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-rw-r--r--src/tab_abs.c170
1 files changed, 170 insertions, 0 deletions
diff --git a/src/tab_abs.c b/src/tab_abs.c
new file mode 100644
index 0000000..71042e6
--- /dev/null
+++ b/src/tab_abs.c
@@ -0,0 +1,170 @@
+/* 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_abs ------------------------------ */
+
+typedef struct _tab_abs
+{
+ t_object x_obj;
+ int x_size_src1;
+ int x_size_dst;
+ int x_offset_src1;
+ int x_offset_dst;
+ float *x_beg_mem_src1;
+ float *x_beg_mem_dst;
+ t_symbol *x_sym_scr1;
+ t_symbol *x_sym_dst;
+} t_tab_abs;
+
+static t_class *tab_abs_class;
+
+static void tab_abs_src(t_tab_abs *x, t_symbol *s)
+{
+ x->x_sym_scr1 = s;
+}
+
+static void tab_abs_dst(t_tab_abs *x, t_symbol *s)
+{
+ x->x_sym_dst = s;
+}
+
+static void tab_abs_bang(t_tab_abs *x)
+{
+ int i, n;
+ int ok_src, ok_dst;
+ t_float *vec_src, *vec_dst;
+
+ ok_src = iem_tab_check_arrays(gensym("tab_abs"), x->x_sym_scr1, &x->x_beg_mem_src1, &x->x_size_src1, 0);
+ ok_dst = iem_tab_check_arrays(gensym("tab_abs"), x->x_sym_dst, &x->x_beg_mem_dst, &x->x_size_dst, 0);
+
+ if(ok_src && ok_dst)
+ {
+ if(x->x_size_src1 < x->x_size_dst)
+ n = x->x_size_src1;
+ else
+ n = x->x_size_dst;
+ vec_src = x->x_beg_mem_src1;
+ vec_dst = x->x_beg_mem_dst;
+ if(n)
+ {
+ t_garray *a;
+
+ for(i=0; i<n; i++)
+ vec_dst[i] = fabs(vec_src[i]);
+ outlet_bang(x->x_obj.ob_outlet);
+ a = (t_garray *)pd_findbyclass(x->x_sym_dst, garray_class);
+ garray_redraw(a);
+ }
+ }
+}
+
+static void tab_abs_list(t_tab_abs *x, t_symbol *s, int argc, t_atom *argv)
+{
+ int beg_src, beg_dst;
+ int i, n;
+ int ok_src, ok_dst;
+ t_float *vec_src, *vec_dst;
+
+ if((argc >= 3) &&
+ IS_A_FLOAT(argv,0) &&
+ IS_A_FLOAT(argv,1) &&
+ IS_A_FLOAT(argv,2))
+ {
+ beg_src = (int)atom_getintarg(0, argc, argv);
+ beg_dst = (int)atom_getintarg(1, argc, argv);
+ n = (int)atom_getintarg(2, argc, argv);
+ if(beg_src < 0)
+ beg_src = 0;
+ if(beg_dst < 0)
+ beg_dst = 0;
+ if(n < 0)
+ n = 0;
+
+ ok_src = iem_tab_check_arrays(gensym("tab_abs"), x->x_sym_scr1, &x->x_beg_mem_src1, &x->x_size_src1, beg_src+n);
+ ok_dst = iem_tab_check_arrays(gensym("tab_abs"), x->x_sym_dst, &x->x_beg_mem_dst, &x->x_size_dst, beg_dst+n);
+
+ if(ok_src && ok_dst)
+ {
+ vec_src = x->x_beg_mem_src1 + beg_src;
+ vec_dst = x->x_beg_mem_dst + beg_dst;
+ if(n)
+ {
+ t_garray *a;
+
+ for(i=0; i<n; i++)
+ vec_dst[i] = fabs(vec_src[i]);
+ outlet_bang(x->x_obj.ob_outlet);
+ a = (t_garray *)pd_findbyclass(x->x_sym_dst, garray_class);
+ garray_redraw(a);
+ }
+ }
+ }
+ else
+ {
+ post("tab_abs-ERROR: list need 3 float arguments:");
+ post(" source_offset + destination_offset + number_of_samples_to_abs");
+ }
+}
+
+static void tab_abs_free(t_tab_abs *x)
+{
+}
+
+static void *tab_abs_new(t_symbol *s, int argc, t_atom *argv)
+{
+ t_tab_abs *x = (t_tab_abs *)pd_new(tab_abs_class);
+ t_symbol *src, *dst;
+
+ if((argc >= 2) &&
+ IS_A_SYMBOL(argv,0) &&
+ IS_A_SYMBOL(argv,1))
+ {
+ src = (t_symbol *)atom_getsymbolarg(0, argc, argv);
+ dst = (t_symbol *)atom_getsymbolarg(1, argc, argv);
+ }
+ else if((argc >= 1) &&
+ IS_A_SYMBOL(argv,0))
+ {
+ src = (t_symbol *)atom_getsymbolarg(0, argc, argv);
+ dst = src;
+ }
+ else
+ {
+ post("tab_abs-ERROR: need 2 symbols arguments:");
+ post(" source_array_name + destination_array_name");
+ return(0);
+ }
+
+ x->x_sym_scr1 = src;
+ x->x_sym_dst = dst;
+ outlet_new(&x->x_obj, &s_bang);
+ return(x);
+}
+
+void tab_abs_setup(void)
+{
+ tab_abs_class = class_new(gensym("tab_abs"), (t_newmethod)tab_abs_new, (t_method)tab_abs_free,
+ sizeof(t_tab_abs), 0, A_GIMME, 0);
+ class_addbang(tab_abs_class, (t_method)tab_abs_bang);
+ class_addlist(tab_abs_class, (t_method)tab_abs_list);
+ class_addmethod(tab_abs_class, (t_method)tab_abs_src, gensym("src"), A_DEFSYMBOL, 0);
+ class_addmethod(tab_abs_class, (t_method)tab_abs_src, gensym("src1"), A_DEFSYMBOL, 0);
+ class_addmethod(tab_abs_class, (t_method)tab_abs_dst, gensym("dst"), A_DEFSYMBOL, 0);
+ class_sethelpsymbol(tab_abs_class, gensym("iemhelp2/tab_abs-help"));
+}