=================================================================== RCS file: /home/cvs/OpenXM_contrib/gmp/mpz/tests/Attic/reuse.c,v retrieving revision 1.1.1.1 retrieving revision 1.1.1.2 diff -u -p -r1.1.1.1 -r1.1.1.2 --- OpenXM_contrib/gmp/mpz/tests/Attic/reuse.c 2000/01/10 15:35:28 1.1.1.1 +++ OpenXM_contrib/gmp/mpz/tests/Attic/reuse.c 2000/09/09 14:13:01 1.1.1.2 @@ -1,135 +1,512 @@ -/* Test that routines allow reusing a source variable as destination. */ +/* Test that routines allow reusing a source variable as destination. + Test all relevant functions except: + mpz_bin_ui + mpz_nextprime + mpz_mul_si + mpz_addmul_ui (should this really allow a+=a*c?) +Copyright (C) 1996, 1999, 2000 Free Software Foundation, Inc. + +This file is part of the GNU MP Library. + +The GNU MP 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 MP 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 MP Library; see the file COPYING.LIB. If not, write to +the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, +MA 02111-1307, USA. */ + + #include #include "gmp.h" #include "gmp-impl.h" #include "urandom.h" #ifndef SIZE -#define SIZE 16 +#define SIZE 50 #endif +typedef void (*dss_func) _PROTO ((mpz_ptr, mpz_srcptr, mpz_srcptr)); +typedef void (*dsi_func) _PROTO ((mpz_ptr, mpz_srcptr, unsigned long int)); +typedef unsigned long int (*dsi_div_func) _PROTO ((mpz_ptr, mpz_srcptr, unsigned long int)); +typedef unsigned long int (*ddsi_div_func) _PROTO ((mpz_ptr, mpz_ptr, mpz_srcptr, unsigned long int)); +typedef void (*ddss_div_func) _PROTO ((mpz_ptr, mpz_ptr, mpz_srcptr, mpz_srcptr)); +typedef void (*ds_func) _PROTO ((mpz_ptr, mpz_srcptr)); + + +void #if __STDC__ -typedef void (*dss_func) (mpz_ptr, mpz_srcptr, mpz_srcptr); +mpz_xinvert (mpz_ptr r, mpz_srcptr a, mpz_srcptr b) #else -typedef void (*dss_func) (); +mpz_xinvert (r, a, b) + mpz_ptr r; + mpz_srcptr a; + mpz_srcptr b; #endif +{ + int res; + res = mpz_invert (r, a, b); + if (res == 0) + mpz_set_ui (r, 0); +} dss_func dss_funcs[] = { - mpz_add, mpz_and, mpz_cdiv_q, mpz_cdiv_r, mpz_fdiv_q, mpz_fdiv_r, - mpz_gcd, mpz_ior, mpz_mul, mpz_sub, mpz_tdiv_q, mpz_tdiv_r + mpz_add, mpz_sub, mpz_mul, + mpz_cdiv_q, mpz_cdiv_r, mpz_fdiv_q, mpz_fdiv_r, mpz_tdiv_q, mpz_tdiv_r, + mpz_xinvert, + mpz_gcd, mpz_lcm, mpz_and, mpz_ior, mpz_xor }; - char *dss_func_names[] = { - "mpz_add", "mpz_and", "mpz_cdiv_q", "mpz_cdiv_r", "mpz_fdiv_q", "mpz_fdiv_r", - "mpz_gcd", "mpz_ior", "mpz_mul", "mpz_sub", "mpz_tdiv_q", "mpz_tdiv_r" + "mpz_add", "mpz_sub", "mpz_mul", + "mpz_cdiv_q", "mpz_cdiv_r", "mpz_fdiv_q", "mpz_fdiv_r", "mpz_tdiv_q", "mpz_tdiv_r", + "mpz_xinvert", + "mpz_gcd", "mpz_lcm", "mpz_and", "mpz_ior", "mpz_xor" }; +char dss_func_division[] = {0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0}; -char