gcc/mpfr/tests/tadd.c - Issue 3050029: [gcc] GCC 4.5.0=>4.5.1

Unified Diff: gcc/mpfr/tests/tadd.c

Issue 3050029: [gcc] GCC 4.5.0=>4.5.1 (Closed) Base URL: ssh://git@gitrw.chromium.org:9222/nacl-toolchain.git

Patch Set: Created 10 years, 5 months ago

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Index: gcc/mpfr/tests/tadd.c

diff --git a/gcc/mpfr/tests/tadd.c b/gcc/mpfr/tests/tadd.c

deleted file mode 100644

index 03f9dcb8d78d11c1d3c38ef766ffd76ca497079a..0000000000000000000000000000000000000000

--- a/gcc/mpfr/tests/tadd.c

+++ /dev/null

@@ -1,1092 +0,0 @@

-/* Test file for mpfr_add and mpfr_sub.

-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. */

-#define NUM 30000

-#include <stdio.h>

-#include <stdlib.h>

-#include <float.h>

-#include "mpfr-test.h"

-/* If the precisions are the same, we want to test both mpfr_add1sp

- and mpfr_add1. */

-static int usesp;

-static int

-test_add (mpfr_ptr a, mpfr_srcptr b, mpfr_srcptr c, mp_rnd_t rnd_mode)

- int res;

-#ifdef CHECK_EXTERNAL

- int ok = rnd_mode == GMP_RNDN && mpfr_number_p (b) && mpfr_number_p (c);

- if (ok)

- {

- mpfr_print_raw (b);

- printf (" ");

- mpfr_print_raw (c);

- }

-#endif

- if (usesp || MPFR_ARE_SINGULAR(b,c) || MPFR_SIGN(b) != MPFR_SIGN(c))

- res = mpfr_add (a, b, c, rnd_mode);

- else

- {

- MPFR_CLEAR_FLAGS(a); /* clear flags */

- if (MPFR_GET_EXP(b) < MPFR_GET_EXP(c))

- res = mpfr_add1(a, c, b, rnd_mode);

- else

- res = mpfr_add1(a, b, c, rnd_mode);

- }

-#ifdef CHECK_EXTERNAL

- if (ok)

- {

- printf (" ");

- mpfr_print_raw (a);

- printf ("\n");

- }

-#endif

- return res;

-/* Parameter "z1" of check() used to be last in the argument list, but that

- tickled a bug in 32-bit sparc gcc 2.95.2. A "double" in that position is

- passed on the stack at an address which is 4mod8, but the generated code

- didn't take into account that alignment, resulting in bus errors. The

- easiest workaround is to move it to the start of the arg list (where it's

- passed in registers), this macro does that. FIXME: Change the actual

- calls to check(), rather than using a macro. */

-#define check(x,y,rnd_mode,px,py,pz,z1) pcheck(x,y,z1,rnd_mode,px,py,pz)

-/* checks that x+y gives the right result with 53 bits of precision */

-static void

-pcheck (const char *xs, const char *ys, const char *zs, mp_rnd_t rnd_mode,

- unsigned int px, unsigned int py, unsigned int pz)

- mpfr_t xx,yy,zz;

- mpfr_init2(xx, px);

- mpfr_init2(yy, py);

- mpfr_init2(zz, pz);

- mpfr_set_str1 (xx, xs);

- mpfr_set_str1 (yy, ys);

- test_add (zz, xx, yy, rnd_mode);

- if (mpfr_cmp_str1 (zz, zs) )

- {

- printf ("expected sum is %s, got ", zs);

- mpfr_out_str(stdout, 10, 0, zz, GMP_RNDN);

- printf ("mpfr_add failed for x=%s y=%s with rnd_mode=%s\n",

- xs, ys, mpfr_print_rnd_mode (rnd_mode));

- exit (1);

- }

- mpfr_clears (xx, yy, zz, (mpfr_ptr) 0);

-static void

-check2b (const char *xs, int px,

- const char *ys, int py,

- const char *rs, int pz,

- mp_rnd_t rnd_mode)

- mpfr_t xx, yy, zz;

- mpfr_init2(xx,px); mpfr_init2(yy,py); mpfr_init2(zz,pz);

- mpfr_set_str_binary (xx, xs);

- mpfr_set_str_binary (yy, ys);

- test_add (zz, xx, yy, rnd_mode);

- if (mpfr_cmp_str (zz, rs, 2, GMP_RNDN))

- {

- printf ("(2) x=%s,%d y=%s,%d pz=%d,rnd=%s\n",

- xs, px, ys, py, pz, mpfr_print_rnd_mode (rnd_mode));

- printf ("got "); mpfr_print_binary(zz); puts ("");

- mpfr_set_str(zz, rs, 2, GMP_RNDN);

- printf ("instead of "); mpfr_print_binary(zz); puts ("");

- exit (1);

- }

- mpfr_clear(xx); mpfr_clear(yy); mpfr_clear(zz);

-static void

-check64 (void)

- mpfr_t x, t, u;

- mpfr_init (x);

- mpfr_init (t);

- mpfr_init (u);

- mpfr_set_prec (x, 29);

- mpfr_set_str_binary (x, "1.1101001000101111011010010110e-3");

- mpfr_set_prec (t, 58);

- mpfr_set_str_binary (t, "0.11100010011111001001100110010111110110011000000100101E-1");

- mpfr_set_prec (u, 29);

- test_add (u, x, t, GMP_RNDD);

- mpfr_set_str_binary (t, "1.0101011100001000011100111110e-1");

- if (mpfr_cmp (u, t))

- {

- printf ("mpfr_add(u, x, t) failed for prec(x)=29, prec(t)=58\n");

- printf ("expected "); mpfr_out_str (stdout, 2, 29, t, GMP_RNDN);

- puts ("");

- printf ("got "); mpfr_out_str (stdout, 2, 29, u, GMP_RNDN);

- puts ("");

- exit(1);

- }

- mpfr_set_prec (x, 4);

- mpfr_set_str_binary (x, "-1.0E-2");

- mpfr_set_prec (t, 2);

- mpfr_set_str_binary (t, "-1.1e-2");

- mpfr_set_prec (u, 2);

- test_add (u, x, t, GMP_RNDN);

- if (MPFR_MANT(u)[0] << 2)

- {

- printf ("result not normalized for prec=2\n");

- mpfr_print_binary (u); puts ("");

- exit (1);

- }

- mpfr_set_str_binary (t, "-1.0e-1");

- if (mpfr_cmp (u, t))

- {

- printf ("mpfr_add(u, x, t) failed for prec(x)=4, prec(t)=2\n");

- printf ("expected -1.0e-1\n");

