| /* Test file for mpfr_fma. |
| |
| 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 "mpfr-test.h" |
| |
| /* When a * b is exact, the FMA is equivalent to the separate operations. */ |
| static void |
| test_exact (void) |
| { |
| char *val[] = |
| { "@NaN@", "-@Inf@", "-2", "-1", "-0", "0", "1", "2", "@Inf@" }; |
| int sv = sizeof (val) / sizeof (*val); |
| int i, j, k; |
| int rnd; |
| mpfr_t a, b, c, r1, r2; |
| |
| mpfr_inits2 (8, a, b, c, r1, r2, (mpfr_ptr) 0); |
| |
| for (i = 0; i < sv; i++) |
| for (j = 0; j < sv; j++) |
| for (k = 0; k < sv; k++) |
| RND_LOOP (rnd) |
| { |
| if (mpfr_set_str (a, val[i], 10, GMP_RNDN) || |
| mpfr_set_str (b, val[j], 10, GMP_RNDN) || |
| mpfr_set_str (c, val[k], 10, GMP_RNDN) || |
| mpfr_mul (r1, a, b, (mp_rnd_t) rnd) || |
| mpfr_add (r1, r1, c, (mp_rnd_t) rnd)) |
| { |
| printf ("test_exact internal error for (%d,%d,%d,%d)\n", |
| i, j, k, rnd); |
| exit (1); |
| } |
| if (mpfr_fma (r2, a, b, c, (mp_rnd_t) rnd)) |
| { |
| printf ("test_exact(%d,%d,%d,%d): mpfr_fma should be exact\n", |
| i, j, k, rnd); |
| exit (1); |
| } |
| if (MPFR_IS_NAN (r1)) |
| { |
| if (MPFR_IS_NAN (r2)) |
| continue; |
| printf ("test_exact(%d,%d,%d,%d): mpfr_fma should be NaN\n", |
| i, j, k, rnd); |
| exit (1); |
| } |
| if (mpfr_cmp (r1, r2) || MPFR_SIGN (r1) != MPFR_SIGN (r2)) |
| { |
| printf ("test_exact(%d,%d,%d,%d):\nexpected ", i, j, k, rnd); |
| mpfr_out_str (stdout, 10, 0, r1, GMP_RNDN); |
| printf ("\n got "); |
| mpfr_out_str (stdout, 10, 0, r2, GMP_RNDN); |
| printf ("\n"); |
| exit (1); |
| } |
| } |
| |
| mpfr_clears (a, b, c, r1, r2, (mpfr_ptr) 0); |
| } |
| |
| static void |
| test_overflow1 (void) |
| { |
| mpfr_t x, y, z, r; |
| int inex; |
| |
| mpfr_inits2 (8, x, y, z, r, (mpfr_ptr) 0); |
| MPFR_SET_POS (x); |
| mpfr_setmax (x, mpfr_get_emax ()); /* x = 2^emax - ulp */ |
| mpfr_set_ui (y, 2, GMP_RNDN); /* y = 2 */ |
| mpfr_neg (z, x, GMP_RNDN); /* z = -x = -(2^emax - ulp) */ |
| mpfr_clear_flags (); |
| /* The intermediate multiplication x * y overflows, but x * y + z = x |
| is representable. */ |
| inex = mpfr_fma (r, x, y, z, GMP_RNDN); |
| if (inex || ! mpfr_equal_p (r, x)) |
| { |
| printf ("Error in test_overflow1\nexpected "); |
| mpfr_out_str (stdout, 2, 0, x, GMP_RNDN); |
| printf (" with inex = 0\n got "); |
| mpfr_out_str (stdout, 2, 0, r, GMP_RNDN); |
| printf (" with inex = %d\n", inex); |
| exit (1); |
| } |
| if (mpfr_overflow_p ()) |
| { |
| printf ("Error in test_overflow1: overflow flag set\n"); |
| exit (1); |
| } |
| mpfr_clears (x, y, z, r, (mpfr_ptr) 0); |
| } |
| |
| static void |
| test_overflow2 (void) |
| { |
| mpfr_t x, y, z, r; |
