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authorIOhannes m zmölnig <zmoelnig@users.sourceforge.net>2005-06-14 10:35:30 +0000
committerIOhannes m zmölnig <zmoelnig@users.sourceforge.net>2005-06-14 10:35:30 +0000
commitc33a6ba07c4f3ca65031c4bde4b92c967c590343 (patch)
tree1513cd43b2eee2b488f13bdd7ccb33d3bc48c30b /src
parent5806ecc7a83d8675bd8d62cf8c02d5725a28884e (diff)
added [mtx_exp] and [mtx_log]
svn path=/trunk/externals/iem/iemmatrix/; revision=3171
Diffstat (limited to 'src')
-rw-r--r--src/iemmatrix.c6
-rw-r--r--src/mtx_exp.c84
-rw-r--r--src/mtx_log.c84
3 files changed, 173 insertions, 1 deletions
diff --git a/src/iemmatrix.c b/src/iemmatrix.c
index 0a96299..145b33b 100644
--- a/src/iemmatrix.c
+++ b/src/iemmatrix.c
@@ -25,9 +25,11 @@ void mtx_diegg_setup();
void mtx_distance2_setup();
void mtx_egg_setup();
void mtx_element_setup();
+void mtx_exp_setup();
void mtx_eye_setup();
-void mtx_inverse_setup();
void mtx_gauss_setup();
+void mtx_inverse_setup();
+void mtx_log_setup();
void mtx_matrix_setup();
void mtx_mean_setup();
void mtx_check_setup();
@@ -60,9 +62,11 @@ void iemtx_setup(){
mtx_distance2_setup();
mtx_egg_setup();
mtx_element_setup();
+ mtx_exp_setup();
mtx_eye_setup();
mtx_gauss_setup();
mtx_inverse_setup();
+ mtx_log_setup();
mtx_matrix_setup();
mtx_mean_setup();
mtx_check_setup();
diff --git a/src/mtx_exp.c b/src/mtx_exp.c
new file mode 100644
index 0000000..3ad021e
--- /dev/null
+++ b/src/mtx_exp.c
@@ -0,0 +1,84 @@
+/*
+ * iemmatrix
+ *
+ * objects for manipulating simple matrices
+ * mostly refering to matlab/octave matrix functions
+ *
+ * Copyright (c) IOhannes m zmölnig, forum::für::umläute
+ * IEM, Graz, Austria
+ *
+ * For information on usage and redistribution, and for a DISCLAIMER OF ALL
+ * WARRANTIES, see the file, "LICENSE.txt," in this distribution.
+ *
+ */
+#include "iemmatrix.h"
+
+/* mtx_exp: B=exp(A); B[n,m]=e^A[n,m] */
+
+static t_class *mtx_exp_class;
+
+static void mtx_exp_matrix(t_mtx_binmtx *x, t_symbol *s, int argc, t_atom *argv)
+{
+ int row=atom_getfloat(argv++);
+ int col=atom_getfloat(argv++);
+ t_atom *m;
+ int n = argc-2;
+
+ if (argc<2){ post("mtx_exp: crippled matrix"); return; }
+ if ((col<1)||(row<1)) { post("mtx_exp: invalid dimensions"); return; }
+ if (col*row>argc-2){ post("sparse matrix not yet supported : use \"mtx_check\""); return; }
+
+ adjustsize(&x->m, row, col);
+ m = x->m.atombuffer+2;
+
+ while(n--){
+ t_float f = (t_float)exp(atom_getfloat(argv++));
+ SETFLOAT(m, f);
+ m++;
+ }
+
+ outlet_anything(x->x_obj.ob_outlet, gensym("matrix"), argc, x->m.atombuffer);
+}
+
+static void mtx_exp_list(t_mtx_binscalar *x, t_symbol *s, int argc, t_atom *argv)
+{
+ int n=argc;
+ t_atom *m;
+ t_float factor = x->f;
+
+ adjustsize(&x->m, 1, argc);
+ m = x->m.atombuffer;
+
+ while(n--){
+ m->a_type = A_FLOAT;
+ (m++)->a_w.w_float = (t_float)exp(atom_getfloat(argv++));
+ }
+
+ outlet_list(x->x_obj.ob_outlet, gensym("list"), argc, x->m.atombuffer);
+}
+
+static void *mtx_exp_new(t_symbol *s)
