From d6b088044e161a27d49df537bbb6d998a8d0e50d Mon Sep 17 00:00:00 2001 From: musil Date: Sat, 9 Dec 2006 02:00:52 +0000 Subject: // class_sethelpsymbol(); changed help-*.pd to *-help.pd chanded file structure to standard 1st step remove old svn path=/trunk/externals/iemlib/; revision=6756 --- src/iemlib1/vcf_filter~.c | 327 ---------------------------------------------- 1 file changed, 327 deletions(-) delete mode 100644 src/iemlib1/vcf_filter~.c (limited to 'src/iemlib1/vcf_filter~.c') diff --git a/src/iemlib1/vcf_filter~.c b/src/iemlib1/vcf_filter~.c deleted file mode 100644 index e961378..0000000 --- a/src/iemlib1/vcf_filter~.c +++ /dev/null @@ -1,327 +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 -#include - -/* ---------- vcf_filter~ - slow dynamic vcf_filter 1. and 2. order ----------- */ - -typedef struct _vcf_filter_tilde -{ - t_object x_obj; - t_float x_wn1; - t_float x_wn2; - t_float x_msi; - char x_filtname[6]; -} t_vcf_filter_tilde; - -t_class *vcf_filter_tilde_class; - -static t_int *vcf_filter_tilde_perform_snafu(t_int *w) -{ - t_float *in = (t_float *)(w[1]); - t_float *out = (t_float *)(w[4]); - int n = (t_int)(w[6]); - - while(n--) - *out++ = *in++; - return(w+7); -} - -/* -lp2 -wn0 = *in++ - rcp*(2.0f*(2.0f - l2)*wn1 + (l2 - al)*wn2); -*out++ = rcp*(wn0 + 2.0f*wn1 + wn2); -wn2 = wn1; -wn1 = wn0; - - bp2 - wn0 = *in++ - rcp*(2.0f*(2.0f - l2)*wn1 + (l2 - al)*wn2); - *out++ = rcp*al*(wn0 - wn2); - wn2 = wn1; - wn1 = wn0; - - rbp2 - wn0 = *in++ - rcp*(2.0f*(2.0f - l2)*wn1 + (l2 - al)*wn2); - *out++ = rcp*l*(wn0 - wn2); - wn2 = wn1; - wn1 = wn0; - - hp2 - wn0 = *in++ - rcp*(2.0f*(2.0f - l2)*wn1 + (l2 - al)*wn2); - *out++ = rcp*(wn0 - 2.0f*wn1 + wn2); - wn2 = wn1; - wn1 = wn0; - -*/ - -static t_int *vcf_filter_tilde_perform_lp2(t_int *w) -{ - t_float *in = (t_float *)(w[1]); - t_float *lp = (t_float *)(w[2]); - t_float *q = (t_float *)(w[3]); - t_float *out = (t_float *)(w[4]); - t_vcf_filter_tilde *x = (t_vcf_filter_tilde *)(w[5]); - int i, n = (t_int)(w[6]); - t_float wn0, wn1=x->x_wn1, wn2=x->x_wn2; - t_float l, al, l2, rcp; - - for(i=0; i 1000000.0f) - al = 0.000001f*l; - else - al = l/q[i]; - l2 = l*l + 1.0f; - rcp = 1.0f/(al + l2); - - wn0 = *in++ - rcp*(2.0f*(2.0f - l2)*wn1 + (l2 - al)*wn2); - *out++ = rcp*(wn0 + 2.0f*wn1 + wn2); - wn2 = wn1; - wn1 = wn0; - - wn0 = *in++ - rcp*(2.0f*(2.0f - l2)*wn1 + (l2 - al)*wn2); - *out++ = rcp*(wn0 + 2.0f*wn1 + wn2); - wn2 = wn1; - wn1 = wn0; - - wn0 = *in++ - rcp*(2.0f*(2.0f - l2)*wn1 + (l2 - al)*wn2); - *out++ = rcp*(wn0 + 2.0f*wn1 + wn2); - wn2 = wn1; - wn1 = wn0; - - wn0 = *in++ - rcp*(2.0f*(2.0f - l2)*wn1 + (l2 - al)*wn2); - *out++ = rcp*(wn0 + 2.0f*wn1 + wn2); - wn2 = wn1; - wn1 = wn0; - } - /* NAN protect */ - if(IEM_DENORMAL(wn2)) - wn2 = 0.0f; - if(IEM_DENORMAL(wn1)) - wn1 = 0.0f; - - x->x_wn1 = wn1; - x->x_wn2 = wn2; - return(w+7); -} - -static t_int *vcf_filter_tilde_perform_bp2(t_int *w) -{ - t_float *in = (t_float *)(w[1]); - t_float *lp = (t_float *)(w[2]); - t_float *q = (t_float *)(w[3]); - t_float *out = (t_float *)(w[4]); - t_vcf_filter_tilde *x = (t_vcf_filter_tilde *)(w[5]); - int i, n = (t_int)(w[6]); - t_float wn0, wn1=x->x_wn1, wn2=x->x_wn2; - t_float l, al, l2, rcp; - - for(i=0; i 1000000.0f) - al = 0.000001f*l; - else - al = l/q[i]; - l2 = l*l + 1.0f; - rcp = 1.0f/(al + l2); - - - wn0 = *in++ - rcp*(2.0f*(2.0f - l2)*wn1 + (l2 - al)*wn2); - *out++ = rcp*al*(wn0 - wn2); - wn2 = wn1; - wn1 = wn0; - - wn0 = *in++ - rcp*(2.0f*(2.0f - l2)*wn1 + (l2 - al)*wn2); - *out++ = rcp*al*(wn0 - wn2); - wn2 = wn1; - wn1 = wn0; - - wn0 = *in++ - rcp*(2.0f*(2.0f - l2)*wn1 + (l2 - al)*wn2); - *out++ = rcp*al*(wn0 - wn2); - wn2 = wn1; - wn1 = wn0; - - wn0 = *in++ - rcp*(2.0f*(2.0f - l2)*wn1 + (l2 - al)*wn2); - *out++ = rcp*al*(wn0 - wn2); - wn2 = wn1; - wn1 = wn0; - } - /* NAN protect */ - if(IEM_DENORMAL(wn2)) - wn2 = 0.0f; - if(IEM_DENORMAL(wn1)) - wn1 = 0.0f; - - x->x_wn1 = wn1; - x->x_wn2 = wn2; - return(w+7); -} - -static t_int *vcf_filter_tilde_perform_rbp2(t_int *w) -{ - t_float *in = (t_float *)(w[1]); - t_float *lp = (t_float *)(w[2]); - t_float *q = (t_float *)(w[3]); - t_float *out = (t_float *)(w[4]); - t_vcf_filter_tilde *x = (t_vcf_filter_tilde *)(w[5]); - int i, n = (t_int)(w[6]); - t_float wn0, wn1=x->x_wn1, wn2=x->x_wn2; - t_float al, l, l2, rcp; - - for(i=0; i 1000000.0f) - al = 0.000001f*l; - else - al = l/q[i]; - l2 = l*l + 1.0f; - rcp = 1.0f/(al + l2); - - - wn0 = *in++ - rcp*(2.0f*(2.0f - l2)*wn1 + (l2 - al)*wn2); - *out++ = rcp*l*(wn0 - wn2); - wn2 = wn1; - wn1 = wn0; - - wn0 = *in++ - rcp*(2.0f*(2.0f - l2)*wn1 + (l2 - al)*wn2); - *out++ = rcp*l*(wn0 - wn2); - wn2 = wn1; - wn1 = wn0; - - wn0 = *in++ - rcp*(2.0f*(2.0f - l2)*wn1 + (l2 - al)*wn2); - *out++ = rcp*l*(wn0 - wn2); - wn2 = wn1; - wn1 = wn0; - - wn0 = *in++ - rcp*(2.0f*(2.0f - l2)*wn1 + (l2 - al)*wn2); - *out++ = rcp*l*(wn0 - wn2); - wn2 = wn1; - wn1 = wn0; - } - /* NAN protect */ - if(IEM_DENORMAL(wn2)) - wn2 = 0.0f; - if(IEM_DENORMAL(wn1)) - wn1 = 0.0f; - - x->x_wn1 = wn1; - x->x_wn2 = wn2; - return(w+7); -} - -static t_int *vcf_filter_tilde_perform_hp2(t_int *w) -{ - t_float *in = (t_float *)(w[1]); - t_float *lp = (t_float *)(w[2]); - t_float *q = (t_float *)(w[3]); - t_float *out = (t_float *)(w[4]); - t_vcf_filter_tilde *x = (t_vcf_filter_tilde *)(w[5]); - int i, n = (t_int)(w[6]); - t_float