From 34a0116da88c5309ea08215872291a79b5483b30 Mon Sep 17 00:00:00 2001 From: musil Date: Fri, 10 Nov 2006 17:16:29 +0000 Subject: makefiles -fno-strict-aliasing flag some new objects float to t_float no #pragma svn path=/trunk/externals/iem/iem_tab/; revision=6262 --- src/tab_rfft.c | 658 ++++++++++++++++++++++++++++----------------------------- 1 file changed, 325 insertions(+), 333 deletions(-) (limited to 'src/tab_rfft.c') diff --git a/src/tab_rfft.c b/src/tab_rfft.c index 7e42623..f562c63 100644 --- a/src/tab_rfft.c +++ b/src/tab_rfft.c @@ -3,389 +3,381 @@ iem_tab 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 "iem_tab.h" #include -#include -#include /* -------------------------- tab_rfft ------------------------------ */ typedef struct _tab_rfft { - t_object x_obj; - int x_size_src1; - int x_size_dst_re; - int x_size_dst_im; - int x_offset_src1; - int x_offset_dst_re; - int x_offset_dst_im; - int x_fftsize; - float *x_beg_mem_src1; - float *x_beg_mem_dst_re; - float *x_beg_mem_dst_im; - TAB_COMPLEX *x_sin_cos; - t_symbol *x_sym_src1; - t_symbol *x_sym_dst_re; - t_symbol *x_sym_dst_im; + t_object x_obj; + int x_size_src1; + int x_size_dst_re; + int x_size_dst_im; + int x_offset_src1; + int x_offset_dst_re; + int x_offset_dst_im; + int x_fftsize; + t_float *x_beg_mem_src1; + t_float *x_beg_mem_dst_re; + t_float *x_beg_mem_dst_im; + TAB_COMPLEX *x_sin_cos; + t_symbol *x_sym_src1; + t_symbol *x_sym_dst_re; + t_symbol *x_sym_dst_im; } t_tab_rfft; static t_class *tab_rfft_class; static void tab_rfft_init(t_tab_rfft *x) { - int i, fftsize = x->x_fftsize; - float f, g; - TAB_COMPLEX *sincos = x->x_sin_cos; - - g = 2.0f * 3.1415926538f / (float)fftsize; - for(i=0; ix_fftsize; + t_float f, g; + TAB_COMPLEX *sincos = x->x_sin_cos; + + g = 2.0f * 3.1415926538f / (t_float)fftsize; + for(i=0; ix_fftsize) - { - x->x_sin_cos = (TAB_COMPLEX *)resizebytes(x->x_sin_cos, x->x_fftsize*sizeof(TAB_COMPLEX), i*sizeof(TAB_COMPLEX)); - x->x_fftsize = i; - } - tab_rfft_init(x); + int i=1, fftsize = (int)f; + + if(fftsize < 8) + fftsize = 8; + + while(i <= fftsize) + i *= 2; + i /= 2; + + if(i != x->x_fftsize) + { + x->x_sin_cos = (TAB_COMPLEX *)resizebytes(x->x_sin_cos, x->x_fftsize*sizeof(TAB_COMPLEX), i*sizeof(TAB_COMPLEX)); + x->x_fftsize = i; + } + tab_rfft_init(x); } static void tab_rfft_src(t_tab_rfft *x, t_symbol *s) { - x->x_sym_src1 = s; + x->x_sym_src1 = s; } static void tab_rfft_dst_re(t_tab_rfft *x, t_symbol *s) { - x->x_sym_dst_re = s; + x->x_sym_dst_re = s; } static void tab_rfft_dst_im(t_tab_rfft *x, t_symbol *s) { - x->x_sym_dst_im = s; + x->x_sym_dst_im = s; } static void tab_rfft_bang(t_tab_rfft *x) { - int i, j, k; - int ok_src, ok_dst_re, ok_dst_im; - int w_index, w_inc, i_inc, v_index; - int fftsize = x->x_fftsize; - int fs1 = fftsize - 1; - int fs2 = fftsize / 2; - TAB_COMPLEX w; - TAB_COMPLEX *sincos = x->x_sin_cos; - t_float *vec_src, *vec_dst_re, *vec_dst_im; - t_float old1_re, old1_im, old2_re, old2_im; - - ok_src = iem_tab_check_arrays(gensym("tab_rfft"), x->x_sym_src1, &x->x_beg_mem_src1, &x->x_size_src1, fftsize); - ok_dst_re = iem_tab_check_arrays(gensym("tab_rfft"), x->x_sym_dst_re, &x->x_beg_mem_dst_re, &x->x_size_dst_re, fftsize); - ok_dst_im = iem_tab_check_arrays(gensym("tab_rfft"), x->x_sym_dst_im, &x->x_beg_mem_dst_im, &x->x_size_dst_im, fftsize); - if(ok_src && ok_dst_re && ok_dst_im) - { - t_garray *a; - - vec_src=x->x_beg_mem_src1; - vec_dst_re=x->x_beg_mem_dst_re; - vec_dst_im=x->x_beg_mem_dst_im; - - for(k=0; k>= 1; - } - - j = 0; - for(i=1;i>= 1; - } - j = j + k; - if(i < j) - { - old1_re = vec_dst_re[j]; - old1_im = vec_dst_im[j]; - vec_dst_re[j] = vec_dst_re[i]; - vec_dst_im[j] = vec_dst_im[i]; - vec_dst_re[i] = old1_re; - vec_dst_im[i] = old1_im; - } - } - -// g = 2.0f / (float)fftsize; -/* - ein fehler tritt auf beim 0.sample, hier sollte nur mal 1.0 multipliziert werden - wenn gelten soll : Energie im zeitfenster == Energie im Frequenz-dichte-fenster - - g = 1.0f; - for(i = 0; i < fs2; i++) - { - vec_dst_re[i] *= g; - vec_dst_im[i] *= g; - } - */ - - vec_dst_im[fs2] = 0.0f; - for(i = fs2+1; i < fftsize; i++) - { - vec_dst_re[i] = 0.0f; - vec_dst_im[i] = 0.0f; - } - - outlet_bang(x->x_obj.ob_outlet); - a = (t_garray *)pd_findbyclass(x->x_sym_dst_re, garray_class); - garray_redraw(a); - a = (t_garray *)pd_findbyclass(x->x_sym_dst_im, garray_class); - garray_redraw(a); - } + int i, j, k; + int ok_src, ok_dst_re, ok_dst_im; + int w_index, w_inc, i_inc, v_index; + int fftsize = x->x_fftsize; + int fs1 = fftsize - 1; + int fs2 = fftsize / 2; + TAB_COMPLEX w; + TAB_COMPLEX *sincos = x->x_sin_cos; + t_float *vec_src, *vec_dst_re, *vec_dst_im; + t_float old1_re, old1_im, old2_re, old2_im; + + ok_src = iem_tab_check_arrays(gensym("tab_rfft"), x->x_sym_src1, &x->x_beg_mem_src1, &x->x_size_src1, fftsize); + ok_dst_re = iem_tab_check_arrays(gensym("tab_rfft"), x->x_sym_dst_re, &x->x_beg_mem_dst_re, &x->x_size_dst_re, fftsize); + ok_dst_im = iem_tab_check_arrays(gensym("tab_rfft"), x->x_sym_dst_im, &x->x_beg_mem_dst_im, &x->x_size_dst_im, fftsize); + if(ok_src && ok_dst_re && ok_dst_im) + { + t_garray *a; + + vec_src=x->x_beg_mem_src1; + vec_dst_re=x->x_beg_mem_dst_re; + vec_dst_im=x->x_beg_mem_dst_im; + + for(k=0; k>= 1; + } + + j = 0; + for(i=1;i>= 1; + } + j = j + k; + if(i < j) + { + old1_re = vec_dst_re[j]; + old1_im = vec_dst_im[j]; + vec_dst_re[j] = vec_dst_re[i]; + vec_dst_im[j] = vec_dst_im[i]; + vec_dst_re[i] = old1_re; + vec_dst_im[i] = old1_im; + } + } + + // g = 2.0f / (t_float)fftsize; + /* + ein fehler tritt auf beim 0.sample, hier sollte nur mal 1.0 multipliziert werden + wenn gelten soll : Energie im zeitfenster == Energie im Frequenz-dichte-fenster + + g = 1.0f; + for(i = 0; i < fs2; i++) + { + vec_dst_re[i] *= g; + vec_dst_im[i] *= g; + } + */ + + vec_dst_im[fs2] = 0.0f; + for(i = fs2+1; i < fftsize; i++) + { + vec_dst_re[i] = 0.0f; + vec_dst_im[i] = 0.0f; + } + + outlet_bang(x->x_obj.ob_outlet); + a = (t_garray *)pd_findbyclass(x->x_sym_dst_re, garray_class); + garray_redraw(a); + a = (t_garray *)pd_findbyclass(x->x_sym_dst_im, garray_class); + garray_redraw(a); + } } static void tab_rfft_list(t_tab_rfft *x, t_symbol *s, int argc, t_atom *argv) { - int beg_src, beg_dst_re, beg_dst_im; - int i, j, k; - int ok_src, ok_dst_re, ok_dst_im; - int w_index, w_inc, i_inc, v_index; - int fftsize = x->x_fftsize; - int fs1 = fftsize - 1; - int fs2 = fftsize / 2; - TAB_COMPLEX w; - TAB_COMPLEX *sincos = x->x_sin_cos; - t_float *vec_src, *vec_dst_re, *vec_dst_im; - t_float old1_re, old1_im, old2_re, old2_im; - - if((argc >= 3) && - IS_A_FLOAT(argv,0) && - IS_A_FLOAT(argv,1) && - IS_A_FLOAT(argv,2)) - { - beg_src = (int)atom_getintarg(0, argc, argv); - beg_dst_re = (int)atom_getintarg(1, argc, argv); - beg_dst_im = (int)atom_getintarg(2, argc, argv); - if(beg_src < 0) - beg_src = 0; - if(beg_dst_re < 0) - beg_dst_re = 0; - if(beg_dst_im < 0) - beg_dst_im = 0; - - ok_src = iem_tab_check_arrays(gensym("tab_rfft"), x->x_sym_src1, &x->x_beg_mem_src1, &x->x_size_src1, beg_src+fftsize); - ok_dst_re = iem_tab_check_arrays(gensym("tab_rfft"), x->x_sym_dst_re, &x->x_beg_mem_dst_re, &x->x_size_dst_re, beg_dst_re+fftsize); - ok_dst_im = iem_tab_check_arrays(gensym("tab_rfft"), x->x_sym_dst_im, &x->x_beg_mem_dst_im, &x->x_size_dst_im, beg_dst_im+fftsize); - - if(ok_src && ok_dst_re && ok_dst_im) - { - t_garray *a; - - vec_src=x->x_beg_mem_src1 + beg_src; - vec_dst_re=x->x_beg_mem_dst_re + beg_dst_re; - vec_dst_im=x->x_beg_mem_dst_im + beg_dst_im; - - for(k=0; k>= 1; - } - - j = 0; - for(i=1;i>= 1; - } - j = j + k; - if(i < j) - { - old1_re = vec_dst_re[j]; - old1_im = vec_dst_im[j]; - vec_dst_re[j] = vec_dst_re[i]; - vec_dst_im[j] = vec_dst_im[i]; - vec_dst_re[i] = old1_re; - vec_dst_im[i] = old1_im; - } - } - -// g = 2.0f / (float)fftsize; -/* - ein fehler tritt auf beim 0.sample, hier sollte nur mal 1.0 multipliziert werden - wenn gelten soll : Energie im zeitfenster == Energie im Frequenz-dichte-fenster - - g = 1.0f; - for(i = 0; i < fs2; i++) - { - vec_dst_re[i] *= g; - vec_dst_im[i] *= g; - } - */ - - vec_dst_im[fs2] = 0.0f; - for(i = fs2+1; i < fftsize; i++) - { - vec_dst_re[i] = 0.0f; - vec_dst_im[i] = 0.0f; - } - - outlet_bang(x->x_obj.ob_outlet); - a = (t_garray *)pd_findbyclass(x->x_sym_dst_re, garray_class); - garray_redraw(a); - a = (t_garray *)pd_findbyclass(x->x_sym_dst_im, garray_class); - garray_redraw(a); - } - } - else - { - post("tab_rfft-ERROR: list need 3 float arguments:"); - post(" source_offset + destination_real_offset + destination_imag_offset"); - } + int beg_src, beg_dst_re, beg_dst_im; + int i, j, k; + int ok_src, ok_dst_re, ok_dst_im; + int w_index, w_inc, i_inc, v_index; + int fftsize = x->x_fftsize; + int fs1 = fftsize - 1; + int fs2 = fftsize / 2; + TAB_COMPLEX w; + TAB_COMPLEX *sincos = x->x_sin_cos; + t_float *vec_src, *vec_dst_re, *vec_dst_im; + t_float old1_re, old1_im, old2_re, old2_im; + + if((argc >= 3) && + IS_A_FLOAT(argv,0) && + IS_A_FLOAT(argv,1) && + IS_A_FLOAT(argv,2)) + { + beg_src = (int)atom_getintarg(0, argc, argv); + beg_dst_re = (int)atom_getintarg(1, argc, argv); + beg_dst_im = (int)atom_getintarg(2, argc, argv); + if(beg_src < 0) + beg_src = 0; + if(beg_dst_re < 0) + beg_dst_re = 0; + if(beg_dst_im < 0) + beg_dst_im = 0; + + ok_src = iem_tab_check_arrays(gensym("tab_rfft"), x->x_sym_src1, &x->x_beg_mem_src1, &x->x_size_src1, beg_src+fftsize); + ok_dst_re = iem_tab_check_arrays(gensym("tab_rfft"), x->x_sym_dst_re, &x->x_beg_mem_dst_re, &x->x_size_dst_re, beg_dst_re+fftsize); + ok_dst_im = iem_tab_check_arrays(gensym("tab_rfft"), x->x_sym_dst_im, &x->x_beg_mem_dst_im, &x->x_size_dst_im, beg_dst_im+fftsize); + + if(ok_src && ok_dst_re && ok_dst_im) + { + t_garray *a; + + vec_src=x->x_beg_mem_src1 + beg_src; + vec_dst_re=x->x_beg_mem_dst_re + beg_dst_re; + vec_dst_im=x->x_beg_mem_dst_im + beg_dst_im; + + for(k=0; k>= 1; + } + + j = 0; + for(i=1;i>= 1; + } + j = j + k; + if(i < j) + { + old1_re = vec_dst_re[j]; + old1_im = vec_dst_im[j]; + vec_dst_re[j] = vec_dst_re[i]; + vec_dst_im[j] = vec_dst_im[i]; + vec_dst_re[i] = old1_re; + vec_dst_im[i] = old1_im; + } + } + + // g = 2.0f / (t_float)fftsize; + /* + ein fehler tritt auf beim 0.sample, hier sollte nur mal 1.0 multipliziert werden + wenn gelten soll : Energie im zeitfenster == Energie im Frequenz-dichte-fenster + + g = 1.0f; + for(i = 0; i < fs2; i++) + { + vec_dst_re[i] *= g; + vec_dst_im[i] *= g; + } + */ + + vec_dst_im[fs2] = 0.0f; + for(i = fs2+1; i < fftsize; i++) + { + vec_dst_re[i] = 0.0f; + vec_dst_im[i] = 0.0f; + } + + outlet_bang(x->x_obj.ob_outlet); + a = (t_garray *)pd_findbyclass(x->x_sym_dst_re, garray_class); + garray_redraw(a); + a = (t_garray *)pd_findbyclass(x->x_sym_dst_im, garray_class); + garray_redraw(a); + } + } + else + { + post("tab_rfft-ERROR: list need 3 float arguments:"); + post(" source_offset + destination_real_offset + destination_imag_offset"); + } } static void tab_rfft_free(t_tab_rfft *x) { - freebytes(x->x_sin_cos, x->x_fftsize * sizeof(TAB_COMPLEX)); + freebytes(x->x_sin_cos, x->x_fftsize * sizeof(TAB_COMPLEX)); } static void *tab_rfft_new(t_symbol *s, int argc, t_atom *argv) { - t_tab_rfft *x = (t_tab_rfft *)pd_new(tab_rfft_class); - t_symbol *src, *dst_re, *dst_im; - int fftsize, i=1; - - if((argc >= 4) && - IS_A_SYMBOL(argv,0) && - IS_A_SYMBOL(argv,1) && - IS_A_SYMBOL(argv,2) && - IS_A_FLOAT(argv,3)) - { - src = (t_symbol *)atom_getsymbolarg(0, argc, argv); - dst_re = (t_symbol *)atom_getsymbolarg(1, argc, argv); - dst_im = (t_symbol *)atom_getsymbolarg(2, argc, argv); - fftsize = (int)atom_getintarg(3, argc, argv); - } - else - { - post("tab_rfft-ERROR: need 3 symbols + 1 float arguments:"); - post(" source_array_name + destination_real_array_name + destination_imag_array_name + FFT-size"); - return(0); - } - - if(fftsize < 8) - fftsize = 8; - - while(i <= fftsize) - i *= 2; - i /= 2; - fftsize = i; - - x->x_fftsize = fftsize; - x->x_sym_src1 = src; - x->x_sym_dst_re = dst_re; - x->x_sym_dst_im = dst_im; - x->x_sin_cos = (TAB_COMPLEX *)getbytes(x->x_fftsize * sizeof(TAB_COMPLEX)); - tab_rfft_init(x); - outlet_new(&x->x_obj, &s_bang); - return(x); + t_tab_rfft *x = (t_tab_rfft *)pd_new(tab_rfft_class); + t_symbol *src, *dst_re, *dst_im; + int fftsize, i=1; + + if((argc >= 4) && + IS_A_SYMBOL(argv,0) && + IS_A_SYMBOL(argv,1) && + IS_A_SYMBOL(argv,2) && + IS_A_FLOAT(argv,3)) + { + src = (t_symbol *)atom_getsymbolarg(0, argc, argv); + dst_re = (t_symbol *)atom_getsymbolarg(1, argc, argv); + dst_im = (t_symbol *)atom_getsymbolarg(2, argc, argv); + fftsize = (int)atom_getintarg(3, argc, argv); + } + else + { + post("tab_rfft-ERROR: need 3 symbols + 1 float arguments:"); + post(" source_array_name + destination_real_array_name + destination_imag_array_name + FFT-size"); + return(0); + } + + if(fftsize < 8) + fftsize = 8; + + while(i <= fftsize) + i *= 2; + i /= 2; + fftsize = i; + + x->x_fftsize = fftsize; + x->x_sym_src1 = src; + x->x_sym_dst_re = dst_re; + x->x_sym_dst_im = dst_im; + x->x_sin_cos = (TAB_COMPLEX *)getbytes(x->x_fftsize * sizeof(TAB_COMPLEX)); + tab_rfft_init(x); + outlet_new(&x->x_obj, &s_bang); + return(x); } void tab_rfft_setup(void) { - tab_rfft_class = class_new(gensym("tab_rfft"), (t_newmethod)tab_rfft_new, (t_method)tab_rfft_free, - sizeof(t_tab_rfft), 0, A_GIMME, 0); - class_addbang(tab_rfft_class, (t_method)tab_rfft_bang); - class_addlist(tab_rfft_class, (t_method)tab_rfft_list); - class_addmethod(tab_rfft_class, (t_method)tab_rfft_fftsize, gensym("fftsize"), A_DEFFLOAT, 0); - class_addmethod(tab_rfft_class, (t_method)tab_rfft_src, gensym("src"), A_DEFSYMBOL, 0); - class_addmethod(tab_rfft_class, (t_method)tab_rfft_src, gensym("src1"), A_DEFSYMBOL, 0); - class_addmethod(tab_rfft_class, (t_method)tab_rfft_dst_re, gensym("dst_re"), A_DEFSYMBOL, 0); - class_addmethod(tab_rfft_class, (t_method)tab_rfft_dst_im, gensym("dst_im"), A_DEFSYMBOL, 0); - class_addmethod(tab_rfft_class, (t_method)tab_rfft_dst_re, gensym("dst1"), A_DEFSYMBOL, 0); - class_addmethod(tab_rfft_class, (t_method)tab_rfft_dst_im, gensym("dst2"), A_DEFSYMBOL, 0); - class_sethelpsymbol(tab_rfft_class, gensym("iemhelp2/tab_rfft-help")); + tab_rfft_class = class_new(gensym("tab_rfft"), (t_newmethod)tab_rfft_new, (t_method)tab_rfft_free, + sizeof(t_tab_rfft), 0, A_GIMME, 0); + class_addbang(tab_rfft_class, (t_method)tab_rfft_bang); + class_addlist(tab_rfft_class, (t_method)tab_rfft_list); + class_addmethod(tab_rfft_class, (t_method)tab_rfft_fftsize, gensym("fftsize"), A_DEFFLOAT, 0); + class_addmethod(tab_rfft_class, (t_method)tab_rfft_src, gensym("src"), A_DEFSYMBOL, 0); + class_addmethod(tab_rfft_class, (t_method)tab_rfft_src, gensym("src1"), A_DEFSYMBOL, 0); + class_addmethod(tab_rfft_class, (t_method)tab_rfft_dst_re, gensym("dst_re"), A_DEFSYMBOL, 0); + class_addmethod(tab_rfft_class, (t_method)tab_rfft_dst_im, gensym("dst_im"), A_DEFSYMBOL, 0); + class_addmethod(tab_rfft_class, (t_method)tab_rfft_dst_re, gensym("dst1"), A_DEFSYMBOL, 0); + class_addmethod(tab_rfft_class, (t_method)tab_rfft_dst_im, gensym("dst2"), A_DEFSYMBOL, 0); + class_sethelpsymbol(tab_rfft_class, gensym("iemhelp2/tab_rfft-help")); } -- cgit v1.2.1