/usr/include/igraph/matrix.h is in libigraph0-dev 0.5.4-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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/*
IGraph library.
Copyright (C) 2007 Gabor Csardi <csardi@rmki.kfki.hu>
MTA RMKI, Konkoly-Thege Miklos st. 29-33, Budapest 1121, Hungary
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
(at your option) 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 Street, Fifth Floor, Boston, MA
02110-1301 USA
*/
typedef struct TYPE(igraph_matrix) {
TYPE(igraph_vector) data;
long int nrow, ncol;
} TYPE(igraph_matrix);
/*---------------*/
/* Allocation */
/*---------------*/
int FUNCTION(igraph_matrix,init)(TYPE(igraph_matrix) *m,
long int nrow, long int ncol);
int FUNCTION(igraph_matrix,copy)(TYPE(igraph_matrix) *to,
const TYPE(igraph_matrix) *from);
void FUNCTION(igraph_matrix,destroy)(TYPE(igraph_matrix) *m);
/*--------------------*/
/* Accessing elements */
/*--------------------*/
/* MATRIX */
BASE FUNCTION(igraph_matrix,e)(const TYPE(igraph_matrix) *m,
long int row, long int col);
BASE* FUNCTION(igraph_matrix,e_ptr)(const TYPE(igraph_matrix) *m,
long int row, long int col);
void FUNCTION(igraph_matrix,set)(TYPE(igraph_matrix)* m, long int row, long int col,
BASE value);
/*------------------------------*/
/* Initializing matrix elements */
/*------------------------------*/
void FUNCTION(igraph_matrix,null)(TYPE(igraph_matrix) *m);
void FUNCTION(igraph_matrix,fill)(TYPE(igraph_matrix) *m, BASE e);
/*------------------*/
/* Copying matrices */
/*------------------*/
void FUNCTION(igraph_matrix,copy_to)(const TYPE(igraph_matrix) *m, BASE *to);
int FUNCTION(igraph_matrix,update)(TYPE(igraph_matrix) *to,
const TYPE(igraph_matrix) *from);
int FUNCTION(igraph_matrix,rbind)(TYPE(igraph_matrix) *to,
const TYPE(igraph_matrix) *from);
int FUNCTION(igraph_matrix,cbind)(TYPE(igraph_matrix) *to,
const TYPE(igraph_matrix) *from);
int FUNCTION(igraph_matrix,swap)(TYPE(igraph_matrix) *m1, TYPE(igraph_matrix) *m2);
/*--------------------------*/
/* Copying rows and columns */
/*--------------------------*/
int FUNCTION(igraph_matrix,get_row)(const TYPE(igraph_matrix) *m,
TYPE(igraph_vector) *res, long int index);
int FUNCTION(igraph_matrix,get_col)(const TYPE(igraph_matrix) *m,
TYPE(igraph_vector) *res, long int index);
int FUNCTION(igraph_matrix,set_row)(TYPE(igraph_matrix) *m,
const TYPE(igraph_vector) *v, long int index);
int FUNCTION(igraph_matrix,set_col)(TYPE(igraph_matrix) *m,
const TYPE(igraph_vector) *v, long int index);
int FUNCTION(igraph_matrix,select_rows)(const TYPE(igraph_matrix) *m,
TYPE(igraph_matrix) *res,
const igraph_vector_t *rows);
int FUNCTION(igraph_matrix,select_cols)(const TYPE(igraph_matrix) *m,
TYPE(igraph_matrix) *res,
const igraph_vector_t *cols);
/*-----------------------------*/
/* Exchanging rows and columns */
/*-----------------------------*/
int FUNCTION(igraph_matrix,swap_rows)(TYPE(igraph_matrix) *m,
long int i, long int j);
int FUNCTION(igraph_matrix,swap_cols)(TYPE(igraph_matrix) *m,
long int i, long int j);
int FUNCTION(igraph_matrix,swap_rowcol)(TYPE(igraph_matrix) *m,
long int i, long int j);
int FUNCTION(igraph_matrix,transpose)(TYPE(igraph_matrix) *m);
/*-----------------------------*/
/* Matrix operations */
/*-----------------------------*/
int FUNCTION(igraph_matrix,add)(TYPE(igraph_matrix) *m1,
const TYPE(igraph_matrix) *m2);
int FUNCTION(igraph_matrix,sub)(TYPE(igraph_matrix) *m1,