- printf ("got "); mpfr_out_str (stdout, 2, 4, u, GMP_RNDN);

- puts ("");

- exit (1);

- }

- mpfr_set_prec (x, 8);

- mpfr_set_str_binary (x, "-0.10011010"); /* -77/128 */

- mpfr_set_prec (t, 4);

- mpfr_set_str_binary (t, "-1.110e-5"); /* -7/128 */

- mpfr_set_prec (u, 4);

- test_add (u, x, t, GMP_RNDN); /* should give -5/8 */

- mpfr_set_str_binary (t, "-1.010e-1");

- if (mpfr_cmp (u, t)) {

- printf ("mpfr_add(u, x, t) failed for prec(x)=8, prec(t)=4\n");

- printf ("expected -1.010e-1\n");

- printf ("got "); mpfr_out_str (stdout, 2, 4, u, GMP_RNDN);

- puts ("");

- exit (1);

- }

- mpfr_set_prec (x, 112); mpfr_set_prec (t, 98); mpfr_set_prec (u, 54);

- mpfr_set_str_binary (x, "-0.11111100100000000011000011100000101101010001000111E-401");

- mpfr_set_str_binary (t, "0.10110000100100000101101100011111111011101000111000101E-464");

- test_add (u, x, t, GMP_RNDN);

- if (mpfr_cmp (u, x))

- {

- printf ("mpfr_add(u, x, t) failed for prec(x)=112, prec(t)=98\n");

- exit (1);

- }

- mpfr_set_prec (x, 92); mpfr_set_prec (t, 86); mpfr_set_prec (u, 53);

- mpfr_set_str (x, "-5.03525136761487735093e-74", 10, GMP_RNDN);

- mpfr_set_str (t, "8.51539046314262304109e-91", 10, GMP_RNDN);

- test_add (u, x, t, GMP_RNDN);

- if (mpfr_cmp_str1 (u, "-5.0352513676148773509283672e-74") )

- {

- printf ("mpfr_add(u, x, t) failed for prec(x)=92, prec(t)=86\n");

- exit (1);

- }

- mpfr_set_prec(x, 53); mpfr_set_prec(t, 76); mpfr_set_prec(u, 76);

- mpfr_set_str_binary(x, "-0.10010010001001011011110000000000001010011011011110001E-32");

- mpfr_set_str_binary(t, "-0.1011000101110010000101111111011111010001110011110111100110101011110010011111");

- mpfr_sub(u, x, t, GMP_RNDU);

- mpfr_set_str_binary(t, "0.1011000101110010000101111111011100111111101010011011110110101011101000000100");

- if (mpfr_cmp(u,t))

- {

- printf ("expect "); mpfr_print_binary(t); puts ("");

- printf ("mpfr_add failed for precisions 53-76\n");

- exit (1);

- }

- mpfr_set_prec(x, 53); mpfr_set_prec(t, 108); mpfr_set_prec(u, 108);

- mpfr_set_str_binary(x, "-0.10010010001001011011110000000000001010011011011110001E-32");

- mpfr_set_str_binary(t, "-0.101100010111001000010111111101111101000111001111011110011010101111001001111000111011001110011000000000111111");

- mpfr_sub(u, x, t, GMP_RNDU);

- mpfr_set_str_binary(t, "0.101100010111001000010111111101110011111110101001101111011010101110100000001011000010101110011000000000111111");

- if (mpfr_cmp(u,t))

- {

- printf ("expect "); mpfr_print_binary(t); puts ("");

- printf ("mpfr_add failed for precisions 53-108\n");

- exit (1);

- }

- mpfr_set_prec(x, 97); mpfr_set_prec(t, 97); mpfr_set_prec(u, 97);

- mpfr_set_str_binary(x, "0.1111101100001000000001011000110111101000001011111000100001000101010100011111110010000000000000000E-39");

- mpfr_set_ui(t, 1, GMP_RNDN);

- test_add (u, x, t, GMP_RNDN);

- mpfr_set_str_binary(x, "0.1000000000000000000000000000000000000000111110110000100000000101100011011110100000101111100010001E1");

- if (mpfr_cmp(u,x))

- {

- printf ("mpfr_add failed for precision 97\n");

- exit (1);

- }

- mpfr_set_prec(x, 128); mpfr_set_prec(t, 128); mpfr_set_prec(u, 128);

- mpfr_set_str_binary(x, "0.10101011111001001010111011001000101100111101000000111111111011010100001100011101010001010111111101111010100110111111100101100010E-4");

- mpfr_set(t, x, GMP_RNDN);

- mpfr_sub(u, x, t, GMP_RNDN);

- mpfr_set_prec(x, 96); mpfr_set_prec(t, 96); mpfr_set_prec(u, 96);

- mpfr_set_str_binary(x, "0.111000000001110100111100110101101001001010010011010011100111100011010100011001010011011011000010E-4");

- mpfr_set(t, x, GMP_RNDN);

- mpfr_sub(u, x, t, GMP_RNDN);

- mpfr_set_prec(x, 85); mpfr_set_prec(t, 85); mpfr_set_prec(u, 85);

- mpfr_set_str_binary(x, "0.1111101110100110110110100010101011101001100010100011110110110010010011101100101111100E-4");

- mpfr_set_str_binary(t, "0.1111101110100110110110100010101001001000011000111000011101100101110100001110101010110E-4");

- mpfr_sub(u, x, t, GMP_RNDU);

- mpfr_sub(x, x, t, GMP_RNDU);

- if (mpfr_cmp(x, u) != 0)

- {

- printf ("Error in mpfr_sub: u=x-t and x=x-t give different results\n");

- exit (1);

- }

- if ((MPFR_MANT(u)[(MPFR_PREC(u)-1)/mp_bits_per_limb] &

- ((mp_limb_t)1<<(mp_bits_per_limb-1)))==0)

- {

- printf ("Error in mpfr_sub: result is not msb-normalized (1)\n");

- exit (1);

- }

- mpfr_set_prec(x, 65); mpfr_set_prec(t, 65); mpfr_set_prec(u, 65);

- mpfr_set_str_binary(x, "0.10011010101000110101010000000011001001001110001011101011111011101E623");

- mpfr_set_str_binary(t, "0.10011010101000110101010000000011001001001110001011101011111011100E623");

- mpfr_sub(u, x, t, GMP_RNDU);

- if (mpfr_cmp_ui_2exp(u, 1, 558))

- { /* 2^558 */

- printf ("Error (1) in mpfr_sub\n");

- exit (1);

- }

- mpfr_set_prec(x, 64); mpfr_set_prec(t, 64); mpfr_set_prec(u, 64);

- mpfr_set_str_binary(x, "0.1000011110101111011110111111000011101011101111101101101100000100E-220");

