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authorHans-Christoph Steiner <eighthave@users.sourceforge.net>2010-02-10 00:34:05 +0000
committerHans-Christoph Steiner <eighthave@users.sourceforge.net>2010-02-10 00:34:05 +0000
commit086e6b358ad45bda0e6a948cfb7ea2d33ab7da5a (patch)
treeb87b0adfbfd8f9b9439d8bf528b63b64f23dce03 /source/hist.c
parent98e3e1214cf71a62b2de938c9c7e07f6bdd0090c (diff)
re-arranged into libdir and setup with the template Makefile+debian stuff. renabled vv+ and vv- as vvplus and vvminus
svn path=/trunk/externals/smlib/; revision=13158
Diffstat (limited to 'source/hist.c')
-rw-r--r--source/hist.c155
1 files changed, 0 insertions, 155 deletions
diff --git a/source/hist.c b/source/hist.c
deleted file mode 100644
index ba492f2..0000000
--- a/source/hist.c
+++ /dev/null
@@ -1,155 +0,0 @@
-#include "defines.h"
-
-/*--------------- hist ---------------*/
-
-
-static t_class *hist_class;
-
-typedef struct _hist
-{
- t_object x_obj;
- float m_lo;
- float m_hi;
- float m_scale;
- int m_nbins;
- int m_n_observations;
- float *m_hist;
-} t_hist;
-
-
-static void hist_perform_float(t_hist *x, t_float f)
-{
- int j;
- j=(int)(.5+(f-x->m_lo)*x->m_scale);
- j=(j>0)?(j<x->m_nbins?j:x->m_nbins-1):0; // limit without IF
- x->m_hist[j]++;
- x->m_n_observations++;
-}
-
-static void hist_perform_list(t_hist *x, t_symbol *s, int argc, t_atom *argv)
-{
- int i,j;
- for (i = 0; i < argc; i++)
- {
- j=(int)(.5f+(atom_getfloat(&argv[i])-x->m_lo)*x->m_scale);
- j=(j>0)?(j<x->m_nbins?j:x->m_nbins-1):0; // limit without IF
- x->m_hist[j]++;
- }
- x->m_n_observations+=argc;
-}
-
-static void hist_bang(t_hist *x)
-{
- int i,n;
- float *f;
- t_atom *ap,*app;
-
- n=x->m_nbins;
- ap = (t_atom *)getbytes(sizeof(t_atom)*n);
- app=ap;
-
- i=x->m_nbins;
- f=x->m_hist;
-
- while(i--){
- SETFLOAT(app, *f);
- f++;
- app++;
- }
- outlet_list(x->x_obj.ob_outlet,gensym("list"),n,ap);
- freebytes(ap, sizeof(t_atom)*n);
-}
-
-static void hist_relative(t_hist *x)
-{
- int i,n;
- float *f;
- float invn;
- t_atom *ap,*app;
- n=x->m_nbins;
- ap = (t_atom *)getbytes(sizeof(t_atom)*n);
- app=ap;
-
- invn=1.0f/(1e-10f+x->m_n_observations);
-
- i=n;
- f=x->m_hist;
-
- while(i--){
- SETFLOAT(app, (*f*invn));
- f++;
- app++;
- }
- outlet_list(x->x_obj.ob_outlet,gensym("list"),n,ap);
- freebytes(ap, sizeof(t_atom)*n);
-}
-
-static void hist_clear(t_hist *x)
-{
- int i;
- float *f;
- f=x->m_hist;
- for (i=0;i<x->m_nbins;i++)
- *f++=0.0f;
- x->m_n_observations=0;
-}
-
-
-static void hist_set(t_hist *x, t_float lo, t_float hi, t_float nbins)
-{
- if (nbins<1)
- {
- nbins=1;
- post("hist: number of bins is minimum 1...");
- }
- if (hi<=lo)
- {
- post("hist: higher bound must be higher than lower bound...");
- hi=lo+1.0f;
- }
-
- freebytes(x->m_hist, x->m_nbins);
-
- x->m_hi=hi;
- x->m_lo=lo;
- x->m_nbins=(int)nbins;
- x->m_scale=(float)x->m_nbins/(hi-lo);
- x->m_hist = (float*)getbytes(sizeof(float)*x->m_nbins);
-
- hist_clear(x);
-}
-
-static void *hist_new(t_float lo, t_float hi, t_float nbins)
-{
- t_hist *x=(t_hist *)pd_new(hist_class);
- outlet_new(&x->x_obj, gensym("list"));
- x->m_hist=0;
- x->m_nbins=0;
- hist_set(x, lo, hi, nbins);
- return (void *)x;
-}
-
-static void hist_free(t_hist *x)
-{
- freebytes(x->m_hist, x->m_nbins);
-}
-
-void hist_setup(void)
-{
- hist_class = class_new(gensym("hist"),
- (t_newmethod)hist_new, (t_method)hist_free,
- sizeof(t_hist),
- CLASS_DEFAULT,
- A_DEFFLOAT, A_DEFFLOAT, A_DEFFLOAT,0);
-
- class_addmethod(hist_class, (t_method)hist_clear, gensym("clear"),0);
- class_addmethod(hist_class, (t_method)hist_bang, gensym("absolute"),0);
- class_addmethod(hist_class, (t_method)hist_relative, gensym("relative"),0);
-
- class_addmethod(hist_class, (t_method)hist_set, gensym("set"),A_DEFFLOAT, A_DEFFLOAT, A_DEFFLOAT,0);
-
- class_addlist(hist_class, (t_method)hist_perform_list);
- class_addfloat(hist_class, (t_method)hist_perform_float);
- class_addbang(hist_class, (t_method)hist_bang);
-}
-