From 6a9bc88d7b52fc35b9fe3597cd29d9fbe90387ee Mon Sep 17 00:00:00 2001
From: Hans-Christoph Steiner <eighthave@users.sourceforge.net>
Date: Tue, 9 Feb 2010 21:40:51 +0000
Subject: updated to sigpack-0.04-win32.zip and committed forgotten debian
 files

svn path=/trunk/externals/sigpack/; revision=13154
---
 wavewrap~.c | 72 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 72 insertions(+)
 create mode 100644 wavewrap~.c

(limited to 'wavewrap~.c')

diff --git a/wavewrap~.c b/wavewrap~.c
new file mode 100644
index 0000000..36fde56
--- /dev/null
+++ b/wavewrap~.c
@@ -0,0 +1,72 @@
+// sigpack
+// for
+// pure-data
+// by weiss
+// www.weiss-archiv.de
+
+#include "m_pd.h"
+#include <math.h>
+#ifdef _MSC_VER
+#pragma warning( disable : 4244 )
+#pragma warning( disable : 4305 )
+#endif
+#define M_PI 3.14159265358979323846
+
+// ------------------------ wavewrap~ ----------------------------- 
+// sinus wavewrapper. produces an unusual distortion effect
+// code from swh_plugins by steve harris www.plugin.org.uk  
+
+static t_class *wavewrap_tilde_class;
+
+typedef struct _wavewrap_tilde
+{
+    t_object x_obj;
+	t_sample x_wrap;
+	float x_f;
+} t_wavewrap_tilde;
+
+static void *wavewrap_tilde_new(t_floatarg wrap)
+{
+    t_wavewrap_tilde *x = (t_wavewrap_tilde *)pd_new(wavewrap_tilde_class);
+	x->x_wrap = wrap;
+    outlet_new(&x->x_obj, gensym("signal"));
+	floatinlet_new(&x->x_obj, &x->x_wrap);
+	x->x_f = 0;
+	if (wrap) x->x_wrap = wrap;
+	else x->x_wrap = 0;
+    return (x);
+}
+
+static t_int *wavewrap_tilde_perform(t_int *w)
+{
+	t_wavewrap_tilde *x = (t_wavewrap_tilde *)(w[1]);
+    t_float *in = (t_float *)(w[2]);
+    t_float *out = (t_float *)(w[3]);
+    int n = (int)(w[4]);
+	float f, value;
+	float coef = x->x_wrap * M_PI;
+	if (coef < 0.05f) {
+		coef = 0.05f;
+	}
+
+    while (n--)
+    {
+		f = *in++;
+		value = sin(f * coef);
+		*out++ = value;
+    }
+    return (w+5);
+}
+
+static void wavewrap_tilde_dsp(t_wavewrap_tilde *x, t_signal **sp)
+{
+    dsp_add(wavewrap_tilde_perform, 4, x, sp[0]->s_vec, sp[1]->s_vec, sp[0]->s_n);
+}
+
+void wavewrap_tilde_setup(void)
+{
+    wavewrap_tilde_class = class_new(gensym("wavewrap~"), (t_newmethod)wavewrap_tilde_new, 0,
+    	sizeof(t_wavewrap_tilde), 0, A_DEFFLOAT, 0);
+    CLASS_MAINSIGNALIN(wavewrap_tilde_class, t_wavewrap_tilde, x_f);
+    class_addmethod(wavewrap_tilde_class, (t_method)wavewrap_tilde_dsp, gensym("dsp"), 0);
+}
-- 
cgit v1.2.1