Revert "Remove gmp from AOS"
This reverts commit f37c97684f0910a3f241394549392f00145ab0f7.
We need gmp for SymEngine for symbolicmanipultion in C++
Change-Id: Ia13216d1715cf96944f7b4f422b7a799f921d4a4
Signed-off-by: Austin Schuh <austin.linux@gmail.com>
diff --git a/third_party/gmp/tests/mpf/t-eq.c b/third_party/gmp/tests/mpf/t-eq.c
new file mode 100644
index 0000000..7b80b02
--- /dev/null
+++ b/third_party/gmp/tests/mpf/t-eq.c
@@ -0,0 +1,217 @@
+/* Test mpf_eq.
+
+Copyright 2009, 2012 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"
+
+#define SZ (2 * sizeof(mp_limb_t))
+
+void insert_random_low_zero_limbs (mpf_t, gmp_randstate_ptr);
+void dump_abort (mpf_t, mpf_t, int, int, int, int, int, long);
+void hexdump (mpf_t);
+
+void
+check_data (void)
+{
+ static const struct
+ {
+ struct {
+ int exp, size;
+ mp_limb_t d[10];
+ } x, y;
+ mp_bitcnt_t bits;
+ int want;
+
+ } data[] = {
+ { { 0, 0, { 0 } }, { 0, 0, { 0 } }, 0, 1 },
+
+ { { 0, 1, { 7 } }, { 0, 1, { 7 } }, 0, 1 },
+ { { 0, 1, { 7 } }, { 0, 1, { 7 } }, 17, 1 },
+ { { 0, 1, { 7 } }, { 0, 1, { 7 } }, 4711, 1 },
+
+ { { 0, 1, { 7 } }, { 0, 1, { 6 } }, 0, 1 },
+ { { 0, 1, { 7 } }, { 0, 1, { 6 } }, 2, 1 },
+ { { 0, 1, { 7 } }, { 0, 1, { 6 } }, 3, 0 },
+
+ { { 0, 0, { 0 } }, { 0, 1, { 1 } }, 0, 0 },
+ { { 0, 1, { 1 } }, { 0,-1 ,{ 1 } }, 0, 0 },
+ { { 1, 1, { 1 } }, { 0, 1, { 1 } }, 0, 0 },
+
+ { { 0, 1, { 8 } }, { 0, 1, { 4 } }, 0, 0 },
+
+ { { 0, 2, { 0, 3 } }, { 0, 1, { 3 } }, 1000, 1 },
+ };
+
+ mpf_t x, y;
+ int got, got_swapped;
+ int i;
+ mp_trace_base = 16;
+
+ for (i = 0; i < numberof (data); i++)
+ {
+ PTR(x) = (mp_ptr) data[i].x.d;
+ SIZ(x) = data[i].x.size;
+ EXP(x) = data[i].x.exp;
+ PREC(x) = numberof (data[i].x.d);
+ MPF_CHECK_FORMAT (x);
+
+ PTR(y) = (mp_ptr) data[i].y.d;
+ SIZ(y) = data[i].y.size;
+ EXP(y) = data[i].y.exp;
+ PREC(y) = numberof (data[i].y.d);
+ MPF_CHECK_FORMAT (y);
+
+ got = mpf_eq (x, y, data[i].bits);
+ got_swapped = mpf_eq (y, x, data[i].bits);
+
+ if (got != got_swapped || got != data[i].want)
+ {
+ printf ("check_data() wrong result at data[%d]\n", i);
+ mpf_trace ("x ", x);
+ mpf_trace ("y ", y);
+ printf ("got %d\n", got);
+ printf ("got_swapped %d\n", got_swapped);
+ printf ("want %d\n", data[i].want);
+ abort ();
+ }
+ }
+}
+
+void
+check_random (long reps)
+{
+ unsigned long test;
+ gmp_randstate_ptr rands = RANDS;
+ mpf_t a, b, x;
+ mpz_t ds;
+ int hibits, lshift1, lshift2;
+ int xtra;
+
+#define HIBITS 10
+#define LSHIFT1 10
+#define LSHIFT2 10