dss_func_division[] = {0, 0, 1, 1, 1, 1, 0, 0, 0, 0, 1, 1}; +dsi_func dsi_funcs[] = +{ + /* Don't change order here without changing the code in main(). */ + mpz_add_ui, mpz_mul_ui, mpz_sub_ui, + mpz_fdiv_q_2exp, mpz_fdiv_r_2exp, + mpz_tdiv_q_2exp, mpz_tdiv_r_2exp, + mpz_mul_2exp, + mpz_pow_ui +}; +char *dsi_func_names[] = +{ + "mpz_add_ui", "mpz_mul_ui", "mpz_sub_ui", + "mpz_fdiv_q_2exp", "mpz_fdiv_r_2exp", + "mpz_tdiv_q_2exp", "mpz_tdiv_r_2exp", + "mpz_mul_2exp", + "mpz_pow_ui" +}; -#if 0 -mpz_divexact /* requires special operands */ +dsi_div_func dsi_div_funcs[] = +{ + mpz_cdiv_q_ui, mpz_cdiv_r_ui, + mpz_fdiv_q_ui, mpz_fdiv_r_ui, + mpz_tdiv_q_ui, mpz_tdiv_r_ui +}; +char *dsi_div_func_names[] = +{ + "mpz_cdiv_q_ui", "mpz_cdiv_r_ui", + "mpz_fdiv_q_ui", "mpz_fdiv_r_ui", + "mpz_tdiv_q_ui", "mpz_tdiv_r_ui" +}; + +ddsi_div_func ddsi_div_funcs[] = +{ + mpz_cdiv_qr_ui, + mpz_fdiv_qr_ui, + mpz_tdiv_qr_ui +}; +char *ddsi_div_func_names[] = +{ + "mpz_cdiv_qr_ui", + "mpz_fdiv_qr_ui", + "mpz_tdiv_qr_ui" +}; + +ddss_div_func ddss_div_funcs[] = +{ + mpz_cdiv_qr, + mpz_fdiv_qr, + mpz_tdiv_qr +}; +char *ddss_div_func_names[] = +{ + "mpz_cdiv_qr", + "mpz_fdiv_qr", + "mpz_tdiv_qr" +}; + +ds_func ds_funcs[] = +{ + mpz_abs, mpz_com, mpz_neg, mpz_sqrt +}; +char *ds_func_names[] = +{ + "mpz_abs", "mpz_com", "mpz_neg", "mpz_sqrt" +}; + + +/* Really use `defined (__STDC__)' here; we want it to be true for Sun C */ +#if defined (__STDC__) || defined (__cplusplus) +#define FAIL(class,indx,op1,op2,op3) \ + do { \ + class##_funcs[indx] = 0; \ + dump_abort (class##_func_names[indx], op1, op2, op3); \ + failures++; \ + } while (0) +#else +#define FAIL(class,indx,op1,op2,op3) \ + do { \ + class/**/_funcs[indx] = 0; \ + dump_abort (class/**/_func_names[indx], op1, op2, op3); \ + failures++; \ + } while (0) #endif + main (argc, argv) int argc; char **argv; { int i; - int pass, reps = 10000; - mpz_t in1, in2, out1; + int pass, reps = 1000; + mpz_t in1, in2, in3; + unsigned long int in2i; mpz_t res1, res2, res3; + mpz_t ref1, ref2, ref3; + mpz_t t; + unsigned long int r1, r2; + long failures = 0; if (argc == 2) reps = atoi (argv[1]); mpz_init (in1); mpz_init (in2); - mpz_init (out1); + mpz_init (in3); + mpz_init (ref1); + mpz_init (ref2); + mpz_init (ref3); mpz_init (res1); mpz_init (res2); mpz_init (res3); + mpz_init (t); for (pass = 1; pass <= reps; pass++) { - mpz_random (in1, urandom () % SIZE - SIZE/2); - mpz_random (in2, urandom () % SIZE - SIZE/2); + mpz_random2 (in1, urandom () % (2 * SIZE) - SIZE); + mpz_random2 (in2, urandom () % (2 * SIZE) - SIZE); + mpz_random2 (in3, urandom () % (2 * SIZE) - SIZE); for (i = 0; i < sizeof (dss_funcs) / sizeof (dss_func); i++) { - if (dss_func_division[i] && mpz_cmp_ui (in2, 0) == 0) + if (dss_funcs[i] == 