1 files changed, 68 insertions, 0 deletions
diff --git a/cyclone/hammer/accum.c b/cyclone/hammer/accum.c
new file mode 100644
index 0000000..d266fb3
--- /dev/null
+++ b/cyclone/hammer/accum.c
@@ -0,0 +1,68 @@
+/* Copyright (c) 2002-2003 krzYszcz and others.
+ * For information on usage and redistribution, and for a DISCLAIMER OF ALL
+ * WARRANTIES, see the file, "LICENSE.txt," in this distribution.  */
+
+/* This is a slightly edited version of Joseph A. Sarlo's code.
+   The most important changes are listed in "pd-lib-notes.txt" file.  */
+
+#include "m_pd.h"
+
+typedef struct _accum
+{
+    t_object  x_ob;
+    t_float   x_total;
+} t_accum;
+
+static t_class *accum_class;
+
+static void accum_set(t_accum *x, t_floatarg val)
+{
+    x->x_total = val;
+}
+
+static void accum_bang(t_accum *x)
+{
+    outlet_float(((t_object *)x)->ob_outlet, x->x_total);
+}
+
+static void accum_float(t_accum *x, t_floatarg val)
+{
+    /* LATER reconsider int/float dilemma */
+    accum_set(x, val);
+    accum_bang(x);
+}
+
+static void accum_add(t_accum *x, t_floatarg val)
+{
+    /* LATER reconsider int/float dilemma */
+    x->x_total += val;
+}
+
+static void accum_mult(t_accum *x, t_floatarg val)
+{
+    x->x_total *= val;
+}
+
+static void *accum_new(t_floatarg val)
+{
+    t_accum *x = (t_accum *)pd_new(accum_class);
+    x->x_total = val;
+    inlet_new((t_object *)x, (t_pd *)x, &s_float, gensym("ft1"));
+    inlet_new((t_object *)x, (t_pd *)x, &s_float, gensym("ft2"));
+    outlet_new((t_object *)x, &s_float);
+    return (x);
+}
+
+void accum_setup(void)
+{
+    accum_class = class_new(gensym("accum"), (t_newmethod)accum_new, 0,
+			    sizeof(t_accum), 0, A_DEFFLOAT, 0);
+    class_addbang(accum_class, accum_bang);
+    class_addfloat(accum_class, accum_float);
+    class_addmethod(accum_class, (t_method)accum_add,
+		    gensym("ft1"), A_FLOAT, 0);
+    class_addmethod(accum_class, (t_method)accum_mult,
+		    gensym("ft2"), A_FLOAT, 0);
+    class_addmethod(accum_class, (t_method)accum_set,
+		    gensym("set"), A_FLOAT, 0);
+}