Index: gcc/mpfr/tests/tui_div.c |
diff --git a/gcc/mpfr/tests/tui_div.c b/gcc/mpfr/tests/tui_div.c |
deleted file mode 100644 |
index d4f596b32477e96056dbbc3f71f78e1823758259..0000000000000000000000000000000000000000 |
--- a/gcc/mpfr/tests/tui_div.c |
+++ /dev/null |
@@ -1,192 +0,0 @@ |
-/* Test file for mpfr_ui_div. |
- |
-Copyright 2000, 2001, 2002, 2003, 2004, 2005, 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" |
- |
-/* checks that y/x gives the right result with 53 bits of precision */ |
-static void |
-check (unsigned long y, const char *xs, mp_rnd_t rnd_mode, const char *zs) |
-{ |
- mpfr_t xx, zz; |
- |
- mpfr_inits2 (53, xx, zz, (mpfr_ptr) 0); |
- mpfr_set_str1 (xx, xs); |
- mpfr_ui_div (zz, y, xx, rnd_mode); |
- if (mpfr_cmp_str1(zz, zs)) |
- { |
- printf ("expected quotient is %s, got ", zs); |
- mpfr_out_str (stdout, 10, 0, zz, GMP_RNDN); |
- printf ("mpfr_ui_div failed for y=%lu x=%s with rnd_mode=%s\n", |
- y, xs, mpfr_print_rnd_mode (rnd_mode)); |
- exit (1); |
- } |
- mpfr_clears (xx, zz, (mpfr_ptr) 0); |
-} |
- |
-static void |
-check_inexact (void) |
-{ |
- mpfr_t x, y, z; |
- mp_prec_t px, py; |
- int inexact, cmp; |
- unsigned long int u; |
- int rnd; |
- |
- mpfr_init (x); |
- mpfr_init (y); |
- mpfr_init (z); |
- |
- for (px=2; px<300; px++) |
- { |
- mpfr_set_prec (x, px); |
- do |
- { |
- mpfr_urandomb (x, RANDS); |
- } |
- while (mpfr_cmp_ui (x, 0) == 0); |
- u = randlimb (); |
- for (py=2; py<300; py++) |
- { |
- mpfr_set_prec (y, py); |
- mpfr_set_prec (z, py + px); |
- for (rnd = 0; rnd < GMP_RND_MAX; rnd++) |
- { |
- inexact = mpfr_ui_div (y, u, x, (mp_rnd_t) rnd); |
- if (mpfr_mul (z, y, x, (mp_rnd_t) rnd)) |
- { |
- printf ("z <- y * x should be exact\n"); |
- exit (1); |
- } |
- cmp = mpfr_cmp_ui (z, u); |
- if (((inexact == 0) && (cmp != 0)) || |
- ((inexact > 0) && (cmp <= 0)) || |
- ((inexact < 0) && (cmp >= 0))) |
- { |
- printf ("Wrong inexact flag for u=%lu, rnd=%s\n", |
- u, mpfr_print_rnd_mode ((mp_rnd_t) rnd)); |
- printf ("expected %d, got %d\n", cmp, inexact); |
- printf ("x="); mpfr_print_binary (x); puts (""); |
- printf ("y="); mpfr_print_binary (y); puts (""); |
- printf ("y*x="); mpfr_print_binary (z); puts (""); |
- exit (1); |
- } |
- } |
- } |
- } |
- |
- mpfr_clear (x); |
- mpfr_clear (y); |
- mpfr_clear (z); |
-} |
- |
-static void |
-check_nan (void) |
-{ |
- mpfr_t d, q; |
- |
- mpfr_init2 (d, 100L); |
- mpfr_init2 (q, 100L); |
- |
- /* 1/+inf == 0 */ |
