From d3af2d2474bfff3a987d54bc58d96c97cea1ec11 Mon Sep 17 00:00:00 2001
From: musil <tmusil@users.sourceforge.net>
Date: Wed, 8 Nov 2006 10:49:48 +0000
Subject: changed sig*.c to *~.c

svn path=/trunk/externals/iemlib/; revision=6230
---
 src/iemlib2/sigm2f.c | 119 ---------------------------------------------------
 1 file changed, 119 deletions(-)
 delete mode 100644 src/iemlib2/sigm2f.c

(limited to 'src/iemlib2/sigm2f.c')

diff --git a/src/iemlib2/sigm2f.c b/src/iemlib2/sigm2f.c
deleted file mode 100644
index e6d3c26..0000000
--- a/src/iemlib2/sigm2f.c
+++ /dev/null
@@ -1,119 +0,0 @@
-/* For information on usage and redistribution, and for a DISCLAIMER OF ALL
-* WARRANTIES, see the file, "LICENSE.txt," in this distribution.
-
-iemlib2 written by Thomas Musil, Copyright (c) IEM KUG Graz Austria 2000 - 2005 */
-
-
-#include "m_pd.h"
-#include "iemlib.h"
-#include <math.h>
-
-/* ----------- m2f~ ----------- */
-/* --------- obsolete --------- */
-
-#define M2FTABSIZE 2048
-
-t_float *iem_m2f_table=(t_float *)0L;
-
-static t_class *sigm2f_class;
-
-typedef struct _sigm2f
-{
-  t_object x_obj;
-  t_float x_msi;
-} t_sigm2f;
-
-static void *sigm2f_new(void)
-{
-  t_sigm2f *x = (t_sigm2f *)pd_new(sigm2f_class);
-  outlet_new(&x->x_obj, gensym("signal"));
-  x->x_msi = 0;
-  return (x);
-}
-
-static t_int *sigm2f_perform(t_int *w)
-{
-  t_float *in = (t_float *)(w[1]);
-  t_float *out = (t_float *)(w[2]);
-  t_sigm2f *x = (t_sigm2f *)(w[3]);
-  int n = (int)(w[4]);
-  t_float *tab = iem_m2f_table, *addr, f1, f2, frac, iinn;
-  double dphase;
-  int normhipart;
-  union tabfudge tf;
-  
-  tf.tf_d = UNITBIT32;
-  normhipart = tf.tf_i[HIOFFSET];
-  
-#if 0       /* this is the readable version of the code. */
-  while (n--)
-  {
-    iinn = (*in++)*10.0+670.0;
-    dphase = (double)iinn + UNITBIT32;
-    tf.tf_d = dphase;
-    addr = tab + (tf.tf_i[HIOFFSET] & (M2FTABSIZE-1));
-    tf.tf_i[HIOFFSET] = normhipart;
-    frac = tf.tf_d - UNITBIT32;
-    f1 = addr[0];
-    f2 = addr[1];
-    *out++ = f1 + frac * (f2 - f1);
-  }
-#endif
-#if 1       /* this is the same, unwrapped by hand. */
-  iinn = (*in++)*10.0+670.0;
-  dphase = (double)iinn + UNITBIT32;
-  tf.tf_d = dphase;
-  addr = tab + (tf.tf_i[HIOFFSET] & (M2FTABSIZE-1));
-  tf.tf_i[HIOFFSET] = normhipart;
-  while (--n)
-  {
-    iinn = (*in++)*10.0+670.0;
-    dphase = (double)iinn + UNITBIT32;
-    frac = tf.tf_d - UNITBIT32;
-    tf.tf_d = dphase;
-    f1 = addr[0];
-    f2 = addr[1];
-    addr = tab + (tf.tf_i[HIOFFSET] & (M2FTABSIZE-1));
-    *out++ = f1 + frac * (f2 - f1);
-    tf.tf_i[HIOFFSET] = normhipart;
-  }
-  frac = tf.tf_d - UNITBIT32;
-  f1 = addr[0];
-  f2 = addr[1];
-  *out++ = f1 + frac * (f2 - f1);
-#endif
-  return (w+5);
-}
-
-static void sigm2f_dsp(t_sigm2f *x, t_signal **sp)
-{
-  dsp_add(sigm2f_perform, 4, sp[0]->s_vec, sp[1]->s_vec, x, sp[0]->s_n);
-}
-
-static void sigm2f_maketable(void)
-{
-  union tabfudge tf;
-  
-  if(!iem_m2f_table)
-  {
-    int i;
-    t_float *fp, midi, refexp=440.0*exp(-5.75*log(2.0));
-    
-    iem_m2f_table = (t_float *)getbytes(sizeof(t_float) * (M2FTABSIZE+1));
-    for(i=0, fp=iem_m2f_table, midi=-67.0; i<=M2FTABSIZE; i++, fp++, midi+=0.1)
-      *fp = refexp * exp(0.057762265047 * midi);
-  }
-  tf.tf_d = UNITBIT32 + 0.5;
-  if((unsigned)tf.tf_i[LOWOFFSET] != 0x80000000)
-    bug("m2f~: unexpected machine alignment");
-}
-
-void sigm2f_setup(void)
-{
-  sigm2f_class = class_new(gensym("m2f~"), (t_newmethod)sigm2f_new, 0,
-    sizeof(t_sigm2f), 0, 0);
-  CLASS_MAINSIGNALIN(sigm2f_class, t_sigm2f, x_msi);
-  class_addmethod(sigm2f_class, (t_method)sigm2f_dsp, gensym("dsp"), 0);
-  sigm2f_maketable();
-  class_sethelpsymbol(sigm2f_class, gensym("iemhelp/help-m2f~"));
-}
-- 
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