[PD-cvs] externals/zexy/src absgn~.c, NONE, 1.1 z_zexy.c, 1.5, 1.6 z_zexy.h, 1.5, 1.6

IOhannes m zmölnig zmoelnig at users.sourceforge.net
Thu Jan 5 12:53:26 CET 2006


Update of /cvsroot/pure-data/externals/zexy/src
In directory sc8-pr-cvs1.sourceforge.net:/tmp/cvs-serv30140/src

Modified Files:
	z_zexy.c z_zexy.h 
Added Files:
	absgn~.c 
Log Message:
added [absgn~] as external (written by tim blechmann) and abstraction
the main purpose of this external is speed


Index: z_zexy.h
===================================================================
RCS file: /cvsroot/pure-data/externals/zexy/src/z_zexy.h,v
retrieving revision 1.5
retrieving revision 1.6
diff -C2 -d -r1.5 -r1.6
*** z_zexy.h	21 Dec 2005 17:05:47 -0000	1.5
--- z_zexy.h	5 Jan 2006 11:53:24 -0000	1.6
***************
*** 7,10 ****
--- 7,11 ----
  #define Z_ZEXY_H__
  void z_a2l_setup(void); /* a2l.c */
+ void z_absgn__setup(void); /* absgn~.c */
  void z_abs__setup(void); /* abs~.c */
  void z_atoi_setup(void); /* atoi.c */
***************
*** 13,18 ****
  void z_blockswap__setup(void); /* blockswap~.c */
  void z_date_setup(void); /* date.c */
- void z_demultiplex__setup(void); /* demultiplex~.c */
  void z_demultiplex_setup(void); /* demultiplex.c */
  void z_dfreq__setup(void); /* dfreq~.c */
  void z_dirac__setup(void); /* dirac~.c */
--- 14,19 ----
  void z_blockswap__setup(void); /* blockswap~.c */
  void z_date_setup(void); /* date.c */
  void z_demultiplex_setup(void); /* demultiplex.c */
+ void z_demultiplex__setup(void); /* demultiplex~.c */
  void z_dfreq__setup(void); /* dfreq~.c */
  void z_dirac__setup(void); /* dirac~.c */
***************
*** 35,46 ****
  void z_msgfile_setup(void); /* msgfile.c */
  void z_multiline__setup(void); /* multiline~.c */
- void z_multiplex__setup(void); /* multiplex~.c */
  void z_multiplex_setup(void); /* multiplex.c */
  void z_niagara_setup(void); /* niagara.c */
  void z_noish__setup(void); /* noish~.c */
  void z_noisi__setup(void); /* noisi~.c */
  void z_operating_system_setup(void); /* operating_system.c */
- void z_pack__setup(void); /* pack~.c */
  void z_packel_setup(void); /* packel.c */
  void z_pdf__setup(void); /* pdf~.c */
  void z_prime_setup(void); /* prime.c */
--- 36,47 ----
  void z_msgfile_setup(void); /* msgfile.c */
  void z_multiline__setup(void); /* multiline~.c */
  void z_multiplex_setup(void); /* multiplex.c */
+ void z_multiplex__setup(void); /* multiplex~.c */
  void z_niagara_setup(void); /* niagara.c */
  void z_noish__setup(void); /* noish~.c */
  void z_noisi__setup(void); /* noisi~.c */
  void z_operating_system_setup(void); /* operating_system.c */
  void z_packel_setup(void); /* packel.c */
+ void z_pack__setup(void); /* pack~.c */
  void z_pdf__setup(void); /* pdf~.c */
  void z_prime_setup(void); /* prime.c */
***************
*** 69,74 ****
  void z_winNT_portio_setup(void); /* winNT_portio.c */
  void z_wrap_setup(void); /* wrap.c */
- void z_z__setup(void); /* z~.c */
  void z_z_sigbin_setup(void); /* z_sigbin.c */
  #endif /* Z_ZEXY_H__ */
  
--- 70,75 ----
  void z_winNT_portio_setup(void); /* winNT_portio.c */
  void z_wrap_setup(void); /* wrap.c */
  void z_z_sigbin_setup(void); /* z_sigbin.c */
+ void z_z__setup(void); /* z~.c */
  #endif /* Z_ZEXY_H__ */
  

