From c38056e5242f42c13130bac5ccdc14c86dc91814 Mon Sep 17 00:00:00 2001
From: musil <tmusil@users.sourceforge.net>
Date: Wed, 8 Nov 2006 13:46:14 +0000
Subject: changed sig*.c to *~.c

svn path=/trunk/externals/iemlib/; revision=6232
---
 src/iemlib1/sigiem_sqrt4.c | 116 ---------------------------------------------
 1 file changed, 116 deletions(-)
 delete mode 100644 src/iemlib1/sigiem_sqrt4.c

(limited to 'src/iemlib1/sigiem_sqrt4.c')

diff --git a/src/iemlib1/sigiem_sqrt4.c b/src/iemlib1/sigiem_sqrt4.c
deleted file mode 100644
index f7d0191..0000000
--- a/src/iemlib1/sigiem_sqrt4.c
+++ /dev/null
@@ -1,116 +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>
-
-#define IEMSQRT4TAB1SIZE 256
-#define IEMSQRT4TAB2SIZE 1024
-
-/* ------------------------ iem_sqrt4~ ----------------------------- */
-
-float *iem_sqrt4_exptab=(float *)0L;
-float *iem_sqrt4_mantissatab=(float *)0L;
-
-static t_class *sigiem_sqrt4_class;
-
-typedef struct _sigiem_sqrt4
-{
-  t_object  x_obj;
-  float     x_msi;
-} t_sigiem_sqrt4;
-
-static t_int *sigiem_sqrt4_perform(t_int *w)
-{
-  t_float *in = (t_float *)(w[1]);
-  t_float *out = (t_float *)(w[2]);
-  t_int n = (t_int)(w[3])/4;
-  
-  while(n--)
-  { 
-    float f = *in;
-    float g, h;
-    long l = *(long *)(in);
-    
-    if(f < 0.0f)
-    {
-      *out++ = 0.0f;
-      *out++ = 0.0f;
-      *out++ = 0.0f;
-      *out++ = 0.0f;
-    }
-    else
-    {
-      g = iem_sqrt4_exptab[(l >> 23) & 0xff] * iem_sqrt4_mantissatab[(l >> 13) & 0x3ff];
-      h = f * (1.5f * g - 0.5f * g * g * g * f);
-      *out++ = h;
-      *out++ = h;
-      *out++ = h;
-      *out++ = h;
-    }
-    in += 4;
-  }
-  return(w+4);
-}
-
-static void sigiem_sqrt4_dsp(t_sigiem_sqrt4 *x, t_signal **sp)
-{
-  dsp_add(sigiem_sqrt4_perform, 3, sp[0]->s_vec, sp[1]->s_vec, sp[0]->s_n);
-}
-
-static void sigiem_sqrt4_maketable(void)
-{
-  int i;
-  float f;
-  long l;
-  
-  if(!iem_sqrt4_exptab)
-  {
-    iem_sqrt4_exptab = (float *)getbytes(sizeof(float) * IEMSQRT4TAB1SIZE);
-    for(i=0; i<IEMSQRT4TAB1SIZE; i++)
-    {
-      l = (i ? (i == IEMSQRT4TAB1SIZE-1 ? IEMSQRT4TAB1SIZE-2 : i) : 1)<< 23;
-      *(long *)(&f) = l;
-      iem_sqrt4_exptab[i] = 1.0f/sqrt(f); 
-    }
-  }
-  if(!iem_sqrt4_mantissatab)
-  {
-    iem_sqrt4_mantissatab = (float *)getbytes(sizeof(float) * IEMSQRT4TAB2SIZE);
-    for(i=0; i<IEMSQRT4TAB2SIZE; i++)
-    {
-      f = 1.0f + (1.0f/(float)IEMSQRT4TAB2SIZE) * (float)i;
-      iem_sqrt4_mantissatab[i] = 1.0f/sqrt(f);  
-    }
-  }
-}
-
-static void *sigiem_sqrt4_new(void)
-{
-  t_sigiem_sqrt4 *x = (t_sigiem_sqrt4 *)pd_new(sigiem_sqrt4_class);
-  
-  outlet_new(&x->x_obj, gensym("signal"));
-  x->x_msi = 0;
-  return (x);
-}
-
-void sigiem_sqrt4_setup(void)
-{
-  sigiem_sqrt4_class = class_new(gensym("iem_sqrt4~"), (t_newmethod)sigiem_sqrt4_new, 0,
-    sizeof(t_sigiem_sqrt4), 0, 0);
-  CLASS_MAINSIGNALIN(sigiem_sqrt4_class, t_sigiem_sqrt4, x_msi);
-  class_addmethod(sigiem_sqrt4_class, (t_method)sigiem_sqrt4_dsp, gensym("dsp"), 0);
-  sigiem_sqrt4_maketable();
-  class_sethelpsymbol(sigiem_sqrt4_class, gensym("iemhelp/help-iem_sqrt4~"));
-}
-- 
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