From 0c9b89b1018eb7760708ee5b080cd96846861328 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?IOhannes=20m=20zm=C3=B6lnig?= Date: Thu, 2 Jun 2005 18:25:00 +0000 Subject: updated to release-1.16 svn path=/trunk/externals/iemlib/; revision=3102 --- src/iemlib1/sigiem_pow4.c | 172 +++++++++++++++++++++++----------------------- 1 file changed, 86 insertions(+), 86 deletions(-) (limited to 'src/iemlib1/sigiem_pow4.c') diff --git a/src/iemlib1/sigiem_pow4.c b/src/iemlib1/sigiem_pow4.c index ae5334c..4cc8232 100644 --- a/src/iemlib1/sigiem_pow4.c +++ b/src/iemlib1/sigiem_pow4.c @@ -1,86 +1,86 @@ -/* For information on usage and redistribution, and for a DISCLAIMER OF ALL -* WARRANTIES, see the file, "LICENSE.txt," in this distribution. - -iemlib1 written by Thomas Musil, Copyright (c) IEM KUG Graz Austria 2000 - 2003 */ - -#ifdef NT -#pragma warning( disable : 4244 ) -#pragma warning( disable : 4305 ) -#endif - - -#include "m_pd.h" -#include "iemlib.h" -#include -#include -#include - -/* ------------------------ iem_pow4~ ----------------------------- */ - -static t_class *sigiem_pow4_class; - -typedef struct _sigiem_pow4 -{ - t_object x_obj; - float x_exp; - float x_msi; -} t_sigiem_pow4; - -static void sigiem_pow4_ft1(t_sigiem_pow4 *x, t_floatarg f) -{ - x->x_exp = f; -} - -static t_int *sigiem_pow4_perform(t_int *w) -{ - t_float *in = (t_float *)(w[1]); - t_float *out = (t_float *)(w[2]); - t_sigiem_pow4 *x = (t_sigiem_pow4 *)(w[3]); - t_float y=x->x_exp; - t_float f, g; - int n = (int)(w[4])/4; - - while (n--) - { - f = *in; - if(f < 0.01f) - f = 0.01f; - else if(f > 1000.0f) - f = 1000.0f; - g = log(f); - f = exp(g*y); - *out++ = f; - *out++ = f; - *out++ = f; - *out++ = f; - in += 4; - } - return (w+5); -} - -static void sigiem_pow4_dsp(t_sigiem_pow4 *x, t_signal **sp) -{ - dsp_add(sigiem_pow4_perform, 4, sp[0]->s_vec, sp[1]->s_vec, x, sp[0]->s_n); -} - -static void *sigiem_pow4_new(t_floatarg f) -{ - t_sigiem_pow4 *x = (t_sigiem_pow4 *)pd_new(sigiem_pow4_class); - - x->x_exp = f; - inlet_new(&x->x_obj, &x->x_obj.ob_pd, &s_float, gensym("ft1")); - outlet_new(&x->x_obj, gensym("signal")); - x->x_msi = 0; - return (x); -} - -void sigiem_pow4_setup(void) -{ - sigiem_pow4_class = class_new(gensym("iem_pow4~"), (t_newmethod)sigiem_pow4_new, 0, - sizeof(t_sigiem_pow4), 0, A_DEFFLOAT, 0); - class_addcreator((t_newmethod)sigiem_pow4_new, gensym("icot~"), 0); - CLASS_MAINSIGNALIN(sigiem_pow4_class, t_sigiem_pow4, x_msi); - class_addmethod(sigiem_pow4_class, (t_method)sigiem_pow4_dsp, gensym("dsp"), 0); - class_addmethod(sigiem_pow4_class, (t_method)sigiem_pow4_ft1, gensym("ft1"), A_FLOAT, 0); - class_sethelpsymbol(sigiem_pow4_class, gensym("iemhelp/help-iem_pow4~")); -} +/* For information on usage and redistribution, and for a DISCLAIMER OF ALL +* WARRANTIES, see the file, "LICENSE.txt," in this distribution. + +iemlib1 written by Thomas Musil, Copyright (c) IEM KUG Graz Austria 2000 - 2005 */ + +#ifdef NT +#pragma warning( disable : 4244 ) +#pragma warning( disable : 4305 ) +#endif + + +#include "m_pd.h" +#include "iemlib.h" +#include +#include +#include + +/* ------------------------ iem_pow4~ ----------------------------- */ + +static t_class *sigiem_pow4_class; + +typedef struct _sigiem_pow4 +{ + t_object x_obj; + float x_exp; + float x_msi; +} t_sigiem_pow4; + +static void sigiem_pow4_ft1(t_sigiem_pow4 *x, t_floatarg f) +{ + x->x_exp = f; +} + +static t_int *sigiem_pow4_perform(t_int *w) +{ + t_float *in = (t_float *)(w[1]); + t_float *out = (t_float *)(w[2]); + t_sigiem_pow4 *x = (t_sigiem_pow4 *)(w[3]); + t_float y=x->x_exp; + t_float f, g; + int n = (int)(w[4])/4; + + while (n--) + { + f = *in; + if(f < 0.01f) + f = 0.01f; + else if(f > 1000.0f) + f = 1000.0f; + g = log(f); + f = exp(g*y); + *out++ = f; + *out++ = f; + *out++ = f; + *out++ = f; + in += 4; + } + return (w+5); +} + +static void sigiem_pow4_dsp(t_sigiem_pow4 *x, t_signal **sp) +{ + dsp_add(sigiem_pow4_perform, 4, sp[0]->s_vec, sp[1]->s_vec, x, sp[0]->s_n); +} + +static void *sigiem_pow4_new(t_floatarg f) +{ + t_sigiem_pow4 *x = (t_sigiem_pow4 *)pd_new(sigiem_pow4_class); + + x->x_exp = f; + inlet_new(&x->x_obj, &x->x_obj.ob_pd, &s_float, gensym("ft1")); + outlet_new(&x->x_obj, gensym("signal")); + x->x_msi = 0; + return (x); +} + +void sigiem_pow4_setup(void) +{ + sigiem_pow4_class = class_new(gensym("iem_pow4~"), (t_newmethod)sigiem_pow4_new, 0, + sizeof(t_sigiem_pow4), 0, A_DEFFLOAT, 0); + class_addcreator((t_newmethod)sigiem_pow4_new, gensym("icot~"), 0); + CLASS_MAINSIGNALIN(sigiem_pow4_class, t_sigiem_pow4, x_msi); + class_addmethod(sigiem_pow4_class, (t_method)sigiem_pow4_dsp, gensym("dsp"), 0); + class_addmethod(sigiem_pow4_class, (t_method)sigiem_pow4_ft1, gensym("ft1"), A_FLOAT, 0); + class_sethelpsymbol(sigiem_pow4_class, gensym("iemhelp/help-iem_pow4~")); +} -- cgit v1.2.1