Index: z_zexy.c
===================================================================
RCS file: /cvsroot/pure-data/externals/zexy/src/z_zexy.c,v
retrieving revision 1.5
retrieving revision 1.6
diff -C2 -d -r1.5 -r1.6
*** z_zexy.c	21 Dec 2005 17:05:47 -0000	1.5
--- z_zexy.c	5 Jan 2006 11:53:24 -0000	1.6
***************
*** 9,12 ****
--- 9,13 ----
  {
  	z_a2l_setup(); /* a2l.c */
+ 	z_absgn__setup(); /* absgn~.c */
  	z_abs__setup(); /* abs~.c */
  	z_atoi_setup(); /* atoi.c */
***************
*** 15,20 ****
  	z_blockswap__setup(); /* blockswap~.c */
  	z_date_setup(); /* date.c */
- 	z_demultiplex__setup(); /* demultiplex~.c */
  	z_demultiplex_setup(); /* demultiplex.c */
  	z_dfreq__setup(); /* dfreq~.c */
  	z_dirac__setup(); /* dirac~.c */
--- 16,21 ----
  	z_blockswap__setup(); /* blockswap~.c */
  	z_date_setup(); /* date.c */
  	z_demultiplex_setup(); /* demultiplex.c */
+ 	z_demultiplex__setup(); /* demultiplex~.c */
  	z_dfreq__setup(); /* dfreq~.c */
  	z_dirac__setup(); /* dirac~.c */
***************
*** 37,48 ****
  	z_msgfile_setup(); /* msgfile.c */
  	z_multiline__setup(); /* multiline~.c */
- 	z_multiplex__setup(); /* multiplex~.c */
  	z_multiplex_setup(); /* multiplex.c */
  	z_niagara_setup(); /* niagara.c */
  	z_noish__setup(); /* noish~.c */
  	z_noisi__setup(); /* noisi~.c */
  	z_operating_system_setup(); /* operating_system.c */
- 	z_pack__setup(); /* pack~.c */
  	z_packel_setup(); /* packel.c */
  	z_pdf__setup(); /* pdf~.c */
  	z_prime_setup(); /* prime.c */
--- 38,49 ----
  	z_msgfile_setup(); /* msgfile.c */
  	z_multiline__setup(); /* multiline~.c */
  	z_multiplex_setup(); /* multiplex.c */
+ 	z_multiplex__setup(); /* multiplex~.c */
  	z_niagara_setup(); /* niagara.c */
  	z_noish__setup(); /* noish~.c */
  	z_noisi__setup(); /* noisi~.c */
  	z_operating_system_setup(); /* operating_system.c */
  	z_packel_setup(); /* packel.c */
+ 	z_pack__setup(); /* pack~.c */
  	z_pdf__setup(); /* pdf~.c */
  	z_prime_setup(); /* prime.c */
***************
*** 71,76 ****
  	z_winNT_portio_setup(); /* winNT_portio.c */
  	z_wrap_setup(); /* wrap.c */
- 	z_z__setup(); /* z~.c */
  	z_z_sigbin_setup(); /* z_sigbin.c */
  }
  
--- 72,77 ----
  	z_winNT_portio_setup(); /* winNT_portio.c */
  	z_wrap_setup(); /* wrap.c */
  	z_z_sigbin_setup(); /* z_sigbin.c */
+ 	z_z__setup(); /* z~.c */
  }
  

--- NEW FILE: absgn~.c ---
/******************************************************
 *
 * zexy - implementation file
 *
 * (c) 2006 Tim Blechmann
 *
 *
 ******************************************************
 *
 * license: GNU General Public License v.2
 *
 ******************************************************/

#include "zexy.h"

typedef struct _absgn
{
  t_object x_obj;
  float x_f;
} t_absgn;


