aboutsummaryrefslogtreecommitdiff
path: root/src/z_mtx.c
diff options
context:
space:
mode:
Diffstat (limited to 'src/z_mtx.c')
-rw-r--r--src/z_mtx.c670
1 files changed, 0 insertions, 670 deletions
diff --git a/src/z_mtx.c b/src/z_mtx.c
deleted file mode 100644
index 0f5edc6..0000000
--- a/src/z_mtx.c
+++ /dev/null
@@ -1,670 +0,0 @@
-/* 1605:forum::für::umläute:2001 */
-
-/* objects for manipulating matrices */
-/* mostly i refer to matlab/octave matrix functions */
-
-/*
- matrix : basic object : create and store matrices
- mtx : alias for matrix
-
- mtx_resize
- mtx_row
- mtx_col
- mtx_element
-
- mtx_ones
- mtx_zeros
- mtx_eye
- mtx_egg
-
- mtx_diag
- mtx_diegg
- mtx_trace
-
- mtx_mean
- mtx_rand
-
- mtx_transpose
- mtx_scroll
- mtx_roll
-
- mtx_add
- mtx_+
- mtx_mul
- mtx_*
- mtx_.*
- mtx_./
-
- mtx_inverse
- mtx_pivot
-
- mtx_size
-
- mtx_check
- mtx_print
-*/
-
-#include "zexy.h"
-#include <math.h>
-
-#ifdef NT
-#include <memory.h>
-#include <string.h>
-#define fabsf fabs
-#pragma warning( disable : 4244 )
-#pragma warning( disable : 4305 )
-#endif
-
-#define VALID_MTX 12450
-
-typedef struct _matrix
-{
- int row;
- int col;
-
- int valid;
-
- t_float *buffer;
-
-} t_matrix;
-
-/* intern utility functions */
-static void MTX_setdimen(t_matrix *x, int row, int col)
-{
- x->col = col;
- x->row = row;
-}
-
-static void MTX_adjustsize(t_matrix *m, int desiredRow, int desiredCol)
-{
- int col=m->col, row=m->row;
-
- if (desiredRow<1){
- post("cannot make less than 1 rows");
- desiredRow=1;
- }
- if (desiredCol<1){
- post("cannot make less than 1 columns");
- desiredCol=1;
- }
-
- if (col*row!=desiredRow*desiredCol){
- if(m->buffer)freebytes(m->buffer, (col*row)*sizeof(t_float));
- m->buffer=(t_float *)getbytes((desiredCol*desiredRow)*sizeof(t_float));
- }
-
- MTX_setdimen(m, desiredRow, desiredCol);
- return;
-}
-
-static void MTX_debugmtx(t_matrix *m, int id)
-{
- int i=m->col;
- t_float *buf = m->buffer;
- while(i--){
- int j=m->row;
- startpost("debug%d: ", id);
- while(j--)
- startpost("%f ", *buf++);
- endpost();
- }
-}
-
-static void MTX_freematrix(t_matrix *x)
-{
- freebytes(x->buffer, x->row*x->col*sizeof(t_float));
- x->row = x->col = x->valid = 0;
-}
-
-static void outlet_matrix(t_outlet *x, t_matrix *m)
-{
- t_gpointer *gp=(t_gpointer *)m;
- outlet_pointer(x, gp);
-}
-static t_matrix *get_inmatrix(t_gpointer *gp)
-{
- t_matrix *m = (t_matrix *)gp;
- if (m->valid != VALID_MTX){
- error("matrix: no valid matrix passed !");
- return 0;
- }
- if ((m->col <= 0) || (m->row <= 0)){
- error("matrix: strange dimensions");
- return 0;
- }
- return m;
-}
-static void MTX_set(t_matrix *m, t_float f)
-{
- t_float *buf=m->buffer;
- int size = m->col*m->row;
- if(buf)while(size--)*buf++=f;
-}
-
-/* -------------------- matrix ------------------------------ */
-
-static t_class *matrix_class;
-
-typedef struct _mtx
-{
- t_object x_obj;
-
- t_matrix *m;
-
- int current_row, current_col; /* this makes things easy for the mtx_row & mtx_col...*/
-
- t_canvas *x_canvas; /* and for reading / writing */
-} t_mtx;
-
-/* core functions */
-
-static void matrix_bang(t_mtx *x)
-{ /* output the matrix */
- post("matrix %dx%d @ %x", x->m->row, x->m->col, x->m->buffer);