0) continue; + if (dss_func_division[i] && mpz_sgn (in2) == 0) + continue; - (dss_funcs[i]) (res1, in1, in2); + (dss_funcs[i]) (ref1, in1, in2); - mpz_set (out1, in1); - (dss_funcs[i]) (out1, out1, in2); - mpz_set (res2, out1); + mpz_set (res1, in1); + (dss_funcs[i]) (res1, res1, in2); + if (mpz_cmp (ref1, res1) != 0) + FAIL (dss, i, in1, in2, NULL); - mpz_set (out1, in2); - (dss_funcs[i]) (out1, in1, out1); - mpz_set (res3, out1); + mpz_set (res1, in2); + (dss_funcs[i]) (res1, in1, res1); + if (mpz_cmp (ref1, res1) != 0) + FAIL (dss, i, in1, in2, NULL); + } - if (mpz_cmp (res1, res2) != 0) - dump_abort (dss_func_names[i], in1, in2); - if (mpz_cmp (res1, res3) != 0) - dump_abort (dss_func_names[i], in1, in2); + for (i = 0; i < sizeof (ddss_div_funcs) / sizeof (ddss_div_func); i++) + { + if (ddss_div_funcs[i] == 0) + continue; + if (mpz_sgn (in2) == 0) + continue; + + (ddss_div_funcs[i]) (ref1, ref2, in1, in2); + + mpz_set (res1, in1); + (ddss_div_funcs[i]) (res1, res2, res1, in2); + if (mpz_cmp (ref1, res1) != 0 || mpz_cmp (ref2, res2) != 0) + FAIL (ddss_div, i, in1, in2, NULL); + + mpz_set (res2, in1); + (ddss_div_funcs[i]) (res1, res2, res2, in2); + if (mpz_cmp (ref1, res1) != 0 || mpz_cmp (ref2, res2) != 0) + FAIL (ddss_div, i, in1, in2, NULL); + + mpz_set (res1, in2); + (ddss_div_funcs[i]) (res1, res2, in1, res1); + if (mpz_cmp (ref1, res1) != 0 || mpz_cmp (ref2, res2) != 0) + FAIL (ddss_div, i, in1, in2, NULL); + + mpz_set (res2, in2); + (ddss_div_funcs[i]) (res1, res2, in1, res2); + if (mpz_cmp (ref1, res1) != 0 || mpz_cmp (ref2, res2) != 0) + FAIL (ddss_div, i, in1, in2, NULL); } - } - exit (0); -} + for (i = 0; i < sizeof (ds_funcs) / sizeof (ds_func); i++) + { + if (ds_funcs[i] == 0) + continue; + if (strcmp (ds_func_names[i], "mpz_sqrt") == 0 + && mpz_sgn (in1) < 0) + continue; -dump_abort (name, in1, in2) - char *name; - mpz_t in1, in2; -{ - printf ("failure in %s (", name); - mpz_out_str (stdout, -16, in1); - printf (" "); - mpz_out_str (stdout, -16, in2); - printf (")\n"); - abort (); -} + (ds_funcs[i]) (ref1, in1); -#if 0 -void mpz_add_ui _PROTO ((mpz_ptr, mpz_srcptr, unsigned long int)); -void mpz_div_2exp _PROTO ((mpz_ptr, mpz_srcptr, unsigned long int)); -void mpz_mod_2exp _PROTO ((mpz_ptr, mpz_srcptr, unsigned long int)); -void mpz_mul_2exp _PROTO ((mpz_ptr, mpz_srcptr, unsigned long int)); -void mpz_mul_ui _PROTO ((mpz_ptr, mpz_srcptr, unsigned long int)); -void mpz_pow_ui _PROTO ((mpz_ptr, mpz_srcptr, unsigned long int)); -void mpz_sub_ui _PROTO ((mpz_ptr, mpz_srcptr, unsigned long int)); -void mpz_tdiv_q_ui _PROTO ((mpz_ptr, mpz_srcptr, unsigned long int)); -void mpz_tdiv_r_ui _PROTO ((mpz_ptr, mpz_srcptr, unsigned long int)); + mpz_set (res1, in1); + (ds_funcs[i]) (res1, res1); + if (mpz_cmp (ref1, res1) != 0) + FAIL (ds, i, in1, in2, NULL); + } -void mpz_abs _PROTO ((mpz_ptr, mpz_srcptr)); -void mpz_com _PROTO ((mpz_ptr, mpz_srcptr)); -void mpz_sqrt _PROTO ((mpz_ptr, mpz_srcptr)); -void mpz_neg _PROTO ((mpz_ptr, mpz_srcptr)); + in2i = mpz_get_ui (in2); -void mpz_tdiv_qr_ui _PROTO ((mpz_ptr, mpz_ptr, mpz_srcptr, unsigned long int)); + for (i = 0; i < sizeof (dsi_funcs) / sizeof (dsi_func); i++) + { + if (dsi_funcs[i] == 0) + continue; + if (strcmp (dsi_func_names[i], "mpz_fdiv_q_2exp") == 0) + /* Limit exponent to something reasonable for the division + functions. Without this, we'd normally shift things off + the end and just generate the trivial values 1, 0, -1. */ + in2i %= 0x1000; + if (strcmp (dsi_func_names[i], "mpz_mul_2exp") == 0) + /* Limit exponent more for mpz_mul_2exp to save time. */ + in2i %= 0x100; + if (strcmp (dsi_func_names[i], "mpz_pow_ui") == 0) + /* Limit exponent yet more for mpz_pow_ui to save time. */ + in2i %= 0x10; -void mpz_powm_ui _PROTO ((mpz_ptr, mpz_srcptr, unsigned long int, mpz_srcptr)); + (dsi_funcs[i]) (ref1, in1, in2i); -void mpz_gcdext _PROTO ((mpz_ptr, mpz_ptr, mpz_ptr, mpz_srcptr, mpz_srcptr)); + mpz_set (res1, in1); + (dsi_funcs[i]) (res1, res1, in2i); + if (mpz_cmp (ref1, res1) != 0) + FAIL (dsi, i, in1, in2, NULL); + } -void mpz_cdiv_qr _PROTO ((mpz_ptr, mpz_ptr, mpz_srcptr, mpz_srcptr)); -void mpz_fdiv_qr _PROTO ((mpz_ptr, mpz_ptr, mpz_srcptr, mpz_srcptr)); -void mpz_tdiv_qr _PROTO ((mpz_ptr, mpz_ptr, mpz_srcptr, mpz_srcptr)); + if (in2i != 0) /* Don't divide by 0. */ + { + for (i = 0; i < sizeof (dsi_div_funcs) / sizeof (dsi_div_funcs); i++) + { + r1 = (dsi_div_funcs[i]) (ref1, in1, in2i); -void mpz_powm _PROTO ((mpz_ptr, mpz_srcptr, mpz_srcptr, mpz_srcptr)); + mpz_set (res1, in1); + r2 = (dsi_div_funcs[i]) (res1, res1, in2i); + if (mpz_cmp (ref1, res1) != 0 || r1 != r2) + FAIL (dsi_div, i, in1, in2, NULL); + } -void mpz_sqrtrem _PROTO ((mpz_ptr, mpz_ptr, mpz_srcptr)); + for (i = 0; i < sizeof (ddsi_div_funcs) / sizeof (ddsi_div_funcs); i++) + { + r1 = (ddsi_div_funcs[i]) (ref1, ref2, in1, in2i); -unsigned long int mpz_cdiv_qr_ui _PROTO ((mpz_ptr, mpz_ptr, mpz_srcptr, unsigned long int)); -unsigned long int mpz_fdiv_qr_ui _PROTO ((mpz_ptr, mpz_ptr, mpz_srcptr, unsigned long int)); + mpz_set (res1, in1); + r2 = (ddsi_div_funcs[i]) (res1, res2, res1, in2i); + if (mpz_cmp (ref1, res1) != 0 || mpz_cmp (ref2, res2) != 0 || r1 != r2) + FAIL (ddsi_div, i, in1, in2, NULL); -unsigned long int mpz_cdiv_q_ui _PROTO ((mpz_ptr, mpz_srcptr, unsigned long int)); -unsigned long int mpz_cdiv_r_ui _PROTO ((mpz_ptr, mpz_srcptr, unsigned long int)); -unsigned long int mpz_fdiv_q_ui _PROTO ((mpz_ptr, mpz_srcptr, unsigned long int)); -unsigned long int mpz_fdiv_r_ui _PROTO ((mpz_ptr, mpz_srcptr, unsigned long int)); -unsigned long int mpz_gcd_ui _PROTO ((mpz_ptr, mpz_srcptr, unsigned long int)); -#endif + mpz_set (res2, in1); + (ddsi_div_funcs[i]) (res1, res2, res2, in2i); + if (mpz_cmp (ref1, res1) != 0 || mpz_cmp (ref2, res2) != 0 || r1 != r2) + FAIL (ddsi_div, i, in1, in2, NULL); + } + } + + if (mpz_sgn (in1) >= 0) + { + mpz_sqrtrem (ref1, ref2, in1); + + mpz_set (res1, in1); + mpz_sqrtrem (res1, res2, res1); + if (mpz_cmp (ref1, res1) != 0 || mpz_cmp (ref2, res2) != 0) + dump_abort ("mpz_sqrtrem", in1, NULL, NULL); + + mpz_set (res2, in1); + mpz_sqrtrem (res1, res2, res2); + if (mpz_cmp (ref1, res1) != 0 || mpz_cmp (ref2, res2) != 0) + dump_abort ("mpz_sqrtrem", in1, NULL, NULL); + } + + if (mpz_sgn (in1) >= 0) + { + mpz_root (ref1, in1, in2i % 0x100 + 1); + + mpz_set (res1, in1); + mpz_root (res1, res1, in2i % 0x100 + 1); + if (mpz_cmp (ref1, res1) != 0) + dump_abort ("mpz_root", in1, in2, NULL); + } + + if (pass < reps / 2) /* run fewer tests since gcdext lots of time */ + { + mpz_gcdext (ref1, ref2, ref3, in1, in2); + + mpz_set (res1, in1); + mpz_gcdext (res1, res2, res3, res1, in2); + if (mpz_cmp (ref1, res1) != 0 || mpz_cmp (ref2, res2) != 0 + || mpz_cmp (ref3, res3) != 0) + dump_abort ("mpz_gcdext", in1, in2, NULL); + + mpz_set (res2, in1); + mpz_gcdext (res1, res2, res3, res2, in2); + if (mpz_cmp (ref1, res1) != 0 || mpz_cmp (ref2, res2) != 0 + || mpz_cmp (ref3, res3) != 0) + dump_abort ("mpz_gcdext", in1, in2, NULL); + + mpz_set (res3, in1); + mpz_gcdext (res1, res2, res3, res3, in2); + if (mpz_cmp (ref1, res1) != 0 || mpz_cmp (ref2, res2) != 0 + || mpz_cmp (ref3, res3) != 0) + dump_abort ("mpz_gcdext", in1, in2, NULL); + + mpz_set (res1, in2); + mpz_gcdext (res1, res2, res3, in1, res1); + if (mpz_cmp (ref1, res1) != 0 || mpz_cmp (ref2, res2) != 0 + || mpz_cmp (ref3, res3) != 0) + dump_abort ("mpz_gcdext", in1, in2, NULL); + + mpz_set (res2, in2); + mpz_gcdext (res1, res2, res3, in1, res2); + if (mpz_cmp (ref1, res1) != 0 || mpz_cmp (ref2, res2) != 0 + || mpz_cmp (ref3, res3) != 0) + dump_abort ("mpz_gcdext", in1, in2, NULL); + + mpz_set (res3, in2); + mpz_gcdext (res1, res2, res3, in1, res3); + if (mpz_cmp (ref1, res1) != 0 || mpz_cmp (ref2, res2) != 0 + || mpz_cmp (ref3, res3) != 0) + dump_abort ("mpz_gcdext", in1, in2, NULL); + + mpz_set (res1, in1); + mpz_gcdext (res1, res2, NULL, res1, in2); + if (mpz_cmp (ref1, res1) != 0 || mpz_cmp (ref2, res2) != 0 + || mpz_cmp (ref3, res3) != 0) + dump_abort ("mpz_gcdext", in1, in2, NULL); + + mpz_set (res2, in1); + mpz_gcdext (res1, res2, NULL, res2, in2); + if (mpz_cmp (ref1, res1) != 0 || mpz_cmp (ref2, res2) != 0 + || mpz_cmp (ref3, res3) != 0) + dump_abort ("mpz_gcdext", in1, in2, NULL); + + mpz_set (res1, in2); + mpz_gcdext (res1, res2, NULL, in1, res1); + if (mpz_cmp (ref1, res1) != 0 || mpz_cmp (ref2, res2) != 0 + || mpz_cmp (ref3, res3) != 0) + dump_abort ("mpz_gcdext", in1, in2, NULL); + + mpz_set (res2, in2); + mpz_gcdext (res1, res2, NULL, in1, res2); + if (mpz_cmp (ref1, res1) != 0 || mpz_cmp (ref2, res2) != 0 + || mpz_cmp (ref3, res3) != 0) + dump_abort ("mpz_gcdext", in1, in2, NULL); + } + + /* Don't run mpz_powm for huge exponents or when undefined. */ + if (mpz_sizeinbase (in2, 2) < 250 && mpz_sgn (in3) != 0) + { + mpz_powm (ref1, in1, in2, in3); + + mpz_set (res1, in1); + mpz_powm (res1, res1, in2, in3); + if (mpz_cmp (ref1, res1) != 0) + dump_abort ("mpz_powm", in1, in2, in3); + + mpz_set (res1, in2); + mpz_powm (res1, in1, res1, in3); + if (mpz_cmp (ref1, res1) != 0) + dump_abort ("mpz_powm", in1, in2, in3); + + mpz_set (res1, in3); + mpz_powm (res1, in1, in2, res1); + if (mpz_cmp (ref1, res1) != 0) + dump_abort ("mpz_powm", in1, in2, in3); + } + + /* Don't run mpz_powm_ui when undefined. */ + if (mpz_sgn (in3) != 0) + { + mpz_powm_ui (ref1, in1, in2i, in3); + + mpz_set (res1, in1); + mpz_powm_ui (res1, res1, in2i, in3); + if (mpz_cmp (ref1, res1) != 0) + dump_abort ("mpz_powm_ui", in1, in2, in3); + + mpz_set (res1, in3); + mpz_powm_ui (res1, in1, in2i, res1); + if (mpz_cmp (ref1, res1) != 0) + dump_abort ("mpz_powm_ui", in1, in2, in3); + } + + { + r1 = mpz_gcd_ui (ref1, in1, in2i); + + mpz_set (res1, in1); + r2 = mpz_gcd_ui (res1, res1, in2i); + if (mpz_cmp (ref1, res1) != 0) + dump_abort ("mpz_gcd_ui", in1, in2, NULL); + } + + if (mpz_cmp_ui (in2, 1L) > 0 && mpz_sgn (in1) != 0) + { + /* Test mpz_remove */ + mpz_remove (ref1, in1, in2); + + mpz_set (res1, in1); + mpz_remove (res1, res1, in2); + if (mpz_cmp (ref1, res1) != 0) + dump_abort ("mpz_remove", in1, in2, NULL); + + mpz_set (res1, in2); + mpz_remove (res1, in1, res1); + if (mpz_cmp (ref1, res1) != 0) + dump_abort ("mpz_remove", in1, in2, NULL); + } + + if (mpz_sgn (in2) != 0) + { + /* Test mpz_divexact */ + mpz_mul (t, in1, in2); + mpz_divexact (ref1, t, in2); + + mpz_set (res1, t); + mpz_divexact (res1, res1, in2); + if (mpz_cmp (ref1, res1) != 0) + dump_abort ("mpz_divexact", t, in2, NULL); + + mpz_set (res1, in2); + mpz_divexact (res1, t, res1); + if (mpz_cmp (ref1, res1) != 0) + dump_abort ("mpz_divexact", t, in2, NULL); + } + } + + if (failures != 0) + { + fprintf (stderr, "mpz/reuse: %d error%s\n", failures, "s" + (failures == 1)); + exit (1); + } + + exit (0); +} + +dump_abort (name, in1, in2, in3) + char *name; + mpz_t in1, in2, in3; +{ + printf ("failure in %s (", name); + mpz_out_str (stdout, -16, in1); + if (in2 != NULL) + { + printf (" "); + mpz_out_str (stdout, -16, in2); + } + if (in3 != NULL) + { + printf (" "); + mpz_out_str (stdout, -16, in3); + } + printf (")\n"); +}