From f9e3fe480e7e3c448a626d508f1976f4fec2f759 Mon Sep 17 00:00:00 2001
From: Hans-Christoph Steiner <eighthave@users.sourceforge.net>
Date: Tue, 9 Feb 2010 21:05:37 +0000
Subject: convert file layout to libdir style and setup everything with the new
 template Makefile+debian stuff

svn path=/trunk/externals/sigpack/; revision=13153
---
 source/saturate~.c | 83 ------------------------------------------------------
 1 file changed, 83 deletions(-)
 delete mode 100644 source/saturate~.c

(limited to 'source/saturate~.c')

diff --git a/source/saturate~.c b/source/saturate~.c
deleted file mode 100644
index 9438e8e..0000000
--- a/source/saturate~.c
+++ /dev/null
@@ -1,83 +0,0 @@
-/* sIgpAck
- * for
- * pure-data
- * www.weiss-archiv.de */
-
-#include "m_pd.h"
-#include <math.h>
-#ifdef _MSC_VER
-#pragma warning( disable : 4244 )
-#pragma warning( disable : 4305 )
-#endif
-
-/* ------------------------ saturate~ ----------------------------- */
-/* signal soft saturation */
-/* code from www.musicdsp.org posted by bram de jong */
-
-static t_class *saturate_tilde_class;
-
-typedef struct _saturate_tilde
-{
-    t_object x_obj;
-	t_sample x_thresh;
-	float x_f;
-} t_saturate_tilde;
-
-static void *saturate_tilde_new(t_floatarg thresh)
-{
-    t_saturate_tilde *x = (t_saturate_tilde *)pd_new(saturate_tilde_class);
-	x->x_thresh = thresh;
-    outlet_new(&x->x_obj, gensym("signal"));
-	floatinlet_new(&x->x_obj, &x->x_thresh);
-	x->x_f = 0;
-	if(thresh) x->x_thresh = thresh;
-	else x->x_thresh = 1.;
-    return (x);
-}
-
-static float sigmoid(float x)
-{
-	if(fabs(x) < 1)
-		return x * (1.5f - 0.5f * x * x);
-	else
-		return x > 0.f ? 1.f : -1.f;
-}
-
-static t_int *saturate_tilde_perform(t_int *w)
-{
-	t_saturate_tilde *x = (t_saturate_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 t = x->x_thresh;
-    while (n--)
-    {
-		f = *in++;
-		if(fabs(f) < t)
-			value = f;
-		else
-		{
-			if(f > 0.f)
-				value = t + (1.f - t) * sigmoid((f - t)/((1 - t) * 1.5f));
-			else
-				value = -(t + (1.f - t) * sigmoid((-f - t)/((1 - t) * 1.5f)));
-		}
-		*out++ = value;
-    }
-    return (w+5);
-}
-
-static void saturate_tilde_dsp(t_saturate_tilde *x, t_signal **sp)
-{
-    dsp_add(saturate_tilde_perform, 4, x, sp[0]->s_vec, sp[1]->s_vec, sp[0]->s_n);
-}
-
-void saturate_tilde_setup(void)
-{
-    saturate_tilde_class = class_new(gensym("saturate~"), (t_newmethod)saturate_tilde_new, 0,
-    	sizeof(t_saturate_tilde), 0, A_DEFFLOAT, 0);
-    CLASS_MAINSIGNALIN(saturate_tilde_class, t_saturate_tilde, x_f);
-    class_addmethod(saturate_tilde_class, (t_method)saturate_tilde_dsp, gensym("dsp"), 0);
-	class_addmethod(saturate_tilde_class, (t_method)saturate_tilde_dsp, gensym("sigmoid"), A_FLOAT, 0);
-}
-- 
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