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-rw-r--r--desiredata/doc/6.externs/dspobj~.c67
1 files changed, 0 insertions, 67 deletions
diff --git a/desiredata/doc/6.externs/dspobj~.c b/desiredata/doc/6.externs/dspobj~.c
deleted file mode 100644
index 5c3fa86b..00000000
--- a/desiredata/doc/6.externs/dspobj~.c
+++ /dev/null
@@ -1,67 +0,0 @@
-#include "m_pd.h"
-#ifdef NT
-#pragma warning( disable : 4244 )
-#pragma warning( disable : 4305 )
-#endif
-
-/* ------------------------ dspobj~ ----------------------------- */
-
-/* tilde object to take absolute value. */
-
-static t_class *dspobj_class;
-
-typedef struct _dspobj
-{
- t_object x_obj; /* obligatory header */
- t_float x_f; /* place to hold inlet's value if it's set by message */
-} t_dspobj;
-
- /* this is the actual performance routine which acts on the samples.
- It's called with a single pointer "w" which is our location in the
- DSP call list. We return a new "w" which will point to the next item
- after us. Meanwhile, w[0] is just a pointer to dsp-perform itself
- (no use to us), w[1] and w[2] are the input and output vector locations,
- and w[3] is the number of points to calculate. */
-static t_int *dspobj_perform(t_int *w)
-{
- t_float *in = (t_float *)(w[1]);
- t_float *out = (t_float *)(w[2]);
- int n = (int)(w[3]);
- while (n--)
- {
- float f = *(in++);
- *out++ = (f > 0 ? f : -f);
- }
- return (w+4);
-}
-
- /* called to start DSP. Here we call Pd back to add our perform
- routine to a linear callback list which Pd in turn calls to grind
- out the samples. */
-static void dspobj_dsp(t_dspobj *x, t_signal **sp)
-{
- dsp_add(dspobj_perform, 3, sp[0]->s_vec, sp[1]->s_vec, sp[0]->s_n);
-}
-
-static void *dspobj_new(void)
-{
- t_dspobj *x = (t_dspobj *)pd_new(dspobj_class);
- outlet_new(&x->x_obj, gensym("signal"));
- x->x_f = 0;
- return (x);
-}
-
- /* this routine, which must have exactly this name (with the "~" replaced
- by "_tilde) is called when the code is first loaded, and tells Pd how
- to build the "class". */
-void dspobj_tilde_setup(void)
-{
- dspobj_class = class_new(gensym("dspobj~"), (t_newmethod)dspobj_new, 0,
- sizeof(t_dspobj), 0, A_DEFFLOAT, 0);
- /* this is magic to declare that the leftmost, "main" inlet
- takes signals; other signal inlets are done differently... */
- CLASS_MAINSIGNALIN(dspobj_class, t_dspobj, x_f);
- /* here we tell Pd about the "dsp" method, which is called back
- when DSP is turned on. */
- class_addmethod(dspobj_class, (t_method)dspobj_dsp, gensym("dsp"), 0);
-}