1 files changed, 122 insertions, 0 deletions

diff --git a/apps/plugins/pdbox/PDa/intern/cos~.c b/apps/plugins/pdbox/PDa/intern/cos~.c
new file mode 100644
index 0000000000..30ec4e49a7
--- /dev/null
+++ b/apps/plugins/pdbox/PDa/intern/cos~.c
@@ -0,0 +1,122 @@
+
+#include <m_pd.h>
+#include <m_fixed.h>
+#include "cos_table.h"
+
+/* ------------------------ cos~ ----------------------------- */
+#define FRAC ((1<<(fix1-ILOGCOSTABSIZE))-1)
+
+static t_class *cos_class;
+
+typedef struct _cos
+{
+    t_object x_obj;
+    float x_f;
+} t_cos;
+
+static void *cos_new(void)
+{
+    t_cos *x = (t_cos *)pd_new(cos_class);
+    outlet_new(&x->x_obj, gensym("signal"));
+    x->x_f = 0;
+    return (x);
+}
+
+static t_int *cos_perform(t_int *w)
+{
+    t_sample *in = (t_sample *)(w[1]);
+    t_sample *out = (t_sample *)(w[2]);
+    int n = (int)(w[3]);
+    t_sample *tab = cos_table;
+    int off;
+    int frac;
+    unsigned int phase;
+
+    while (n--) {
+         phase = *in++;
+         phase &= ((1<<fix1)-1);
+         off =  fixtoi((long long)phase<<ILOGCOSTABSIZE);
+
+         frac = phase&(itofix(1)-1);
+         *out = mult(*(tab + off),itofix(1) - frac) + 
+              mult(*(tab + off + 1),frac);
+         out++;
+    }
+    return (w+4);
+}
+
+static void cos_dsp(t_cos *x, t_signal **sp)
+{
+    dsp_add(cos_perform, 3, sp[0]->s_vec, sp[1]->s_vec, sp[0]->s_n);
+}
+
+
+void cos_tilde_setup(void)
+{
+    cos_class = class_new(gensym("cos~"), (t_newmethod)cos_new, 0,
+        sizeof(t_cos), 0, A_DEFFLOAT, 0);
+    CLASS_MAINSIGNALIN(cos_class, t_cos, x_f);
+    class_addmethod(cos_class, (t_method)cos_dsp, gensym("dsp"), 0);
+    class_sethelpsymbol(cos_class, gensym("osc~-help.pd"));
+}
+
+#include <m_pd.h>
+#include <m_fixed.h>
+#include "cos_table.h"
+
+/* ------------------------ cos~ ----------------------------- */
+#define FRAC ((1<<(fix1-ILOGCOSTABSIZE))-1)
+
+static t_class *cos_class;
+
+typedef struct _cos
+{
+    t_object x_obj;
+    float x_f;
+} t_cos;
+
+static void *cos_new(void)
+{
+    t_cos *x = (t_cos *)pd_new(cos_class);
+    outlet_new(&x->x_obj, gensym("signal"));
+    x->x_f = 0;
+    return (x);
+}
+
+static t_int *cos_perform(t_int *w)
+{
+    t_sample *in = (t_sample *)(w[1]);
+    t_sample *out = (t_sample *)(w[2]);
+    int n = (int)(w[3]);
+    t_sample *tab = cos_table;
+    int off;
+    int frac;
+    unsigned int phase;
+
+    while (n--) {
+         phase = *in++;
+         phase &= ((1<<fix1)-1);
+         off =  fixtoi((long long)phase<<ILOGCOSTABSIZE);
+
+         frac = phase&(itofix(1)-1);
+         *out = mult(*(tab + off),itofix(1) - frac) + 
+              mult(*(tab + off + 1),frac);
+         out++;
+    }
+    return (w+4);
+}
+
+static void cos_dsp(t_cos *x, t_signal **sp)
+{
+    dsp_add(cos_perform, 3, sp[0]->s_vec, sp[1]->s_vec, sp[0]->s_n);
+}
+
+
+void cos_tilde_setup(void)
+{
+    cos_class = class_new(gensym("cos~"), (t_newmethod)cos_new, 0,
+        sizeof(t_cos), 0, A_DEFFLOAT, 0);
+    CLASS_MAINSIGNALIN(cos_class, t_cos, x_f);
+    class_addmethod(cos_class, (t_method)cos_dsp, gensym("dsp"), 0);
+    class_sethelpsymbol(cos_class, gensym("osc~-help.pd"));
+}