1 files changed, 0 insertions, 175 deletions
diff --git a/src/iemlib1/sigiem_cot4.c b/src/iemlib1/sigiem_cot4.c
deleted file mode 100644
index 85bc19a..0000000
--- a/src/iemlib1/sigiem_cot4.c
+++ /dev/null
@@ -1,175 +0,0 @@
-/* For information on usage and redistribution, and for a DISCLAIMER OF ALL
-* WARRANTIES, see the file, "LICENSE.txt," in this distribution.
-
-iemlib1 written by Thomas Musil, Copyright (c) IEM KUG Graz Austria 2000 - 2005 */
-
-#ifdef _MSC_VER
-#pragma warning( disable : 4244 )
-#pragma warning( disable : 4305 )
-#endif
-
-
-#include "m_pd.h"
-#include "iemlib.h"
-#include <math.h>
-#include <stdio.h>
-#include <string.h>
-
-/* ------------------------ iem_cot4~ ----------------------------- */
-
-float *iem_cot4_table_cos=(float *)0L;
-float *iem_cot4_table_sin=(float *)0L;
-
-static t_class *sigiem_cot4_class;
-
-typedef struct _sigiem_cot4
-{
-  t_object  x_obj;
-  float     x_sr;
-  float     x_msi;
-} t_sigiem_cot4;
-
-static t_int *sigiem_cot4_perform(t_int *w)
-{
-  t_float *in = (t_float *)(w[1]);
-  t_float *out = (t_float *)(w[2]);
-  t_float norm_freq;
-  t_float hout;
-  t_sigiem_cot4 *x = (t_sigiem_cot4 *)(w[3]);
-  t_float sr=x->x_sr;
-  int n = (int)(w[4]);
-  float *ctab = iem_cot4_table_cos, *stab = iem_cot4_table_sin;
-  float *caddr, *saddr, cf1, cf2, sf1, sf2, frac;
-  double dphase;
-  int normhipart;
-  int32 mytfi;
-  union tabfudge tf;
-  
-  tf.tf_d = UNITBIT32;
-  normhipart = tf.tf_i[HIOFFSET];
-  
-#if 0     /* this is the readable version of the code. */
-  while (n--)
-  {
-    norm_freq = *in * sr;
-    if(norm_freq < 0.0001f)
-      norm_freq = 0.0001f;
-    else if(norm_freq > 0.9f)
-      norm_freq = 0.9f;
-    dphase = (double)(norm_freq * (float)(COSTABSIZE)) + UNITBIT32;
-    tf.tf_d = dphase;
-    mytfi = tf.tf_i[HIOFFSET] & (COSTABSIZE-1);
-    saddr = stab + (mytfi);
-    caddr = ctab + (mytfi);
-    tf.tf_i[HIOFFSET] = normhipart;
-    frac = tf.tf_d - UNITBIT32;
-    sf1 = saddr[0];
-    sf2 = saddr[1];
-    cf1 = caddr[0];
-    cf2 = caddr[1];
-    in++;
-    *out++ = (cf1 + frac * (cf2 - cf1))/(sf1 + frac * (sf2 - sf1));
-  }
-#endif
-#if 1     /* this is the same, unwrapped by hand. prolog beg*/
-  n /= 4;
-  norm_freq = *in * sr;
-  if(norm_freq < 0.0001f)
-    norm_freq = 0.0001f;
-  else if(norm_freq > 0.9f)
-    norm_freq = 0.9f;
-  dphase = (double)(norm_freq * (float)(COSTABSIZE)) + UNITBIT32;
-  tf.tf_d = dphase;
-  mytfi = tf.tf_i[HIOFFSET] & (COSTABSIZE-1);
-  saddr = stab + (mytfi);
-  caddr = ctab + (mytfi);
-  tf.tf_i[HIOFFSET] = normhipart;   
-  in += 4;                 /*prolog end*/