| int i, inex, rnd, err = 0; |
| |
| mpfr_inits2 (8, x, y, z, r, (mpfr_ptr) 0); |
| |
| MPFR_SET_POS (x); |
| mpfr_setmin (x, mpfr_get_emax ()); /* x = 0.1@emax */ |
| mpfr_set_si (y, -2, GMP_RNDN); /* y = -2 */ |
| /* The intermediate multiplication x * y will overflow. */ |
| |
| for (i = -9; i <= 9; i++) |
| RND_LOOP (rnd) |
| { |
| int inf, overflow; |
| |
| inf = rnd == GMP_RNDN || rnd == GMP_RNDD; |
| overflow = inf || i <= 0; |
| |
| inex = mpfr_set_si_2exp (z, i, mpfr_get_emin (), GMP_RNDN); |
| MPFR_ASSERTN (inex == 0); |
| |
| mpfr_clear_flags (); |
| /* One has: x * y = -1@emax exactly (but not representable). */ |
| inex = mpfr_fma (r, x, y, z, (mp_rnd_t) rnd); |
| if (overflow ^ (mpfr_overflow_p () != 0)) |
| { |
| printf ("Error in test_overflow2 (i = %d, %s): wrong overflow" |
| " flag (should be %d)\n", i, |
| mpfr_print_rnd_mode ((mp_rnd_t) rnd), overflow); |
| err = 1; |
| } |
| if (mpfr_nanflag_p ()) |
| { |
| printf ("Error in test_overflow2 (i = %d, %s): NaN flag should" |
| " not be set\n", i, mpfr_print_rnd_mode ((mp_rnd_t) rnd)); |
| err = 1; |
| } |
| if (mpfr_nan_p (r)) |
| { |
| printf ("Error in test_overflow2 (i = %d, %s): got NaN\n", |
| i, mpfr_print_rnd_mode ((mp_rnd_t) rnd)); |
| err = 1; |
| } |
| else if (MPFR_SIGN (r) >= 0) |
| { |
| printf ("Error in test_overflow2 (i = %d, %s): wrong sign " |
| "(+ instead of -)\n", i, |
| mpfr_print_rnd_mode ((mp_rnd_t) rnd)); |
| err = 1; |
| } |
| else if (inf && ! mpfr_inf_p (r)) |
| { |
| printf ("Error in test_overflow2 (i = %d, %s): expected -Inf," |
| " got\n", i, mpfr_print_rnd_mode ((mp_rnd_t) rnd)); |
| mpfr_dump (r); |
| err = 1; |
| } |
| else if (!inf && (mpfr_inf_p (r) || |
| (mpfr_nextbelow (r), ! mpfr_inf_p (r)))) |
| { |
| printf ("Error in test_overflow2 (i = %d, %s): expected -MAX," |
| " got\n", i, mpfr_print_rnd_mode ((mp_rnd_t) rnd)); |
| mpfr_dump (r); |
| err = 1; |
| } |
| if (inf ? inex >= 0 : inex <= 0) |
| { |
| printf ("Error in test_overflow2 (i = %d, %s): wrong inexact" |
| " flag (got %d)\n", i, |
| mpfr_print_rnd_mode ((mp_rnd_t) rnd), inex); |
| err = 1; |
| } |
| |
| } |
| |
| if (err) |
| exit (1); |
| mpfr_clears (x, y, z, r, (mpfr_ptr) 0); |
| } |
| |
| static void |
| test_underflow1 (void) |
| { |
| mpfr_t x, y, z, r; |
| int inex, signy, signz, rnd, err = 0; |
| |
| mpfr_inits2 (8, x, y, z, r, (mpfr_ptr) 0); |
| |
| MPFR_SET_POS (x); |
| mpfr_setmin (x, mpfr_get_emin ()); /* x = 0.1@emin */ |
| |
| for (signy = -1; signy <= 1; signy += 2) |
| { |
| mpfr_set_si_2exp (y, signy, -1, GMP_RNDN); /* |y| = 1/2 */ |
| for (signz = -3; signz <= 3; signz += 2) |
| { |
| RND_LOOP (rnd) |
| { |
