49 lines
1.5 KiB
C
49 lines
1.5 KiB
C
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/*=============================================================================
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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) 2010 William Hart
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******************************************************************************/
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#include <stdlib.h>
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#include <gmp.h>
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#include <mpfr.h>
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#include "flint.h"
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#include "mpfr_vec.h"
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void
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_mpfr_vec_scalar_product(mpfr_t res, const mpfr * vec1,
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const mpfr * vec2, slong length)
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{
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slong i;
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mpfr_t tmp;
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mpfr_init(tmp);
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mpfr_mul(res, vec1, vec2, GMP_RNDN);
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for (i = 1; i < length; i++)
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{
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mpfr_mul(tmp, vec1 + i, vec2 + i, GMP_RNDN);
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mpfr_add(res, res, tmp, GMP_RNDN);
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}
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mpfr_clear(tmp);
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}
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