const TYPE(igraph_matrix) *m2);
int FUNCTION(igraph_matrix,mul_elements)(TYPE(igraph_matrix) *m1,
const TYPE(igraph_matrix) *m2);
int FUNCTION(igraph_matrix,div_elements)(TYPE(igraph_matrix) *m1,
const TYPE(igraph_matrix) *m2);
void FUNCTION(igraph_matrix,scale)(TYPE(igraph_matrix) *m, BASE by);
void FUNCTION(igraph_matrix,add_constant)(TYPE(igraph_matrix) *m, BASE plus);
/*-----------------------------*/
/* Finding minimum and maximum */
/*-----------------------------*/
igraph_real_t FUNCTION(igraph_matrix,min)(const TYPE(igraph_matrix) *m);
igraph_real_t FUNCTION(igraph_matrix,max)(const TYPE(igraph_matrix) *m);
int FUNCTION(igraph_matrix,which_min)(const TYPE(igraph_matrix) *m,
long int *i, long int *j);
int FUNCTION(igraph_matrix,which_max)(const TYPE(igraph_matrix) *m,
long int *i, long int *j);
int FUNCTION(igraph_matrix,minmax)(const TYPE(igraph_matrix) *m,
BASE *min, BASE *max);
int FUNCTION(igraph_matrix,which_minmax)(const TYPE(igraph_matrix) *m,
long int *imin, long int *jmin,
long int *imax, long int *jmax);
/*-------------------*/
/* Matrix properties */
/*-------------------*/
igraph_bool_t FUNCTION(igraph_matrix,isnull)(const TYPE(igraph_matrix) *m);
igraph_bool_t FUNCTION(igraph_matrix,empty)(const TYPE(igraph_matrix) *m);
long int FUNCTION(igraph_matrix,size)(const TYPE(igraph_matrix) *m);
long int FUNCTION(igraph_matrix,nrow)(const TYPE(igraph_matrix) *m);
long int FUNCTION(igraph_matrix,ncol)(const TYPE(igraph_matrix) *m);
igraph_bool_t FUNCTION(igraph_matrix,is_symmetric)(const TYPE(igraph_matrix) *m);
igraph_real_t FUNCTION(igraph_matrix,sum)(const TYPE(igraph_matrix) *m);
igraph_real_t FUNCTION(igraph_matrix,prod)(const TYPE(igraph_matrix) *m);
int FUNCTION(igraph_matrix,rowsum)(const TYPE(igraph_matrix) *m,
igraph_vector_t *res);
int FUNCTION(igraph_matrix,colsum)(const TYPE(igraph_matrix) *m,
igraph_vector_t *res);
igraph_bool_t FUNCTION(igraph_matrix,is_equal)(const TYPE(igraph_matrix) *m1,
const TYPE(igraph_matrix) *m2);
BASE FUNCTION(igraph_matrix,maxdifference)(const TYPE(igraph_matrix) *m1,
const TYPE(igraph_matrix) *m2);
/*------------------------*/
/* Searching for elements */
/*------------------------*/
igraph_bool_t FUNCTION(igraph_matrix,contains)(const TYPE(igraph_matrix) *m,
BASE e);
igraph_bool_t FUNCTION(igraph_matrix,search)(const TYPE(igraph_matrix) *m,
long int from, BASE what,
long int *pos,
long int *row, long int *col);
/*------------------------*/
/* Resizing operations */
/*------------------------*/
int FUNCTION(igraph_matrix,resize)(TYPE(igraph_matrix) *m,
long int nrow, long int ncol);
int FUNCTION(igraph_matrix,add_cols)(TYPE(igraph_matrix) *m, long int n);
int FUNCTION(igraph_matrix,add_rows)(TYPE(igraph_matrix) *m, long int n);
int FUNCTION(igraph_matrix,remove_col)(TYPE(igraph_matrix) *m, long int col);
int FUNCTION(igraph_matrix,remove_row)(TYPE(igraph_matrix) *m, long int row);
/* ----------------------------------------------------------------------------*/
/* For internal use only, may be removed, rewritten ... */
/* ----------------------------------------------------------------------------*/
int FUNCTION(igraph_matrix,permdelete_rows)(TYPE(igraph_matrix) *m,
long int *index, long int nremove);
int FUNCTION(igraph_matrix,delete_rows_neg)(TYPE(igraph_matrix) *m,
const igraph_vector_t *neg,
long int nremove);
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