-  while (--n)
-  {
-    norm_freq = *in * sr;
-    if(norm_freq < 0.0001f)
-      norm_freq = 0.0001f;
-    else if(norm_freq > 0.9f)
-      norm_freq = 0.9f;
-    dphase = (double)(norm_freq * (float)(COSTABSIZE)) + UNITBIT32;
-    frac = tf.tf_d - UNITBIT32;
-    tf.tf_d = dphase;
-    sf1 = saddr[0];
-    sf2 = saddr[1];
-    cf1 = caddr[0];
-    cf2 = caddr[1];
-    mytfi = tf.tf_i[HIOFFSET] & (COSTABSIZE-1);
-    saddr = stab + (mytfi);
-    caddr = ctab + (mytfi);
-    hout = (cf1 + frac * (cf2 - cf1))/(sf1 + frac * (sf2 - sf1));
-    *out++ = hout;
-    *out++ = hout;
-    *out++ = hout;
-    *out++ = hout;
-    in += 4;
-    tf.tf_i[HIOFFSET] = normhipart;
-  }/*epilog beg*/
-  frac = tf.tf_d - UNITBIT32;
-  sf1 = saddr[0];
-  sf2 = saddr[1];
-  cf1 = caddr[0];
-  cf2 = caddr[1];
-  hout = (cf1 + frac * (cf2 - cf1))/(sf1 + frac * (sf2 - sf1));
-  *out++ = hout;
-  *out++ = hout;
-  *out++ = hout;
-  *out++ = hout;
-  /*epilog end*/
-#endif
-  return (w+5);
-}
-
-static void sigiem_cot4_dsp(t_sigiem_cot4 *x, t_signal **sp)
-{
-  x->x_sr = 2.0f / (float)sp[0]->s_sr;
-  dsp_add(sigiem_cot4_perform, 4, sp[0]->s_vec, sp[1]->s_vec, x, sp[0]->s_n);
-}
-
-static void sigiem_cot4_maketable(void)
-{
-  int i;
-  float *fp, phase, fff, phsinc = 0.5*3.141592653 / ((float)COSTABSIZE);
-  union tabfudge tf;
-  
-  if(!iem_cot4_table_sin)
-  {
-    iem_cot4_table_sin = (float *)getbytes(sizeof(float) * (COSTABSIZE+1));
-    for(i=COSTABSIZE+1, fp=iem_cot4_table_sin, phase=0; i--; fp++, phase+=phsinc)
-      *fp = sin(phase);
-  }
-  if(!iem_cot4_table_cos)
-  {
-    iem_cot4_table_cos = (float *)getbytes(sizeof(float) * (COSTABSIZE+1));
-    for(i=COSTABSIZE+1, fp=iem_cot4_table_cos, phase=0; i--; fp++, phase+=phsinc)
-      *fp = cos(phase);
-  }
-  tf.tf_d = UNITBIT32 + 0.5;
-  if((unsigned)tf.tf_i[LOWOFFSET] != 0x80000000)
-    bug("iem_cot4~: unexpected machine alignment");
-}
-
-static void *sigiem_cot4_new(void)
-{
-  t_sigiem_cot4 *x = (t_sigiem_cot4 *)pd_new(sigiem_cot4_class);
-  
-  outlet_new(&x->x_obj, gensym("signal"));
-  x->x_msi = 0;
-  return (x);
-}
-
-void sigiem_cot4_setup(void)
-{
-  sigiem_cot4_class = class_new(gensym("iem_cot4~"), (t_newmethod)sigiem_cot4_new, 0,
-    sizeof(t_sigiem_cot4), 0, 0);
-  class_addcreator((t_newmethod)sigiem_cot4_new, gensym("iem_cot~"), 0);
-  CLASS_MAINSIGNALIN(sigiem_cot4_class, t_sigiem_cot4, x_msi);
-  class_addmethod(sigiem_cot4_class, (t_method)sigiem_cot4_dsp, gensym("dsp"), 0);
-  sigiem_cot4_maketable();
-  class_sethelpsymbol(sigiem_cot4_class, gensym("iemhelp/help-iem_cot4~"));
-}