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-rw-r--r--source/vcog.c43
1 files changed, 43 insertions, 0 deletions
diff --git a/source/vcog.c b/source/vcog.c
new file mode 100644
index 0000000..1dd68a4
--- /dev/null
+++ b/source/vcog.c
@@ -0,0 +1,43 @@
+#include "defines.h"
+
+/*--------------- vcog ---------------*/
+
+static t_class *vcog_class;
+
+typedef struct _vcog
+{
+ t_object x_obj;
+} t_vcog;
+
+
+static void vcog_perform(t_vcog *x, t_symbol *s, int argc, t_atom *argv)
+{
+ float sum=0.f;
+ float wsum=0.0f;
+ int i;
+ for (i = 0; i < argc; i++)
+ {
+ float tmp=atom_getfloat(&argv[i]);
+ sum+= tmp;
+ wsum+= tmp*i;
+ }
+ if (sum!=0.0f) outlet_float(x->x_obj.ob_outlet, 1.0f+(wsum/sum));
+}
+
+static void *vcog_new( t_float halfDecayTime)
+{
+ t_vcog *x=(t_vcog *)pd_new(vcog_class);
+ outlet_new(&x->x_obj, gensym("float"));
+ return (void *)x;
+}
+
+void vcog_setup(void)
+{
+ vcog_class = class_new(gensym("vcog"),
+ (t_newmethod)vcog_new, 0,
+ sizeof(t_vcog),
+ CLASS_DEFAULT,
+ 0);
+ class_addlist(vcog_class, (t_method)vcog_perform);
+}
+