From 486e5ff7ebf4ed0fe1089ac73643c8dbca9b838a Mon Sep 17 00:00:00 2001 From: musil Date: Fri, 8 Jul 2005 02:13:24 +0000 Subject: dos-return svn path=/trunk/externals/iemlib/; revision=3301 --- src/iemlib1/sigpara_bp2.c | 852 +++++++++++++++++++++++----------------------- 1 file changed, 426 insertions(+), 426 deletions(-) (limited to 'src/iemlib1/sigpara_bp2.c') diff --git a/src/iemlib1/sigpara_bp2.c b/src/iemlib1/sigpara_bp2.c index af20782..683949d 100644 --- a/src/iemlib1/sigpara_bp2.c +++ b/src/iemlib1/sigpara_bp2.c @@ -1,426 +1,426 @@ -/* 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 - - -/* ---------- para_bp2~ - parametric bandpass 2. order ----------- */ - -typedef struct sigpara_bp2 -{ - t_object x_obj; - float wn1; - float wn2; - float a0; - float a1; - float a2; - float b1; - float b2; - float sr; - float cur_f; - float cur_l; - float cur_a; - float cur_g; - float delta_f; - float delta_a; - float delta_g; - float end_f; - float end_a; - float end_g; - float ticks_per_interpol_time; - float rcp_ticks; - float interpol_time; - int ticks; - int counter_f; - int counter_a; - int counter_g; - int event_mask; - void *x_debug_outlet; - t_atom x_at[5]; - float x_msi; -} t_sigpara_bp2; - -t_class *sigpara_bp2_class; - -static void sigpara_bp2_calc(t_sigpara_bp2 *x) -{ - float l, al, gal, l2, rcp; - - l = x->cur_l; - l2 = l*l + 1.0; - al = l*x->cur_a; - gal = al*x->cur_g; - rcp = 1.0f/(al + l2); - x->a0 = rcp*(l2 + gal); - x->a1 = rcp*2.0f*(2.0f - l2); - x->a2 = rcp*(l2 - gal); - x->b1 = -x->a1; - x->b2 = rcp*(al - l2); -} - -static void sigpara_bp2_dsp_tick(t_sigpara_bp2 *x) -{ - if(x->event_mask) - { - float discriminant; - - if(x->counter_f) - { - float l, si, co; - - if(x->counter_f <= 1) - { - x->cur_f = x->end_f; - x->counter_f = 0; - x->event_mask &= 6;/*set event_mask_bit 0 = 0*/ - } - else - { - x->counter_f--; - x->cur_f *= x->delta_f; - } - l = x->cur_f * x->sr; - if(l < 1.0e-20f) - x->cur_l = 1.0e20f; - else if(l > 1.57079632f) - x->cur_l = 0.0f; - else - { - si = sin(l); - co = cos(l); - x->cur_l = co/si; - } - } - if(x->counter_a) - { - if(x->counter_a <= 1) - { - x->cur_a = x->end_a; - x->counter_a = 0; - x->event_mask &= 5;/*set event_mask_bit 1 = 0*/ - } - else - { - x->counter_a--; - x->cur_a *= x->delta_a; - } - } - if(x->counter_g) - { - if(x->counter_g <= 1) - { - x->cur_g = x->end_g; - x->counter_g = 0; - x->event_mask &= 3;/*set event_mask_bit 2 = 0*/ - } - else - { - x->counter_g--; - x->cur_g *= x->delta_g; - } - } - - sigpara_bp2_calc(x); - - /* stability check */ - - discriminant = x->b1 * x->b1 + 4.0f * x->b2; - if(x->b1 <= -1.9999996f) - x->b1 = -1.9999996f; - else if(x->b1 >= 1.9999996f) - x->b1 = 1.9999996f; - - if(x->b2 <= -0.9999998f) - x->b2 = -0.9999998f; - else if(x->b2 >= 0.9999998f) - x->b2 = 0.9999998f; - - if(discriminant >= 0.0f) - { - if(0.9999998f - x->b1 - x->b2 < 0.0f) - x->b2 = 0.9999998f - x->b1; - if(0.9999998f + x->b1 - x->b2 < 0.0f) - x->b2 = 0.9999998f + x->b1; - } - } -} - -static t_int *sigpara_bp2_perform(t_int *w) -{ - float *in = (float *)(w[1]); - float *out = (float *)(w[2]); - t_sigpara_bp2 *x = (t_sigpara_bp2 *)(w[3]); - int i, n = (t_int)(w[4]); - float wn0, wn1=x->wn1, wn2=x->wn2; - float a0=x->a0, a1=x->a1, a2=x->a2; - float b1=x->b1, b2=x->b2; - - sigpara_bp2_dsp_tick(x); - for(i=0; iwn1 = wn1; - x->wn2 = wn2; - return(w+5); -} -/* yn0 = *out; -xn0 = *in; -************* -yn0 = a0*xn0 + a1*xn1 + a2*xn2 + b1*yn1 + b2*yn2; -yn2 = yn1; -yn1 = yn0; -xn2 = xn1; -xn1 = xn0; -************************* -y/x = (a0 + a1*z-1 + a2*z-2)/(1 - b1*z-1 - b2*z-2);*/ - -static t_int *sigpara_bp2_perf8(t_int *w) -{ - float *in = (float *)(w[1]); - float *out = (float *)(w[2]); - t_sigpara_bp2 *x = (t_sigpara_bp2 *)(w[3]); - int i, n = (t_int)(w[4]); - float wn[10]; - float a0=x->a0, a1=x->a1, a2=x->a2; - float b1=x->b1, b2=x->b2; - - sigpara_bp2_dsp_tick(x); - wn[0] = x->wn2; - wn[1] = x->wn1; - for(i=0; iwn1 = wn[1]; - x->wn2 = wn[0]; - return(w+5); -} - -static void sigpara_bp2_ft4(t_sigpara_bp2 *x, t_floatarg t) -{ - int i = (int)((x->ticks_per_interpol_time)*t); - - x->interpol_time = t; - if(i <= 0) - i = 1; - x->ticks = i; - x->rcp_ticks = 1.0f / (float)i; -} - -static void sigpara_bp2_ft3(t_sigpara_bp2 *x, t_floatarg l) -{ - float g = exp(0.11512925465 * l); - - if(g != x->cur_g) - { - x->end_g = g; - x->counter_g = x->ticks; - x->delta_g = exp(log(g/x->cur_g)*x->rcp_ticks); - x->event_mask |= 4;/*set event_mask_bit 2 = 1*/ - } -} - -static void sigpara_bp2_ft2(t_sigpara_bp2 *x, t_floatarg q) -{ - float a; - - if(q <= 0.0f) - q = 0.000001f; - a = 1.0f/q; - if(a != x->cur_a) - { - x->end_a = a; - x->counter_a = x->ticks; - x->delta_a = exp(log(a/x->cur_a)*x->rcp_ticks); - x->event_mask |= 2;/*set event_mask_bit 1 = 1*/ - } -} - -static void sigpara_bp2_ft1(t_sigpara_bp2 *x, t_floatarg f) -{ - if(f <= 0.0f) - f = 0.000001f; - if(f != x->cur_f) - { - x->end_f = f; - x->counter_f = x->ticks; - x->delta_f = exp(log(f/x->cur_f)*x->rcp_ticks); - x->event_mask |= 1;/*set event_mask_bit 0 = 1*/ - } -} - -static void sigpara_bp2_print(t_sigpara_bp2 *x) -{ - // post("fb1 = %g, fb2 = %g, ff1 = %g, ff2 = %g, ff3 = %g", x->b1, x->b2, x->a0, x->a1, x->a2); - x->x_at[0].a_w.w_float = x->b1; - x->x_at[1].a_w.w_float = x->b2; - x->x_at[2].a_w.w_float = x->a0; - x->x_at[3].a_w.w_float = x->a1; - x->x_at[4].a_w.w_float = x->a2; - outlet_list(x->x_debug_outlet, &s_list, 5, x->x_at); -} - -static void sigpara_bp2_dsp(t_sigpara_bp2 *x, t_signal **sp) -{ - float si, co, f; - int i, n=(int)sp[0]->s_n; - - x->sr = 3.14159265358979323846f / (float)(sp[0]->s_sr); - x->ticks_per_interpol_time = 0.001f * (float)(sp[0]->s_sr) / (float)n; - i = (int)((x->ticks_per_interpol_time)*(x->interpol_time)); - if(i <= 0) - i = 1; - x->ticks = i; - x->rcp_ticks = 1.0f / (float)i; - f = x->cur_f * x->sr; - if(f < 1.0e-20f) - x->cur_l = 1.0e20f; - else if(f > 1.57079632f) - x->cur_l = 0.0f; - else - { - si = sin(f); - co = cos(f); - x->cur_l = co/si; - } - if(n&7) - dsp_add(sigpara_bp2_perform, 4, sp[0]->s_vec, sp[1]->s_vec, x, n); - else - dsp_add(sigpara_bp2_perf8, 4, sp[0]->s_vec, sp[1]->s_vec, x, n); -} - -static void *sigpara_bp2_new(t_symbol *s, int argc, t_atom *argv) -{ - t_sigpara_bp2 *x = (t_sigpara_bp2 *)pd_new(sigpara_bp2_class); - int i; - float si, co, f=0.0, q=1.0, l=0.0, interpol=0.0; - - inlet_new(&x->x_obj, &x->x_obj.ob_pd, &s_float, gensym("ft1")); - inlet_new(&x->x_obj, &x->x_obj.ob_pd, &s_float, gensym("ft2")); - inlet_new(&x->x_obj, &x->x_obj.ob_pd, &s_float, gensym("ft3")); - inlet_new(&x->x_obj, &x->x_obj.ob_pd, &s_float, gensym("ft4")); - outlet_new(&x->x_obj, &s_signal); - x->x_debug_outlet = outlet_new(&x->x_obj, &s_list); - x->x_msi = 0; - - x->x_at[0].a_type = A_FLOAT; - x->x_at[1].a_type = A_FLOAT; - x->x_at[2].a_type = A_FLOAT; - x->x_at[3].a_type = A_FLOAT; - x->x_at[4].a_type = A_FLOAT; - - x->event_mask = 1; - x->counter_f = 1; - x->counter_a = 0; - x->counter_g = 0; - x->delta_f = 0.0f; - x->delta_a = 0.0f; - x->delta_g = 0.0f; - x->interpol_time = 500.0f; - x->wn1 = 0.0; - x->wn2 = 0.0; - x->a0 = 0.0; - x->a1 = 0.0; - x->a2 = 0.0; - x->b1 = 0.0; - x->b2 = 0.0; - x->sr = 3.14159265358979323846f / 44100.0f; - x->cur_a = 1.0; - if((argc == 4)&&IS_A_FLOAT(argv,3)&&IS_A_FLOAT(argv,2)&&IS_A_FLOAT(argv,1)&&IS_A_FLOAT(argv,0)) - { - f = (float)atom_getfloatarg(0, argc, argv); - q = (float)atom_getfloatarg(1, argc, argv); - l = (float)atom_getfloatarg(2, argc, argv); - interpol = (float)atom_getfloatarg(3, argc, argv); - } - if(f <= 0.0f) - f = 0.000001f; - x->cur_f = f; - f *= x->sr; - if(f < 1.0e-20f) - x->cur_l = 1.0e20f; - else if(f > 1.57079632f) - x->cur_l = 0.0f; - else - { - si = sin(f); - co = cos(f); - x->cur_l = co/si; - } - if(q <= 0.0f) - q = 0.000001f; - x->cur_a = 1.0f/q; - x->cur_g = exp(0.11512925465 * l); - if(interpol <= 0.0f) - interpol = 0.0f; - x->interpol_time = interpol; - x->ticks_per_interpol_time = 0.5f; - i = (int)((x->ticks_per_interpol_time)*(x->interpol_time)); - if(i <= 0) - i = 1; - x->ticks = i; - x->rcp_ticks = 1.0f / (float)i; - x->end_f = x->cur_f; - x->end_a = x->cur_a; - x->end_g = x->cur_g; - return(x); -} - -void sigpara_bp2_setup(void) -{ - sigpara_bp2_class = class_new(gensym("para_bp2~"), (t_newmethod)sigpara_bp2_new, - 0, sizeof(t_sigpara_bp2), 0, A_GIMME, 0); - CLASS_MAINSIGNALIN(sigpara_bp2_class, t_sigpara_bp2, x_msi); - class_addmethod(sigpara_bp2_class, (t_method)sigpara_bp2_dsp, gensym("dsp"), 0); - class_addmethod(sigpara_bp2_class, (t_method)sigpara_bp2_ft1, gensym("ft1"), A_FLOAT, 0); - class_addmethod(sigpara_bp2_class, (t_method)sigpara_bp2_ft2, gensym("ft2"), A_FLOAT, 0); - class_addmethod(sigpara_bp2_class, (t_method)sigpara_bp2_ft3, gensym("ft3"), A_FLOAT, 