1 files changed, 42 insertions, 0 deletions
diff --git a/cyclone/sickle/abs.c b/cyclone/sickle/abs.c
new file mode 100644
index 0000000..cde26a5
--- /dev/null
+++ b/cyclone/sickle/abs.c
@@ -0,0 +1,42 @@
+/* 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.  */
+
+#include "m_pd.h"
+#include "sickle/sic.h"
+
+typedef t_sic t_abs;
+static t_class *abs_class;
+
+static t_int *abs_perform(t_int *w)
+{
+    int nblock = (int)(w[1]);
+    t_float *in = (t_float *)(w[2]);
+    t_float *out = (t_float *)(w[3]);
+    while (nblock--)
+    {
+	float f = *in++;
+    	*out++ = (f >= 0 ? f : -f);
+    }
+    return (w + 4);
+}
+
+static void abs_dsp(t_abs *x, t_signal **sp)
+{
+    dsp_add(abs_perform, 3, sp[0]->s_n, sp[0]->s_vec, sp[1]->s_vec);
+}
+
+static void *abs_new(void)
+{
+    t_abs *x = (t_abs *)pd_new(abs_class);
+    outlet_new((t_object *)x, &s_signal);
+    return (x);
+}
+
+void abs_tilde_setup(void)
+{
+    abs_class = class_new(gensym("abs~"),
+			  (t_newmethod)abs_new, 0,
+			  sizeof(t_abs), 0, 0);
+    sic_setup(abs_class, abs_dsp, SIC_FLOATTOSIGNAL);
+}