wn0, wn1=x->x_wn1, wn2=x->x_wn2; - t_float l, al, l2, rcp, forw; - - for(i=0; i 1000000.0f) - al = 0.000001f*l; - else - al = l/q[i]; - l2 = l*l + 1.0f; - rcp = 1.0f/(al + l2); - forw = rcp * (l2 - 1.0f); - - wn0 = *in++ - rcp*(2.0f*(2.0f - l2)*wn1 + (l2 - al)*wn2); - *out++ = forw*(wn0 - 2.0f*wn1 + wn2); - wn2 = wn1; - wn1 = wn0; - - wn0 = *in++ - rcp*(2.0f*(2.0f - l2)*wn1 + (l2 - al)*wn2); - *out++ = forw*(wn0 - 2.0f*wn1 + wn2); - wn2 = wn1; - wn1 = wn0; - - wn0 = *in++ - rcp*(2.0f*(2.0f - l2)*wn1 + (l2 - al)*wn2); - *out++ = forw*(wn0 - 2.0f*wn1 + wn2); - wn2 = wn1; - wn1 = wn0; - - wn0 = *in++ - rcp*(2.0f*(2.0f - l2)*wn1 + (l2 - al)*wn2); - *out++ = forw*(wn0 - 2.0f*wn1 + wn2); - wn2 = wn1; - wn1 = wn0; - } - /* NAN protect */ - if(IEM_DENORMAL(wn2)) - wn2 = 0.0f; - if(IEM_DENORMAL(wn1)) - wn1 = 0.0f; - - x->x_wn1 = wn1; - x->x_wn2 = wn2; - return(w+7); -} - -static void vcf_filter_tilde_dsp(t_vcf_filter_tilde *x, t_signal **sp) -{ - if(!strcmp(x->x_filtname,"bp2")) - dsp_add(vcf_filter_tilde_perform_bp2, 6, sp[0]->s_vec, sp[1]->s_vec, - sp[2]->s_vec, sp[3]->s_vec, x, sp[0]->s_n); - else if(!strcmp(x->x_filtname,"rbp2")) - dsp_add(vcf_filter_tilde_perform_rbp2, 6, sp[0]->s_vec, sp[1]->s_vec, - sp[2]->s_vec, sp[3]->s_vec, x, sp[0]->s_n); - else if(!strcmp(x->x_filtname,"lp2")) - dsp_add(vcf_filter_tilde_perform_lp2, 6, sp[0]->s_vec, sp[1]->s_vec, - sp[2]->s_vec, sp[3]->s_vec, x, sp[0]->s_n); - else if(!strcmp(x->x_filtname,"hp2")) - dsp_add(vcf_filter_tilde_perform_hp2, 6, sp[0]->s_vec, sp[1]->s_vec, - sp[2]->s_vec, sp[3]->s_vec, x, sp[0]->s_n); - else - { - dsp_add(vcf_filter_tilde_perform_snafu, 6, sp[0]->s_vec, sp[1]->s_vec, - sp[2]->s_vec, sp[3]->s_vec, x, sp[0]->s_n); - post("vcf_filter~-Error: 1. initial-arguments: kind: lp2, bp2, rbp2, hp2!"); - } -} - -static void *vcf_filter_tilde_new(t_symbol *filt_typ) -{ - t_vcf_filter_tilde *x = (t_vcf_filter_tilde *)pd_new(vcf_filter_tilde_class); - char *c; - - inlet_new(&x->x_obj, &x->x_obj.ob_pd, &s_signal, &s_signal); - inlet_new(&x->x_obj, &x->x_obj.ob_pd, &s_signal, &s_signal); - outlet_new(&x->x_obj, &s_signal); - x->x_msi = 0; - x->x_wn1 = 0.0f; - x->x_wn2 = 0.0f; - c = (char *)filt_typ->s_name; - c[5] = 0; - strcpy(x->x_filtname, c); - return(x); -} - -void vcf_filter_tilde_setup(void) -{ - vcf_filter_tilde_class = class_new(gensym("vcf_filter~"), (t_newmethod)vcf_filter_tilde_new, - 0, sizeof(t_vcf_filter_tilde), 0, A_SYMBOL, 0); - CLASS_MAINSIGNALIN(vcf_filter_tilde_class, t_vcf_filter_tilde, x_msi); - class_addmethod(vcf_filter_tilde_class, (t_method)vcf_filter_tilde_dsp, gensym("dsp"), 0); - class_sethelpsymbol(vcf_filter_tilde_class, gensym("iemhelp/help-vcf_filter~")); -} -- cgit v1.2.1