+
+ mpf_set_default_prec ((1 << HIBITS) + (1 << LSHIFT1) + (1 << LSHIFT2));
+
+ mpz_init (ds);
+ mpf_inits (a, b, x, NULL);
+
+ for (test = 0; test < reps; test++)
+ {
+ mpz_urandomb (ds, rands, HIBITS);
+ hibits = mpz_get_ui (ds) + 1;
+ mpz_urandomb (ds, rands, hibits);
+ mpz_setbit (ds, hibits - 1); /* make sure msb is set */
+ mpf_set_z (a, ds);
+ mpf_set_z (b, ds);
+
+ mpz_urandomb (ds, rands, LSHIFT1);
+ lshift1 = mpz_get_ui (ds);
+ mpf_mul_2exp (a, a, lshift1 + 1);
+ mpf_mul_2exp (b, b, lshift1 + 1);
+ mpf_add_ui (a, a, 1); /* make a one-bit difference */
+
+ mpz_urandomb (ds, rands, LSHIFT2);
+ lshift2 = mpz_get_ui (ds);
+ mpf_mul_2exp (a, a, lshift2);
+ mpf_mul_2exp (b, b, lshift2);
+ mpz_urandomb (ds, rands, lshift2);
+ mpf_set_z (x, ds);
+ mpf_add (a, a, x);
+ mpf_add (b, b, x);
+
+ insert_random_low_zero_limbs (a, rands);
+ insert_random_low_zero_limbs (b, rands);
+
+ if (mpf_eq (a, b, lshift1 + hibits) == 0 ||
+ mpf_eq (b, a, lshift1 + hibits) == 0)
+ {
+ dump_abort (a, b, lshift1 + hibits, lshift1, lshift2, hibits, 1, test);
+ }
+ for (xtra = 1; xtra < 100; xtra++)
+ if (mpf_eq (a, b, lshift1 + hibits + xtra) != 0 ||
+ mpf_eq (b, a, lshift1 + hibits + xtra) != 0)
+ {
+ dump_abort (a, b, lshift1 + hibits + xtra, lshift1, lshift2, hibits, 0, test);
+ }
+ }
+
+ mpf_clears (a, b, x, NULL);
+ mpz_clear (ds);
+}
+
+void
+insert_random_low_zero_limbs (mpf_t x, gmp_randstate_ptr rands)
+{
+ mp_size_t max = PREC(x) - SIZ(x);
+ mp_size_t s;
+ mpz_t ds; mpz_init (ds);
+ mpz_urandomb (ds, rands, 32);
+ s = mpz_get_ui (ds) % (max + 1);
+ MPN_COPY_DECR (PTR(x) + s, PTR(x), SIZ(x));
+ MPN_ZERO (PTR(x), s);
+ SIZ(x) += s;
+ mpz_clear (ds);
+}
+
+void
+dump_abort (mpf_t a, mpf_t b, int cmp_prec, int lshift1, int lshift2, int hibits, int want, long test)
+{
+ printf ("ERROR in test %ld\n", test);
+ printf ("want %d got %d from mpf_eq\n", want, 1-want);
+ printf ("cmp_prec = %d\n", cmp_prec);
+ printf ("lshift1 = %d\n", lshift1);
+ printf ("lshift2 = %d\n", lshift2);
+ printf ("hibits = %d\n", hibits);
+ hexdump (a); puts ("");
+ hexdump (b); puts ("");
+ abort ();
+}
+
+void
+hexdump (mpf_t x)
+{
+ mp_size_t i;
+ for (i = ABSIZ(x) - 1; i >= 0; i--)
+ {
+ gmp_printf ("%0*MX", SZ, PTR(x)[i]);
+ if (i != 0)
+ printf (" ");
+ }
+}
+
+int
+main (int argc, char *argv[])
+{
+ long reps = 10000;
+
+ if (argc == 2)
+ reps = strtol (argv[1], 0, 0);
+
+ tests_start ();
+
+ check_data ();
+ check_random (reps);
+
+ tests_end ();
+ exit (0);
+}