143 lines
4.0 KiB
C
143 lines
4.0 KiB
C
/*=============================================================================
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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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int padic_mat_fprint(FILE * file, const padic_mat_t A, const padic_ctx_t ctx)
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{
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const slong r = padic_mat(A)->r;
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const slong c = padic_mat(A)->c;
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if (padic_mat_is_empty(A))
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{
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flint_fprintf(file, "%wd %wd\n", r, c);
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return 1;
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}
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if (ctx->mode == PADIC_TERSE)
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{
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slong i, j, v;
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fmpz_t s, t;
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fmpz_init(s);
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fmpz_init(t);
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flint_fprintf(file, "%wd %wd ", r, c);
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for (i = 0; i < r; i++)
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for (j = 0; j < c; j++)
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{
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flint_fprintf(file, " ");
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if (fmpz_is_zero(padic_mat_entry(A, i, j)))
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{
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flint_fprintf(file, "0");
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}
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else
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{
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v = A->val
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+ fmpz_remove(t, padic_mat_entry(A, i, j), ctx->p);
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if (v == 0)
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{
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fmpz_fprint(file, t);
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}
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else if (v > 0)
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{
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fmpz_pow_ui(s, ctx->p, v);
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fmpz_mul(t, s, t);
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fmpz_fprint(file, t);
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}
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else /* v < 0 */
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{
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fmpz_pow_ui(s, ctx->p, -v);
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_fmpq_fprint(file, t, s);
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}
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}
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}
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fmpz_clear(s);
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fmpz_clear(t);
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}
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else if (ctx->mode == PADIC_SERIES)
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{
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flint_printf("ERROR (_padic_mat_fprint). Mode PADIC_SERIES not implemented yet.\n");
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abort();
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}
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else if (ctx->mode == PADIC_VAL_UNIT)
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{
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slong i, j, v;
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fmpz_t t;
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fmpz_init(t);
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flint_fprintf(file, "%wd %wd ", r, c);
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for (i = 0; i < r; i++)
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for (j = 0; j < c; j++)
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{
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flint_fprintf(file, " ");
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if (fmpz_is_zero(padic_mat_entry(A, i, j)))
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{
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flint_fprintf(file, "0");
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}
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else
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{
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v = A->val
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+ fmpz_remove(t, padic_mat_entry(A, i, j), ctx->p);
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if (v == 0)
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{
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fmpz_fprint(file, t);
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}
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else if (v == 1)
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{
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fmpz_fprint(file, ctx->p);
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flint_fprintf(file, "*");
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fmpz_fprint(file, t);
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}
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else
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{
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fmpz_fprint(file, ctx->p);
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flint_fprintf(file, "^%wd*", v);
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fmpz_fprint(file, t);
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}
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}
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}
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fmpz_clear(t);
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}
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else
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{
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flint_printf("ERROR (_padic_mat_fprint). Unknown print mode.\n");
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abort();
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}
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return 1;
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}
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