- outlet_matrix(x->x_obj.ob_outlet, x->m);
-}
-static void matrix_matrix2(t_mtx *x, t_gpointer *gp)
-{
- t_matrix *m = get_inmatrix(gp);
- if(!m)return;
-
- if (x->m->row*x->m->col != m->row*m->col) {
- freebytes(x->m->buffer, x->m->row*x->m->col*sizeof(t_float));
- x->m->buffer = copybytes(m->buffer, m->row*m->col*sizeof(t_float));
- } else memcpy(x->m->buffer, m->buffer, m->row*m->col*sizeof(t_float));
-
- MTX_setdimen(x->m, m->row, m->col);
-}
-static void matrix_matrix(t_mtx *x, t_gpointer *gp)
-{
- t_matrix *m = get_inmatrix(gp);
- if(!m)return;
-
- matrix_matrix2(x, gp);
- outlet_matrix(x->x_obj.ob_outlet, x->m);
-}
-
-
-/* basic functions */
-
-static void matrix_zeros(t_mtx *x, t_symbol *s, int argc, t_atom *argv)
-{
- int col, row;
- switch(argc) {
- case 0: /* zero out the actual matrix */
- break;
- case 1:
- row=atom_getfloat(argv);
- MTX_adjustsize(x->m, row, row);
- break;
- default:
- row=atom_getfloat(argv++);
- col=atom_getfloat(argv);
- MTX_adjustsize(x->m, row, col);
- }
- MTX_set(x->m, 0);
- outlet_matrix(x->x_obj.ob_outlet, x->m);
-}
-static void matrix_ones(t_mtx *x, t_symbol *s, int argc, t_atom *argv)
-{
- int col, row;
- switch(argc) {
- case 0: /* zero out the actual matrix */
- break;
- case 1:
- row=atom_getfloat(argv);
- MTX_adjustsize(x->m, row, row);
- break;
- default:
- row=atom_getfloat(argv++);
- col=atom_getfloat(argv);
- MTX_adjustsize(x->m, row, col);
- }
- MTX_set(x->m, 1);
- outlet_matrix(x->x_obj.ob_outlet, x->m);
-}
-static void matrix_eye(t_mtx *x, t_symbol *s, int argc, t_atom *argv)
-{
- int col, row, n;
- switch(argc) {
- case 0: /* zero out the actual matrix */
- break;
- case 1:
- row=atom_getfloat(argv);
- MTX_adjustsize(x->m, row, row);
- break;
- default:
- row=atom_getfloat(argv++);
- col=atom_getfloat(argv);
- MTX_adjustsize(x->m, row, col);
- }
- MTX_set(x->m, 0);
-
- col=x->m->col;
- row=x->m->row;
- n = (col<row)?col:row;
- while(n--)x->m->buffer[n*(1+col)]=1;
- outlet_matrix(x->x_obj.ob_outlet, x->m);
-}
-static void matrix_egg(t_mtx *x, t_symbol *s, int argc, t_atom *argv)
-{
- int col, row, n;
- switch(argc) {
- case 0: /* zero out the actual matrix */
- break;
- case 1:
- row=atom_getfloat(argv);
- MTX_adjustsize(x->m, row, row);
- break;
- default:
- row=atom_getfloat(argv++);
- col=atom_getfloat(argv);
- MTX_adjustsize(x->m, row, col);
- }
- MTX_set(x->m, 0);
-
- col=x->m->col;
- row=x->m->row;
- n = (col<row)?col:row;
- while(n--)x->m->buffer[(n+1)*(col-1)]=1;
- outlet_matrix(x->x_obj.ob_outlet, x->m);
-}
-static void matrix_diag(t_mtx *x, t_symbol *s, int argc, t_atom *argv)
-{
- int col=argc;
- argv+=argc-1;
- if (argc<1) {
- post("matrix: no diagonale present");
- return;
- }
- MTX_adjustsize(x->m, argc, argc);
- MTX_set(x->m, 0);
-
- while(argc--)x->m->buffer[argc*(1+col)]=atom_getfloat(argv--);
- outlet_matrix(x->x_obj.ob_outlet, x->m);
-}
-static void matrix_diegg(t_mtx *x, t_symbol *s, int argc, t_atom *argv)
-{
- int col=argc;
- argv+=argc-1;
- if (argc<1) {
- post("matrix: no dieggonale present");
- return;
- }
- MTX_adjustsize(x->m, argc, argc);
- MTX_set(x->m, 0);
- while(argc--)x->m->buffer[(argc+1)*(col-1)]=atom_getfloat(argv--);
- outlet_matrix(x->x_obj.ob_outlet, x->m);
-}
-static void matrix_float(t_mtx *x, t_float f)