+{
+ /* element exp */
+ t_matrix *x = (t_matrix *)pd_new(mtx_exp_class);
+ outlet_new(&x->x_obj, 0);
+ x->col = x->row = 0;
+ x->atombuffer = 0;
+ return(x);
+}
+
+void mtx_exp_setup(void)
+{
+ mtx_exp_class = class_new(gensym("mtx_exp"), (t_newmethod)mtx_exp_new, (t_method)mtx_binmtx_free,
+ sizeof(t_mtx_binmtx), 0, A_GIMME, 0);
+ class_addmethod(mtx_exp_class, (t_method)mtx_exp_matrix, gensym("matrix"), A_GIMME, 0);
+ class_addlist (mtx_exp_class, mtx_exp_list);
+ class_addbang (mtx_exp_class, mtx_binmtx_bang);
+
+ class_sethelpsymbol(mtx_exp_class, gensym("iemmatrix/mtx_exp"));
+}
+
+void iemtx_exp_setup(void)
+{
+ mtx_exp_setup();
+}
diff --git a/src/mtx_log.c b/src/mtx_log.c
new file mode 100644
index 0000000..90b609d
--- /dev/null
+++ b/src/mtx_log.c
@@ -0,0 +1,84 @@
+/*
+ * iemmatrix
+ *
+ * objects for manipulating simple matrices
+ * mostly refering to matlab/octave matrix functions
+ *
+ * Copyright (c) IOhannes m zmölnig, forum::für::umläute
+ * IEM, Graz, Austria
+ *
+ * For information on usage and redistribution, and for a DISCLAIMER OF ALL
+ * WARRANTIES, see the file, "LICENSE.txt," in this distribution.
+ *
+ */
+#include "iemmatrix.h"
+
+/* mtx_log: B=log(A); B[n,m]=e^A[n,m] */
+
+static t_class *mtx_log_class;
+
+static void mtx_log_matrix(t_mtx_binmtx *x, t_symbol *s, int argc, t_atom *argv)
+{
+ int row=atom_getfloat(argv++);
+ int col=atom_getfloat(argv++);
+ t_atom *m;
+ int n = argc-2;
+
+ if (argc<2){ post("mtx_log: crippled matrix"); return; }
+ if ((col<1)||(row<1)) { post("mtx_log: invalid dimensions"); return; }
+ if (col*row>argc-2){ post("sparse matrix not yet supported : use \"mtx_check\""); return; }
+
+ adjustsize(&x->m, row, col);
+ m = x->m.atombuffer+2;
+
+ while(n--){
+ t_float f = (t_float)log(atom_getfloat(argv++));
+ SETFLOAT(m, f);
+ m++;
+ }
+
+ outlet_anything(x->x_obj.ob_outlet, gensym("matrix"), argc, x->m.atombuffer);
+}
+
+static void mtx_log_list(t_mtx_binscalar *x, t_symbol *s, int argc, t_atom *argv)
+{
+ int n=argc;
+ t_atom *m;
+ t_float factor = x->f;
+
+ adjustsize(&x->m, 1, argc);
+ m = x->m.atombuffer;
+
+ while(n--){
+ m->a_type = A_FLOAT;
+ (m++)->a_w.w_float = (t_float)log(atom_getfloat(argv++));
+ }
+
+ outlet_list(x->x_obj.ob_outlet, gensym("list"), argc, x->m.atombuffer);
+}
+
+static void *mtx_log_new(t_symbol *s)
+{
+ /* element log */
+ t_matrix *x = (t_matrix *)pd_new(mtx_log_class);
+ outlet_new(&x->x_obj, 0);
+ x->col = x->row = 0;
+ x->atombuffer = 0;
+ return(x);
+}
+
+void mtx_log_setup(void)
+{
+ mtx_log_class = class_new(gensym("mtx_log"), (t_newmethod)mtx_log_new, (t_method)mtx_binmtx_free,
+ sizeof(t_mtx_binmtx), 0, A_GIMME, 0);
+ class_addmethod(mtx_log_class, (t_method)mtx_log_matrix, gensym("matrix"), A_GIMME, 0);
+ class_addlist (mtx_log_class, mtx_log_list);
+ class_addbang (mtx_log_class, mtx_binmtx_bang);
+
+ class_sethelpsymbol(mtx_log_class, gensym("iemmatrix/mtx_log"));
+}
+
+void iemtx_log_setup(void)
+{
+ mtx_log_setup();
+}