diff options
Diffstat (limited to 'vendor/gmp-6.3.0/tests/mpq/t-equal.c')
-rw-r--r-- | vendor/gmp-6.3.0/tests/mpq/t-equal.c | 146 |
1 files changed, 146 insertions, 0 deletions
diff --git a/vendor/gmp-6.3.0/tests/mpq/t-equal.c b/vendor/gmp-6.3.0/tests/mpq/t-equal.c new file mode 100644 index 0000000..671c530 --- /dev/null +++ b/vendor/gmp-6.3.0/tests/mpq/t-equal.c @@ -0,0 +1,146 @@ +/* Test mpq_equal. + +Copyright 2001 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 <stdio.h> +#include <stdlib.h> +#include "gmp-impl.h" +#include "tests.h" + + +void +check_one (mpq_srcptr x, mpq_srcptr y, int want) +{ + int got; + + MPQ_CHECK_FORMAT (x); + MPQ_CHECK_FORMAT (y); + + got = mpq_equal (x, y); + if ((got != 0) != (want != 0)) + { + printf ("mpq_equal got %d want %d\n", got, want); + mpq_trace ("x", x); + mpq_trace ("y", y); + abort (); + } +} + + +void +check_all (mpq_ptr x, mpq_ptr y, int want) +{ + check_one (x, y, want); + check_one (y, x, want); + + mpq_neg (x, x); + mpq_neg (y, y); + + check_one (x, y, want); + check_one (y, x, want); +} + + +#define SET4Z(z, size,l3,l2,l1,l0) \ + SIZ(z) = size; PTR(z)[3] = l3; PTR(z)[2] = l2; PTR(z)[1] = l1; PTR(z)[0] = l0 + +#define SET4(q, nsize,n3,n2,n1,n0, dsize,d3,d2,d1,d0) \ + SET4Z (mpq_numref(q), nsize,n3,n2,n1,n0); \ + SET4Z (mpq_denref(q), dsize,d3,d2,d1,d0) + + +/* Exercise various combinations of same and slightly different values. */ + +void +check_various (void) +{ + mpq_t x, y; + + mpq_init (x); + mpq_init (y); + + mpz_realloc (mpq_numref(x), (mp_size_t) 20); + mpz_realloc (mpq_denref(x), (mp_size_t) 20); + mpz_realloc (mpq_numref(y), (mp_size_t) 20); + mpz_realloc (mpq_denref(y), (mp_size_t) 20); + + /* 0 == 0 */ + SET4 (x, 0,13,12,11,10, 1,23,22,21,1); + SET4 (y, 0,33,32,31,30, 1,43,42,41,1); + check_all (x, y, 1); + + /* 83/99 == 83/99 */ + SET4 (x, 1,13,12,11,83, 1,23,22,21,99); + SET4 (y, 1,33,32,31,83, 1,43,42,41,99); + check_all (x, y, 1); + + /* 1:2:3:4/5:6:7 == 1:2:3:4/5:6:7 */ + SET4 (x, 4,1,2,3,4, 3,88,5,6,7); + SET4 (y, 4,1,2,3,4, 3,99,5,6,7); + check_all (x, y, 1); + + /* various individual changes making != */ + SET4 (x, 4,1,2,3,667, 3,88,5,6,7); + SET4 (y, 4,1,2,3,4, 3,99,5,6,7); + check_all (x, y, 0); + SET4 (x, 4,1,2,666,4, 3,88,5,6,7); + SET4 (y, 4,1,2,3,4, 3,99,5,6,7); + check_all (x, y, 0); + SET4 (x, 4,1,666,3,4, 3,88,5,6,7); + SET4 (y, 4,1,2,3,4, 3,99,5,6,7); + check_all (x, y, 0); +#if GMP_NUMB_BITS != 62 + SET4 (x, 4,667,2,3,4, 3,88,5,6,7); + SET4 (y, 4,1,2,3,4, 3,99,5,6,7); + check_all (x, y, 0); +#endif + SET4 (x, 4,1,2,3,4, 3,88,5,6,667); + SET4 (y, 4,1,2,3,4, 3,99,5,6,7); + check_all (x, y, 0); + SET4 (x, 4,1,2,3,4, 3,88,5,667,7); + SET4 (y, 4,1,2,3,4, 3,99,5,6,7); + check_all (x, y, 0); + SET4 (x, 4,1,2,3,4, 3,88,666,6,7); + SET4 (y, 4,1,2,3,4, 3,99,5,6,7); + check_all (x, y, 0); + SET4 (x, -4,1,2,3,4, 3,88,5,6,7); + SET4 (y, 4,1,2,3,4, 3,99,5,6,7); + check_all (x, y, 0); + SET4 (x, 1,1,2,3,4, 3,88,5,6,7); + SET4 (y, 4,1,2,3,4, 3,99,5,6,7); + check_all (x, y, 0); + SET4 (x, 4,1,2,3,4, 3,88,5,6,7); + SET4 (y, 4,1,2,3,4, 2,99,5,6,7); + check_all (x, y, 0); + + mpq_clear (x); + mpq_clear (y); +} + + +int +main (void) +{ + tests_start (); + mp_trace_base = -16; + + check_various (); + + tests_end (); + exit (0); +} |