-{
- MTX_set(x->m, f);
- outlet_matrix(x->x_obj.ob_outlet, x->m);
-}
-static void matrix_row(t_mtx *x, t_symbol *s, int argc, t_atom *argv)
-{
- t_atom *ap=(t_atom *)getbytes(sizeof(t_atom)*x->m->col);
- t_float *mtx_flt;
- int row=x->m->row, col=x->m->col;
- int r, c;
- t_float f;
-
- switch (argc){
- case 0: /* show all rows as a list of floats */
- for (r=0;r<row;r++){
- mtx_flt = x->m->buffer+r*col;
- argv = ap;
- c=col;
- while(c--){
- SETFLOAT(argv, *mtx_flt);
- argv++;
- }
- outlet_list(x->x_obj.ob_outlet, gensym("row"), col, ap);
- }
- break;
- case 1: /* show this row as a list of floats */
- r=atom_getfloat(argv)-1;
- if ((r<0)||(r>=row)){
- post("matrix: row index %d is out of range", r+1);
- return;
- }
- argv=ap;
- mtx_flt=x->m->buffer+r*col;
- c=col;
- while(c--){
- SETFLOAT(argv, *mtx_flt);
- argv++;
- }
- outlet_list(x->x_obj.ob_outlet, gensym("row"), col, ap);
- break;
- case 2: /* set this row to a constant value */
- r=atom_getfloat(argv)-1;
- f=atom_getfloat(argv+1);
- if ((r<0)||(r>=row)){
- post("matrix: row index %d is out of range", r+1);
- return;
- }
- mtx_flt = x->m->buffer+r*col;
- c=col;
- while(c--)*mtx_flt++=f;
- outlet_matrix(x->x_obj.ob_outlet, x->m);
- default: /* set this row to new values */
- r=atom_getfloat(argv++)-1;
- if (argc--<col){
- post("matrix: sparse rows not yet supported : use \"mtx_check\"");
- return;
- }
- if ((r<0)||(r>=row)){
- post("matrix: row index %d is out of range", r+1);
- return;
- }
- mtx_flt=x->m->buffer+col*r;
- c=col;
- while(c--)*mtx_flt++=atom_getfloat(argv++);
- outlet_matrix(x->x_obj.ob_outlet, x->m);
- }
- freebytes(ap, x->m->col*sizeof(t_atom));
-}
-static void matrix_col(t_mtx *x, t_symbol *s, int argc, t_atom *argv)
-{
- t_float *mtx_flt;
- int row=x->m->row, col=x->m->col;
- int c=0, r=0;
- t_float f;
- t_atom *ap=(t_atom *)getbytes(row*sizeof(t_atom));
-
- switch (argc){
- case 0: /* show all columns as a list of floats */
- for (c=0;c<col;c++) {
- mtx_flt = x->m->buffer+c;
-
- for (r=0;r<row;r++)SETFLOAT(&ap[r], mtx_flt[col*r]);
- outlet_list(x->x_obj.ob_outlet, gensym("col"), row, ap);
- }
- break;
- case 1:/* show this column as a list of floats */
- c=atom_getfloat(argv)-1;
- if ((c<0)||(c>=col)){
- post("matrix: col index %d is out of range", c+1);
- return;
- }
- mtx_flt = x->m->buffer+c;
-
- for (r=0;r<row;r++)SETFLOAT(&ap[r],x->m->buffer[col*r]);
- outlet_list(x->x_obj.ob_outlet, gensym("col"), row, ap);
- break;
- case 2: /* set this column to a constant value */
- c=atom_getfloat(argv)-1;
- f=atom_getfloat(argv+1);
- if ((c<0)||(c>=row)){
- post("matrix: col index %d is out of range", c+1);
- return;
- }
- mtx_flt = x->m->buffer+r*col;
- c=col;
- while(c--){
- *mtx_flt=f;
- mtx_flt+=col;
- }
- outlet_matrix(x->x_obj.ob_outlet, x->m);
- default:/* set this column to new values */
- c=atom_getfloat(argv++)-1;
- if (argc--<row){
- post("matrix: sparse cols not yet supported : use \"mtx_check\"");
- return;
- }
- if ((c<0)||(c>=col)){
- post("matrix: col index %d is out of range", c+1);
- return;
- }
- mtx_flt=x->m->buffer+c;
- r=row;
- while(r--){
- *mtx_flt=atom_getfloat(argv++);
- mtx_flt+=col;
- }
- outlet_matrix(x->x_obj.ob_outlet, x->m);
- }
- freebytes(ap, row*sizeof(t_atom));
