From 11da511c784eca003deb90c23570f0873954e0de Mon Sep 17 00:00:00 2001 From: Duncan Wilkie Date: Sat, 18 Nov 2023 06:11:09 -0600 Subject: Initial commit. --- gmp-6.3.0/mini-gmp/tests/t-signed.c | 348 ++++++++++++++++++++++++++++++++++++ 1 file changed, 348 insertions(+) create mode 100644 gmp-6.3.0/mini-gmp/tests/t-signed.c (limited to 'gmp-6.3.0/mini-gmp/tests/t-signed.c') diff --git a/gmp-6.3.0/mini-gmp/tests/t-signed.c b/gmp-6.3.0/mini-gmp/tests/t-signed.c new file mode 100644 index 0000000..cfa40d7 --- /dev/null +++ b/gmp-6.3.0/mini-gmp/tests/t-signed.c @@ -0,0 +1,348 @@ +/* Exercise some mpz_..._si functions. + +Copyright 2013, 2016, 2020 Free Software Foundation, Inc. + +This file is part of the GNU MP Library test suite. + +The GNU MP Library test suite is free software; you can redistribute it +and/or modify it under the terms of the GNU General Public License as +published by the Free Software Foundation; either version 3 of the License, +or (at your option) any later version. + +The GNU MP Library test suite 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 General +Public License for more details. + +You should have received a copy of the GNU General Public License along with +the GNU MP Library test suite. If not, see https://www.gnu.org/licenses/. */ + +#include +#include +#include + +#include "testutils.h" + +/* Always called with sz fitting in a signed long, and si is the + corresponding value. */ +int +check_si (const mpz_t sz, long si) +{ + mpz_t t; + + /* Checks on sz/si */ + if ((mpz_cmp_si (sz, si)) != 0) + { + printf ("mpz_cmp_si (sz, %ld) != 0.\n", si); + return 0; + } + if (mpz_get_si (sz) != si) + { + printf ("mpz_get_si (sz) != %ld.\n", si); + return 0; + } + + mpz_init_set_si (t, si); + + if (mpz_cmp (t, sz) != 0) + { + printf ("mpz_init_set_si (%ld) failed.\n", si); + printf (" got="); mpz_out_str (stdout, 10, t); printf ("\n"); + return 0; + } + + mpz_clear (t); + return 1; +} + +/* Called with mpz_cmp (sz, oz) == c. If sz fits in a signed long, + si is the coresponding value, and similarly for oz and oi. */ +void +check_si_cmp (const mpz_t sz, const mpz_t oz, long si, long oi, int c) +{ + if (mpz_cmp (sz, oz) != c) + { + printf ("mpz_cmp (sz, oz) != %i.\n", c); + goto fail; + } + + if (mpz_fits_slong_p (sz)) + { + if (!check_si (sz, si)) + goto fail; + if (mpz_cmp_si (oz, si) != -c) + { + printf ("mpz_cmp_si (oz, %ld) != %i.\n", si, -c); + goto fail; + } + } + else + { + if (mpz_cmp_si (sz, si) != c) + { + printf ("mpz_cmp_si (sz, %ld) != %i.\n", si, c); + goto fail; + } + if (mpz_cmp_si (sz, -c) != c) + { + printf ("mpz_cmp_si (sz, %i) != %i.\n", -c, c); + goto fail; + } + } + if (mpz_fits_slong_p (oz)) + { + if (!check_si (oz, oi)) + goto fail; + if (mpz_cmp_si (sz, oi) != c) + { + printf ("mpz_cmp_si (sz, %ld) != %i.\n", oi, c); + goto fail; + } + } + return; + + fail: + printf (" sz="); mpz_out_str (stdout, 10, sz); printf ("\n"); + printf (" si=%ld\n", si); + printf (" oz="); mpz_out_str (stdout, 10, oz); printf ("\n"); + printf (" oi=%ld\n", si); + abort (); +} + +void +try_op_si (int c) +{ + long si, oi; + mpz_t sz, oz; + unsigned overflow_count; + + si = c; + mpz_init_set_si (sz, si); + + oi = si; + mpz_init_set (oz, sz); + + /* To get a few tests with operands straddling the border, don't + stop at the very first operand exceeding a signed long. */ + for (overflow_count = 0; overflow_count < 10; ) + { + /* c * 2^k */ + mpz_mul_2exp (sz, sz, 1); + if (mpz_fits_slong_p (sz)) + si *= 2; + else + overflow_count++; + + check_si_cmp (sz, oz, si, oi, c); + + /* c * (2^k + 1) */ + if (c == -1) + mpz_sub_ui (oz, sz, 1); + else + mpz_add_ui (oz, sz, 1); + if (mpz_fits_slong_p (oz)) + oi = si + c; + else + overflow_count++; + check_si_cmp (oz, sz, oi, si, c); + + /* c * (2^K - 1) */ + mpz_mul_si (oz, sz, 2*c); + if (c == -1) + mpz_ui_sub (oz, 1, oz); /* oz = sz * 2 + 1 */ + else + mpz_sub_ui (oz, oz, 1); /* oz = sz * 2 - 1 */ + if (mpz_fits_slong_p (oz)) + oi = (si - c) * 2 + c; + else + overflow_count++; + + check_si_cmp (oz, sz, oi, si, c); + }; + + mpz_clear (sz); + mpz_clear (oz); +} + +void +try_fits_slong_p (void) +{ + mpz_t x; + mpz_init_set_si (x, LONG_MAX); + if (!mpz_fits_slong_p (x)) + { + printf ("mpz_fits_slong_p (LONG_MAX) false!