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/*
* Pure Data Packet module. LU decomposition module.
* Copyright (c) by Tom Schouten <tom@zwizwa.be>
*
* 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., 675 Mass Ave, Cambridge, MA 02139, USA.
*
*/
//#include <gsl/gsl_block.h>
//#include <gsl/gsl_vector.h>
//#include <gsl/gsl_matrix.h>
//#include <gsl/gsl_blas.h>
#include "pdp.h"
#include "pdp_base.h"
typedef struct pdp_mat_LU_struct
{
t_pdp_base x_base;
} t_pdp_mat_LU;
static void pdp_mat_LU_process_LU_inverse(t_pdp_mat_LU *x)
{
int p = pdp_base_get_packet(x, 0);
int p_LU = pdp_packet_matrix_LU_to_inverse(p);
pdp_base_set_packet(x, 0, p_LU); // replace packet
}
static void pdp_mat_LU_process_LU(t_pdp_mat_LU *x)
{
int p = pdp_base_get_packet(x, 0);
int p_LU = pdp_packet_matrix_LU(p);
pdp_base_set_packet(x, 0, p_LU); // replace packet
}
static void pdp_mat_LU_process_LU_solve(t_pdp_mat_LU *x)
{
int p0 = pdp_base_get_packet(x, 0);
int p1 = pdp_base_get_packet(x, 1);
int pvr, pm, pv;
/* determine which is vector and which is matrix */
if (pdp_packet_matrix_ismatrix(p0) && pdp_packet_matrix_isvector(p1)){
pm = p0;
pv = p1;
}
else {
pm = p1;
pv = p0;
}
/* create the result vector */
pvr = pdp_packet_matrix_LU_solve(pm, pv);
/* replace the active packet */
pdp_base_set_packet(x, 0, pvr);
}
static void pdp_mat_LU_free(t_pdp_mat_LU *x)
{
/* remove process method from queue before deleting data */
pdp_base_free(x);
}
t_class *pdp_mat_LU_class;
/* common new methods */
t_pdp_mat_LU *pdp_mat_LU_base_new(void)
{
t_pdp_mat_LU *x = (t_pdp_mat_LU *)pd_new(pdp_mat_LU_class);
pdp_base_init(x);
pdp_base_add_pdp_outlet(x);
return x;
}
void *pdp_mat_LU_inverse_new(void)
{
t_pdp_mat_LU *x = pdp_mat_LU_base_new();
pdp_base_set_process_method(x,(t_pdp_method)pdp_mat_LU_process_LU_inverse);
pdp_base_readonly_active_inlet(x);
return (void *)x;
}
void *pdp_mat_LU_new(void)
{
t_pdp_mat_LU *x = pdp_mat_LU_base_new();
pdp_base_set_process_method(x,(t_pdp_method)pdp_mat_LU_process_LU);
pdp_base_readonly_active_inlet(x);
return (void *)x;
}
void *pdp_mat_LU_solve_new(void)
{
t_pdp_mat_LU *x = pdp_mat_LU_base_new();
pdp_base_set_process_method(x,(t_pdp_method)pdp_mat_LU_process_LU_solve);
pdp_base_readonly_active_inlet(x);
pdp_base_add_pdp_inlet(x);
return (void *)x;
}
#ifdef __cplusplus
extern "C"
{
#endif
void pdp_mat_lu_setup(void)
{
pdp_mat_LU_class = class_new(gensym("pdp_m_LU_inverse"), (t_newmethod)pdp_mat_LU_inverse_new,
(t_method)pdp_mat_LU_free, sizeof(t_pdp_mat_LU), 0, A_NULL);
pdp_base_setup(pdp_mat_LU_class);
class_addcreator((t_newmethod)pdp_mat_LU_new, gensym("pdp_m_LU"), A_NULL);
class_addcreator((t_newmethod)pdp_mat_LU_solve_new, gensym("pdp_m_LU_solve"), A_NULL);
}
#ifdef __cplusplus
}
#endif
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