- mpfr_set_str_binary(t, "0.1000011110101111011110111111000011101011101111101101010011111101E-220");

- test_add (u, x, t, GMP_RNDU);

- if ((MPFR_MANT(u)[0] & 1) != 1)

- {

- printf ("error in mpfr_add with rnd_mode=GMP_RNDU\n");

- printf ("b= "); mpfr_print_binary(x); puts ("");

- printf ("c= "); mpfr_print_binary(t); puts ("");

- printf ("b+c="); mpfr_print_binary(u); puts ("");

- exit (1);

- }

- /* bug found by Norbert Mueller, 14 Sep 2000 */

- mpfr_set_prec(x, 56); mpfr_set_prec(t, 83); mpfr_set_prec(u, 10);

- mpfr_set_str_binary(x, "0.10001001011011001111101100110100000101111010010111010111E-7");

- mpfr_set_str_binary(t, "0.10001001011011001111101100110100000101111010010111010111000000000111110110110000100E-7");

- mpfr_sub(u, x, t, GMP_RNDU);

- /* array bound write found by Norbert Mueller, 26 Sep 2000 */

- mpfr_set_prec(x, 109); mpfr_set_prec(t, 153); mpfr_set_prec(u, 95);

- mpfr_set_str_binary(x,"0.1001010000101011101100111000110001111111111111111111111111111111111111111111111111111111111111100000000000000E33");

- mpfr_set_str_binary(t,"-0.100101000010101110110011100011000000000000000000000000000000000000000000000000000000000000000000000000000000000000000011100101101000000100100001100110111E33");

- test_add (u, x, t, GMP_RNDN);

- /* array bound writes found by Norbert Mueller, 27 Sep 2000 */

- mpfr_set_prec(x, 106); mpfr_set_prec(t, 53); mpfr_set_prec(u, 23);

- mpfr_set_str_binary(x, "-0.1000011110101111111001010001000100001011000000000000000000000000000000000000000000000000000000000000000000E-59");

- mpfr_set_str_binary(t, "-0.10000111101011111110010100010001101100011100110100000E-59");

- mpfr_sub(u, x, t, GMP_RNDN);

- mpfr_set_prec(x, 177); mpfr_set_prec(t, 217); mpfr_set_prec(u, 160);

- mpfr_set_str_binary(x, "-0.111010001011010000111001001010010000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000E35");

- mpfr_set_str_binary(t, "0.1110100010110100001110010010100100000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000111011010011100001111001E35");

- test_add (u, x, t, GMP_RNDN);

- mpfr_set_prec(x, 214); mpfr_set_prec(t, 278); mpfr_set_prec(u, 207);

- mpfr_set_str_binary(x, "0.1000100110100110101101101101000000010000100111000001001110001000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000E66");

- mpfr_set_str_binary(t, "-0.10001001101001101011011011010000000100001001110000010011100010000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001111011111001001100011E66");

- test_add (u, x, t, GMP_RNDN);

- mpfr_set_prec(x, 32); mpfr_set_prec(t, 247); mpfr_set_prec(u, 223);

- mpfr_set_str_binary(x, "0.10000000000000000000000000000000E1");

- mpfr_set_str_binary(t, "0.1111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111100000110001110100000100011110000101110110011101110100110110111111011010111100100000000000000000000000000E0");

- mpfr_sub(u, x, t, GMP_RNDN);

- if ((MPFR_MANT(u)[(MPFR_PREC(u)-1)/mp_bits_per_limb] &

- ((mp_limb_t)1<<(mp_bits_per_limb-1)))==0)

- {

- printf ("Error in mpfr_sub: result is not msb-normalized (2)\n");

- exit (1);

- }

- /* bug found by Nathalie Revol, 21 March 2001 */

- mpfr_set_prec (x, 65);

- mpfr_set_prec (t, 65);

- mpfr_set_prec (u, 65);

- mpfr_set_str_binary (x, "0.11100100101101001100111011111111110001101001000011101001001010010E-35");

- mpfr_set_str_binary (t, "0.10000000000000000000000000000000000001110010010110100110011110000E1");

- mpfr_sub (u, t, x, GMP_RNDU);

- if ((MPFR_MANT(u)[(MPFR_PREC(u)-1)/mp_bits_per_limb] &

- ((mp_limb_t)1<<(mp_bits_per_limb-1)))==0)

- {

- printf ("Error in mpfr_sub: result is not msb-normalized (3)\n");

- exit (1);

- }

- /* bug found by Fabrice Rouillier, 27 Mar 2001 */

- mpfr_set_prec (x, 107);

- mpfr_set_prec (t, 107);

- mpfr_set_prec (u, 107);

- mpfr_set_str_binary (x, "0.10111001001111010010001000000010111111011011011101000001001000101000000000000000000000000000000000000000000E315");

- mpfr_set_str_binary (t, "0.10000000000000000000000000000000000101110100100101110110000001100101011111001000011101111100100100111011000E350");

- mpfr_sub (u, x, t, GMP_RNDU);

- if ((MPFR_MANT(u)[(MPFR_PREC(u)-1)/mp_bits_per_limb] &

- ((mp_limb_t)1<<(mp_bits_per_limb-1)))==0)

- {

- printf ("Error in mpfr_sub: result is not msb-normalized (4)\n");

- exit (1);

- }

- /* checks that NaN flag is correctly reset */

- mpfr_set_ui (t, 1, GMP_RNDN);

- mpfr_set_ui (u, 1, GMP_RNDN);

- mpfr_set_nan (x);

- test_add (x, t, u, GMP_RNDN);

- if (mpfr_cmp_ui (x, 2))

- {

- printf ("Error in mpfr_add: 1+1 gives ");

- mpfr_out_str(stdout, 10, 0, x, GMP_RNDN);

- exit (1);

- }

- mpfr_clear(x); mpfr_clear(t); mpfr_clear(u);

-/* check case when c does not overlap with a, but both b and c count

- for rounding */

-static void

-check_case_1b (void)

- mpfr_t a, b, c;

- unsigned int prec_a, prec_b, prec_c, dif;

- mpfr_init (a);

- mpfr_init (b);

- mpfr_init (c);

- {

- prec_a = MPFR_PREC_MIN + (randlimb () % 63);

- mpfr_set_prec (a, prec_a);

- for (prec_b = prec_a + 2; prec_b <= 64; prec_b++)

- {

- dif = prec_b - prec_a;

- mpfr_set_prec (b, prec_b);

- /* b = 1 - 2^(-prec_a) + 2^(-prec_b) */

- mpfr_set_ui (b, 1, GMP_RNDN);

- mpfr_div_2exp (b, b, dif, GMP_RNDN);

- mpfr_sub_ui (b, b, 1, GMP_RNDN);

