// class_sethelpsymbol();

changed help-*.pd to *-help.pd
chanded file structure to standard
1st step remove old

svn path=/trunk/externals/iemlib/; revision=6756

1 files changed, 0 insertions, 176 deletions

diff --git a/src/iemlib2/fade~.c b/src/iemlib2/fade~.c
deleted file mode 100644
index 3a2c91b..0000000
--- a/src/iemlib2/fade~.c
+++ /dev/null
@@ -1,176 +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>
-
-/* ------------------------- fade~ ----------------------------- */
-/* --- signal lookup tabel object with input range of 0 to 1 --- */
-/* ---- converts a linear signal ramp to the half of a :  ------ */
-/* -- sine-wave, hanning-wave, squareroot-wave or mixes of it -- */
-
-t_float *iem_fade_tilde_table_lin=(t_float *)0L;
-t_float *iem_fade_tilde_table_linsqrt=(t_float *)0L;
-t_float *iem_fade_tilde_table_sqrt=(t_float *)0L;
-t_float *iem_fade_tilde_table_sin=(t_float *)0L;
-t_float *iem_fade_tilde_table_sinhann=(t_float *)0L;
-t_float *iem_fade_tilde_table_hann=(t_float *)0L;
-
-static t_class *fade_tilde_class;
-
-typedef struct _fade_tilde
-{
-  t_object x_obj;
-  t_float *x_table;
-  t_float x_f;
-} t_fade_tilde;
-
-static void fade_tilde_set(t_fade_tilde *x, t_symbol *s)
-{
-  if(s == gensym("_lin"))
-    x->x_table = iem_fade_tilde_table_lin;
-  else if(s == gensym("_linsqrt"))
-    x->x_table = iem_fade_tilde_table_linsqrt;
-  else if(s == gensym("_sqrt"))
-    x->x_table = iem_fade_tilde_table_sqrt;
-  else if(s == gensym("_sin"))
-    x->x_table = iem_fade_tilde_table_sin;
-  else if(s == gensym("_sinhann"))
-    x->x_table = iem_fade_tilde_table_sinhann;
-  else if(s == gensym("_hann"))
-    x->x_table = iem_fade_tilde_table_hann;
-}
-
-static void *fade_tilde_new(t_symbol *s)
-{
-  t_fade_tilde *x = (t_fade_tilde *)pd_new(fade_tilde_class);
-  outlet_new(&x->x_obj, gensym("signal"));
-  x->x_f = 0;
-  x->x_table = iem_fade_tilde_table_lin;
-  fade_tilde_set(x, s);
-  return (x);
-}
-
-static t_int *fade_tilde_perform(t_int *w)
-{
-  t_float *in = (t_float *)(w[1]);
-  t_float *out = (t_float *)(w[2]);
-  t_fade_tilde *x = (t_fade_tilde *)(w[3]);
-  int n = (int)(w[4]);
-  t_float *tab = x->x_table, *addr, f1, f2, frac;
-  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--)
-  {
-    dphase = (double)(*in++ * (t_float)(COSTABSIZE) * 0.99999) + UNITBIT32;
-    tf.tf_d = dphase;
-    addr = tab + (tf.tf_i[HIOFFSET] & (COSTABSIZE-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. */
-  dphase = (double)(*in++ * (t_float)(COSTABSIZE) * 0.99999) + UNITBIT32;
-  tf.tf_d = dphase;
-  addr = tab + (tf.tf_i[HIOFFSET] & (COSTABSIZE-1));
-  tf.tf_i[HIOFFSET] = normhipart;
-  while (--n)
-  {
-    dphase = (double)(*in++ * (t_float)(COSTABSIZE) * 0.99999) + UNITBIT32;
