[gcc] GCC 4.5.0=>4.5.1

gcc/mpfr/tests/tmul_2exp.c

Index: gcc/mpfr/tests/tmul_2exp.c
diff --git a/gcc/mpfr/tests/tmul_2exp.c b/gcc/mpfr/tests/tmul_2exp.c
deleted file mode 100644
index e802ac24b057f42bee512f42fd75d23cbb52507d..0000000000000000000000000000000000000000
--- a/gcc/mpfr/tests/tmul_2exp.c
+++ /dev/null
@@ -1,227 +0,0 @@
-/* Test file for mpfr_{mul,div}_2{ui,si}.
-
-Copyright 1999, 2001, 2002, 2003, 2004, 2006, 2007, 2008, 2009 Free Software Foundation, Inc.
-Contributed by the Arenaire and Cacao projects, INRIA.
-
-This file is part of the GNU MPFR Library.
-
-The GNU MPFR Library is free software; you can redistribute it and/or modify
-it under the terms of the GNU Lesser General Public License as published by
-the Free Software Foundation; either version 2.1 of the License, or (at your
-option) any later version.
-
-The GNU MPFR 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 Lesser General Public
-License for more details.
-
-You should have received a copy of the GNU Lesser General Public License
-along with the GNU MPFR Library; see the file COPYING.LIB.  If not, write to
-the Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,
-MA 02110-1301, USA. */
-
-#include <stdio.h>
-#include <stdlib.h>
-
-#include "mpfr-test.h"
-
-static const char * const val[] = {
-  "1.0001@100","4.0004000000000@102", "4.0004000000000@97",
-  "1.ABF012345@-100","6.afc048d140000@-98","6.afc048d140000@-103",
-  "F.FFFFFFFFF@10000","3.fffffffffc000@10003","3.fffffffffc000@9998",
-  "1.23456789ABCDEF@42","4.8d159e26af37c@44","4.8d159e26af37c@39",
-  "17@42","5.c000000000000@45","5.c000000000000@40",
-  "42@-17","1.0800000000000@-13","1.0800000000000@-18"
-};
-
-static int
-test_mul (int i, int div, mpfr_ptr y, mpfr_srcptr x,
-          unsigned long int n, mp_rnd_t r)
-{
-  return
-    i == 0 ? (div ? mpfr_div_2ui : mpfr_mul_2ui) (y, x, n, r) :
-    i == 1 ? (div ? mpfr_div_2si : mpfr_mul_2si) (y, x, n, r) :
-    i == 2 ? (div ? mpfr_mul_2si : mpfr_div_2si) (y, x, -n, r) :
-    (exit (1), 0);
-}
-
-static void
-underflow (mp_exp_t e)
-{
-  mpfr_t x, y, z1, z2;
-  mp_exp_t emin;
-  int i, k;
-  int prec;
-  int rnd;
-  int div;
-  int inex1, inex2;
-  unsigned int flags1, flags2;
-
-  /* Test mul_2si(x, e - k), div_2si(x, k - e) and div_2ui(x, k - e)
-   * with emin = e, x = 1 + i/16, i in { -1, 0, 1 }, and k = 1 to 4,
-   * by comparing the result with the one of a simple division.
-   */
-  emin = mpfr_get_emin ();
-  set_emin (e);
-  mpfr_inits2 (8, x, y, (mpfr_ptr) 0);
-  for (i = 15; i <= 17; i++)
-    {
-      inex1 = mpfr_set_ui_2exp (x, i, -4, GMP_RNDN);
-      MPFR_ASSERTN (inex1 == 0);
-      for (prec = 6; prec >= 3; prec -= 3)
-        {
-          mpfr_inits2 (prec, z1, z2, (mpfr_ptr) 0);
-          RND_LOOP (rnd)
-            for (k = 1; k <= 4; k++)
-              {
-                /* The following one is assumed to be correct. */
-                inex1 = mpfr_mul_2si (y, x, e, GMP_RNDN);
-                MPFR_ASSERTN (inex1 == 0);
-                inex1 = mpfr_set_ui (z1, 1 << k, GMP_RNDN);
-                MPFR_ASSERTN (inex1 == 0);
-                mpfr_clear_flags ();
-                /* Do not use mpfr_div_ui to avoid the optimization
-                   by mpfr_div_2si. */
-                inex1 = mpfr_div (z1, y, z1, (mpfr_rnd_t) rnd);
-                flags1 = __gmpfr_flags;
-
-              for (div = 0; div <= 2; div++)
-                {
-                  mpfr_clear_flags ();
-                  inex2 = div == 0 ?
-                    mpfr_mul_2si (z2, x, e - k, (mpfr_rnd_t) rnd) : div == 1 ?
