/usr/include/gmsh/gmp_matrix.h is in libgmsh-dev 2.10.1+dfsg1-1ubuntu4.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 | /*
Header file for integer-oriented matrix, relying on the arbitrary
precision integers from the GNU gmp package.
Copyright (C) 28.10.2003 Saku Suuriniemi TUT/CEM
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
Saku Suuriniemi, TUT/Electromagetics
P.O.Box 692, FIN-33101 Tampere, Finland
saku.suuriniemi@tut.fi
$Id: gmp_matrix.h,v 1.3 2009-04-14 10:02:22 matti Exp $
*/
#ifndef __GMP_MATRIX_H__
#define __GMP_MATRIX_H__
#include "gmp_blas.h"
typedef struct
{
size_t rows;
size_t cols;
mpz_t * storage;
} gmp_matrix;
/* Sets the values of "elems" column by column. The user is
responsible for sufficient supply. */
gmp_matrix *
create_gmp_matrix(size_t rows, size_t cols,
mpz_t * elems);
gmp_matrix *
create_gmp_matrix_int(size_t rows, size_t cols,
const long int * elems);
gmp_matrix *
create_gmp_matrix_identity(size_t dim);
gmp_matrix *
create_gmp_matrix_zero(size_t rows, size_t cols);
/* Copies a block of a matrix to another matrix. No resizing (yet). */
gmp_matrix *
copy_gmp_matrix(const gmp_matrix * matrix,
const size_t start_row, const size_t start_col,
const size_t end_row, const size_t end_col);
int
destroy_gmp_matrix(gmp_matrix *);
size_t
gmp_matrix_rows(const gmp_matrix *);
size_t
gmp_matrix_cols(const gmp_matrix *);
/* elem <- (matrix(row, col)) */
int
gmp_matrix_get_elem(mpz_t elem, size_t row, size_t col,
const gmp_matrix *);
/* (matrix(row, col)) <- elem */
int
gmp_matrix_set_elem(mpz_t elem, size_t row, size_t col,
const gmp_matrix *);
int
gmp_matrix_swap_rows(size_t row1, size_t row2, gmp_matrix *);
int
gmp_matrix_swap_cols(size_t col1, size_t col2, gmp_matrix *);
int
gmp_matrix_negate_row(size_t row, gmp_matrix *);
int
gmp_matrix_negate_col(size_t col, gmp_matrix *);
/* row2 <- a*row1 + row2*/
int
gmp_matrix_add_row(mpz_t a, size_t row1, size_t row2,
gmp_matrix *);
int
gmp_matrix_add_col(mpz_t a, size_t col1, size_t col2,
gmp_matrix *);
/* row1 <- a*row1 + b*row2
row2 <- c*row1 + d*row2 */
int
gmp_matrix_row_rot(mpz_t a, mpz_t b, size_t row1,
mpz_t c, mpz_t d, size_t row2,
gmp_matrix *);
int
gmp_matrix_col_rot(mpz_t a, mpz_t b, size_t col1,
mpz_t c, mpz_t d, size_t col2,
gmp_matrix *);
/* 0 for no, 1 for yes */
int
gmp_matrix_is_diagonal(const gmp_matrix * M);
/* Finds a nonzero in a subcolumn M(r1:r2,c). */
/* Returns zero if no nonzeros found. */
size_t
gmp_matrix_col_inz (size_t r1, size_t r2, size_t c,
gmp_matrix * M);
/* Finds a nonzero in a subrow M(r,c1:c2). */
/* Returns zero if no nonzeros found. */
size_t
gmp_matrix_row_inz (size_t r, size_t c1, size_t c2,
gmp_matrix * M);
int
gmp_matrix_transp(gmp_matrix * M);
/* A <- A*B */
int
gmp_matrix_right_mult(gmp_matrix * A, const gmp_matrix * B);
/* B <- A*B */
int
gmp_matrix_left_mult(const gmp_matrix * A, gmp_matrix * B);
/* (TBD ?)Implement the BLAS style GEMM? Place it here at all? */
/* (T) (T) */
/* A <- B * C */
/* Give 1 if the transpose of the matrix is to be used, else 0 */
/* int */
/* gmp_matrix_mult(gmp_matrix * A, */
/* const gmp_matrix * B, int transpose_B, */
/* const gmp_matrix * C, int transpose_C); */
/*
Mainly for diagnostics ...
--------------------------
*/
int gmp_matrix_printf(const gmp_matrix *);
int gmp_matrix_fprintf(FILE*, const gmp_matrix *);
#endif
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