65 lines
1.9 KiB
C
65 lines
1.9 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) 2011 Sebastian Pancratz
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******************************************************************************/
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#include "fmpz_mat.h"
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#include "padic_mat.h"
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void _padic_mat_scalar_mul_fmpz(padic_mat_t B,
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const padic_mat_t A, const fmpz_t c,
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const padic_ctx_t ctx)
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{
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if (padic_mat_is_empty(B))
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{
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return;
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}
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if (fmpz_is_zero(c) || padic_mat_is_zero(A))
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{
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padic_mat_zero(B);
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}
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else
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{
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fmpz_t d;
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slong v;
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fmpz_init(d);
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v = fmpz_remove(d, c, ctx->p);
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fmpz_mat_scalar_mul_fmpz(padic_mat(B), padic_mat(A), d);
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padic_mat_val(B) = padic_mat_val(A) + v;
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fmpz_clear(d);
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}
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}
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void padic_mat_scalar_mul_fmpz(padic_mat_t B,
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const padic_mat_t A, const fmpz_t c,
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const padic_ctx_t ctx)
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{
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_padic_mat_scalar_mul_fmpz(B, A, c, ctx);
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_padic_mat_reduce(B, ctx);
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}
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