56 lines
1.7 KiB
C
56 lines
1.7 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, 2012 Sebastian Pancratz
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******************************************************************************/
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#include "padic.h"
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void padic_div(padic_t rop, const padic_t op1, const padic_t op2,
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const padic_ctx_t ctx)
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{
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if (padic_is_zero(op2))
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{
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flint_printf("Exception (padic_div). op2 is zero.\n");
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abort();
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}
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if (padic_is_zero(op1) || padic_val(op1) - padic_val(op2) >= padic_prec(rop))
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{
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padic_zero(rop);
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}
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else
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{
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padic_t inv;
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padic_init(inv);
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_padic_inv(padic_unit(inv), padic_unit(op2), ctx->p,
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padic_prec(rop) - padic_val(op1) + padic_val(op2));
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padic_val(inv) = - padic_val(op2);
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padic_mul(rop, op1, inv, ctx);
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padic_clear(inv);
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}
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}
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