Index: gcc/mpfr/tests/tui_pow.c |
diff --git a/gcc/mpfr/tests/tui_pow.c b/gcc/mpfr/tests/tui_pow.c |
deleted file mode 100644 |
index 31cd036bedb076f02d272bf5c2eecf8959fa46ef..0000000000000000000000000000000000000000 |
--- a/gcc/mpfr/tests/tui_pow.c |
+++ /dev/null |
@@ -1,262 +0,0 @@ |
-/* Test file for mpfr_ui_pow and mpfr_ui_pow_ui. |
- |
-Copyright 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 <limits.h> |
- |
-#include "mpfr-test.h" |
- |
-static void |
-test1 (void) |
-{ |
- mpfr_t x, y, z, a; |
- int res1, res2; |
- |
- mpfr_init2 (x, 32); |
- mpfr_init2 (y, 65); |
- mpfr_init2 (z, 17); |
- mpfr_init2 (a, 17); |
- |
- mpfr_set_str_binary (x, "-0.101110001001011011011e-9"); |
- mpfr_ui_pow (y, 7, x, GMP_RNDN); |
- |
- mpfr_set_prec (x, 40); |
- mpfr_set_str_binary (x, "-0.1100101100101111011001010010110011110110E-1"); |
- mpfr_set_prec (y, 74); |
- mpfr_ui_pow (y, 8, x, GMP_RNDN); |
- mpfr_set_prec (x, 74); |
- mpfr_set_str_binary (x, "0.11100000010100111101000011111011011010011000011000101011010011010101000011E-1"); |
- if (mpfr_cmp (x, y)) |
- { |
- printf ("Error for input of 40 bits, output of 74 bits\n"); |
- exit (1); |
- } |
- |
- /* Check for ui_pow_ui */ |
- mpfr_ui_pow_ui (x, 0, 1, GMP_RNDN); |
- MPFR_ASSERTN(mpfr_cmp_ui (x, 0) == 0 && MPFR_IS_POS (x)); |
- mpfr_ui_pow_ui (x, 0, 4, GMP_RNDN); |
- MPFR_ASSERTN(mpfr_cmp_ui (x, 0) == 0 && MPFR_IS_POS (x)); |
- res1 = mpfr_ui_pow_ui (z, 17, 42, GMP_RNDD); |
- mpfr_set_ui (x, 17, GMP_RNDN); |
- mpfr_set_ui (y, 42, GMP_RNDN); |
- res2 = mpfr_pow (a, x, y, GMP_RNDD); |
- if (mpfr_cmp (z, a) || res1 != res2) |
- { |
- printf ("Error for ui_pow_ui for 17^42\n" |
- "Inexact1 = %d Inexact2 = %d\n", res1, res2); |
- mpfr_dump (z); |
- mpfr_dump (a); |
- exit (1); |
- } |
- mpfr_set_prec (x, 2); |
- mpfr_ui_pow_ui (x, 65537, 65535, GMP_RNDN); |
- if (mpfr_cmp_str (x, "0.11E1048562", 2, GMP_RNDN) != 0) |
- { |
- printf ("Error for ui_pow_ui for 65537 ^65535 with 2 bits of precision\n"); |
- mpfr_dump (x); |
- exit (1); |
- } |
- mpfr_clear (x); |
- mpfr_clear (y); |
- mpfr_clear (z); |
- mpfr_clear (a); |
-} |
- |
-static void |
-check1 (mpfr_ptr x, mp_prec_t prec, unsigned long nt, mp_rnd_t rnd) |
-{ |
- mpfr_t y, z, t; |
- int inexact, compare, compare2; |
- mp_prec_t yprec; |
- mp_exp_t err; |
- |
- yprec = prec + 10; |
- |
- mpfr_init (y); |
- mpfr_init (z); |
- mpfr_init (t); |
- mpfr_set_prec (y, yprec); |
- mpfr_set_prec (z, prec); |
- mpfr_set_prec (t, prec); |
- |
- compare = mpfr_ui_pow (y, nt, x, rnd); |
- err = (rnd == GMP_RNDN) ? yprec + 1 : yprec; |
- if (mpfr_can_round (y, err, rnd, rnd, prec)) |
- { |
- mpfr_set (t, y, rnd); |
- inexact = mpfr_ui_pow (z, nt, x, rnd); |
- if (mpfr_cmp (t, z)) |
- { |
- printf ("results differ for x="); |
- mpfr_out_str (stdout, 2, prec, x, GMP_RNDN); |
- printf (" n=%lu", nt); |
- printf (" prec=%u rnd_mode=%s\n", (unsigned) prec, |
- mpfr_print_rnd_mode (rnd)); |
- printf ("got "); |
- mpfr_out_str (stdout, 2, prec, z, GMP_RNDN); |
- puts (""); |
- printf ("expected "); |
- mpfr_out_str (stdout, 2, prec, t, GMP_RNDN); |
- puts (""); |
- printf ("approx "); |
- mpfr_print_binary (y); |
- puts (""); |
- exit (1); |
- } |
- compare2 = mpfr_cmp (t, y); |