-    frac = tf.tf_d - UNITBIT32;
-    tf.tf_d = dphase;
-    f1 = addr[0];
-    f2 = addr[1];
-    addr = tab + (tf.tf_i[HIOFFSET] & (COSTABSIZE-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 fade_tilde_dsp(t_fade_tilde *x, t_signal **sp)
-{
-  dsp_add(fade_tilde_perform, 4, sp[0]->s_vec, sp[1]->s_vec, x, sp[0]->s_n);
-}
-
-static void fade_tilde_maketable(void)
-{
-  int i;
-  t_float *fp, phase, fff,phsinc = 0.5*3.141592653 / ((t_float)COSTABSIZE*0.99999);
-  union tabfudge tf;
-  
-  if(!iem_fade_tilde_table_sin)
-  {
-    iem_fade_tilde_table_sin = (t_float *)getbytes(sizeof(t_float) * (COSTABSIZE+1));
-    for(i=COSTABSIZE+1, fp=iem_fade_tilde_table_sin, phase=0; i--; fp++, phase+=phsinc)
-      *fp = sin(phase);
-  }
-  if(!iem_fade_tilde_table_sinhann)
-  {
-    iem_fade_tilde_table_sinhann = (t_float *)getbytes(sizeof(t_float) * (COSTABSIZE+1));
-    for(i=COSTABSIZE+1, fp=iem_fade_tilde_table_sinhann, phase=0; i--; fp++, phase+=phsinc)
-    {
-      fff = sin(phase);
-      *fp = fff*sqrt(fff);
-    }
-  }
-  if(!iem_fade_tilde_table_hann)
-  {
-    iem_fade_tilde_table_hann = (t_float *)getbytes(sizeof(t_float) * (COSTABSIZE+1));
-    for(i=COSTABSIZE+1, fp=iem_fade_tilde_table_hann, phase=0; i--; fp++, phase+=phsinc)
-    {
-      fff = sin(phase);
-      *fp = fff*fff;
-    }
-  }
-  phsinc = 1.0 / ((t_float)COSTABSIZE*0.99999);
-  if(!iem_fade_tilde_table_lin)
-  {
-    iem_fade_tilde_table_lin = (t_float *)getbytes(sizeof(t_float) * (COSTABSIZE+1));
-    for(i=COSTABSIZE+1, fp=iem_fade_tilde_table_lin, phase=0; i--; fp++, phase+=phsinc)
-      *fp = phase;
-  }
-  if(!iem_fade_tilde_table_linsqrt)
-  {
-    iem_fade_tilde_table_linsqrt = (t_float *)getbytes(sizeof(t_float) * (COSTABSIZE+1));
-    for(i=COSTABSIZE+1, fp=iem_fade_tilde_table_linsqrt, phase=0; i--; fp++, phase+=phsinc)
-      *fp = pow(phase, 0.75);
-  }
-  if(!iem_fade_tilde_table_sqrt)
-  {
-    iem_fade_tilde_table_sqrt = (t_float *)getbytes(sizeof(t_float) * (COSTABSIZE+1));
-    for(i=COSTABSIZE+1, fp=iem_fade_tilde_table_sqrt, phase=0; i--; fp++, phase+=phsinc)
-      *fp = sqrt(phase);
-  }
-  tf.tf_d = UNITBIT32 + 0.5;
-  if((unsigned)tf.tf_i[LOWOFFSET] != 0x80000000)
-    bug("fade~: unexpected machine alignment");
-}
-
-void fade_tilde_setup(void)
-{
-  fade_tilde_class = class_new(gensym("fade~"), (t_newmethod)fade_tilde_new, 0,
-    sizeof(t_fade_tilde), 0, A_DEFSYM, 0);
-  CLASS_MAINSIGNALIN(fade_tilde_class, t_fade_tilde, x_f);
-  class_addmethod(fade_tilde_class, (t_method)fade_tilde_dsp, gensym("dsp"), 0);
-  class_addmethod(fade_tilde_class, (t_method)fade_tilde_set, gensym("set"), A_DEFSYM, 0);
-  class_sethelpsymbol(fade_tilde_class, gensym("iemhelp/help-fade~"));
-  fade_tilde_maketable();
-}