From faada59567f8cb252f4a909116595ce309ff5828 Mon Sep 17 00:00:00 2001 From: "N.N." Date: Fri, 23 May 2003 12:29:55 +0000 Subject: This commit was generated by cvs2svn to compensate for changes in r647, which included commits to RCS files with non-trunk default branches. svn path=/trunk/externals/miXed/; revision=648 --- cyclone/sickle/asinh.c | 48 ++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 48 insertions(+) create mode 100644 cyclone/sickle/asinh.c (limited to 'cyclone/sickle/asinh.c') diff --git a/cyclone/sickle/asinh.c b/cyclone/sickle/asinh.c new file mode 100644 index 0000000..931cb1f --- /dev/null +++ b/cyclone/sickle/asinh.c @@ -0,0 +1,48 @@ +/* Copyright (c) 2002-2003 krzYszcz and others. + * For information on usage and redistribution, and for a DISCLAIMER OF ALL + * WARRANTIES, see the file, "LICENSE.txt," in this distribution. */ + +#include +#include "m_pd.h" +#include "sickle/sic.h" + +/* LATER ask about osx */ +#if defined(NT) || defined(MACOSX) +#define asinhf(x) (log(x + sqrt(x * x + 1))) +#endif + +typedef t_sic t_asinh; +static t_class *asinh_class; + +static t_int *asinh_perform(t_int *w) +{ + int nblock = (int)(w[1]); + t_float *in = (t_float *)(w[2]); + t_float *out = (t_float *)(w[3]); + while (nblock--) + { + float f = *in++; + *out++ = asinhf(f); /* CHECKME no protection against NaNs */ + } + return (w + 4); +} + +static void asinh_dsp(t_asinh *x, t_signal **sp) +{ + dsp_add(asinh_perform, 3, sp[0]->s_n, sp[0]->s_vec, sp[1]->s_vec); +} + +static void *asinh_new(void) +{ + t_asinh *x = (t_asinh *)pd_new(asinh_class); + outlet_new((t_object *)x, &s_signal); + return (x); +} + +void asinh_tilde_setup(void) +{ + asinh_class = class_new(gensym("asinh~"), + (t_newmethod)asinh_new, 0, + sizeof(t_asinh), 0, 0); + sic_setup(asinh_class, asinh_dsp, SIC_FLOATTOSIGNAL); +} -- cgit v1.2.1