- /* if rounding to nearest, cannot know the sign of t - f(x) |
- because of composed rounding: y = o(f(x)) and t = o(y) */ |
- if ((rnd != GMP_RNDN) && (compare * compare2 >= 0)) |
- compare = compare + compare2; |
- else |
- compare = inexact; /* cannot determine sign(t-f(x)) */ |
- if (((inexact == 0) && (compare != 0)) || |
- ((inexact > 0) && (compare <= 0)) || |
- ((inexact < 0) && (compare >= 0))) |
- { |
- printf ("Wrong inexact flag for rnd=%s: expected %d, got %d\n", |
- mpfr_print_rnd_mode (rnd), compare, inexact); |
- printf ("x="); mpfr_print_binary (x); puts (""); |
- printf ("y="); mpfr_print_binary (y); puts (""); |
- printf ("t="); mpfr_print_binary (t); puts (""); |
- exit (1); |
- } |
- } |
- |
- mpfr_clear (y); |
- mpfr_clear (z); |
- mpfr_clear (t); |
-} |
- |
-int |
-main (int argc, char *argv[]) |
-{ |
- mpfr_t x, y; |
- unsigned long int n; |
- |
- tests_start_mpfr (); |
- |
- mpfr_init (x); |
- mpfr_init (y); |
- |
- n = randlimb (); |
- |
- MPFR_SET_INF(x); |
- mpfr_ui_pow (y, n, x, GMP_RNDN); |
- if(!MPFR_IS_INF(y)) |
- { |
- printf ("evaluation of function in INF does not return INF\n"); |
- exit (1); |
- } |
- |
- MPFR_CHANGE_SIGN(x); |
- mpfr_ui_pow (y, n, x, GMP_RNDN); |
- if(!MPFR_IS_ZERO(y)) |
- { |
- printf ("evaluation of function in -INF does not return 0"); |
- exit (1); |
- } |
- |
- MPFR_SET_NAN(x); |
- mpfr_ui_pow (y, n, x, GMP_RNDN); |
- if(!MPFR_IS_NAN(y)) |
- { |
- printf ("evaluation of function in NAN does not return NAN"); |
- exit (1); |
- } |
- |
- test1 (); |
- |
- { |
- mpfr_t z, t; |
- mp_prec_t prec; |
- mp_rnd_t rnd; |
- unsigned int n; |
- |
- mp_prec_t p0=2, p1=100; |
- unsigned int N=20; |
- |
- mpfr_init2 (z, 38); |
- mpfr_init2 (t, 6); |
- |
- /* check exact power */ |
- mpfr_set_str_binary (t, "0.110000E5"); |
- mpfr_ui_pow (z, 3, t, GMP_RNDN); |
- |
- mpfr_set_prec (x, 2); |
- mpfr_set_prec (y, 2); |
- mpfr_set_str (x, "-0.5", 10, GMP_RNDZ); |
- mpfr_ui_pow (y, 4, x, GMP_RNDD); |
- if (mpfr_cmp_ui_2exp(y, 1, -1)) |
- { |
- fprintf (stderr, "Error for 4^(-0.5), prec=2, GMP_RNDD\n"); |
- fprintf (stderr, "expected 0.5, got "); |
- mpfr_out_str (stderr, 2, 0, y, GMP_RNDN); |
- fprintf (stderr, "\n"); |
- exit (1); |
- } |
- |
- /* problem found by Kevin on spe175.testdrive.compaq.com |
- (03 Sep 2003) */ |
- mpfr_set_prec (x, 2); |
- mpfr_set_prec (y, 2); |
- mpfr_set_str (x, "0.5", 10, GMP_RNDN); |
- mpfr_ui_pow (y, 398441521, x, GMP_RNDN); |
- if (mpfr_cmp_ui_2exp(y, 1, 14)) |
- { |
- fprintf (stderr, "Error for 398441521^(0.5), prec=2, GMP_RNDN\n"); |
- fprintf (stderr, "expected 1.0e14, got "); |
- mpfr_out_str (stderr, 2, 0, y, GMP_RNDN); |
- fprintf (stderr, "\n"); |
- exit (1); |
- } |
- |
- mpfr_clear (z); |
- mpfr_clear (t); |
- |
- mpfr_set_prec (x, 2); |
- mpfr_set_str (x, "0.5", 10, GMP_RNDN); |
- check1 (x, 2, 398441521, GMP_RNDN); /* 398441521 = 19961^2 */ |
- |
- /* generic test */ |
- for (prec = p0; prec <= p1; prec++) |
- { |
- mpfr_set_prec (x, prec); |
- for (n=0; n<N; n++) |
- { |
- int nt; |
- nt = randlimb () & INT_MAX; |
- mpfr_urandomb (x, RANDS); |
- rnd = RND_RAND (); |
- check1 (x, prec, nt, rnd); |
- } |
- } |
- } |
- |
- mpfr_clear (x); |
- mpfr_clear (y); |
- |
- tests_end_mpfr (); |
- return 0; |
-} |