-}
-static void matrix_element(t_mtx *x, t_symbol *s, int argc, t_atom *argv)
-{
- t_float *mtx_flt=x->m->buffer;
- int row=x->m->row, col=x->m->col;
- int r, c, i=row*col;
-
- switch (argc){
- case 0:
- while(i--)outlet_float(x->x_obj.ob_outlet, *mtx_flt++);
- break;
- case 1:
- r=c=atom_getfloat(argv)-1;
- if ((r<0)||(r>=row)){
- post("matrix: row index %d is out of range", r+1);
- return;
- }
- if ((c<0)||(c>=col)){
- post("matrix: col index %d is out of range", c+1);
- return;
- }
- outlet_float(x->x_obj.ob_outlet, mtx_flt[c+r*col]);
- break;
- case 2:
- r=atom_getfloat(argv++)-1;
- c=atom_getfloat(argv++)-1;
- if ((r<0)||(r>=row)){ post("matrix: row index %d is out of range", r+1); return; }
- if ((c<0)||(c>=col)){ post("matrix: col index %d is out of range", c+1); return; }
- outlet_float(x->x_obj.ob_outlet, mtx_flt[c+r*col]);
- break;
- default:
- r=atom_getfloat(argv++)-1;
- c=atom_getfloat(argv++)-1;
- if ((r<0)||(r>=row)){ post("matrix: row index %d is out of range", r+1); return; }
- if ((c<0)||(c>=col)){ post("matrix: col index %d is out of range", c+1); return; }
- mtx_flt[c+r*col]=atom_getfloat(argv);
- outlet_matrix(x->x_obj.ob_outlet, x->m);
- }
-}
-
-/* ------------- file I/O ------------------ */
-static void matrix_read(t_mtx *x, t_symbol *filename)
-{
- t_binbuf *bbuf = binbuf_new();
- t_atom *ap;
- int n;
-
- if (binbuf_read_via_path(bbuf, filename->s_name, canvas_getdir(x->x_canvas)->s_name, 0))
- error("matrix: failed to read %s", filename->s_name);
-
- ap=binbuf_getvec(bbuf);
- n =binbuf_getnatom(bbuf)-1;
-
- if ((ap->a_type == A_SYMBOL) && !strcmp(ap->a_w.w_symbol->s_name,"matrix") ){
- /* ok, this looks like a matrix */
- int row = atom_getfloat(ap+1);
- int col = atom_getfloat(ap+2);
- t_float *mtx_flt;
- if (n-2<row*col){
- error("matrix: sparse matrices not supported");
- binbuf_free(bbuf);
- return;
- }
- if (row<1 || col<1){
- error("matrix: illegal matrix dimensions");
- binbuf_free(bbuf);
- return;
- }
-
- MTX_adjustsize(x->m, row, col);
- ap+=2;
- mtx_flt=x->m->buffer;
- n=row*col;
- while(n--)*mtx_flt++=atom_getfloat(ap++);
- }
-
- binbuf_free(bbuf);
-}
-static void matrix_write(t_mtx *x, t_symbol *filename)
-{
- t_binbuf *bbuf = binbuf_new();
- t_atom atom;
- t_float *mtx_flt=x->m->buffer;
- char buf[MAXPDSTRING];
- int n;
- int r = x->m->row;
- int c = x->m->col;
- canvas_makefilename(x->x_canvas, filename->s_name, buf, MAXPDSTRING);
-
- SETSYMBOL(&atom, gensym("matrix"));
- binbuf_add(bbuf, 1, &atom);
- SETFLOAT (&atom, x->m->row);
- binbuf_add(bbuf, 1, &atom);
- SETFLOAT (&atom, x->m->col);
- binbuf_add(bbuf, 1, &atom);
- binbuf_addsemi(bbuf);
- n=x->m->row*x->m->col;
- while(r--){
- c=x->m->col;
- while(c--){
- SETFLOAT(&atom, *mtx_flt++);
- binbuf_add(bbuf, 1, &atom);
- }
- binbuf_addsemi(bbuf);
- }
-
- if (binbuf_write(bbuf, buf, "", 1)){
- error("matrix: failed to write %s", filename->s_name);
- }
-
- binbuf_free(bbuf);
-}
-
-/* ----------------- setup ------------------- */
-
-static void matrix_free(t_mtx *x)
-{
- MTX_freematrix(x->m);
- freebytes(x->m, sizeof(t_matrix));
-}
-static void *matrix_new(t_symbol *s, int argc, t_atom *argv)
-{
- t_mtx *x = (t_mtx *)pd_new(matrix_class);
- int row, col;
-
