Initial commit.

1 files changed, 348 insertions, 0 deletions

diff --git a/gmp-6.3.0/mini-gmp/tests/t-signed.c b/gmp-6.3.0/mini-gmp/tests/t-signed.c
new file mode 100644
index 0000000..cfa40d7
--- /dev/null
+++ b/gmp-6.3.0/mini-gmp/tests/t-signed.c
@@ -0,0 +1,348 @@
+/* Exercise some mpz_..._si functions.
+
+Copyright 2013, 2016, 2020 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 <limits.h>
+#include <stdio.h>
+#include <stdlib.h>
+
+#include "testutils.h"
+
+/* Always called with sz fitting in a signed long, and si is the
+   corresponding value. */
+int
+check_si (const mpz_t sz, long si)
+{
+  mpz_t t;
+
+  /* Checks on sz/si */
+  if ((mpz_cmp_si (sz, si)) != 0)
+    {
+      printf ("mpz_cmp_si (sz, %ld) != 0.\n", si);
+      return 0;
+    }
+  if (mpz_get_si (sz) != si)
+    {
+      printf ("mpz_get_si (sz) != %ld.\n", si);
+      return 0;
+    }
+
+  mpz_init_set_si (t, si);
+
+  if (mpz_cmp (t, sz) != 0)
+    {
+      printf ("mpz_init_set_si (%ld) failed.\n", si);
+      printf (" got="); mpz_out_str (stdout, 10, t); printf ("\n");
+      return 0;
+    }
+
+  mpz_clear (t);
+  return 1;
+}
+
+/* Called with mpz_cmp (sz, oz) == c. If sz fits in a signed long,
+   si is the coresponding value, and similarly for oz and oi. */
+void
+check_si_cmp (const mpz_t sz, const mpz_t oz, long si, long oi, int c)
+{
+  if (mpz_cmp (sz, oz) != c)
+    {
+      printf ("mpz_cmp (sz, oz) != %i.\n", c);
+      goto fail;
+    }
+
+  if (mpz_fits_slong_p (sz))
+    {
+      if (!check_si (sz, si))
+	goto fail;
+      if (mpz_cmp_si (oz, si) != -c)
+	{
+	  printf ("mpz_cmp_si (oz, %ld) != %i.\n", si, -c);
+	  goto fail;
+	}
+    }
+  else
+    {
+      if (mpz_cmp_si (sz, si) != c)
+	{
+	  printf ("mpz_cmp_si (sz, %ld) != %i.\n", si, c);
+	  goto fail;
+	}
+      if (mpz_cmp_si (sz, -c) != c)
+	{
+	  printf ("mpz_cmp_si (sz, %i) != %i.\n", -c, c);
+	  goto fail;
+	}
+    }
+  if (mpz_fits_slong_p (oz))
+    {
+      if (!check_si (oz, oi))
+	goto fail;
+      if (mpz_cmp_si (sz, oi) != c)
+	{
+	  printf ("mpz_cmp_si (sz, %ld) != %i.\n", oi, c);
+	  goto fail;
+	}
+    }
+  return;
+
+ fail:
+  printf (" sz="); mpz_out_str (stdout, 10, sz); printf ("\n");
+  printf (" si=%ld\n", si);
+  printf (" oz="); mpz_out_str (stdout, 10, oz); printf ("\n");
+  printf (" oi=%ld\n", si);
+  abort ();
+}
+
+void
+try_op_si (int c)
+{
+  long  si, oi;
+  mpz_t sz, oz;
+  unsigned overflow_count;
+
+  si = c;
+  mpz_init_set_si (sz, si);
+
+  oi = si;
+  mpz_init_set (oz, sz);
+
+  /* To get a few tests with operands straddling the border, don't
+     stop at the very first operand exceeding a signed long. */
+  for (overflow_count = 0; overflow_count < 10; )
+    {
+      /* c * 2^k */
+      mpz_mul_2exp (sz, sz, 1);
+      if (mpz_fits_slong_p (sz))
+	si *= 2;
+      else
+	overflow_count++;
+
+      check_si_cmp (sz, oz, si, oi, c);
+
+      /* c * (2^k + 1) */
+      if (c == -1)
+	mpz_sub_ui (oz, sz, 1);
+      else
+	mpz_add_ui (oz, sz, 1);
+      if (mpz_fits_slong_p (oz))
+	oi = si + c;
+      else
+	overflow_count++;
+      check_si_cmp (oz, sz, oi, si, c);
+
+      /* c * (2^K - 1) */
+      mpz_mul_si (oz, sz, 2*c);
+      if (c == -1)
+	mpz_ui_sub (oz, 1, oz); /* oz = sz * 2 + 1 */
+      else
+	mpz_sub_ui (oz, oz, 1); /* oz = sz * 2 - 1 */
+      if (mpz_fits_slong_p (oz))
+	oi = (si - c) * 2 + c;
+      else
+	overflow_count++;
+
+      check_si_cmp (oz, sz, oi, si, c);
+    };
+
+  mpz_clear (sz);
+  mpz_clear (oz);
+}
+
+void
+try_fits_slong_p (void)
+{
+  mpz_t x;
+  mpz_init_set_si (x, LONG_MAX);
+  if (!mpz_fits_slong_p (x))
+    {
+      printf ("mpz_fits_slong_p (LONG_MAX) false!\n");