| mpfr_set_si (z, signz, GMP_RNDN); |
| if (ABS (signz) != 1) |
| mpfr_setmax (z, mpfr_get_emax ()); |
| /* |z| = 1 or 2^emax - ulp */ |
| mpfr_clear_flags (); |
| inex = mpfr_fma (r, x, y, z, (mp_rnd_t) rnd); |
| #define ERRTU1 "Error in test_underflow1 (signy = %d, signz = %d, %s)\n " |
| if (mpfr_nanflag_p ()) |
| { |
| printf (ERRTU1 "NaN flag is set\n", signy, signz, |
| mpfr_print_rnd_mode ((mp_rnd_t) rnd)); |
| err = 1; |
| } |
| if (signy < 0 && (rnd == GMP_RNDD || |
| (rnd == GMP_RNDZ && signz > 0))) |
| mpfr_nextbelow (z); |
| if (signy > 0 && (rnd == GMP_RNDU || |
| (rnd == GMP_RNDZ && signz < 0))) |
| mpfr_nextabove (z); |
| if ((mpfr_overflow_p () != 0) ^ (mpfr_inf_p (z) != 0)) |
| { |
| printf (ERRTU1 "wrong overflow flag\n", signy, signz, |
| mpfr_print_rnd_mode ((mp_rnd_t) rnd)); |
| err = 1; |
| } |
| if (mpfr_underflow_p ()) |
| { |
| printf (ERRTU1 "underflow flag is set\n", signy, signz, |
| mpfr_print_rnd_mode ((mp_rnd_t) rnd)); |
| err = 1; |
| } |
| if (! mpfr_equal_p (r, z)) |
| { |
| printf (ERRTU1 "got ", signy, signz, |
| mpfr_print_rnd_mode ((mp_rnd_t) rnd)); |
| mpfr_print_binary (r); |
| printf (" instead of "); |
| mpfr_print_binary (z); |
| printf ("\n"); |
| err = 1; |
| } |
| if (inex >= 0 && (rnd == GMP_RNDD || |
| (rnd == GMP_RNDZ && signz > 0) || |
| (rnd == GMP_RNDN && signy > 0))) |
| { |
| printf (ERRTU1 "ternary value = %d instead of < 0\n", |
| signy, signz, mpfr_print_rnd_mode ((mp_rnd_t) rnd), |
| inex); |
| err = 1; |
| } |
| if (inex <= 0 && (rnd == GMP_RNDU || |
| (rnd == GMP_RNDZ && signz < 0) || |
| (rnd == GMP_RNDN && signy < 0))) |
| { |
| printf (ERRTU1 "ternary value = %d instead of > 0\n", |
| signy, signz, mpfr_print_rnd_mode ((mp_rnd_t) rnd), |
| inex); |
| err = 1; |
| } |
| } |
| } |
| } |
| |
| if (err) |
| exit (1); |
| mpfr_clears (x, y, z, r, (mpfr_ptr) 0); |
| } |
| |
| static void |
| test_underflow2 (void) |
| { |
| mpfr_t x, y, z, r; |
| int b, i, inex, same, err = 0; |
| |
| mpfr_inits2 (32, x, y, z, r, (mpfr_ptr) 0); |
| |
| mpfr_set_si_2exp (z, 1, mpfr_get_emin (), GMP_RNDN); /* z = 2^emin */ |
| mpfr_set_si_2exp (x, 1, mpfr_get_emin (), GMP_RNDN); /* x = 2^emin */ |
| |
| for (b = 0; b <= 1; b++) |
| { |
| for (i = 15; i <= 17; i++) |
| { |
| mpfr_set_si_2exp (y, i, -4 - MPFR_PREC (z), GMP_RNDN); |
| /* z = 1.000...00b |
| * xy = 01111 |
| * or 10000 |
| * or 10001 |
| */ |
| mpfr_clear_flags (); |
| inex = mpfr_fma (r, x, y, z, GMP_RNDN); |
| #define ERRTU2 "Error in test_underflow2 (b = %d, i = %d)\n " |
| if (__gmpfr_flags != MPFR_FLAGS_INEXACT) |
| { |
| printf (ERRTU2 "flags = %u instead of %u\n", b, i, |
| __gmpfr_flags, (unsigned int) MPFR_FLAGS_INEXACT); |