- MPFR_CLEAR_FLAGS (d); |
- MPFR_SET_INF (d); |
- MPFR_SET_POS (d); |
- MPFR_ASSERTN (mpfr_ui_div (q, 1L, d, GMP_RNDZ) == 0); /* exact */ |
- MPFR_ASSERTN (mpfr_number_p (q)); |
- MPFR_ASSERTN (mpfr_sgn (q) == 0); |
- |
- /* 1/-inf == -0 */ |
- MPFR_CLEAR_FLAGS (d); |
- MPFR_SET_INF (d); |
- MPFR_SET_NEG (d); |
- MPFR_ASSERTN (mpfr_ui_div (q, 1L, d, GMP_RNDZ) == 0); /* exact */ |
- MPFR_ASSERTN (mpfr_number_p (q)); |
- MPFR_ASSERTN (mpfr_sgn (q) == 0); |
- |
- /* 1/nan == nan */ |
- MPFR_SET_NAN (d); |
- MPFR_ASSERTN (mpfr_ui_div (q, 1L, d, GMP_RNDZ) == 0); /* exact */ |
- MPFR_ASSERTN (mpfr_nan_p (q)); |
- |
- /* 0/0 == nan */ |
- mpfr_set_ui (d, 0L, GMP_RNDN); |
- MPFR_ASSERTN (mpfr_ui_div (q, 0L, d, GMP_RNDZ) == 0); /* exact */ |
- MPFR_ASSERTN (mpfr_nan_p (q)); |
- |
- /* 1/+0 = +inf */ |
- mpfr_set_ui (d, 0L, GMP_RNDN); |
- MPFR_ASSERTN (mpfr_ui_div (q, 1L, d, GMP_RNDZ) == 0); /* exact */ |
- MPFR_ASSERTN (mpfr_inf_p (q) && mpfr_sgn (q) > 0); |
- |
- /* 1/-0 = -inf */ |
- mpfr_set_ui (d, 0L, GMP_RNDN); |
- mpfr_neg (d, d, GMP_RNDN); |
- MPFR_ASSERTN (mpfr_ui_div (q, 1L, d, GMP_RNDZ) == 0); /* exact */ |
- MPFR_ASSERTN (mpfr_inf_p (q) && mpfr_sgn (q) < 0); |
- |
- /* 0/1 = +0 */ |
- mpfr_set_ui (d, 1L, GMP_RNDN); |
- MPFR_ASSERTN (mpfr_ui_div (q, 0L, d, GMP_RNDZ) == 0); /* exact */ |
- MPFR_ASSERTN (mpfr_cmp_ui (q, 0) == 0 && MPFR_IS_POS (q)); |
- |
- /* 0/-1 = -0 */ |
- mpfr_set_si (d, -1, GMP_RNDN); |
- MPFR_ASSERTN (mpfr_ui_div (q, 0L, d, GMP_RNDZ) == 0); /* exact */ |
- MPFR_ASSERTN (mpfr_cmp_ui (q, 0) == 0 && MPFR_IS_NEG (q)); |
- |
- mpfr_clear (d); |
- mpfr_clear (q); |
-} |
- |
-static int |
-mpfr_inv (mpfr_ptr y, mpfr_srcptr x, mp_rnd_t r) |
-{ |
- return mpfr_ui_div (y, 1, x, r); |
-} |
- |
-int |
-main (int argc, char *argv[]) |
-{ |
- tests_start_mpfr (); |
- |
- check_nan (); |
- check_inexact (); |
- check(948002822, "1.22191250737771397120e+20", GMP_RNDN, |
- "7.758352715731357946e-12"); |
- check(1976245324, "1.25296395864546893357e+232", GMP_RNDZ, |
- "1.5772563211925444801e-223"); |
- check(740454110, "2.11496253355831863313e+183", GMP_RNDZ, |
- "3.5010270784996976041e-175"); |
- check(1690540942, "1.28278599852446657468e-276", GMP_RNDU, |
- "1.3178666932321966062e285"); |
- check(1476599377, "-2.14191393656148625995e+305", GMP_RNDD, |
- "-6.8938315017943889615e-297"); |
- |
- /* inv is for 1/x */ |
- data_check ("data/inv", mpfr_inv, "mpfr_ui_div(1,x)"); |
- |
- tests_end_mpfr (); |
- return 0; |
-} |