- mpfr_div_2exp (b, b, prec_a, GMP_RNDN);

- mpfr_add_ui (b, b, 1, GMP_RNDN);

- for (prec_c = dif; prec_c <= 64; prec_c++)

- {

- /* c = 2^(-prec_a) - 2^(-prec_b) */

- mpfr_set_prec (c, prec_c);

- mpfr_set_si (c, -1, GMP_RNDN);

- mpfr_div_2exp (c, c, dif, GMP_RNDN);

- mpfr_add_ui (c, c, 1, GMP_RNDN);

- mpfr_div_2exp (c, c, prec_a, GMP_RNDN);

- test_add (a, b, c, GMP_RNDN);

- if (mpfr_cmp_ui (a, 1) != 0)

- {

- printf ("case (1b) failed for prec_a=%u, prec_b=%u,"

- " prec_c=%u\n", prec_a, prec_b, prec_c);

- printf ("b="); mpfr_print_binary(b); puts ("");

- printf ("c="); mpfr_print_binary(c); puts ("");

- printf ("a="); mpfr_print_binary(a); puts ("");

- exit (1);

- }

- mpfr_clear (a);

- mpfr_clear (b);

- mpfr_clear (c);

-/* check case when c overlaps with a */

-static void

-check_case_2 (void)

- mpfr_t a, b, c, d;

- mpfr_init2 (a, 300);

- mpfr_init2 (b, 800);

- mpfr_init2 (c, 500);

- mpfr_init2 (d, 800);

- mpfr_set_str_binary(a, "1E110"); /* a = 2^110 */

- mpfr_set_str_binary(b, "1E900"); /* b = 2^900 */

- mpfr_set_str_binary(c, "1E500"); /* c = 2^500 */

- test_add (c, c, a, GMP_RNDZ); /* c = 2^500 + 2^110 */

- mpfr_sub (d, b, c, GMP_RNDZ); /* d = 2^900 - 2^500 - 2^110 */

- test_add (b, b, c, GMP_RNDZ); /* b = 2^900 + 2^500 + 2^110 */

- test_add (a, b, d, GMP_RNDZ); /* a = 2^901 */

- if (mpfr_cmp_ui_2exp (a, 1, 901))

- {

- printf ("b + d fails for b=2^900+2^500+2^110, d=2^900-2^500-2^110\n");

- printf ("expected 1.0e901, got ");

- mpfr_out_str (stdout, 2, 0, a, GMP_RNDN);

- printf ("\n");

- exit (1);

- }

- mpfr_clear (a);

- mpfr_clear (b);

- mpfr_clear (c);

- mpfr_clear (d);

-/* checks when source and destination are equal */

-static void

-check_same (void)

- mpfr_t x;

- mpfr_init(x); mpfr_set_ui(x, 1, GMP_RNDZ);

- test_add (x, x, x, GMP_RNDZ);

- if (mpfr_cmp_ui (x, 2))

- {

- printf ("Error when all 3 operands are equal\n");

- exit (1);

- }

- mpfr_clear(x);

-#define check53(x, y, r, z) check(x, y, r, 53, 53, 53, z)

-#define MAX_PREC 256

-static void

-check_inexact (void)

- mpfr_t x, y, z, u;

- mp_prec_t px, py, pu, pz;

- int inexact, cmp;

- mp_rnd_t rnd;

- mpfr_init (x);

- mpfr_init (y);

- mpfr_init (z);

- mpfr_init (u);

- mpfr_set_prec (x, 2);

- mpfr_set_str_binary (x, "0.1E-4");

- mpfr_set_prec (u, 33);

- mpfr_set_str_binary (u, "0.101110100101101100000000111100000E-1");

- mpfr_set_prec (y, 31);

- if ((inexact = test_add (y, x, u, GMP_RNDN)))

- {

- printf ("Wrong inexact flag (2): expected 0, got %d\n", inexact);

- exit (1);

- }

- mpfr_set_prec (x, 2);

- mpfr_set_str_binary (x, "0.1E-4");

- mpfr_set_prec (u, 33);

- mpfr_set_str_binary (u, "0.101110100101101100000000111100000E-1");

- mpfr_set_prec (y, 28);

- if ((inexact = test_add (y, x, u, GMP_RNDN)))

- {

- printf ("Wrong inexact flag (1): expected 0, got %d\n", inexact);

- exit (1);

- }

- for (px=2; px<MAX_PREC; px++)

- {

- mpfr_set_prec (x, px);

- do

- {

- mpfr_urandomb (x, RANDS);

- }

- while (mpfr_cmp_ui (x, 0) == 0);

- for (pu=2; pu<MAX_PREC; pu++)

- {

- mpfr_set_prec (u, pu);

- do

- {

- mpfr_urandomb (u, RANDS);

- }

- while (mpfr_cmp_ui (u, 0) == 0);

- {

- py = MPFR_PREC_MIN + (randlimb () % (MAX_PREC - 1));

- mpfr_set_prec (y, py);

- pz = (mpfr_cmpabs (x, u) >= 0) ? MPFR_EXP(x) - MPFR_EXP(u)

- : MPFR_EXP(u) - MPFR_EXP(x);

- /* x + u is exactly representable with precision

- abs(EXP(x)-EXP(u)) + max(prec(x), prec(u)) + 1 */

- pz = pz + MAX(MPFR_PREC(x), MPFR_PREC(u)) + 1;

- mpfr_set_prec (z, pz);

- rnd = RND_RAND ();

- if (test_add (z, x, u, rnd))

- {

- printf ("z <- x + u should be exact\n");

- printf ("x="); mpfr_print_binary (x); puts ("");

- printf ("u="); mpfr_print_binary (u); puts ("");

- printf ("z="); mpfr_print_binary (z); puts ("");

- exit (1);

- }

- {

- rnd = RND_RAND ();

- inexact = test_add (y, x, u, rnd);

- cmp = mpfr_cmp (y, z);

- if (((inexact == 0) && (cmp != 0)) ||

- ((inexact > 0) && (cmp <= 0)) ||

- ((inexact < 0) && (cmp >= 0)))

- {

- printf ("Wrong inexact flag for rnd=%s\n",

- mpfr_print_rnd_mode(rnd));

- printf ("expected %d, got %d\n", cmp, inexact);

- printf ("x="); mpfr_print_binary (x); puts ("");

- printf ("u="); mpfr_print_binary (u); puts ("");

- printf ("y= "); mpfr_print_binary (y); puts ("");

- printf ("x+u="); mpfr_print_binary (z); puts ("");

- exit (1);

- }

- mpfr_clear (x);

- mpfr_clear (y);

- mpfr_clear (z);

- mpfr_clear (u);

-static void

-check_nans (void)