| err = 1; |
| } |
| same = i == 15 || (i == 16 && b == 0); |
| if (same ? (inex >= 0) : (inex <= 0)) |
| { |
| printf (ERRTU2 "incorrect ternary value (%d instead of %c 0)\n", |
| b, i, inex, same ? '<' : '>'); |
| err = 1; |
| } |
| mpfr_set (y, z, GMP_RNDN); |
| if (!same) |
| mpfr_nextabove (y); |
| if (! mpfr_equal_p (r, y)) |
| { |
| printf (ERRTU2 "expected ", b, i); |
| mpfr_dump (y); |
| printf (" got "); |
| mpfr_dump (r); |
| err = 1; |
| } |
| } |
| mpfr_nextabove (z); |
| } |
| |
| if (err) |
| exit (1); |
| mpfr_clears (x, y, z, r, (mpfr_ptr) 0); |
| } |
| |
| int |
| main (int argc, char *argv[]) |
| { |
| mpfr_t x, y, z, s; |
| MPFR_SAVE_EXPO_DECL (expo); |
| |
| tests_start_mpfr (); |
| |
| mpfr_init (x); |
| mpfr_init (s); |
| mpfr_init (y); |
| mpfr_init (z); |
| |
| /* check special cases */ |
| mpfr_set_prec (x, 2); |
| mpfr_set_prec (y, 2); |
| mpfr_set_prec (z, 2); |
| mpfr_set_prec (s, 2); |
| mpfr_set_str (x, "-0.75", 10, GMP_RNDN); |
| mpfr_set_str (y, "0.5", 10, GMP_RNDN); |
| mpfr_set_str (z, "0.375", 10, GMP_RNDN); |
| mpfr_fma (s, x, y, z, GMP_RNDU); /* result is 0 */ |
| if (mpfr_cmp_ui(s, 0)) |
| { |
| printf("Error: -0.75 * 0.5 + 0.375 should be equal to 0 for prec=2\n"); |
| exit(1); |
| } |
| |
| mpfr_set_prec (x, 27); |
| mpfr_set_prec (y, 27); |
| mpfr_set_prec (z, 27); |
| mpfr_set_prec (s, 27); |
| mpfr_set_str_binary (x, "1.11111111111111111111111111e-1"); |
| mpfr_set (y, x, GMP_RNDN); |
| mpfr_set_str_binary (z, "-1.00011110100011001011001001e-1"); |
| if (mpfr_fma (s, x, y, z, GMP_RNDN) >= 0) |
| { |
| printf ("Wrong inexact flag for x=y=1-2^(-27)\n"); |
| exit (1); |
| } |
| |
| mpfr_set_nan (x); |
| mpfr_urandomb (y, RANDS); |
| mpfr_urandomb (z, RANDS); |
| mpfr_fma (s, x, y, z, GMP_RNDN); |
| if (!mpfr_nan_p (s)) |
| { |
| printf ("evaluation of function in x=NAN does not return NAN"); |
| exit (1); |
| } |
| |
| mpfr_set_nan (y); |
| mpfr_urandomb (x, RANDS); |
| mpfr_urandomb (z, RANDS); |
| mpfr_fma (s, x, y, z, GMP_RNDN); |
| if (!mpfr_nan_p(s)) |
| { |
| printf ("evaluation of function in y=NAN does not return NAN"); |
| exit (1); |
| } |
| |
| mpfr_set_nan (z); |
| mpfr_urandomb (y, RANDS); |
| mpfr_urandomb (x, RANDS); |
| mpfr_fma (s, x, y, z, GMP_RNDN); |
| if (!mpfr_nan_p (s)) |
| { |
| printf ("evaluation of function in z=NAN does not return NAN"); |
| exit (1); |
| } |
| |
| mpfr_set_inf (x, 1); |
| mpfr_set_inf (y, 1); |
| mpfr_set_inf (z, 1); |
| mpfr_fma (s, x, y, z, GMP_RNDN); |
| if (!mpfr_inf_p (s) || mpfr_sgn (s) < 0) |
| { |
| printf ("Error for (+inf) * (+inf) + (+inf)\n"); |
| exit (1); |
| } |
| |
| mpfr_set_inf (x, -1); |
