text: #ifdef ROCKBOX
  #include "plugin.h"
  #include "../../pdbox.h"
  #endif
  
  #include "../src/m_pd.h"
  #include "../src/m_fixed.h"
  
  typedef struct ftom_tilde
  {
      t_object x_obj;
      float x_f;
  } t_ftom_tilde;
  
  t_class *ftom_tilde_class;
  
  static void *ftom_tilde_new(void)
  {
      t_ftom_tilde *x = (t_ftom_tilde *)pd_new(ftom_tilde_class);
      outlet_new(&x->x_obj, gensym("signal"));
      x->x_f = 0;
      return (x);
  }
  
  static t_int *ftom_tilde_perform(t_int *w)
  {
  #ifdef ROCKBOX
      t_sample *in = *(t_sample **)(w+1), *out = (t_sample*)*(t_float **)(w+2);
  #else
      t_sample *in = *(t_sample **)(w+1), *out = *(t_float **)(w+2);
  #endif
      t_int n = *(t_int *)(w+3);
      for (; n--; in++, out++)
      {
      	t_sample f = *in;
  	*out = ftofix((fixtof(f) > 0 ? 17.3123405046 * log(.12231220585 * fixtof(f)) : -1500));
      }
      return (w + 4);
  }
  
  static void ftom_tilde_dsp(t_ftom_tilde *x, t_signal **sp)
  {
  #ifdef ROCKBOX
      (void) x;
  #endif
      post("warning: %s not usable yet",__FUNCTION__);
      dsp_add(ftom_tilde_perform, 3, sp[0]->s_vec, sp[1]->s_vec, sp[0]->s_n);
  }
  
  void ftom_tilde_setup(void)
  {
      ftom_tilde_class = class_new(gensym("ftom~"), (t_newmethod)ftom_tilde_new, 0,
      	sizeof(t_ftom_tilde), 0, 0);
      CLASS_MAINSIGNALIN(ftom_tilde_class, t_ftom_tilde, x_f);
      class_addmethod(ftom_tilde_class, (t_method)ftom_tilde_dsp, gensym("dsp"), 0);
  }
  
  