- mpfr_t s, x, y;

- mpfr_init2 (x, 8L);

- mpfr_init2 (y, 8L);

- mpfr_init2 (s, 8L);

- /* +inf + -inf == nan */

- mpfr_set_inf (x, 1);

- mpfr_set_inf (y, -1);

- test_add (s, x, y, GMP_RNDN);

- MPFR_ASSERTN (mpfr_nan_p (s));

- /* +inf + 1 == +inf */

- mpfr_set_inf (x, 1);

- mpfr_set_ui (y, 1L, GMP_RNDN);

- test_add (s, x, y, GMP_RNDN);

- MPFR_ASSERTN (mpfr_inf_p (s));

- MPFR_ASSERTN (mpfr_sgn (s) > 0);

- /* -inf + 1 == -inf */

- mpfr_set_inf (x, -1);

- mpfr_set_ui (y, 1L, GMP_RNDN);

- test_add (s, x, y, GMP_RNDN);

- MPFR_ASSERTN (mpfr_inf_p (s));

- MPFR_ASSERTN (mpfr_sgn (s) < 0);

- /* 1 + +inf == +inf */

- mpfr_set_ui (x, 1L, GMP_RNDN);

- mpfr_set_inf (y, 1);

- test_add (s, x, y, GMP_RNDN);

- MPFR_ASSERTN (mpfr_inf_p (s));

- MPFR_ASSERTN (mpfr_sgn (s) > 0);

- /* 1 + -inf == -inf */

- mpfr_set_ui (x, 1L, GMP_RNDN);

- mpfr_set_inf (y, -1);

- test_add (s, x, y, GMP_RNDN);

- MPFR_ASSERTN (mpfr_inf_p (s));

- MPFR_ASSERTN (mpfr_sgn (s) < 0);

- mpfr_clear (x);

- mpfr_clear (y);

- mpfr_clear (s);

-static void

-check_alloc (void)

- mpfr_t a;

- mpfr_init2 (a, 10000);

- mpfr_set_prec (a, 53);

- mpfr_set_ui (a, 15236, GMP_RNDN);

- test_add (a, a, a, GMP_RNDN);

- mpfr_mul (a, a, a, GMP_RNDN);

- mpfr_div (a, a, a, GMP_RNDN);

- mpfr_sub (a, a, a, GMP_RNDN);

- mpfr_clear (a);

-static void

-check_overflow (void)

- mpfr_t a, b, c;

- mp_prec_t prec_a;

- int r;

- mpfr_init2 (a, 256);

- mpfr_init2 (b, 256);

- mpfr_init2 (c, 256);

- mpfr_set_ui (b, 1, GMP_RNDN);

- mpfr_setmax (b, mpfr_get_emax ());

- mpfr_set_ui (c, 1, GMP_RNDN);

- mpfr_set_exp (c, mpfr_get_emax () - 192);

- RND_LOOP(r)

- for (prec_a = 128; prec_a < 512; prec_a += 64)

- {

- mpfr_set_prec (a, prec_a);

- mpfr_clear_overflow ();

- test_add (a, b, c, (mp_rnd_t) r);

- if (!mpfr_overflow_p ())

- {

- printf ("No overflow in check_overflow\n");

- exit (1);

- }

- mpfr_set_exp (c, mpfr_get_emax () - 512);

- mpfr_set_prec (a, 256);

- mpfr_clear_overflow ();

- test_add (a, b, c, GMP_RNDU);

- if (!mpfr_overflow_p ())

- {

- printf ("No overflow in check_overflow\n");

- exit (1);

- }

- mpfr_clear (a);

- mpfr_clear (b);

- mpfr_clear (c);

-static void

-check_1111 (void)

- mpfr_t one;

- long n;

- mpfr_init2 (one, MPFR_PREC_MIN);

- mpfr_set_ui (one, 1, GMP_RNDN);

- for (n = 0; n < NUM; n++)

- {

- mp_prec_t prec_a, prec_b, prec_c;

- mp_exp_t tb=0, tc, diff;

- mpfr_t a, b, c, s;

- int m = 512;

- int sb, sc;

- int inex_a, inex_s;

- mp_rnd_t rnd_mode;

- prec_a = MPFR_PREC_MIN + (randlimb () % m);

- prec_b = MPFR_PREC_MIN + (randlimb () % m);

- prec_c = MPFR_PREC_MIN + (randlimb () % m);

- mpfr_init2 (a, prec_a);

- mpfr_init2 (b, prec_b);

- mpfr_init2 (c, prec_c);

- sb = randlimb () % 3;

- if (sb != 0)

- {

- tb = 1 + (randlimb () % (prec_b - (sb != 2)));

- mpfr_div_2ui (b, one, tb, GMP_RNDN);

- if (sb == 2)

- mpfr_neg (b, b, GMP_RNDN);

- test_add (b, b, one, GMP_RNDN);

- }

- else

- mpfr_set (b, one, GMP_RNDN);

- tc = 1 + (randlimb () % (prec_c - 1));

- mpfr_div_2ui (c, one, tc, GMP_RNDN);

- sc = randlimb () % 2;

- if (sc)

- mpfr_neg (c, c, GMP_RNDN);

- test_add (c, c, one, GMP_RNDN);

- diff = (randlimb () % (2*m)) - m;

- mpfr_mul_2si (c, c, diff, GMP_RNDN);

- rnd_mode = RND_RAND ();

- inex_a = test_add (a, b, c, rnd_mode);

- mpfr_init2 (s, MPFR_PREC_MIN + 2*m);

- inex_s = test_add (s, b, c, GMP_RNDN); /* exact */

- if (inex_s)

- {

- printf ("check_1111: result should have been exact.\n");

- exit (1);

- }

- inex_s = mpfr_prec_round (s, prec_a, rnd_mode);

- if ((inex_a < 0 && inex_s >= 0) ||

- (inex_a == 0 && inex_s != 0) ||

- (inex_a > 0 && inex_s <= 0) ||

- !mpfr_equal_p (a, s))

- {

- printf ("check_1111: results are different.\n");

- printf ("prec_a = %d, prec_b = %d, prec_c = %d\n",

- (int) prec_a, (int) prec_b, (int) prec_c);

- printf ("tb = %d, tc = %d, diff = %d, rnd = %s\n",

- (int) tb, (int) tc, (int) diff,

- mpfr_print_rnd_mode (rnd_mode));

- printf ("sb = %d, sc = %d\n", sb, sc);

- printf ("a = "); mpfr_print_binary (a); puts ("");

- printf ("s = "); mpfr_print_binary (s); puts ("");

- printf ("inex_a = %d, inex_s = %d\n", inex_a, inex_s);

- exit (1);

