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authormusil <tmusil@users.sourceforge.net>2006-03-10 03:05:55 +0000
committermusil <tmusil@users.sourceforge.net>2006-03-10 03:05:55 +0000
commit8c5d0621d0d305bb62997b4ad12af874ec253432 (patch)
tree2143632f92074a112b52b1260eef056c336dda30 /src/tab_lt.c
initial check insvn2git-root
svn path=/trunk/externals/iem/iem_tab/; revision=4683
Diffstat (limited to 'src/tab_lt.c')
-rw-r--r--src/tab_lt.c206
1 files changed, 206 insertions, 0 deletions
diff --git a/src/tab_lt.c b/src/tab_lt.c
new file mode 100644
index 0000000..f3a4e6c
--- /dev/null
+++ b/src/tab_lt.c
@@ -0,0 +1,206 @@
+/* For information on usage and redistribution, and for a DISCLAIMER OF ALL
+* WARRANTIES, see the file, "LICENSE.txt," in this distribution.
+
+iem_tab written by Thomas Musil, Copyright (c) IEM KUG Graz Austria 2000 - 2005 */
+
+#ifdef NT
+#pragma warning( disable : 4244 )
+#pragma warning( disable : 4305 )
+#endif
+
+
+#include "m_pd.h"
+#include "iemlib.h"
+#include "iem_tab.h"
+#include <math.h>
+#include <stdio.h>
+#include <string.h>
+
+
+/* -------------------------- tab_lt ------------------------------ */
+
+typedef struct _tab_lt
+{
+ t_object x_obj;
+ int x_size_src1;
+ int x_size_src2;
+ int x_size_dst;
+ int x_offset_src1;
+ int x_offset_src2;
+ int x_offset_dst;
+ float *x_beg_mem_src1;
+ float *x_beg_mem_src2;
+ float *x_beg_mem_dst;
+ t_symbol *x_sym_scr1;
+ t_symbol *x_sym_scr2;
+ t_symbol *x_sym_dst;
+} t_tab_lt;
+
+static t_class *tab_lt_class;
+
+static void tab_lt_src1(t_tab_lt *x, t_symbol *s)
+{
+ x->x_sym_scr1 = s;
+}
+
+static void tab_lt_src2(t_tab_lt *x, t_symbol *s)
+{
+ x->x_sym_scr2 = s;
+}
+
+static void tab_lt_dst(t_tab_lt *x, t_symbol *s)
+{
+ x->x_sym_dst = s;
+}
+
+static void tab_lt_bang(t_tab_lt *x)
+{
+ int i, n;
+ int ok_src1, ok_src2, ok_dst;
+ t_float *vec_src1, *vec_src2, *vec_dst;
+
+ ok_src1 = iem_tab_check_arrays(gensym("tab_lt"), x->x_sym_scr1, &x->x_beg_mem_src1, &x->x_size_src1, 0);
+ ok_src2 = iem_tab_check_arrays(gensym("tab_lt"), x->x_sym_scr2, &x->x_beg_mem_src2, &x->x_size_src2, 0);
+ ok_dst = iem_tab_check_arrays(gensym("tab_lt"), x->x_sym_dst, &x->x_beg_mem_dst, &x->x_size_dst, 0);
+
+ if(ok_src1 && ok_src2 && ok_dst)
+ {
+ if(x->x_size_src1 < x->x_size_dst)
+ n = x->x_size_src1;
+ else
+ n = x->x_size_dst;
+ if(x->x_size_src2 < n)
+ n = x->x_size_src2;
+
+ vec_src1 = x->x_beg_mem_src1;
+ vec_src2 = x->x_beg_mem_src2;
+ vec_dst = x->x_beg_mem_dst;
+ if(n)
+ {
+ t_garray *a;
+
+ for(i=0; i<n; i++)
+ {
+ if(vec_src1[i] < vec_src2[i])
+ vec_dst[i] = 1.0f;
+ else
+ vec_dst[i] = 0.0f;
+ }
+ outlet_bang(x->x_obj.ob_outlet);
+ a = (t_garray *)pd_findbyclass(x->x_sym_dst, garray_class);
+ garray_redraw(a);
+ }
+ }
+}
+
+static void tab_lt_list(t_tab_lt *x, t_symbol *s, int argc, t_atom *argv)
+{
+ int beg_src1, beg_src2, beg_dst;
+ int i, n;
+ int ok_src1, ok_src2, ok_dst;
+ t_float *vec_src1, *vec_src2, *vec_dst;
+
