mirror of
https://github.com/vale981/arb
synced 2025-03-05 17:31:38 -05:00
103 lines
2.8 KiB
C
103 lines
2.8 KiB
C
/*=============================================================================
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This file is part of ARB.
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ARB is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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ARB is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with ARB; if not, write to the Free Software
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Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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=============================================================================*/
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/******************************************************************************
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Copyright (C) 2012 Fredrik Johansson
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******************************************************************************/
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#include "fmpr.h"
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int main()
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{
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long iter;
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flint_rand_t state;
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printf("log....");
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fflush(stdout);
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flint_randinit(state);
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for (iter = 0; iter < 100000; iter++)
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{
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long bits;
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fmpr_t x, z, w;
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mpfr_t X, Z;
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bits = 2 + n_randint(state, 200);
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fmpr_init(x);
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fmpr_init(z);
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fmpr_init(w);
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mpfr_init2(X, bits + 100);
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mpfr_init2(Z, bits);
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fmpr_randtest_special(x, state, bits + n_randint(state, 100), 10);
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fmpr_randtest_special(z, state, bits + n_randint(state, 100), 10);
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fmpr_get_mpfr(X, x, MPFR_RNDN);
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switch (n_randint(state, 4))
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{
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case 0:
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mpfr_log(Z, X, MPFR_RNDZ);
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fmpr_log(z, x, bits, FMPR_RND_DOWN);
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break;
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case 1:
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mpfr_log(Z, X, MPFR_RNDA);
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fmpr_log(z, x, bits, FMPR_RND_UP);
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break;
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case 2:
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mpfr_log(Z, X, MPFR_RNDD);
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fmpr_log(z, x, bits, FMPR_RND_FLOOR);
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break;
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case 3:
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mpfr_log(Z, X, MPFR_RNDU);
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fmpr_log(z, x, bits, FMPR_RND_CEIL);
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break;
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}
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fmpr_set_mpfr(w, Z);
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if (!fmpr_equal(z, w))
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{
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printf("FAIL\n\n");
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printf("bits = %ld\n", bits);
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printf("x = "); fmpr_print(x); printf("\n\n");
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printf("z = "); fmpr_print(z); printf("\n\n");
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printf("w = "); fmpr_print(w); printf("\n\n");
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abort();
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}
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fmpr_clear(x);
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fmpr_clear(z);
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fmpr_clear(w);
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mpfr_clear(X);
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mpfr_clear(Z);
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}
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flint_randclear(state);
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_fmpz_cleanup();
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printf("PASS\n");
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return EXIT_SUCCESS;
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}
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