mirror of
https://github.com/vale981/arb
synced 2025-03-06 09:51:39 -05:00
130 lines
3.9 KiB
C
130 lines
3.9 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, 2013 Fredrik Johansson
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******************************************************************************/
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#include "fmprb.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("pow....");
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fflush(stdout);
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flint_randinit(state);
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/* check large arguments */
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for (iter = 0; iter < 20000; iter++)
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{
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fmprb_t a, b, c, d, e, f;
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long prec1, prec2;
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prec1 = 2 + n_randint(state, 1000);
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prec2 = prec1 + 30;
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fmprb_init(a);
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fmprb_init(b);
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fmprb_init(c);
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fmprb_init(d);
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fmprb_init(e);
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fmprb_init(f);
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fmprb_randtest(a, state, 1 + n_randint(state, 1000), 200);
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fmprb_randtest(b, state, 1 + n_randint(state, 1000), 200);
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fmprb_pow(c, a, b, prec1);
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fmprb_pow(d, a, b, prec2);
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if (!fmprb_overlaps(c, d))
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{
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printf("FAIL: overlap\n\n");
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printf("a = "); fmprb_print(a); printf("\n\n");
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printf("b = "); fmprb_print(b); printf("\n\n");
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printf("c = "); fmprb_print(c); printf("\n\n");
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printf("d = "); fmprb_print(d); printf("\n\n");
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abort();
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}
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fmprb_randtest(c, state, 1 + n_randint(state, 1000), 200);
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/* check a^(b+c) = a^b*a^c */
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fmprb_add(e, b, c, prec1);
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fmprb_pow(d, a, e, prec1);
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fmprb_pow(e, a, b, prec1);
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fmprb_pow(f, a, c, prec1);
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fmprb_mul(e, e, f, prec1);
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if (!fmprb_overlaps(d, e))
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{
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printf("FAIL: functional equation\n\n");
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printf("a = "); fmprb_print(a); printf("\n\n");
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printf("b = "); fmprb_print(b); printf("\n\n");
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printf("c = "); fmprb_print(c); printf("\n\n");
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printf("d = "); fmprb_print(d); printf("\n\n");
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printf("e = "); fmprb_print(e); printf("\n\n");
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abort();
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}
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fmprb_pow(c, a, b, prec1);
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fmprb_set(d, a);
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fmprb_pow(d, d, b, prec2);
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if (!fmprb_overlaps(c, d))
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{
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printf("FAIL: aliasing 1\n\n");
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printf("a = "); fmprb_print(a); printf("\n\n");
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printf("b = "); fmprb_print(b); printf("\n\n");
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printf("c = "); fmprb_print(c); printf("\n\n");
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printf("d = "); fmprb_print(d); printf("\n\n");
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abort();
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}
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fmprb_set(d, b);
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fmprb_pow(d, a, d, prec2);
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if (!fmprb_overlaps(c, d))
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{
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printf("FAIL: aliasing 2\n\n");
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printf("a = "); fmprb_print(a); printf("\n\n");
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printf("b = "); fmprb_print(b); printf("\n\n");
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printf("c = "); fmprb_print(c); printf("\n\n");
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printf("d = "); fmprb_print(d); printf("\n\n");
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abort();
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}
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fmprb_clear(a);
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fmprb_clear(b);
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fmprb_clear(c);
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fmprb_clear(d);
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fmprb_clear(e);
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fmprb_clear(f);
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}
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flint_randclear(state);
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flint_cleanup();
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printf("PASS\n");
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return EXIT_SUCCESS;
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}
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