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https://github.com/vale981/arb
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68 lines
2.1 KiB
C
68 lines
2.1 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 "acb_poly.h"
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void
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acb_poly_set_arb_poly(acb_poly_t poly, const arb_poly_t re)
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{
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long i, len;
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len = arb_poly_length(re);
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acb_poly_fit_length(poly, len);
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for (i = 0; i < len; i++)
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{
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arb_set(acb_realref(poly->coeffs + i), re->coeffs + i);
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arb_zero(acb_imagref(poly->coeffs + i));
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}
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_acb_poly_set_length(poly, len);
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}
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void
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acb_poly_set2_arb_poly(acb_poly_t poly, const arb_poly_t re, const arb_poly_t im)
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{
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long i, rlen, ilen, len;
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rlen = arb_poly_length(re);
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ilen = arb_poly_length(im);
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len = FLINT_MAX(rlen, ilen);
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acb_poly_fit_length(poly, len);
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for (i = 0; i < rlen; i++)
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arb_set(acb_realref(poly->coeffs + i), re->coeffs + i);
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for (i = rlen; i < len; i++)
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arb_zero(acb_realref(poly->coeffs + i));
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for (i = 0; i < ilen; i++)
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arb_set(acb_imagref(poly->coeffs + i), im->coeffs + i);
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for (i = ilen; i < len; i++)
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arb_zero(acb_imagref(poly->coeffs + i));
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_acb_poly_set_length(poly, len);
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}
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