- }

- mpfr_clear (a);

- mpfr_clear (b);

- mpfr_clear (c);

- mpfr_clear (s);

- }

- mpfr_clear (one);

-static void

-check_1minuseps (void)

- static mp_prec_t prec_a[] = {

- MPFR_PREC_MIN, 30, 31, 32, 33, 62, 63, 64, 65, 126, 127, 128, 129

- };

- static int supp_b[] = {

- 0, 1, 2, 3, 4, 29, 30, 31, 32, 33, 34, 35, 61, 62, 63, 64, 65, 66, 67

- };

- mpfr_t a, b, c;

- unsigned int ia, ib, ic;

- mpfr_init2 (c, MPFR_PREC_MIN);

- for (ia = 0; ia < numberof (prec_a); ia++)

- for (ib = 0; ib < numberof(supp_b); ib++)

- {

- mp_prec_t prec_b;

- int rnd_mode;

- prec_b = prec_a[ia] + supp_b[ib];

- mpfr_init2 (a, prec_a[ia]);

- mpfr_init2 (b, prec_b);

- mpfr_set_ui (c, 1, GMP_RNDN);

- mpfr_div_ui (b, c, prec_a[ia], GMP_RNDN);

- mpfr_sub (b, c, b, GMP_RNDN); /* b = 1 - 2^(-prec_a) */

- for (ic = 0; ic < numberof(supp_b); ic++)

- for (rnd_mode = 0; rnd_mode < GMP_RND_MAX; rnd_mode++)

- {

- mpfr_t s;

- int inex_a, inex_s;

- mpfr_set_ui (c, 1, GMP_RNDN);

- mpfr_div_ui (c, c, prec_a[ia] + supp_b[ic], GMP_RNDN);

- inex_a = test_add (a, b, c, (mp_rnd_t) rnd_mode);

- mpfr_init2 (s, 256);

- inex_s = test_add (s, b, c, GMP_RNDN); /* exact */

- if (inex_s)

- {

- printf ("check_1minuseps: result should have been exact "

- "(ia = %u, ib = %u, ic = %u)\n", ia, ib, ic);

- exit (1);

- }

- inex_s = mpfr_prec_round (s, prec_a[ia], (mp_rnd_t) rnd_mode);

- if ((inex_a < 0 && inex_s >= 0) ||

- (inex_a == 0 && inex_s != 0) ||

- (inex_a > 0 && inex_s <= 0) ||

- !mpfr_equal_p (a, s))

- {

- printf ("check_1minuseps: results are different.\n");

- printf ("ia = %u, ib = %u, ic = %u\n", ia, ib, ic);

- exit (1);

- }

- mpfr_clear (s);

- }

- mpfr_clear (a);

- mpfr_clear (b);

- }

- mpfr_clear (c);

-static void

-tests (void)

- check_alloc ();

- check_nans ();

- check_inexact ();

- check_case_1b ();

- check_case_2 ();

- check64();

- check("293607738.0", "1.9967571564050541e-5", GMP_RNDU, 64, 53, 53,

- "2.9360773800002003e8");

- check("880524.0", "-2.0769715792901673e-5", GMP_RNDN, 64, 53, 53,

- "8.8052399997923023e5");

- check("1196426492.0", "-1.4218093058435347e-3", GMP_RNDN, 64, 53, 53,

- "1.1964264919985781e9");

- check("982013018.0", "-8.941829477291838e-7", GMP_RNDN, 64, 53, 53,

- "9.8201301799999905e8");

- check("1092583421.0", "1.0880649218158844e9", GMP_RNDN, 64, 53, 53,

- "2.1806483428158846e9");

- check("1.8476886419022969e-6", "961494401.0", GMP_RNDN, 53, 64, 53,

- "9.6149440100000179e8");

- check("-2.3222118418069868e5", "1229318102.0", GMP_RNDN, 53, 64, 53,

- "1.2290858808158193e9");

- check("-3.0399171300395734e-6", "874924868.0", GMP_RNDN, 53, 64, 53,

- "8.749248679999969e8");

- check("9.064246624706179e1", "663787413.0", GMP_RNDN, 53, 64, 53,

- "6.6378750364246619e8");

- check("-1.0954322421551264e2", "281806592.0", GMP_RNDD, 53, 64, 53,

- "2.8180648245677572e8");

- check("5.9836930386056659e-8", "1016217213.0", GMP_RNDN, 53, 64, 53,

- "1.0162172130000001e9");

- check("-1.2772161928500301e-7", "1237734238.0", GMP_RNDN, 53, 64, 53,

- "1.2377342379999998e9");

- check("-4.567291988483277e8", "1262857194.0", GMP_RNDN, 53, 64, 53,

- "8.0612799515167236e8");

- check("4.7719471752925262e7", "196089880.0", GMP_RNDN, 53, 53, 53,

- "2.4380935175292528e8");

- check("4.7719471752925262e7", "196089880.0", GMP_RNDN, 53, 64, 53,

- "2.4380935175292528e8");

- check("-1.716113812768534e-140", "1271212614.0", GMP_RNDZ, 53, 64, 53,

- "1.2712126139999998e9");

- check("-1.2927455200185474e-50", "1675676122.0", GMP_RNDD, 53, 64, 53,

- "1.6756761219999998e9");

- check53("1.22191250737771397120e+20", "948002822.0", GMP_RNDN,

- "122191250738719408128.0");

- check53("9966027674114492.0", "1780341389094537.0", GMP_RNDN,

- "11746369063209028.0");

- check53("2.99280481918991653800e+272", "5.34637717585790933424e+271",

- GMP_RNDN, "3.5274425367757071711e272");

- check_same();

- check53("6.14384195492641560499e-02", "-6.14384195401037683237e-02",

- GMP_RNDU, "9.1603877261370314499e-12");

- check53("1.16809465359248765399e+196", "7.92883212101990665259e+196",

- GMP_RNDU, "9.0969267746123943065e196");

- check53("3.14553393112021279444e-67", "3.14553401015952024126e-67", GMP_RNDU,

- "6.2910679412797336946e-67");

- check53("5.43885304644369509058e+185","-1.87427265794105342763e-57",GMP_RNDN,

- "5.4388530464436950905e185");

- check53("5.43885304644369509058e+185","-1.87427265794105342763e-57",GMP_RNDZ,

- "5.4388530464436944867e185");

- check53("5.43885304644369509058e+185","-1.87427265794105342763e-57",GMP_RNDU,

- "5.4388530464436950905e185");

- check53("5.43885304644369509058e+185","-1.87427265794105342763e-57",GMP_RNDD,

- "5.4388530464436944867e185");

- check2b("1.001010101110011000000010100101110010111001010000001000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000e358",187,

