1 files changed, 84 insertions, 0 deletions
diff --git a/tabreadl.c b/tabreadl.c
new file mode 100644
index 0000000..e669bd8
--- /dev/null
+++ b/tabreadl.c
@@ -0,0 +1,84 @@
+/*
+Copyright (C) 2002 Antoine Rousseau 
+
+This library is free software; you can redistribute it and/or
+modify it under the terms of the GNU Lesser General Public
+License as published by the Free Software Foundation; either
+version 2.1 of the License, or (at your option) any later version.
+
+This library 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
+Lesser General Public License for more details.
+
+You should have received a copy of the GNU Lesser General Public
+License along with this library; if not, write to the Free Software
+Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA  
+
+*/
+
+#include "m_pd.h"
+#include "math.h"
+
+/* ---------- tabreadl: control, linear interpolating ------------------------ */
+
+static t_class *tabreadl_class;
+
+typedef struct _tabreadl
+{
+    t_object x_obj;
+    t_symbol *x_arrayname;
+} t_tabreadl;
+
+static void tabreadl_float(t_tabreadl *x, t_float f)
+{
+    t_garray *a;
+    int npoints;
+    t_float *vec;
+
+    if (!(a = (t_garray *)pd_findbyclass(x->x_arrayname, garray_class)))
+    	error("%s: no such array", x->x_arrayname->s_name);
+    else if (!garray_getfloatarray(a, &npoints, &vec))
+    	error("%s: bad template for tabreadl", x->x_arrayname->s_name);
+    else
+    {
+    	int n ;
+		float r,v;
+
+    	if (f < 0) f = 0;
+    	else if (f >= npoints) f = npoints - 1;
+		n=f;
+		if(npoints>1){
+			r=f-n;
+			v=vec[n]*(1-r)+vec[n+1]*r;
+			outlet_float(x->x_obj.ob_outlet, v );
+		}
+    	else 
+			outlet_float(x->x_obj.ob_outlet, (npoints ? vec[n] : 0));
+    }
+}
+
+static void tabreadl_set(t_tabreadl *x, t_symbol *s)
+{
+    x->x_arrayname = s;
+}
+
+static void *tabreadl_new(t_symbol *s)
+{
+    t_tabreadl *x = (t_tabreadl *)pd_new(tabreadl_class);
+    x->x_arrayname = s;
+    outlet_new(&x->x_obj, &s_float);
+    return (x);
+}
+
+void tabreadl_setup(void)
+{
+    tabreadl_class = class_new(gensym("tabreadl"), (t_newmethod)tabreadl_new,
+    	0, sizeof(t_tabreadl), 0, A_DEFSYM, 0);
+    class_addfloat(tabreadl_class, (t_method)tabreadl_float);
+    class_addmethod(tabreadl_class, (t_method)tabreadl_set, gensym("set"),
+    	A_SYMBOL, 0);
+
+}
+
+