94 lines
2.9 KiB
C
94 lines
2.9 KiB
C
/*=============================================================================
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This file is part of FLINT.
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FLINT 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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FLINT 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 FLINT; 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) 2009 William Hart
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Copyright (C) 2011 Sebastian Pancratz
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Copyright (C) 2013 Mike Hansen
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******************************************************************************/
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#ifdef T
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#include "templates.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_TEST_INIT(state);
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flint_printf("inv_series_newton....");
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fflush(stdout);
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/* Check Q^{-1} * Q is congruent 1 mod t^n */
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for (i = 0; i < 1000; i++)
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{
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TEMPLATE(T, ctx_t) ctx;
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TEMPLATE(T, poly_t) a, b, c, one;
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slong n = n_randint(state, 80) + 1;
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TEMPLATE(T, ctx_randtest) (ctx, state);
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TEMPLATE(T, poly_init) (a, ctx);
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TEMPLATE(T, poly_init) (b, ctx);
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TEMPLATE(T, poly_init) (c, ctx);
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TEMPLATE(T, poly_init) (one, ctx);
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TEMPLATE(T, poly_randtest_not_zero) (a, state,
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n_randint(state, 80) + 1, ctx);
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TEMPLATE(T, randtest_not_zero) (a->coeffs, state, ctx);
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TEMPLATE(T, poly_one) (one, ctx);
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TEMPLATE(T, poly_inv_series_newton) (b, a, n, ctx);
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TEMPLATE(T, poly_mullow) (c, a, b, n, ctx);
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result = (TEMPLATE(T, poly_equal) (c, one, ctx));
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if (!result)
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{
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flint_printf("FAIL:\n");
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flint_printf("a = "), TEMPLATE(T, poly_print) (a, ctx),
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flint_printf("\n\n");
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flint_printf("b = "), TEMPLATE(T, poly_print) (b, ctx),
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flint_printf("\n\n");
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flint_printf("c = "), TEMPLATE(T, poly_print) (c, ctx),
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flint_printf("\n\n");
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flint_printf("ctx = "), TEMPLATE(T, ctx_print) (ctx),
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flint_printf("\n\n");
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abort();
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}
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TEMPLATE(T, poly_clear) (a, ctx);
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TEMPLATE(T, poly_clear) (b, ctx);
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TEMPLATE(T, poly_clear) (c, ctx);
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TEMPLATE(T, poly_clear) (one, ctx);
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TEMPLATE(T, ctx_clear) (ctx);
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}
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FLINT_TEST_CLEANUP(state);
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flint_printf("PASS\n");
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return 0;
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}
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#endif
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