mirror of
https://github.com/vale981/arb
synced 2025-03-06 09:51:39 -05:00
112 lines
2.9 KiB
C
112 lines
2.9 KiB
C
/*
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Copyright (C) 2009 William Hart
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Copyright (C) 2013 Fredrik Johansson
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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 it under
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the terms of the GNU Lesser General Public License (LGPL) as published
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by the Free Software Foundation; either version 2.1 of the License, or
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(at your option) any later version. See <http://www.gnu.org/licenses/>.
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*/
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#include "arb_poly.h"
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int
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main(void)
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{
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int i, result;
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flint_rand_t state;
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flint_printf("shift_left/right....");
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fflush(stdout);
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flint_randinit(state);
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/* Check aliasing of a and b for left shift */
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for (i = 0; i < 1000; i++)
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{
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arb_poly_t a, b;
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slong shift = n_randint(state, 100);
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arb_poly_init(a);
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arb_poly_init(b);
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arb_poly_randtest(a, state, n_randint(state, 100), 2 + n_randint(state, 200), 10);
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arb_poly_shift_left(b, a, shift);
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arb_poly_shift_left(a, a, shift);
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result = (arb_poly_equal(a, b));
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if (!result)
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{
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flint_printf("FAIL:\n");
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arb_poly_printd(a, 10), flint_printf("\n\n");
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arb_poly_printd(b, 10), flint_printf("\n\n");
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abort();
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}
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arb_poly_clear(a);
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arb_poly_clear(b);
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}
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/* Check aliasing of a and b for right shift */
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for (i = 0; i < 1000; i++)
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{
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arb_poly_t a, b;
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slong shift = n_randint(state, 100);
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arb_poly_init(a);
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arb_poly_init(b);
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arb_poly_randtest(a, state, n_randint(state, 100), 2 + n_randint(state, 200), 10);
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arb_poly_shift_right(b, a, shift);
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arb_poly_shift_right(a, a, shift);
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result = (arb_poly_equal(a, b));
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if (!result)
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{
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flint_printf("FAIL:\n");
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arb_poly_printd(a, 10), flint_printf("\n\n");
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arb_poly_printd(b, 10), flint_printf("\n\n");
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abort();
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}
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arb_poly_clear(a);
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arb_poly_clear(b);
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}
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/* Check shift left then right does nothing */
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for (i = 0; i < 1000; i++)
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{
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arb_poly_t a, b, c;
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slong shift = n_randint(state, 100);
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arb_poly_init(a);
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arb_poly_init(b);
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arb_poly_init(c);
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arb_poly_randtest(a, state, n_randint(state, 100), 2 + n_randint(state, 200), 10);
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arb_poly_shift_left(b, a, shift);
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arb_poly_shift_right(c, b, shift);
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result = (arb_poly_equal(c, a));
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if (!result)
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{
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flint_printf("FAIL:\n");
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arb_poly_printd(a, 10), flint_printf("\n\n");
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arb_poly_printd(b, 10), flint_printf("\n\n");
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arb_poly_printd(c, 10), flint_printf("\n\n");
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abort();
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}
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arb_poly_clear(a);
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arb_poly_clear(b);
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arb_poly_clear(c);
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}
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flint_randclear(state);
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flint_cleanup();
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flint_printf("PASS\n");
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return 0;
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}
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