/* ------------------------ sigABSGN~ ----------------------------- */

static t_class *sigABSGN_class;

static t_int *sigABSGN_perform(t_int *w)
{
  t_float *in = (t_float *)(w[1]);
  t_float *out = (t_float *)(w[2]);
  t_float *out2 = (t_float *)(w[3]);
  int n = (int)(w[4]);
  
  while (n--)
  {
      t_float val = *in++;
      *out++ = fabsf(val);

      if (val>0.) *out2++=1.;
      else if (val<0.) *out2++=-1.;
      else *out2++=0.;
  }

  
  return (w+5);
}

#ifdef __SSE__
static long l_bitmask[]   ={0x7fffffff, 0x7fffffff, 0x7fffffff, 0x7fffffff};
static long l_sgnbitmask[]={0x80000000, 0x80000000, 0x80000000, 0x80000000};
static t_int *sigABSGN_performSSE(t_int *w)
{
  __m128 *in = (__m128 *)(w[1]);
  __m128 *out1 = (__m128 *)(w[2]);
  __m128 *out2 = (__m128 *)(w[3]);
  int n = (int)(w[4])>>3;
  
  const __m128 bitmask= _mm_loadu_ps((float*)l_bitmask);
  const __m128 sgnmask= _mm_loadu_ps((float*)l_sgnbitmask);
  const __m128 zero   = _mm_setzero_ps();
  const __m128 one    = _mm_set1_ps(1.f);
  
  do {
    __m128 val, val2, xmm0, xmm1, xmm2, xmm3;  
    val=in[0];
    xmm0   = _mm_cmpneq_ps(val, zero);   /* mask for non-zeros */
    xmm1   = _mm_and_ps   (val, sgnmask);/* sign (without value) */
    xmm0   = _mm_and_ps   (xmm0, one);   /* (abs) value: (val==0.f)?0.f:1.f */
    out1[0]= _mm_and_ps   (val, bitmask);/* abs: set sign-bit to "+" */
    out2[0]= _mm_or_ps    (xmm1, xmm0);  /* merge sign and value */

    val2=in[1];
    xmm2   = _mm_cmpneq_ps(val2, zero);   /* mask for non-zeros */
    xmm3   = _mm_and_ps   (val2, sgnmask);/* sign (without value) */
    xmm2   = _mm_and_ps   (xmm2, one);    /* (abs) value: (val==0.f)?0.f:1.f */
    out1[1]= _mm_and_ps   (val2, bitmask);/* abs: set sign-bit to "+" */
    out2[1]= _mm_or_ps    (xmm3, xmm2);   /* merge sign and value */

    in +=2;
    out+=2;
    out2+=2;
  }
  while (--n);

  return (w+5);
}
#endif /* __SSE__ */

static void sigABSGN_dsp(t_absgn *x, t_signal **sp)
{
#ifdef __SSE__
  if(
     Z_SIMD_CHKBLOCKSIZE(sp[0]->s_n)&&
     Z_SIMD_CHKALIGN(sp[0]->s_vec)&&
     Z_SIMD_CHKALIGN(sp[1]->s_vec)&&
     Z_SIMD_CHKALIGN(sp[2]->s_vec)
     )
    {
      dsp_add(sigABSGN_performSSE, 4, sp[0]->s_vec, sp[1]->s_vec, sp[2]->s_vec, sp[0]->s_n);
    } else
#endif
    {
      dsp_add(sigABSGN_perform, 4, sp[0]->s_vec, sp[1]->s_vec, sp[2]->s_vec, sp[0]->s_n);
    }
}

static void sigABSGN_helper(void)
{
  post("\n%c absgn~ \t\t:: absolute value and sign of a signal", HEARTSYMBOL);
  post("         \t\t   copyright (c) Tim Blechmann 2006");
}

static void *sigABSGN_new(void)
{
  t_absgn *x = (t_absgn *)pd_new(sigABSGN_class);
  x->x_f=0.f;

  outlet_new(&x->x_obj, gensym("signal"));
  outlet_new(&x->x_obj, gensym("signal"));

  return (x);
}

void absgn_tilde_setup(void)
{
  sigABSGN_class = class_new(gensym("absgn~"), (t_newmethod)sigABSGN_new, 0,
			   sizeof(t_absgn), 0, A_DEFFLOAT, 0);
  CLASS_MAINSIGNALIN(sigABSGN_class, t_absgn, x_f);
  class_addmethod(sigABSGN_class, (t_method)sigABSGN_dsp, gensym("dsp"), 0);
  
  class_addmethod(sigABSGN_class, (t_method)sigABSGN_helper, gensym("help"), 0);
  class_sethelpsymbol(sigABSGN_class, gensym("zexy/sigbinops+"));

  zexy_register("absgn~");
}

void z_absgn__setup(void)
{
  absgn_tilde_setup();
}





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