+      abort ();
+    }
+  mpz_add_ui (x, x, 1);
+  if (mpz_fits_slong_p (x))
+    {
+      printf ("mpz_fits_slong_p (LONG_MAX + 1) true!\n");
+      abort ();
+    }
+  mpz_set_si (x, LONG_MIN);
+  if (!mpz_fits_slong_p (x))
+    {
+      printf ("mpz_fits_slong_p (LONG_MIN) false!\n");
+      abort ();
+    }
+  mpz_sub_ui (x, x, 1);
+  if (mpz_fits_slong_p (x))
+    {
+      printf ("mpz_fits_slong_p (LONG_MIN - 1) true!\n");
+      abort ();
+    }
+
+  mpz_clear (x);
+}
+
+void
+try_fits_utype_p (void)
+{
+  mpz_t x;
+  mpz_init (x);
+  if (!mpz_fits_ulong_p (x))
+    {
+      printf ("mpz_fits_ulong_p (0) false!\n");
+      abort ();
+    }
+  if (!mpz_fits_uint_p (x))
+    {
+      printf ("mpz_fits_uint_p (0) false!\n");
+      abort ();
+    }
+  if (!mpz_fits_ushort_p (x))
+    {
+      printf ("mpz_fits_udhort_p (0) false!\n");
+      abort ();
+    }
+  mpz_set_si (x, -1);
+  if (mpz_fits_ulong_p (x))
+    {
+      printf ("mpz_fits_ulong_p (- 1) true!\n");
+      abort ();
+    }
+  if (mpz_fits_uint_p (x))
+    {
+      printf ("mpz_fits_uint_p (- 1) true!\n");
+      abort ();
+    }
+  if (mpz_fits_ushort_p (x))
+    {
+      printf ("mpz_fits_ushort_p (- 1) true!\n");
+      abort ();
+    }
+  mpz_set_ui (x, ULONG_MAX);
+  if (!mpz_fits_ulong_p (x))
+    {
+      printf ("mpz_fits_ulong_p (ULONG_MAX) false!\n");
+      abort ();
+    }
+  mpz_add_ui (x, x, 1);
+  if (mpz_fits_ulong_p (x))
+    {
+      printf ("mpz_fits_ulong_p (ULONG_MAX + 1) true!\n");
+      abort ();
+    }
+  mpz_set_ui (x, UINT_MAX);
+  if (!mpz_fits_uint_p (x))
+    {
+      printf ("mpz_fits_uint_p (UINT_MAX) false!\n");
+      abort ();
+    }
+  mpz_add_ui (x, x, 1);
+  if (mpz_fits_uint_p (x))
+    {
+      printf ("mpz_fits_uint_p (UINT_MAX + 1) true!\n");
+      abort ();
+    }
+  mpz_set_ui (x, USHRT_MAX);
+  if (!mpz_fits_ushort_p (x))
+    {
+      printf ("mpz_fits_ushort_p (USHRT_MAX) false!\n");
+      abort ();
+    }
+  mpz_add_ui (x, x, 1);
+  if (mpz_fits_ushort_p (x))
+    {
+      printf ("mpz_fits_ushort_p (USHRT_MAX + 1) true!\n");
+      abort ();
+    }
+
+  mpz_clear (x);
+}
+
+void
+try_fits_sint_p (void)
+{
+  mpz_t x;
+  mpz_init_set_si (x, INT_MAX);
+  if (!mpz_fits_sint_p (x))
+    {
+      printf ("mpz_fits_sint_p (INT_MAX) false!\n");
+      abort ();
+    }
+  mpz_add_ui (x, x, 1);
+  if (mpz_fits_sint_p (x))
+    {
+      printf ("mpz_fits_sint_p (INT_MAX + 1) true!\n");
+      abort ();
+    }
+  mpz_set_si (x, INT_MIN);
+  if (!mpz_fits_sint_p (x))
+    {
+      printf ("mpz_fits_sint_p (INT_MIN) false!\n");
+      abort ();
+    }
+  mpz_sub_ui (x, x, 1);
+  if (mpz_fits_sint_p (x))
+    {
+      printf ("mpz_fits_sint_p (INT_MIN - 1) true!\n");
+      abort ();
+    }
+
+  mpz_clear (x);
+}
+
+void
+try_fits_sshort_p (void)
+{
+  mpz_t x;
+  mpz_init_set_si (x, SHRT_MAX);
+  if (!mpz_fits_sshort_p (x))
+    {
+      printf ("mpz_fits_sshort_p (SHRT_MAX) false!\n");
+      abort ();
+    }
+  mpz_add_ui (x, x, 1);
+  if (mpz_fits_sshort_p (x))
+    {
+      printf ("mpz_fits_sshort_p (SHRT_MAX + 1) true!\n");
+      abort ();
+    }
+  mpz_set_si (x, SHRT_MIN);
+  if (!mpz_fits_sshort_p (x))
+    {
+      printf ("mpz_fits_sshort_p (SHRT_MIN) false!\n");
+      abort ();
+    }
+  mpz_sub_ui (x, x, 1);
+  if (mpz_fits_sshort_p (x))
+    {
+      printf ("mpz_fits_sshort_p (SHRT_MIN - 1) true!\n");
+      abort ();
+    }
+
+  mpz_clear (x);
+}
+
+void
+testmain (int argc, char *argv[])
+{
+  try_fits_slong_p ();
+  try_fits_sint_p ();
+  try_fits_sshort_p ();
+  try_fits_utype_p ();
+  try_op_si (-1);
+  try_op_si (1);
+}