FORMAT (x);
+ if (mpf_cmp (x, y) != 0)
+ abort ();
+ mpf_set_str (x, "0.000000000000000000000000000000000000000123456e40", 10);
+ MPF_CHECK_FORMAT (x);
+ if (mpf_cmp (x, y) != 0)
+ abort ();
+ mpf_set_str (x, ".000000000000000000000000000000000000000123456e40", 10);
+ MPF_CHECK_FORMAT (x);
+ if (mpf_cmp (x, y) != 0)
+ abort ();
+ mpf_set_str (x, "00000000000000000000.00000000000000000000123456e21", 10);
+ MPF_CHECK_FORMAT (x);
+ if (mpf_cmp (x, y) != 0)
+ abort ();
+
+ mpf_set_str (y, "1.23456e1000", 0);
+ mpf_set_str (x, "1.23456e1000", 10);
+ if (mpf_cmp (x, y) != 0)
+ abort ();
+ mpf_set_str (x, "1.23456e+1000", 0);
+ if (mpf_cmp (x, y) != 0)
+ abort ();
+ mpf_set_str (x, "1.23456e+1000", 10);
+ if (mpf_cmp (x, y) != 0)
+ abort ();
+ mpf_set_str (x, "00000000000000000000000000000000000000001.23456e+1000", 10);
+ MPF_CHECK_FORMAT (x);
+ if (mpf_cmp (x, y) != 0)
+ abort ();
+ mpf_set_str (x, "0.000000000000000000000000000000000000000123456e+1040", 10);
+ MPF_CHECK_FORMAT (x);
+ if (mpf_cmp (x, y) != 0)
+ abort ();
+ mpf_set_str (x, ".000000000000000000000000000000000000000123456e+1040", 10);
+ MPF_CHECK_FORMAT (x);
+ if (mpf_cmp (x, y) != 0)
+ abort ();
+ mpf_set_str (x, "00000000000000000000.00000000000000000000123456e+1021", 10);
+ MPF_CHECK_FORMAT (x);
+ if (mpf_cmp (x, y) != 0)
+ abort ();
+
+ mpf_set_str (y, "1.23456", 16);
+ mpf_set_str (x, "00000000000000000000000000000000000000001.23456", 16);
+ MPF_CHECK_FORMAT (x);
+ if (mpf_cmp (x, y) != 0)
+ abort ();
+ mpf_set_str (x, "0.000000000000000000000000000000000000000123456@28", 16);
+ MPF_CHECK_FORMAT (x);
+ if (mpf_cmp (x, y) != 0)
+ abort ();
+ mpf_set_str (x, ".000000000000000000000000000000000000000123456@28", 16);
+ MPF_CHECK_FORMAT (x);
+ if (mpf_cmp (x, y) != 0)
+ abort ();
+ mpf_set_str (x, "00000000000000000000.00000000000000000000123456@15", 16);
+ MPF_CHECK_FORMAT (x);
+ if (mpf_cmp (x, y) != 0)
+ abort ();
+
+ mpf_set_str (y, "0", 10);
+ mpf_set_str (x, "00000000000000000000000000000000000000000000000000000", 10);
+ MPF_CHECK_FORMAT (x);
+ if (mpf_cmp (x, y) != 0)
+ abort ();
+ mpf_set_str (x, "0000000000000000000000000000000000000000000000000000.", 10);
+ MPF_CHECK_FORMAT (x);
+ if (mpf_cmp (x, y) != 0)
+ abort ();
+ mpf_set_str (x, "000000000000000000000000000000000000000000000000000.0", 10);
+ MPF_CHECK_FORMAT (x);
+ if (mpf_cmp (x, y) != 0)
+ abort ();
+ mpf_set_str (x, ".0000000000000000000000000000000000000000000000000000", 10);
+ MPF_CHECK_FORMAT (x);
+ if (mpf_cmp (x, y) != 0)
+ abort ();
+ mpf_set_str (x, "0.000000000000000000000000000000000000000000000000000", 10);
+ MPF_CHECK_FORMAT (x);
+ if (mpf_cmp (x, y) != 0)
+ abort ();
+
+ mpf_set_str (y, "0", 16);
+ mpf_set_str (x, "00000000000000000000000000000000000000000000000000000", 16);
+ MPF_CHECK_FORMAT (x);
+ if (mpf_cmp (x, y) != 0)
+ abort ();
+ mpf_set_str (x, "0000000000000000000000000000000000000000000000000000.", 16);
+ MPF_CHECK_FORMAT (x);
+ if (mpf_cmp (x, y) != 0)
+ abort ();
+ mpf_set_str (x, "000000000000000000000000000000000000000000000000000.0", 16);
+ MPF_CHECK_FORMAT (x);
+ if (mpf_cmp (x, y) != 0)
+ abort ();
+ mpf_set_str (x, ".0000000000000000000000000000000000000000000000000000", 16);
+ MPF_CHECK_FORMAT (x);
+ if (mpf_cmp (x, y) != 0)
+ abort ();
+ mpf_set_str (x, "0.000000000000000000000000000000000000000000000000000", 16);
+ MPF_CHECK_FORMAT (x);
+ if (mpf_cmp (x, y) != 0)
+ abort ();
+
+ /* Now test random values. */
+
+ for (i = 0; i < reps; i++)
+ {
+ if (i == 0)
+ {
+ /* exercise the special case in get_str for for x==0 */
+ mpf_set_ui (x, 0L);
+ base = 0;
+ }
+ else
+ {
+ size = urandom () % (2 * SIZE) - SIZE;
+ exp = urandom () % EXPO;
+ mpf_random2 (x, size, exp);
+ base = urandom () % 62;
+ base += base > 0;
+ }
+
+ str = mpf_get_str (0, &bexp, base, 0, x);
+
+ if (str[0] == '-')
+ sprintf (buf, "-0.%s@%ld", str + 1, bexp);
+ else
+ sprintf (buf, "0.%s@%ld", str, bexp);
+
+ mpf_set_str_or_abort (y, buf, -base);
+ (*__gmp_free_func) (str, strlen (str) + 1);
+
+ mpf_reldiff (rerr, x, y);
+ 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 ("base = %d\n", base);
+ printf (" x = "); mpf_dump (x);
+ printf (" y = "); mpf_dump (y);
+ abort ();
+ }
+ }
+ }
+
+ mpf_clear (limit_rerr);
+ mpf_clear (rerr);
+ mpf_clear (max_rerr);
+
+ mpf_clear (x);
+ mpf_clear (y);
+ mpf_clear (d);
+
+ tests_end ();
+ exit (0);
+}