From 386b0b74b0133acb7caddc0f31f5ebbf255efc00 Mon Sep 17 00:00:00 2001 From: Hans-Christoph Steiner Date: Tue, 10 Nov 2009 01:47:02 +0000 Subject: split out d_math.c into standalone objects svn path=/trunk/; revision=12736 --- externals/vanilla/abs~.c | 48 ++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 48 insertions(+) create mode 100644 externals/vanilla/abs~.c (limited to 'externals/vanilla/abs~.c') diff --git a/externals/vanilla/abs~.c b/externals/vanilla/abs~.c new file mode 100644 index 00000000..b64fae45 --- /dev/null +++ b/externals/vanilla/abs~.c @@ -0,0 +1,48 @@ +/* Copyright (c) 1997-2001 Miller Puckette and others. +* For information on usage and redistribution, and for a DISCLAIMER OF ALL +* WARRANTIES, see the file, "LICENSE.txt," in this distribution. */ + +#include "m_pd.h" +#include + +static t_class *abs_tilde_class; + +typedef struct _abs_tilde +{ + t_object x_obj; + t_float x_f; +} t_abs_tilde; + +static void *abs_tilde_new(t_symbol *s, int argc, t_atom *argv) +{ + t_abs_tilde *x = (t_abs_tilde *)pd_new(abs_tilde_class); + outlet_new(&x->x_obj, &s_signal); + return (x); +} + +t_int *abs_tilde_perform(t_int *w) +{ + t_sample *in1 = (t_sample *)(w[1]); + t_sample *out = (t_sample *)(w[2]); + int n = (int)(w[3]); + while (n--) + { + float f = *in1++; + *out++ = (f >= 0 ? f : -f); + } + return (w+4); +} + +static void abs_tilde_dsp(t_abs_tilde *x, t_signal **sp) +{ + dsp_add(abs_tilde_perform, 3, + sp[0]->s_vec, sp[1]->s_vec, sp[0]->s_n); +} + +static void abs_tilde_setup(void) +{ + abs_tilde_class = class_new(gensym("abs~"), (t_newmethod)abs_tilde_new, 0, + sizeof(t_abs_tilde), 0, 0); + CLASS_MAINSIGNALIN(abs_tilde_class, t_abs_tilde, x_f); + class_addmethod(abs_tilde_class, (t_method)abs_tilde_dsp, gensym("dsp"), 0); +} -- cgit v1.2.1