\n"); + abort (); + } + mpz_add_ui (x, x, 1); + if (mpz_fits_slong_p (x)) + { + printf ("mpz_fits_slong_p (LONG_MAX + 1) true!\n"); + abort (); + } + mpz_set_si (x, LONG_MIN); + if (!mpz_fits_slong_p (x)) + { + printf ("mpz_fits_slong_p (LONG_MIN) false!\n"); + abort (); + } + mpz_sub_ui (x, x, 1); + if (mpz_fits_slong_p (x)) + { + printf ("mpz_fits_slong_p (LONG_MIN - 1) true!\n"); + abort (); + } + + mpz_clear (x); +} + +void +try_fits_utype_p (void) +{ + mpz_t x; + mpz_init (x); + if (!mpz_fits_ulong_p (x)) + { + printf ("mpz_fits_ulong_p (0) false!\n"); + abort (); + } + if (!mpz_fits_uint_p (x)) + { + printf ("mpz_fits_uint_p (0) false!\n"); + abort (); + } + if (!mpz_fits_ushort_p (x)) + { + printf ("mpz_fits_udhort_p (0) false!\n"); + abort (); + } + mpz_set_si (x, -1); + if (mpz_fits_ulong_p (x)) + { + printf ("mpz_fits_ulong_p (- 1) true!\n"); + abort (); + } + if (mpz_fits_uint_p (x)) + { + printf ("mpz_fits_uint_p (- 1) true!\n"); + abort (); + } + if (mpz_fits_ushort_p (x)) + { + printf ("mpz_fits_ushort_p (- 1) true!\n"); + abort (); + } + mpz_set_ui (x, ULONG_MAX); + if (!mpz_fits_ulong_p (x)) + { + printf ("mpz_fits_ulong_p (ULONG_MAX) false!\n"); + abort (); + } + mpz_add_ui (x, x, 1); + if (mpz_fits_ulong_p (x)) + { + printf ("mpz_fits_ulong_p (ULONG_MAX + 1) true!\n"); + abort (); + } + mpz_set_ui (x, UINT_MAX); + if (!mpz_fits_uint_p (x)) + { + printf ("mpz_fits_uint_p (UINT_MAX) false!\n"); + abort (); + } + mpz_add_ui (x, x, 1); + if (mpz_fits_uint_p (x)) + { + printf ("mpz_fits_uint_p (UINT_MAX + 1) true!\n"); + abort (); + } + mpz_set_ui (x, USHRT_MAX); + if (!mpz_fits_ushort_p (x)) + { + printf ("mpz_fits_ushort_p (USHRT_MAX) false!\n"); + abort (); + } + mpz_add_ui (x, x, 1); + if (mpz_fits_ushort_p (x)) + { + printf ("mpz_fits_ushort_p (USHRT_MAX + 1) true!\n"); + abort (); + } + + mpz_clear (x); +} + +void +try_fits_sint_p (void) +{ + mpz_t x; + mpz_init_set_si (x, INT_MAX); + if (!mpz_fits_sint_p (x)) + { + printf ("mpz_fits_sint_p (INT_MAX) false!\n"); + abort (); + } + mpz_add_ui (x, x, 1); + if (mpz_fits_sint_p (x)) + { + printf ("mpz_fits_sint_p (INT_MAX + 1) true!\n"); + abort (); + } + mpz_set_si (x, INT_MIN); + if (!mpz_fits_sint_p (x)) + { + printf ("mpz_fits_sint_p (INT_MIN) false!\n"); + abort (); + } + mpz_sub_ui (x, x, 1); + if (mpz_fits_sint_p (x)) + { + printf ("mpz_fits_sint_p (INT_MIN - 1) true!\n"); + abort (); + } + + mpz_clear (x); +} + +void +try_fits_sshort_p (void) +{ + mpz_t x; + mpz_init_set_si (x, SHRT_MAX); + if (!mpz_fits_sshort_p (x)) + { + printf ("mpz_fits_sshort_p (SHRT_MAX) false!\n"); + abort (); + } + mpz_add_ui (x, x, 1); + if (mpz_fits_sshort_p (x)) + { + printf ("mpz_fits_sshort_p (SHRT_MAX + 1) true!\n"); + abort (); + } + mpz_set_si (x, SHRT_MIN); + if (!mpz_fits_sshort_p (x)) + { + printf ("mpz_fits_sshort_p (SHRT_MIN) false!\n"); + abort (); + } + mpz_sub_ui (x, x, 1); + if (mpz_fits_sshort_p (x)) + { + printf ("mpz_fits_sshort_p (SHRT_MIN - 1) true!\n"); + abort (); + } + + mpz_clear (x); +} + +void +testmain (int argc, char *argv[]) +{ + try_fits_slong_p (); + try_fits_sint_p (); + try_fits_sshort_p (); + try_fits_utype_p (); + try_op_si (-1); + try_op_si (1); +} -- cgit v1.2.3