0); - class_addmethod(sigpara_bp2_class, (t_method)sigpara_bp2_ft4, gensym("ft4"), A_FLOAT, 0); - class_addmethod(sigpara_bp2_class, (t_method)sigpara_bp2_print, gensym("print"), 0); - class_sethelpsymbol(sigpara_bp2_class, gensym("iemhelp/help-para_bp2~")); -} +/* 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 + + +/* ---------- para_bp2~ - parametric bandpass 2. order ----------- */ + +typedef struct sigpara_bp2 +{ + t_object x_obj; + float wn1; + float wn2; + float a0; + float a1; + float a2; + float b1; + float b2; + float sr; + float cur_f; + float cur_l; + float cur_a; + float cur_g; + float delta_f; + float delta_a; + float delta_g; + float end_f; + float end_a; + float end_g; + float ticks_per_interpol_time; + float rcp_ticks; + float interpol_time; + int ticks; + int counter_f; + int counter_a; + int counter_g; + int event_mask; + void *x_debug_outlet; + t_atom x_at[5]; + float x_msi; +} t_sigpara_bp2; + +t_class *sigpara_bp2_class; + +static void sigpara_bp2_calc(t_sigpara_bp2 *x) +{ + float l, al, gal, l2, rcp; + + l = x->cur_l; + l2 = l*l + 1.0; + al = l*x->cur_a; + gal = al*x->cur_g; + rcp = 1.0f/(al + l2); + x->a0 = rcp*(l2 + gal); + x->a1 = rcp*2.0f*(2.0f - l2); + x->a2 = rcp*(l2 - gal); + x->b1 = -x->a1; + x->b2 = rcp*(al - l2); +} + +static void sigpara_bp2_dsp_tick(t_sigpara_bp2 *x) +{ + if(x->event_mask) + { + float discriminant; + + if(x->counter_f) + { + float l, si, co; + + if(x->counter_f <= 1) + { + x->cur_f = x->end_f; + x->counter_f = 0; + x->event_mask &= 6;/*set event_mask_bit 0 = 0*/ + } + else + { + x->counter_f--; + x->cur_f *= x->delta_f; + } + l = x->cur_f * x->sr; + if(l < 1.0e-20f) + x->cur_l = 1.0e20f; + else if(l > 1.57079632f) + x->cur_l = 0.0f; + else + { + si = sin(l); + co = cos(l); + x->cur_l = co/si; + } + } + if(x->counter_a) + { + if(x->counter_a <= 1) + { + x->cur_a = x->end_a; + x->counter_a = 0; + x->event_mask &= 5;/*set event_mask_bit 1 = 0*/ + } + else + { + x->counter_a--; + x->cur_a *= x->delta_a; + } + } + if(x->counter_g) + { + if(x->counter_g <= 1) + { + x->cur_g = x->end_g; + x->counter_g = 0; + x->event_mask &= 3;/*set event_mask_bit 2 = 0*/ + } + else + { + x->counter_g--; + x->cur_g *= x->delta_g; + } + } + + sigpara_bp2_calc(x); + + /* stability check */ + + discriminant = x->b1 * x->b1 + 4.0f * x->b2; + if(x->b1 <= -1.9999996f) + x->b1 = -1.9999996f; + else if(x->b1 >= 1.9999996f) + x->b1 = 1.9999996f; + + if(x->b2 <= -0.9999998f) + x->b2 = -0.9999998f; + else if(x->b2 >= 0.9999998f) + x->b2 = 0.9999998f; + + if(discriminant >= 0.0f) + { + if(0.9999998f - x->b1 - x->b2 < 0.0f) + x->b2 = 0.9999998f - x->b1; + if(0.9999998f + x->b1 - x->b2 < 0.0f) + x->b2 = 0.9999998f + x->b1; + } + } +} + +static t_int *sigpara_bp2_perform(t_int *w) +{ + float *in = (float *)(w[1]); + float *out = (float *)(w[2]); + t_sigpara_bp2 *x = (t_sigpara_bp2 *)(w[3]); + int i, n = (t_int)(w[4]); + float