- x->m = (t_matrix *)getbytes(sizeof(t_matrix));
-
- inlet_new(&x->x_obj, &x->x_obj.ob_pd, gensym("pointer"), gensym(""));
- outlet_new(&x->x_obj, 0);
-
- x->m->buffer= 0;
- x->m->row = x->m->col = 0;
- x->m->valid = VALID_MTX;
- x->x_canvas = canvas_getcurrent();
-
- switch (argc) {
- case 0:
- row = col = 0;
- break;
- case 1:
- if (argv->a_type == A_SYMBOL) {
- matrix_read(x, argv->a_w.w_symbol);
- return(x);
- }
- row = col = atom_getfloat(argv);
- break;
- default:
- row = atom_getfloat(argv++);
- col = atom_getfloat(argv++);
- }
-
- if(row*col){
- MTX_adjustsize(x->m, row, col);
- MTX_set(x->m, 0);
- }
-
- return (x);
-}
-
-static void matrix_setup(void)
-{
- matrix_class = class_new(gensym("mtx"), (t_newmethod)matrix_new,
- (t_method)matrix_free, sizeof(t_mtx), 0, A_GIMME, 0);
-
- /* the core : functions for matrices */
- class_addmethod (matrix_class, (t_method)matrix_matrix, gensym("matrix"), A_GIMME, 0);
- class_addmethod (matrix_class, (t_method)matrix_matrix2, gensym(""), A_GIMME, 0);
-
- /* the basics : functions for creation */
- class_addmethod (matrix_class, (t_method)matrix_eye, gensym("eye"), A_GIMME, 0);
- class_addmethod (matrix_class, (t_method)matrix_diag, gensym("diag"), A_GIMME, 0);
- class_addmethod (matrix_class, (t_method)matrix_ones, gensym("ones"), A_GIMME, 0);
- class_addmethod (matrix_class, (t_method)matrix_zeros, gensym("zeros"), A_GIMME, 0);
- class_addmethod (matrix_class, (t_method)matrix_egg, gensym("egg"), A_GIMME, 0);
- class_addmethod (matrix_class, (t_method)matrix_diegg, gensym("diegg"), A_GIMME, 0);
-
- /* the rest : functions for anything */
- class_addbang (matrix_class, matrix_bang);
- class_addfloat (matrix_class, matrix_float);
- // class_addlist (matrix_class, matrix_list);
- class_addmethod (matrix_class, (t_method)matrix_row, gensym("row"), A_GIMME, 0);
- class_addmethod (matrix_class, (t_method)matrix_col, gensym("column"), A_GIMME, 0);
- class_addmethod (matrix_class, (t_method)matrix_col, gensym("col"), A_GIMME, 0);
- class_addmethod (matrix_class, (t_method)matrix_element, gensym("element"), A_GIMME, 0);
-
- /* the file functions */
- class_addmethod (matrix_class, (t_method)matrix_write, gensym("write"), A_SYMBOL, 0);
- class_addmethod (matrix_class, (t_method)matrix_read , gensym("read") , A_SYMBOL, 0);
-
-
- class_sethelpsymbol(matrix_class, gensym("zexy/mtx"));
-}
-
-
-/* mtx_print */
-
-static t_class *mtx_print_class;
-
-typedef struct _m_print
-{
- t_object x_obj;
-
-} t_m_print;
-static void mtx_print(t_m_print *x, t_gpointer *gp)
-{
- t_matrix *m = get_inmatrix(gp);
- int c, r;
- t_float *f;
- if (!m) return;
-
- c=m->col;
- r=m->row;
- f=m->buffer;
-
- post("matrix %dx%d @ %x", r,c, f);
-
- while(r--){
- c=m->col;
- while(c--)startpost("%f\t", *f++);
- endpost();
- }
-
-}
-static void *mtx_print_new(void)
-{
- t_m_print *x = (t_m_print *)pd_new(mtx_print_class);
-
- return (x);
-}
-static void mtx_print_setup(void)
-{
- mtx_print_class = class_new(gensym("m_print"), (t_newmethod)mtx_print_new,
- 0, sizeof(t_m_print), 0, 0, 0);
- class_addpointer(mtx_print_class, mtx_print);
-}
-
-
-void z_mtx_setup(void)
-{
- matrix_setup();
- mtx_print_setup();
-}
generated by cgit v1.2.1 (git 2.18.0) at 2024-11-10 18:29:14 +0000