| mpfr_set_inf (y, -1); |
| mpfr_set_inf (z, 1); |
| mpfr_fma (s, x, y, z, GMP_RNDN); |
| if (!mpfr_inf_p (s) || mpfr_sgn (s) < 0) |
| { |
| printf ("Error for (-inf) * (-inf) + (+inf)\n"); |
| exit (1); |
| } |
| |
| mpfr_set_inf (x, 1); |
| mpfr_set_inf (y, -1); |
| mpfr_set_inf (z, -1); |
| mpfr_fma (s, x, y, z, GMP_RNDN); |
| if (!mpfr_inf_p (s) || mpfr_sgn (s) > 0) |
| { |
| printf ("Error for (+inf) * (-inf) + (-inf)\n"); |
| exit (1); |
| } |
| |
| mpfr_set_inf (x, -1); |
| mpfr_set_inf (y, 1); |
| mpfr_set_inf (z, -1); |
| mpfr_fma (s, x, y, z, GMP_RNDN); |
| if (!mpfr_inf_p (s) || mpfr_sgn (s) > 0) |
| { |
| printf ("Error for (-inf) * (+inf) + (-inf)\n"); |
| exit (1); |
| } |
| |
| mpfr_set_inf (x, 1); |
| mpfr_set_ui (y, 0, GMP_RNDN); |
| mpfr_urandomb (z, RANDS); |
| mpfr_fma (s, x, y, z, GMP_RNDN); |
| if (!mpfr_nan_p (s)) |
| { |
| printf ("evaluation of function in x=INF y=0 does not return NAN"); |
| exit (1); |
| } |
| |
| mpfr_set_inf (y, 1); |
| mpfr_set_ui (x, 0, GMP_RNDN); |
| mpfr_urandomb (z, RANDS); |
| mpfr_fma (s, x, y, z, GMP_RNDN); |
| if (!mpfr_nan_p (s)) |
| { |
| printf ("evaluation of function in x=0 y=INF does not return NAN"); |
| exit (1); |
| } |
| |
| mpfr_set_inf (x, 1); |
| mpfr_urandomb (y, RANDS); /* always positive */ |
| mpfr_set_inf (z, -1); |
| mpfr_fma (s, x, y, z, GMP_RNDN); |
| if (!mpfr_nan_p (s)) |
| { |
| printf ("evaluation of function in x=INF y>0 z=-INF does not return NAN"); |
| exit (1); |
| } |
| |
| mpfr_set_inf (y, 1); |
| mpfr_urandomb (x, RANDS); |
| mpfr_set_inf (z, -1); |
| mpfr_fma (s, x, y, z, GMP_RNDN); |
| if (!mpfr_nan_p (s)) |
| { |
| printf ("evaluation of function in x>0 y=INF z=-INF does not return NAN"); |
| exit (1); |
| } |
| |
| mpfr_set_inf (x, 1); |
| mpfr_urandomb (y, RANDS); |
| mpfr_urandomb (z, RANDS); |
| mpfr_fma (s, x, y, z, GMP_RNDN); |
| if (!mpfr_inf_p (s) || mpfr_sgn (s) < 0) |
| { |
| printf ("evaluation of function in x=INF does not return INF"); |
| exit (1); |
| } |
| |
| mpfr_set_inf (y, 1); |
| mpfr_urandomb (x, RANDS); |
| mpfr_urandomb (z, RANDS); |
| mpfr_fma (s, x, y, z, GMP_RNDN); |
| if (!mpfr_inf_p (s) || mpfr_sgn (s) < 0) |
| { |
| printf ("evaluation of function in y=INF does not return INF"); |
| exit (1); |
| } |
| |
| mpfr_set_inf (z, 1); |
| mpfr_urandomb (x, RANDS); |
| mpfr_urandomb (y, RANDS); |
| mpfr_fma (s, x, y, z, GMP_RNDN); |
| if (!mpfr_inf_p (s) || mpfr_sgn (s) < 0) |
| { |
| printf ("evaluation of function in z=INF does not return INF"); |
| exit (1); |
| } |
| |
| mpfr_set_ui (x, 0, GMP_RNDN); |
| mpfr_urandomb (y, RANDS); |
| mpfr_urandomb (z, RANDS); |
| mpfr_fma (s, x, y, z, GMP_RNDN); |
