diff options
Diffstat (limited to 'src/iemlib1/iem_pow4~.c')
-rw-r--r-- | src/iemlib1/iem_pow4~.c | 78 |
1 files changed, 0 insertions, 78 deletions
diff --git a/src/iemlib1/iem_pow4~.c b/src/iemlib1/iem_pow4~.c deleted file mode 100644 index 50bc7c2..0000000 --- a/src/iemlib1/iem_pow4~.c +++ /dev/null @@ -1,78 +0,0 @@ -/* 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 */ - -#include "m_pd.h" -#include "iemlib.h" -#include <math.h> - -/* ------------------------ iem_pow4~ ----------------------------- */ - -static t_class *iem_pow4_tilde_class; - -typedef struct _iem_pow4_tilde -{ - t_object x_obj; - t_float x_exp; - t_float x_msi; -} t_iem_pow4_tilde; - -static void iem_pow4_tilde_ft1(t_iem_pow4_tilde *x, t_floatarg f) -{ - x->x_exp = f; -} - -static t_int *iem_pow4_tilde_perform(t_int *w) -{ - t_float *in = (t_float *)(w[1]); - t_float *out = (t_float *)(w[2]); - t_iem_pow4_tilde *x = (t_iem_pow4_tilde *)(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 iem_pow4_tilde_dsp(t_iem_pow4_tilde *x, t_signal **sp) -{ - dsp_add(iem_pow4_tilde_perform, 4, sp[0]->s_vec, sp[1]->s_vec, x, sp[0]->s_n); -} - -static void *iem_pow4_tilde_new(t_floatarg f) -{ - t_iem_pow4_tilde *x = (t_iem_pow4_tilde *)pd_new(iem_pow4_tilde_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 iem_pow4_tilde_setup(void) -{ - iem_pow4_tilde_class = class_new(gensym("iem_pow4~"), (t_newmethod)iem_pow4_tilde_new, 0, - sizeof(t_iem_pow4_tilde), 0, A_DEFFLOAT, 0); - class_addcreator((t_newmethod)iem_pow4_tilde_new, gensym("icot~"), 0); - CLASS_MAINSIGNALIN(iem_pow4_tilde_class, t_iem_pow4_tilde, x_msi); - class_addmethod(iem_pow4_tilde_class, (t_method)iem_pow4_tilde_dsp, gensym("dsp"), 0); - class_addmethod(iem_pow4_tilde_class, (t_method)iem_pow4_tilde_ft1, gensym("ft1"), A_FLOAT, 0); - class_sethelpsymbol(iem_pow4_tilde_class, gensym("iemhelp/help-iem_pow4~")); -} |