- "-1.11100111001101100010001111111110101101110001000000000000000000000000000000000000000000e160",87,

- "1.001010101110011000000010100101110010111001010000000111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111e358",178,

- GMP_RNDD);

- check2b("-1.111100100011100111010101010101001010100100000111001000000000000000000e481",70,

- "1.1111000110100011110101111110110010010000000110101000000000000000e481",65,

- "-1.001010111111101011010000001100011101100101000000000000000000e472",61,

- GMP_RNDD);

- check2b("1.0100010111010000100101000000111110011100011001011010000000000000000000000000000000e516",83,

- "-1.1001111000100001011100000001001100110011110010111111000000e541",59,

- "-1.1001111000100001011011110111000001001011100000011110100000110001110011010011000000000000000000000000000000000000000000000000e541",125,

- GMP_RNDZ);

- check2b("-1.0010111100000100110001011011010000000011000111101000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000e261",155,

- "-1.00111110100011e239",15,

- "-1.00101111000001001100101010101110001100110001111010000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000e261",159,

- GMP_RNDD);

- check2b("-1.110111000011111011000000001001111101101001010100111000000000000000000000000e880",76,

- "-1.1010010e-634",8,

- "-1.11011100001111101100000000100111110110100101010011100000000000000000000000e880",75,

- GMP_RNDZ);

- check2b("1.00100100110110101001010010101111000001011100100101010000000000000000000000000000e-530",81,

- "-1.101101111100000111000011001010110011001011101001110100000e-908",58,

- "1.00100100110110101001010010101111000001011100100101010e-530",54,

- GMP_RNDN);

- check2b("1.0101100010010111101000000001000010010010011000111011000000000000000000000000000000000000000000000000000000000000000000e374",119,

- "1.11100101100101e358",15,

- "1.01011000100110011000010110100100100100100110001110110000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000e374",150,

- GMP_RNDZ);

- check2b("-1.10011001000010100000010100100110110010011111101111000000000000000000000000000000000000000000000000000000000000000000e-172",117,

- "1.111011100000101010110000100100110100100001001000011100000000e-173",61,

- "-1.0100010000001001010110011011101001001011101011110001000000000000000e-173",68,

- GMP_RNDZ);

- check2b("-1.011110000111101011100001100110100011100101000011011000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000e-189",175,

- "1.1e631",2,

- "1.011111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111e631",115,

- GMP_RNDZ);

- check2b("-1.101011101001011101100011001000001100010100001101011000000000000000000000000000000000000000000e-449",94,

- "-1.01111101010111000011000110011101000111001100110111100000000000000e-429",66,

- "-1.01111101010111000100110010000110100100101111111111101100010100001101011000000000000000000000000000000000000000e-429",111,

- GMP_RNDU);

- check2b("-1.101011101001011101100011001000001100010100001101011000000000000000000000000000000000000000000e-449",94,

- "-1.01111101010111000011000110011101000111001100110111100000000000000e-429",66,

- "-1.01111101010111000100110010000110100100101111111111101100010100001101011000000000000000000000000000000000000000e-429",111,

- GMP_RNDD);

- check2b("-1.1001000011101000110000111110010100100101110101111100000000000000000000000000000000000000000000000000000000e-72",107,

- "-1.001100011101100100010101101010101011010010111111010000000000000000000000000000e521",79,

- "-1.00110001110110010001010110101010101101001011111101000000000000000000000000000000000000000000000001e521",99,

- GMP_RNDD);

- check2b("-1.01010001111000000101010100100100110101011011100001110000000000e498",63,

- "1.010000011010101111000100111100011100010101011110010100000000000e243",64,

- "-1.010100011110000001010101001001001101010110111000011100000000000e498",64,

- GMP_RNDN);

- check2b("1.00101100010101000011010000011000111111011110010111000000000000000000000000000000000000000000000000000000000e178",108,

- "-1.10101101010101000110011011111001001101111111110000100000000e160",60,

- "1.00101100010100111100100011000011111001000010011101110010000000001111100000000000000000000000000000000000e178",105,

- GMP_RNDN);

- check2b("1.00110011010100111110011010110100111101110101100100110000000000000000000000000000000000000000000000e559",99,

- "-1.011010110100111011100110100110011100000000111010011000000000000000e559",67,

- "-1.101111111101011111111111001001100100011100001001100000000000000000000000000000000000000000000e556",94,

- GMP_RNDU);

- check2b("-1.100000111100101001100111011100011011000001101001111100000000000000000000000000e843",79,

- "-1.1101101010110000001001000100001100110011000110110111000000000000000000000000000000000000000000e414",95,

- "-1.1000001111001010011001110111000110110000011010100000e843",53,

- GMP_RNDD);

- check2b("-1.110110010110100010100011000110111001010000010111110000000000e-415",61,

- "-1.0000100101100001111100110011111111110100011101101011000000000000000000e751",71,

- "-1.00001001011000011111001100111111111101000111011010110e751",54,

- GMP_RNDN);

- check2b("-1.1011011011110001001101010101001000010100010110111101000000000000000000000e258",74,

- "-1.00011100010110110101001011000100100000100010101000010000000000000000000000000000000000000000000000e268",99,

- "-1.0001110011001001000011110001000111010110101011110010011011110100000000000000000000000000000000000000e268",101,

- GMP_RNDD);

- check2b("-1.1011101010011101011000000100100110101101101110000001000000000e629",62,

- "1.111111100000011100100011100000011101100110111110111000000000000000000000000000000000000000000e525",94,

- "-1.101110101001110101100000010010011010110110111000000011111111111111111111111111111111111111111111111111101e629",106,

- GMP_RNDD);

- check2b("1.111001000010001100010000001100000110001011110111011000000000000000000000000000000000000e152",88,

- "1.111110111001100100000100111111010111000100111111001000000000000000e152",67,

- "1.1110111111011110000010101001011011101010000110110100e153",53,

- GMP_RNDN);

- check2b("1.000001100011110010110000110100001010101101111011110100e696",55,

- "-1.1011001111011100100001011110100101010101110111010101000000000000000000000000000000000000000000000000000000000000e730",113,

- "-1.1011001111011100100001011110100100010100010011100010e730",53,

- GMP_RNDN);

- check2b("-1.11010111100001001111000001110101010010001111111001100000000000000000000000000000000000000000000000000000000000e530",111,

- "1.01110100010010000000010110111101011101000001111101100000000000000000000000000000000000000000000000e530",99,

- "-1.1000110011110011101010101101111101010011011111000000000000000e528",62,

- GMP_RNDD);

- check2b("-1.0001100010010100111101101011101000100100010011100011000000000000000000000000000000000000000000000000000000000e733",110,