wn0, wn1=x->wn1, wn2=x->wn2; + float a0=x->a0, a1=x->a1, a2=x->a2; + float b1=x->b1, b2=x->b2; + + sigpara_bp2_dsp_tick(x); + for(i=0; iwn1 = wn1; + x->wn2 = wn2; + return(w+5); +} +/* yn0 = *out; +xn0 = *in; +************* +yn0 = a0*xn0 + a1*xn1 + a2*xn2 + b1*yn1 + b2*yn2; +yn2 = yn1; +yn1 = yn0; +xn2 = xn1; +xn1 = xn0; +************************* +y/x = (a0 + a1*z-1 + a2*z-2)/(1 - b1*z-1 - b2*z-2);*/ + +static t_int *sigpara_bp2_perf8(t_int *w) +{ + float *in = (float *)(w[1]); + float *out = (float *)(w[2]); + t_sigpara_bp2 *x = (t_sigpara_bp2 *)(w[3]); + int i, n = (t_int)(w[4]); + float wn[10]; + float a0=x->a0, a1=x->a1, a2=x->a2; + float b1=x->b1, b2=x->b2; + + sigpara_bp2_dsp_tick(x); + wn[0] = x->wn2; + wn[1] = x->wn1; + for(i=0; iwn1 = wn[1]; + x->wn2 = wn[0]; + return(w+5); +} + +static void sigpara_bp2_ft4(t_sigpara_bp2 *x, t_floatarg t) +{ + int i = (int)((x->ticks_per_interpol_time)*t); + + x->interpol_time = t; + if(i <= 0) + i = 1; + x->ticks = i; + x->rcp_ticks = 1.0f / (float)i; +} + +static void sigpara_bp2_ft3(t_sigpara_bp2 *x, t_floatarg l) +{ + float g = exp(0.11512925465 * l); + + if(g != x->cur_g) + { + x->end_g = g; + x->counter_g = x->ticks; + x->delta_g = exp(log(g/x->cur_g)*x->rcp_ticks); + x->event_mask |= 4;/*set event_mask_bit 2 = 1*/ + } +} + +static void sigpara_bp2_ft2(t_sigpara_bp2 *x, t_floatarg q) +{ + float a; + + if(q <= 0.0f) + q = 0.000001f; + a = 1.0f/q; + if(a != x->cur_a) + { + x->end_a = a; + x->counter_a = x->ticks; + x->delta_a = exp(log(a/x->cur_a)*x->rcp_ticks); + x->event_mask |= 2;/*set event_mask_bit 1 = 1*/ + } +} + +static void sigpara_bp2_ft1(t_sigpara_bp2 *x, t_floatarg f) +{ + if(f <= 0.0f) + f = 0.000001f; + if(f != x->cur_f) + { + x->end_f = f; + x->counter_f = x->ticks; + x->delta_f = exp(log(f/x->cur_f)*x->rcp_ticks); + x->event_mask |= 1;/*set event_mask_bit 0 = 1*/ + } +} + +static void sigpara_bp2_print(t_sigpara_bp2 *x) +{ + // post("fb1 = %g, fb2 = %g, ff1 = %g, ff2 = %g, ff3 = %g", x->b1, x->b2, x->a0, x->a1, x->a2); + x->x_at[0].a_w.w_float = x->b1; + x->x_at[1].a_w.w_float = x->b2; + x->x_at[2].a_w.w_float = x->a0; + x->x_at[3].a_w.w_float = x->a1; + x->x_at[4].a_w.w_float = x->a2; + outlet_list(x->x_debug_outlet, &s_list, 5, x->x_at); +} + +static void sigpara_bp2_dsp(t_sigpara_bp2 *x, t_signal **sp) +{ + float si, co, f; + int i, n=(int)sp[0]->s_n; + + x->sr = 3.14159265358979323846f / (float)(sp[0]->s_sr); + x->ticks_per_interpol_time = 0.001f * (float)(sp[0]->s_sr) / (float)n; + i = (int)((x->ticks_per_interpol_time)*(x->interpol_time)); + if(i <= 0) + i = 1; + x->ticks = i; + x->rcp_ticks = 1.0f / (float)i; + f = x->cur_f * x->sr; + if(f < 1.0e-20f) + x->cur_l = 1.0e20f; + else if(f > 1.57079632f) + x->cur_l = 0.0f; + else + { + si = sin(f); + co = cos(f); + x->cur_l = co/si; + } + if(n&7) + dsp_add(sigpara_bp2_perform, 4, sp[0]->s_vec, sp[1]->s_vec, x, n); + else + dsp_add(sigpara_bp2_perf8, 