From f9e3fe480e7e3c448a626d508f1976f4fec2f759 Mon Sep 17 00:00:00 2001 From: Hans-Christoph Steiner Date: Tue, 9 Feb 2010 21:05:37 +0000 Subject: convert file layout to libdir style and setup everything with the new template Makefile+debian stuff svn path=/trunk/externals/sigpack/; revision=13153 --- rectify~.c | 61 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 61 insertions(+) create mode 100644 rectify~.c (limited to 'rectify~.c') diff --git a/rectify~.c b/rectify~.c new file mode 100644 index 0000000..4e5c3eb --- /dev/null +++ b/rectify~.c @@ -0,0 +1,61 @@ +/* sIgpAck + * for + * pure-data + * www.weiss-archiv.de */ + +#include "m_pd.h" +#ifdef _MSC_VER +#pragma warning( disable : 4244 ) +#pragma warning( disable : 4305 ) +#endif + +/* ------------------------ rectify~ ----------------------------- */ +/* flips negative signal values to positive */ + +static t_class *rectify_tilde_class; + +typedef struct _rectify_tilde +{ + t_object x_obj; + float x_f; +} t_rectify_tilde; + +static void *rectify_tilde_new(void) +{ + t_rectify_tilde *x = (t_rectify_tilde *)pd_new(rectify_tilde_class); + outlet_new(&x->x_obj, gensym("signal")); + x->x_f = 0; + return (x); +} + +static t_int *rectify_tilde_perform(t_int *w) +{ + t_rectify_tilde *x = (t_rectify_tilde *)(w[1]); + t_float *in = (t_float *)(w[2]); + t_float *out = (t_float *)(w[3]); + int n = (int)(w[4]); + float f, value; + while (n--) + { + f = *in++; + if (f < 0) + value = f * -1; + else + value = f; + *out++ = value; + } + return (w+5); +} + +static void rectify_tilde_dsp(t_rectify_tilde *x, t_signal **sp) +{ + dsp_add(rectify_tilde_perform, 4, x, sp[0]->s_vec, sp[1]->s_vec, sp[0]->s_n); +} + +void rectify_tilde_setup(void) +{ + rectify_tilde_class = class_new(gensym("rectify~"), (t_newmethod)rectify_tilde_new, 0, + sizeof(t_rectify_tilde), 0, A_DEFFLOAT, 0); + CLASS_MAINSIGNALIN(rectify_tilde_class, t_rectify_tilde, x_f); + class_addmethod(rectify_tilde_class, (t_method)rectify_tilde_dsp, gensym("dsp"), 0); +} -- cgit v1.2.1