mirror of
https://github.com/vale981/arb
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54 lines
1.4 KiB
C
54 lines
1.4 KiB
C
/*
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Copyright (C) 2012 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 "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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slong 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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slong 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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