4, sp[0]->s_vec, sp[1]->s_vec, x, n); +} + +static void *sigpara_bp2_new(t_symbol *s, int argc, t_atom *argv) +{ + t_sigpara_bp2 *x = (t_sigpara_bp2 *)pd_new(sigpara_bp2_class); + int i; + float si, co, f=0.0, q=1.0, l=0.0, interpol=0.0; + + inlet_new(&x->x_obj, &x->x_obj.ob_pd, &s_float, gensym("ft1")); + inlet_new(&x->x_obj, &x->x_obj.ob_pd, &s_float, gensym("ft2")); + inlet_new(&x->x_obj, &x->x_obj.ob_pd, &s_float, gensym("ft3")); + inlet_new(&x->x_obj, &x->x_obj.ob_pd, &s_float, gensym("ft4")); + outlet_new(&x->x_obj, &s_signal); + x->x_debug_outlet = outlet_new(&x->x_obj, &s_list); + x->x_msi = 0; + + x->x_at[0].a_type = A_FLOAT; + x->x_at[1].a_type = A_FLOAT; + x->x_at[2].a_type = A_FLOAT; + x->x_at[3].a_type = A_FLOAT; + x->x_at[4].a_type = A_FLOAT; + + x->event_mask = 1; + x->counter_f = 1; + x->counter_a = 0; + x->counter_g = 0; + x->delta_f = 0.0f; + x->delta_a = 0.0f; + x->delta_g = 0.0f; + x->interpol_time = 500.0f; + x->wn1 = 0.0; + x->wn2 = 0.0; + x->a0 = 0.0; + x->a1 = 0.0; + x->a2 = 0.0; + x->b1 = 0.0; + x->b2 = 0.0; + x->sr = 3.14159265358979323846f / 44100.0f; + x->cur_a = 1.0; + if((argc == 4)&&IS_A_FLOAT(argv,3)&&IS_A_FLOAT(argv,2)&&IS_A_FLOAT(argv,1)&&IS_A_FLOAT(argv,0)) + { + f = (float)atom_getfloatarg(0, argc, argv); + q = (float)atom_getfloatarg(1, argc, argv); + l = (float)atom_getfloatarg(2, argc, argv); + interpol = (float)atom_getfloatarg(3, argc, argv); + } + if(f <= 0.0f) + f = 0.000001f; + x->cur_f = f; + f *= x->sr; + if(f < 1.0e-20f) + x->cur_l = 1.0e20f; + else if(f > 1.57079632f) + x->cur_l = 0.0f; + else + { + si = sin(f); + co = cos(f); + x->cur_l = co/si; + } + if(q <= 0.0f) + q = 0.000001f; + x->cur_a = 1.0f/q; + x->cur_g = exp(0.11512925465 * l); + if(interpol <= 0.0f) + interpol = 0.0f; + x->interpol_time = interpol; + x->ticks_per_interpol_time = 0.5f; + i = (int)((x->ticks_per_interpol_time)*(x->interpol_time)); + if(i <= 0) + i = 1; + x->ticks = i; + x->rcp_ticks = 1.0f / (float)i; + x->end_f = x->cur_f; + x->end_a = x->cur_a; + x->end_g = x->cur_g; + return(x); +} + +void sigpara_bp2_setup(void) +{ + sigpara_bp2_class = class_new(gensym("para_bp2~"), (t_newmethod)sigpara_bp2_new, + 0, sizeof(t_sigpara_bp2), 0, A_GIMME, 0); + CLASS_MAINSIGNALIN(sigpara_bp2_class, t_sigpara_bp2, x_msi); + class_addmethod(sigpara_bp2_class, (t_method)sigpara_bp2_dsp, gensym("dsp"), 0); + class_addmethod(sigpara_bp2_class, (t_method)sigpara_bp2_ft1, gensym("ft1"), A_FLOAT, 0); + class_addmethod(sigpara_bp2_class, (t_method)sigpara_bp2_ft2, gensym("ft2"), A_FLOAT, 0); + class_addmethod(sigpara_bp2_class, (t_method)sigpara_bp2_ft3, gensym("ft3"), A_FLOAT, 0); + class_addmethod(sigpara_bp2_class, (t_method)sigpara_bp2_ft4, gensym("ft4"), A_FLOAT, 0); + class_addmethod(sigpara_bp2_class, (t_method)sigpara_bp2_print, gensym("print"), 0); + class_sethelpsymbol(sigpara_bp2_class, gensym("iemhelp/help-para_bp2~")); +} -- cgit v1.2.1