aboutsummaryrefslogtreecommitdiff
path: root/externals/vanilla/abs~.c
diff options
context:
space:
mode:
Diffstat (limited to 'externals/vanilla/abs~.c')
-rw-r--r--externals/vanilla/abs~.c48
1 files changed, 48 insertions, 0 deletions
diff --git a/externals/vanilla/abs~.c b/externals/vanilla/abs~.c
new file mode 100644
index 00000000..b64fae45
--- /dev/null
+++ b/externals/vanilla/abs~.c
@@ -0,0 +1,48 @@
+/* Copyright (c) 1997-2001 Miller Puckette 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 <math.h>
+
+static t_class *abs_tilde_class;
+
+typedef struct _abs_tilde
+{
+ t_object x_obj;
+ t_float x_f;
+} t_abs_tilde;
+
+static void *abs_tilde_new(t_symbol *s, int argc, t_atom *argv)
+{
+ t_abs_tilde *x = (t_abs_tilde *)pd_new(abs_tilde_class);
+ outlet_new(&x->x_obj, &s_signal);
+ return (x);
+}
+
+t_int *abs_tilde_perform(t_int *w)
+{
+ t_sample *in1 = (t_sample *)(w[1]);
+ t_sample *out = (t_sample *)(w[2]);
+ int n = (int)(w[3]);
+ while (n--)
+ {
+ float f = *in1++;
+ *out++ = (f >= 0 ? f : -f);
+ }
+ return (w+4);
+}
+
+static void abs_tilde_dsp(t_abs_tilde *x, t_signal **sp)
+{
+ dsp_add(abs_tilde_perform, 3,
+ sp[0]->s_vec, sp[1]->s_vec, sp[0]->s_n);
+}
+
+static void abs_tilde_setup(void)
+{
+ abs_tilde_class = class_new(gensym("abs~"), (t_newmethod)abs_tilde_new, 0,
+ sizeof(t_abs_tilde), 0, 0);
+ CLASS_MAINSIGNALIN(abs_tilde_class, t_abs_tilde, x_f);
+ class_addmethod(abs_tilde_class, (t_method)abs_tilde_dsp, gensym("dsp"), 0);
+}