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/tests/mpf/t-get_ui.c | 127 +++++++++++++++++++++++++++++++++++++++++ 1 file changed, 127 insertions(+) create mode 100644 gmp-6.3.0/tests/mpf/t-get_ui.c (limited to 'gmp-6.3.0/tests/mpf/t-get_ui.c') diff --git a/gmp-6.3.0/tests/mpf/t-get_ui.c b/gmp-6.3.0/tests/mpf/t-get_ui.c new file mode 100644 index 0000000..6011b0f --- /dev/null +++ b/gmp-6.3.0/tests/mpf/t-get_ui.c @@ -0,0 +1,127 @@ +/* Exercise mpf_get_ui. + +Copyright 2004 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 "gmp-impl.h" +#include "tests.h" + + +void +check_limbdata (void) +{ +#define M GMP_NUMB_MAX + + static const struct { + mp_exp_t exp; + mp_size_t size; + mp_limb_t d[10]; + unsigned long want; + + } data[] = { + + /* in the comments here, a "_" indicates a digit (ie. limb) position not + included in the d data, and therefore zero */ + + { 0, 0, { 0 }, 0L }, /* 0 */ + + { 1, 1, { 1 }, 1L }, /* 1 */ + { 1, -1, { 1 }, 1L }, /* -1 */ + + { 0, 1, { 1 }, 0L }, /* .1 */ + { 0, -1, { 1 }, 0L }, /* -.1 */ + + { -1, 1, { 1 }, 0L }, /* ._1 */ + { -1, -1, { 1 }, 0L }, /* -._1 */ + + { -999, 1, { 1 }, 0L }, /* .___1 small */ + { MP_EXP_T_MIN, 1, { 1 }, 0L }, /* .____1 very small */ + + { 999, 1, { 1 }, 0L }, /* 1____. big */ + { MP_EXP_T_MAX, 1, { 1 }, 0L }, /* 1_____. very big */ + + { 1, 2, { 999, 2 }, 2L }, /* 2.9 */ + { 5, 8, { 7, 8, 9, 3, 0, 0, 0, 1 }, 3L }, /* 10003.987 */ + + { 2, 2, { M, M }, ULONG_MAX }, /* FF. */ + { 2, 2, { M, M, M }, ULONG_MAX }, /* FF.F */ + { 3, 3, { M, M, M }, ULONG_MAX }, /* FFF. */ + +#if GMP_NUMB_BITS >= BITS_PER_ULONG + /* normal case, numb bigger than long */ + { 2, 1, { 1 }, 0L }, /* 1_. */ + { 2, 2, { 0, 1 }, 0L }, /* 10. */ + { 2, 2, { 999, 1 }, 999L }, /* 19. */ + { 3, 2, { 999, 1 }, 0L }, /* 19_. */ + +#else + /* nails case, numb smaller than long */ + { 2, 1, { 1 }, 1L << GMP_NUMB_BITS }, /* 1_. */ + { 3, 1, { 1 }, 0L }, /* 1__. */ + + { 2, 2, { 99, 1 }, 99L + (1L << GMP_NUMB_BITS) }, /* 19. */ + { 3, 2, { 1, 99 }, 1L << GMP_NUMB_BITS }, /* 91_. */ + { 3, 3, { 0, 1, 99 }, 1L << GMP_NUMB_BITS }, /* 910. */ + +#endif + }; + + mpf_t f; + unsigned long got; + int i; + mp_limb_t buf[20 + numberof(data[i].d)]; + + for (i = 0; i < numberof (data); i++) + { + refmpn_fill (buf, 10, CNST_LIMB(0xDEADBEEF)); + refmpn_copy (buf+10, data[i].d, ABS(data[i].size)); + refmpn_fill (buf+10+ABS(data[i].size), 10, CNST_LIMB(0xDEADBEEF)); + + PTR(f) = buf+10; + EXP(f) = data[i].exp; + SIZ(f) = data[i].size; + PREC(f) = numberof (data[i].d); + MPF_CHECK_FORMAT (f); + + got = mpf_get_ui (f); + if (got != data[i].want) + { + printf ("mpf_get_ui wrong at limb data[%d]\n", i); + mpf_trace (" f", f); + mpn_trace (" d", data[i].d, data[i].size); + printf (" size %ld\n", (long) data[i].size); + printf (" exp %ld\n", (long) data[i].exp); + printf (" got %lu (0x%lX)\n", got, got); + printf (" want %lu (0x%lX)\n", data[i].want, data[i].want); + abort(); + } + } +} + +int +main (void) +{ + tests_start (); + mp_trace_base = 16; + + check_limbdata (); + + tests_end (); + exit (0); +} -- cgit v1.2.3