+ if((argc >= 4) &&
+ IS_A_FLOAT(argv,0) &&
+ IS_A_FLOAT(argv,1) &&
+ IS_A_FLOAT(argv,2) &&
+ IS_A_FLOAT(argv,3))
+ {
+ beg_src1 = (int)atom_getintarg(0, argc, argv);
+ beg_src2 = (int)atom_getintarg(1, argc, argv);
+ beg_dst = (int)atom_getintarg(2, argc, argv);
+ n = (int)atom_getintarg(3, argc, argv);
+ if(beg_src1 < 0)
+ beg_src1 = 0;
+ if(beg_src2 < 0)
+ beg_src2 = 0;
+ if(beg_dst < 0)
+ beg_dst = 0;
+ if(n < 0)
+ n = 0;
+
+ ok_src1 = iem_tab_check_arrays(gensym("tab_lt"), x->x_sym_scr1, &x->x_beg_mem_src1, &x->x_size_src1, beg_src1+n);
+ ok_src2 = iem_tab_check_arrays(gensym("tab_lt"), x->x_sym_scr2, &x->x_beg_mem_src2, &x->x_size_src2, beg_src2+n);
+ ok_dst = iem_tab_check_arrays(gensym("tab_lt"), x->x_sym_dst, &x->x_beg_mem_dst, &x->x_size_dst, beg_dst+n);
+
+ if(ok_src1 && ok_src2 && ok_dst)
+ {
+ vec_src1 = x->x_beg_mem_src1 + beg_src1;
+ vec_src2 = x->x_beg_mem_src2 + beg_src2;
+ vec_dst = x->x_beg_mem_dst + beg_dst;
+ if(n)
+ {
+ t_garray *a;
+
+ for(i=0; i<n; i++)
+ {
+ if(vec_src1[i] < vec_src2[i])
+ vec_dst[i] = 1.0f;
+ else
+ vec_dst[i] = 0.0f;
+ }
+ outlet_bang(x->x_obj.ob_outlet);
+ a = (t_garray *)pd_findbyclass(x->x_sym_dst, garray_class);
+ garray_redraw(a);
+ }
+ }
+ }
+ else
+ {
+ post("tab_lt-ERROR: list need 4 float arguments:");
+ post(" source1_offset + source2_offset + destination_offset + number_of_samples_to_compare");
+ }
+}
+
+static void tab_lt_free(t_tab_lt *x)
+{
+}
+
+static void *tab_lt_new(t_symbol *s, int argc, t_atom *argv)
+{
+ t_tab_lt *x = (t_tab_lt *)pd_new(tab_lt_class);
+ t_symbol *src1, *src2, *dst;
+ t_float time;
+
+ if((argc >= 3) &&
+ IS_A_SYMBOL(argv,0) &&
+ IS_A_SYMBOL(argv,1) &&
+ IS_A_SYMBOL(argv,2))
+ {
+ src1 = (t_symbol *)atom_getsymbolarg(0, argc, argv);
+ src2 = (t_symbol *)atom_getsymbolarg(1, argc, argv);
+ dst = (t_symbol *)atom_getsymbolarg(2, argc, argv);
+ }
+ else if((argc >= 2) &&
+ IS_A_SYMBOL(argv,0) &&
+ IS_A_SYMBOL(argv,1))
+ {
+ src1 = (t_symbol *)atom_getsymbolarg(0, argc, argv);
+ dst = src1;
+ src2 = (t_symbol *)atom_getsymbolarg(1, argc, argv);
+ }
+ else
+ {
+ post("tab_lt-ERROR: need 3 symbols arguments:");
+ post(" source1_array_name + source2_array_name + destination_array_name");
+ return(0);
+ }
+
+ x->x_sym_scr1 = src1;
+ x->x_sym_scr2 = src2;
+ x->x_sym_dst = dst;
+ outlet_new(&x->x_obj, &s_bang);
+ return(x);
+}
+
+void tab_lt_setup(void)
+{
+ tab_lt_class = class_new(gensym("tab_lt"), (t_newmethod)tab_lt_new, (t_method)tab_lt_free,
+ sizeof(t_tab_lt), 0, A_GIMME, 0);
+ class_addbang(tab_lt_class, (t_method)tab_lt_bang);
+ class_addlist(tab_lt_class, (t_method)tab_lt_list);
+ class_addmethod(tab_lt_class, (t_method)tab_lt_src1, gensym("src1"), A_DEFSYMBOL, 0);
+ class_addmethod(tab_lt_class, (t_method)tab_lt_src2, gensym("src2"), A_DEFSYMBOL, 0);
+ class_addmethod(tab_lt_class, (t_method)tab_lt_dst, gensym("dst"), A_DEFSYMBOL, 0);
+ class_sethelpsymbol(tab_lt_class, gensym("iemhelp2/tab_lt-help"));
+}