- "-1.001000000111110010100101010100110111001111011011001000000000000000000000000000000000000000000000000000000000e710",109,

- "-1.000110001001010011111000111110110001110110011000110110e733",55,

- GMP_RNDN);

- check2b("-1.1101011110000100111100000111010101001000111111100110000000000000000000000e530",74,

- "1.01110100010010000000010110111101011101000001111101100000000000000000000000000000000000000000000000000000000000e530",111,

- "-1.10001100111100111010101011011111010100110111110000000000000000000000000000e528",75,

- GMP_RNDU);

- check2b("1.00110011010100111110011010110100111101110101100100110000000000000000000000000000000000000000000000e559",99,

- "-1.011010110100111011100110100110011100000000111010011000000000000000e559",67,

- "-1.101111111101011111111111001001100100011100001001100000000000000000000000000000000000000000000e556",94,

- GMP_RNDU);

- check2b("-1.100101111110110000000110111111011010011101101111100100000000000000e-624",67,

- "1.10111010101110100000010110101000000000010011100000100000000e-587",60,

- "1.1011101010111010000001011010011111110100011110001011111111001000000100101100010010000011100000000000000000000e-587",110,

- GMP_RNDU);

- check2b("-1.10011001000010100000010100100110110010011111101111000000000000000000000000000000000000000000000000000000000000000000e-172",117,

- "1.111011100000101010110000100100110100100001001000011100000000e-173",61,

- "-1.0100010000001001010110011011101001001011101011110001000000000000000e-173",68,

- GMP_RNDZ);

- check2b("1.1000111000110010101001010011010011101100010110001001000000000000000000000000000000000000000000000000e167",101,

- "1.0011110010000110000000101100100111000001110110110000000000000000000000000e167",74,

- "1.01100101010111000101001111111111010101110001100111001000000000000000000000000000000000000000000000000000e168",105,

- GMP_RNDZ);

- check2b("1.100101111111110010100101110111100001110000100001010000000000000000000000000000000000000000000000e808",97,

- "-1.1110011001100000100000111111110000110010100111001011000000000000000000000000000000e807",83,

- "1.01001001100110001100011111000000000001011010010111010000000000000000000000000000000000000000000e807",96,

- GMP_RNDN);

- check2b("1e128",128,

- "1e0",128,

- "100000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001e0",256,

- GMP_RNDN);

- /* Checking double precision (53 bits) */

- check53("-8.22183238641455905806e-19", "7.42227178769761587878e-19",GMP_RNDD,

- "-7.9956059871694317927e-20");

- check53("5.82106394662028628236e+234","-5.21514064202368477230e+89",GMP_RNDD,

- "5.8210639466202855763e234");

- check53("5.72931679569871602371e+122","-5.72886070363264321230e+122",

- GMP_RNDN, "4.5609206607281141508e118");

- check53("-5.09937369394650450820e+238", "2.70203299854862982387e+250",

- GMP_RNDD, "2.7020329985435301323e250");

- check53("-2.96695924472363684394e+27", "1.22842938251111500000e+16",GMP_RNDD,

- "-2.96695924471135255027e27");

- check53("1.74693641655743793422e-227", "-7.71776956366861843469e-229",

- GMP_RNDN, "1.669758720920751867e-227");

- /* x = -7883040437021647.0; for (i=0; i<468; i++) x = x / 2.0;*/

- check53("-1.03432206392780011159e-125", "1.30127034799251347548e-133",

- GMP_RNDN,

- "-1.0343220509150965661100887242027378881805094180354e-125");

- check53("1.05824655795525779205e+71", "-1.06022698059744327881e+71",GMP_RNDZ,

- "-1.9804226421854867632e68");

- check53("-5.84204911040921732219e+240", "7.26658169050749590763e+240",

- GMP_RNDD, "1.4245325800982785854e240");

- check53("1.00944884131046636376e+221","2.33809162651471520268e+215",GMP_RNDN,

- "1.0094511794020929787e221");

- /*x = 7045852550057985.0; for (i=0; i<986; i++) x = x / 2.0;*/

- check53("4.29232078932667367325e-278",

- "1.0773525047389793833221116707010783793203080117586e-281"

- , GMP_RNDU, "4.2933981418314132787e-278");

- check53("5.27584773801377058681e-80", "8.91207657803547196421e-91", GMP_RNDN,

- "5.2758477381028917269e-80");

- check53("2.99280481918991653800e+272", "5.34637717585790933424e+271",

- GMP_RNDN, "3.5274425367757071711e272");

- check53("4.67302514390488041733e-184", "2.18321376145645689945e-190",

- GMP_RNDN, "4.6730273271186420541e-184");

- check53("5.57294120336300389254e+71", "2.60596167942024924040e+65", GMP_RNDZ,

- "5.5729438093246831053e71");

- check53("6.6052588496951015469e24", "4938448004894539.0", GMP_RNDU,

- "6.6052588546335505068e24");

- check53("1.23056185051606761523e-190", "1.64589756643433857138e-181",

- GMP_RNDU, "1.6458975676649006598e-181");

- check53("2.93231171510175981584e-280", "3.26266919161341483877e-273",

- GMP_RNDU, "3.2626694848445867288e-273");

- check53("5.76707395945001907217e-58", "4.74752971449827687074e-51", GMP_RNDD,

- "4.747530291205672325e-51");

- check53("277363943109.0", "11.0", GMP_RNDN, "277363943120.0");

- check53("1.44791789689198883921e-140", "-1.90982880222349071284e-121",

- GMP_RNDN, "-1.90982880222349071e-121");

- /* tests for particular cases (Vincent Lefevre, 22 Aug 2001) */

- check53("9007199254740992.0", "1.0", GMP_RNDN, "9007199254740992.0");

- check53("9007199254740994.0", "1.0", GMP_RNDN, "9007199254740996.0");

- check53("9007199254740992.0", "-1.0", GMP_RNDN, "9007199254740991.0");

- check53("9007199254740994.0", "-1.0", GMP_RNDN, "9007199254740992.0");

- check53("9007199254740996.0", "-1.0", GMP_RNDN, "9007199254740996.0");

- check_overflow ();

- check_1111 ();

- check_1minuseps ();

-#define TEST_FUNCTION test_add

-#define TWO_ARGS

-#define RAND_FUNCTION(x) mpfr_random2(x, MPFR_LIMB_SIZE (x), randlimb () % 100)

-#include "tgeneric.c"

-int

-main (int argc, char *argv[])

- tests_start_mpfr ();

- usesp = 0;

- tests ();

-#ifndef CHECK_EXTERNAL /* no need to check twice */

- usesp = 1;

- tests ();

-#endif

- test_generic (2, 1000, 100);

- tests_end_mpfr ();

- return 0;

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