diff options
Diffstat (limited to 'source/vrms.c')
| -rw-r--r-- | source/vrms.c | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/source/vrms.c b/source/vrms.c new file mode 100644 index 0000000..52b8d6d --- /dev/null +++ b/source/vrms.c @@ -0,0 +1,41 @@ +#include "defines.h"
+
+/*--------------- vrms ---------------*/
+
+static t_class *vrms_class;
+
+typedef struct _vrms
+{
+ t_object x_obj;
+} t_vrms;
+
+
+static void vrms_perform(t_vrms *x, t_symbol *s, int argc, t_atom *argv)
+{
+ float sum=0.f;
+ int i;
+ for (i = 0; i < argc; i++)
+ {
+ float tmp=atom_getfloat(&argv[i]);
+ sum+= tmp*tmp;
+ }
+ outlet_float(x->x_obj.ob_outlet, (float)sqrtf(sum/argc));
+}
+
+static void *vrms_new( t_float halfDecayTime)
+{
+ t_vrms *x=(t_vrms *)pd_new(vrms_class);
+ outlet_new(&x->x_obj, gensym("float"));
+ return (void *)x;
+}
+
+void vrms_setup(void)
+{
+ vrms_class = class_new(gensym("vrms"),
+ (t_newmethod)vrms_new, 0,
+ sizeof(t_vrms),
+ CLASS_DEFAULT,
+ 0);
+ class_addlist(vrms_class, (t_method)vrms_perform);
+}
+
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