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authorHans-Christoph Steiner <eighthave@users.sourceforge.net>2010-02-09 21:05:37 +0000
committerHans-Christoph Steiner <eighthave@users.sourceforge.net>2010-02-09 21:05:37 +0000
commitf9e3fe480e7e3c448a626d508f1976f4fec2f759 (patch)
tree4c82fc18ec367525537358a0be41d9be8ab55bad /source/freqdiv~.c
parent10c09b5f8fafb9bf02fd8ad21e7093fb55e14b45 (diff)
convert file layout to libdir style and setup everything with the new template Makefile+debian stuff
svn path=/trunk/externals/sigpack/; revision=13153
Diffstat (limited to 'source/freqdiv~.c')
-rw-r--r--source/freqdiv~.c100
1 files changed, 0 insertions, 100 deletions
diff --git a/source/freqdiv~.c b/source/freqdiv~.c
deleted file mode 100644
index 0155172..0000000
--- a/source/freqdiv~.c
+++ /dev/null
@@ -1,100 +0,0 @@
-/* sIgpAck
- * for
- * pure-data
- * www.weiss-archiv.de */
-
-#include "m_pd.h"
-#include <math.h>
-#ifdef _MSC_VER
-#pragma warning( disable : 4244 )
-#pragma warning( disable : 4305 )
-#endif
-
-/* ------------------------ freqdiv~ ----------------------------- */
-/* frequency divider */
-/* code from swh_plugins by steve harris www.plugins.org.uk */
-
-static t_class *freqdiv_tilde_class;
-
-typedef struct _freqdiv_tilde
-{
- t_object x_obj;
- t_sample x_denominate;
- t_sample x_amp;
- float x_count;
- t_sample x_lamp;
- t_sample x_last;
- t_sample x_out;
- int x_zeroxs;
- float x_f;
-} t_freqdiv_tilde;
-
-static void *freqdiv_tilde_new(t_floatarg denominate)
-{
- t_freqdiv_tilde *x = (t_freqdiv_tilde *)pd_new(freqdiv_tilde_class);
- x->x_denominate = denominate;
- outlet_new(&x->x_obj, gensym("signal"));
- floatinlet_new(&x->x_obj, &x->x_denominate);
- x->x_f = 0;
- x->x_amp = 0;
- x->x_count = 0;
- x->x_lamp = 0;
- x->x_last = 0;
- x->x_out = 0;
- x->x_zeroxs = 0;
- if (denominate) x->x_denominate = denominate;
- else x->x_denominate = 1;
- return (x);
-}
-
-static t_int *freqdiv_tilde_perform(t_int *w)
-{
- t_freqdiv_tilde *x = (t_freqdiv_tilde *)(w[1]);
- t_float *in = (t_float *)(w[2]);
- t_float *out = (t_float *)(w[3]);
- int n = (int)(w[4]);
- float f;
- int den = (int)x->x_denominate;
- while (n--)
- {
- f = *in++;
- x->x_count += 1.0f;
- if ((f > 0.0f && x->x_last <= 0.0f) || (f < 0.0f && x->x_last >= 0.0))
- {
- x->x_zeroxs++;
- if (den == 1)
- {
- x->x_out = x->x_out > 0.0f ? -1.0f : 1.0f;
- x->x_lamp = x->x_amp / x->x_count;
- x->x_zeroxs = 0;
- x->x_count = 0;
- x->x_amp = 0;
- }
- }
- x->x_amp += fabs(f);
- if (den > 1 && (x->x_zeroxs % den) == den-1)
- {
- x->x_out = x->x_out > 0.0f ? -1.0f : 1.0f;
- x->x_lamp = x->x_amp / x->x_count;
- x->x_zeroxs = 0;
- x->x_count = 0;
- x->x_amp = 0;
- }
- x->x_last = f;
- *out++ = x->x_out * x->x_lamp;
- }
- return (w+5);
-}
-
-static void freqdiv_tilde_dsp(t_freqdiv_tilde *x, t_signal **sp)
-{
- dsp_add(freqdiv_tilde_perform, 4, x, sp[0]->s_vec, sp[1]->s_vec, sp[0]->s_n);
-}
-
-void freqdiv_tilde_setup(void)
-{
- freqdiv_tilde_class = class_new(gensym("freqdiv~"), (t_newmethod)freqdiv_tilde_new, 0,
- sizeof(t_freqdiv_tilde), 0, A_DEFFLOAT, 0);
- CLASS_MAINSIGNALIN(freqdiv_tilde_class, t_freqdiv_tilde, x_f);
- class_addmethod(freqdiv_tilde_class, (t_method)freqdiv_tilde_dsp, gensym("dsp"), 0);
-}