-                    mpfr_div_2si (z2, x, k - e, (mpfr_rnd_t) rnd) :
-                    mpfr_div_2ui (z2, x, k - e, (mpfr_rnd_t) rnd);
-                  flags2 = __gmpfr_flags;
-                  if (flags1 == flags2 && SAME_SIGN (inex1, inex2) &&
-                      mpfr_equal_p (z1, z2))
-                    continue;
-                  printf ("Error in underflow(");
-                  if (e == MPFR_EMIN_MIN)
-                    printf ("MPFR_EMIN_MIN");
-                  else if (e == emin)
-                    printf ("default emin");
-                  else
-                    printf ("%ld", e);
-                  printf (")\nwith %s, x = %d/16, prec = %d, k = %d, mpfr_%s",
-                          div == 0 ? "mul_2si" : div == 1 ? "div_2si" :
-                          "div_2ui", i, prec, k, mpfr_print_rnd_mode ((mpfr_rnd_t) rnd));
-                  printf ("\nExpected ");
-                  mpfr_out_str (stdout, 16, 0, z1, GMP_RNDN);
-                  printf (", inex = %d, flags = %u\n", SIGN (inex1), flags1);
-                  printf ("Got      ");
-                  mpfr_out_str (stdout, 16, 0, z2, GMP_RNDN);
-                  printf (", inex = %d, flags = %u\n", SIGN (inex2), flags2);
-                  exit (1);
-                }  /* div */
-              }  /* k */
-          mpfr_clears (z1, z2, (mpfr_ptr) 0);
-        }  /* prec */
-    }  /* i */
-  mpfr_clears (x, y, (mpfr_ptr) 0);
-  set_emin (emin);
-}
-
-static void
-underflow0 (void)
-{
-  underflow (-256);
-  if (mpfr_get_emin () != MPFR_EMIN_MIN)
-    underflow (mpfr_get_emin ());
-  underflow (MPFR_EMIN_MIN);
-}
-
-int
-main (int argc, char *argv[])
-{
-  mpfr_t w,z;
-  unsigned long k;
-  int i;
-
-  tests_start_mpfr ();
-
-  mpfr_inits2 (53, w, z, (mpfr_ptr) 0);
-
-  for (i = 0; i < 3; i++)
-    {
-      mpfr_set_inf (w, 1);
-      test_mul (i, 0, w, w, 10, GMP_RNDZ);
-      if (!MPFR_IS_INF(w))
-        {
-          printf ("Result is not Inf (i = %d)\n", i);
-          exit (1);
-        }
-
-      mpfr_set_nan (w);
-      test_mul (i, 0, w, w, 10, GMP_RNDZ);
-      if (!MPFR_IS_NAN(w))
-        {
-          printf ("Result is not NaN (i = %d)\n", i);
-          exit (1);
-        }
-
-      for (k = 0 ; k < numberof(val) ; k+=3)
-        {
-          mpfr_set_str (w, val[k], 16, GMP_RNDN);
-          test_mul (i, 0, z, w, 10, GMP_RNDZ);
-          if (mpfr_cmp_str (z, val[k+1], 16, GMP_RNDN))
-            {
-              printf ("ERROR for x * 2^n (i = %d) for %s\n", i, val[k]);
-              printf ("Expected: %s\n"
-                      "Got     : ", val[k+1]);
-              mpfr_out_str (stdout, 16, 0, z, GMP_RNDN);
-              putchar ('\n');
-              exit (1);
-            }
-          test_mul (i, 1, z, w, 10, GMP_RNDZ);
-          if (mpfr_cmp_str (z, val[k+2], 16, GMP_RNDN))
-            {
-              printf ("ERROR for x / 2^n (i = %d) for %s\n", i, val[k]);
-              printf ("Expected: %s\n"
-                      "Got     : ", val[k+2]);
-              mpfr_out_str (stdout, 16, 0, z, GMP_RNDN);
-              putchar ('\n');
-              exit (1);
-            }
-        }
-
-      mpfr_set_inf (w, 1);
-      mpfr_nextbelow (w);
-      test_mul (i, 0, w, w, 1, GMP_RNDN);
-      if (!mpfr_inf_p (w))
-        {
-          printf ("Overflow error (i = %d)!\n", i);
-          exit (1);
-        }
-      mpfr_set_ui (w, 0, GMP_RNDN);
-      mpfr_nextabove (w);
-      test_mul (i, 1, w, w, 1, GMP_RNDN);
-      if (mpfr_cmp_ui (w, 0))
-        {
-          printf ("Underflow error (i = %d)!\n", i);
-          exit (1);
-        }
-    }
-
-  if (MPFR_EXP_MAX >= LONG_MAX/2 && MPFR_EXP_MIN <= LONG_MAX/2-LONG_MAX-1)
-    {
-      unsigned long lmp1 = (unsigned long) LONG_MAX + 1;
-
-      mpfr_set_ui (w, 1, GMP_RNDN);
-      mpfr_mul_2ui (w, w, LONG_MAX/2, GMP_RNDZ);
-      mpfr_div_2ui (w, w, lmp1, GMP_RNDZ);
-      mpfr_mul_2ui (w, w, lmp1 - LONG_MAX/2, GMP_RNDZ);
-      if (!mpfr_cmp_ui (w, 1))
-        {
-          printf ("Underflow LONG_MAX error!\n");
-          exit (1);
-        }
-    }
-
-  mpfr_clears (w, z, (mpfr_ptr) 0);
-
-  underflow0 ();
-
-  tests_end_mpfr ();
-  return 0;
-}