| if (mpfr_cmp (s, z)) |
| { |
| printf ("evaluation of function in x=0 does not return z\n"); |
| exit (1); |
| } |
| |
| mpfr_set_ui (y, 0, GMP_RNDN); |
| mpfr_urandomb (x, RANDS); |
| mpfr_urandomb (z, RANDS); |
| mpfr_fma (s, x, y, z, GMP_RNDN); |
| if (mpfr_cmp (s, z)) |
| { |
| printf ("evaluation of function in y=0 does not return z\n"); |
| exit (1); |
| } |
| |
| { |
| mp_prec_t prec; |
| mpfr_t t, slong; |
| mp_rnd_t rnd; |
| int inexact, compare; |
| unsigned int n; |
| |
| mp_prec_t p0=2, p1=200; |
| unsigned int N=200; |
| |
| mpfr_init (t); |
| mpfr_init (slong); |
| |
| /* generic test */ |
| for (prec = p0; prec <= p1; prec++) |
| { |
| mpfr_set_prec (x, prec); |
| mpfr_set_prec (y, prec); |
| mpfr_set_prec (z, prec); |
| mpfr_set_prec (s, prec); |
| mpfr_set_prec (t, prec); |
| |
| for (n=0; n<N; n++) |
| { |
| mpfr_urandomb (x, RANDS); |
| mpfr_urandomb (y, RANDS); |
| mpfr_urandomb (z, RANDS); |
| |
| if (randlimb () % 2) |
| mpfr_neg (x, x, GMP_RNDN); |
| if (randlimb () % 2) |
| mpfr_neg (y, y, GMP_RNDN); |
| if (randlimb () % 2) |
| mpfr_neg (z, z, GMP_RNDN); |
| |
| rnd = RND_RAND (); |
| mpfr_set_prec (slong, 2 * prec); |
| if (mpfr_mul (slong, x, y, rnd)) |
| { |
| printf ("x*y should be exact\n"); |
| exit (1); |
| } |
| compare = mpfr_add (t, slong, z, rnd); |
| inexact = mpfr_fma (s, x, y, z, rnd); |
| if (mpfr_cmp (s, t)) |
| { |
| printf ("results differ for x="); |
| mpfr_out_str (stdout, 2, prec, x, GMP_RNDN); |
| printf (" y="); |
| mpfr_out_str (stdout, 2, prec, y, GMP_RNDN); |
| printf (" z="); |
| mpfr_out_str (stdout, 2, prec, z, GMP_RNDN); |
| printf (" prec=%u rnd_mode=%s\n", (unsigned int) prec, |
| mpfr_print_rnd_mode (rnd)); |
| printf ("got "); |
| mpfr_out_str (stdout, 2, prec, s, GMP_RNDN); |
| puts (""); |
| printf ("expected "); |
| mpfr_out_str (stdout, 2, prec, t, GMP_RNDN); |
| puts (""); |
| printf ("approx "); |
| mpfr_print_binary (slong); |
| puts (""); |
| exit (1); |
| } |
| 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_out_str (stdout, 2, 0, x, GMP_RNDN); |
| printf (" y="); mpfr_out_str (stdout, 2, 0, y, GMP_RNDN); |
| printf (" z="); mpfr_out_str (stdout, 2, 0, z, GMP_RNDN); |
| printf (" s="); mpfr_out_str (stdout, 2, 0, s, GMP_RNDN); |
| printf ("\n"); |
| exit (1); |
| } |
| } |
| } |
| mpfr_clear (t); |
| mpfr_clear (slong); |
| |
| } |
| mpfr_clear (x); |
| mpfr_clear (y); |
| mpfr_clear (z); |
| mpfr_clear (s); |
| |
| test_exact (); |
| |
| MPFR_SAVE_EXPO_MARK (expo); |
| test_overflow1 (); |
| test_overflow2 (); |
| test_underflow1 (); |
| test_underflow2 (); |
| MPFR_SAVE_EXPO_FREE (expo); |
| |
| tests_end_mpfr (); |
| return 0; |
| } |
