From b4c8fcc57355d7e998423c7cb609a11a326df44d Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?IOhannes=20m=20zm=C3=B6lnig?= Date: Mon, 27 Jun 2005 15:57:49 +0000 Subject: added [mtx_dbtorms] and [mtx_rmstodb] svn path=/trunk/externals/iem/iemmatrix/; revision=3253 --- doc/mtx_dbtorms.pd | 42 ++++++++++++++++++++++++ doc/mtx_rmstodb.pd | 44 ++++++++++++++++++++++++++ src/iemmatrix.c | 4 +++ src/mtx_dbtorms.c | 93 ++++++++++++++++++++++++++++++++++++++++++++++++++++++ src/mtx_rmstodb.c | 89 +++++++++++++++++++++++++++++++++++++++++++++++++++ 5 files changed, 272 insertions(+) create mode 100644 doc/mtx_dbtorms.pd create mode 100644 doc/mtx_rmstodb.pd create mode 100644 src/mtx_dbtorms.c create mode 100644 src/mtx_rmstodb.c diff --git a/doc/mtx_dbtorms.pd b/doc/mtx_dbtorms.pd new file mode 100644 index 0000000..d6a21a8 --- /dev/null +++ b/doc/mtx_dbtorms.pd @@ -0,0 +1,42 @@ +#N canvas 382 124 687 471 10; +#X obj 485 95 matrix; +#X text 435 77 see also help for; +#X obj 181 100 mtx_eye; +#X obj 64 285 mtx_rand 4 2; +#X msg 64 263 bang; +#X obj 64 307 t a a; +#X obj 105 307 mtx_print org; +#X obj 64 357 t a a; +#X msg 181 79 3 3; +#X obj 48 134 mtx_dbtorms; +#X obj 64 380 mtx_dbtorms; +#X obj 483 125 mtx_rmstodb; +#X obj 483 145 dbtorms; +#X obj 181 121 mtx_* 100; +#X obj 48 162 mtx_print dbtorms; +#X obj 64 330 mtx_rmstodb; +#X obj 105 357 mtx_print db; +#X obj 64 407 mtx_print db; +#X obj 48 100 mtx 2 2; +#X text 188 7 convert dB(pd) to rms; +#X text 44 34 convert dB(pd) to a linear value for each element of +a matrix; +#X text 290 305 note: dB(pd):=dB(techn)+100; +#X text 307 337 this means: 100dB(pd)==unity gain (==1); +#X text 404 375 0dB(pd)==zero gain (==0); +#X msg 48 80 0 100 97 106; +#X text 391 354 106dB(pd)~=double gain (==2); +#X connect 2 0 13 0; +#X connect 3 0 5 0; +#X connect 4 0 3 0; +#X connect 5 0 15 0; +#X connect 5 1 6 0; +#X connect 7 0 10 0; +#X connect 7 1 16 0; +#X connect 8 0 2 0; +#X connect 9 0 14 0; +#X connect 10 0 17 0; +#X connect 13 0 9 0; +#X connect 15 0 7 0; +#X connect 18 0 9 0; +#X connect 24 0 18 0; diff --git a/doc/mtx_rmstodb.pd b/doc/mtx_rmstodb.pd new file mode 100644 index 0000000..f12a974 --- /dev/null +++ b/doc/mtx_rmstodb.pd @@ -0,0 +1,44 @@ +#N canvas 382 124 687 471 10; +#X obj 485 95 matrix; +#X text 435 77 see also help for; +#X obj 181 90 mtx_eye; +#X obj 64 258 mtx_rand 4 2; +#X msg 64 233 bang; +#X obj 64 307 t a a; +#X obj 105 307 mtx_print org; +#X obj 64 357 t a a; +#X msg 181 71 3 3; +#X obj 181 110 mtx_* 100; +#X obj 48 162 mtx_print dbtorms; +#X obj 48 100 mtx 2 2; +#X text 290 305 note: dB(pd):=dB(techn)+100; +#X text 307 337 this means: 100dB(pd)==unity gain (==1); +#X text 404 375 0dB(pd)==zero gain (==0); +#X text 391 354 106dB(pd)~=double gain (==2); +#X text 188 7 convert rms to dB(pd); +#X text 44 34 convert a linear value to dB(pd) to for each element +of a matrix; +#X obj 48 134 mtx_rmstodb; +#X obj 64 330 mtx_dbtorms; +#X obj 64 380 mtx_rmstodb; +#X obj 105 357 mtx_print rms; +#X obj 64 407 mtx_print db; +#X obj 483 124 mtx_dbtorms; +#X obj 483 145 rmstodb; +#X msg 48 80 0 1 0.1 2; +#X obj 64 277 mtx_* 100; +#X connect 2 0 9 0; +#X connect 3 0 26 0; +#X connect 4 0 3 0; +#X connect 5 0 19 0; +#X connect 5 1 6 0; +#X connect 7 0 20 0; +#X connect 7 1 21 0; +#X connect 8 0 2 0; +#X connect 9 0 18 0; +#X connect 11 0 18 0; +#X connect 18 0 10 0; +#X connect 19 0 7 0; +#X connect 20 0 22 0; +#X connect 25 0 11 0; +#X connect 26 0 5 0; diff --git a/src/iemmatrix.c b/src/iemmatrix.c index 145b33b..fd884f6 100644 --- a/src/iemmatrix.c +++ b/src/iemmatrix.c @@ -20,6 +20,8 @@ void mtx_sub_setup(); void mtx_pow_setup(); void mtx_col_setup(); void mtx_cholesky_setup(); +void mtx_dbtorms_setup(); +void mtx_rmstodb_setup(); void mtx_diag_setup(); void mtx_diegg_setup(); void mtx_distance2_setup(); @@ -67,6 +69,8 @@ void iemtx_setup(){ mtx_gauss_setup(); mtx_inverse_setup(); mtx_log_setup(); + mtx_dbtorms_setup(); + mtx_rmstodb_setup(); mtx_matrix_setup(); mtx_mean_setup(); mtx_check_setup(); diff --git a/src/mtx_dbtorms.c b/src/mtx_dbtorms.c new file mode 100644 index 0000000..4768078 --- /dev/null +++ b/src/mtx_dbtorms.c @@ -0,0 +1,93 @@ +/* + * iemmatrix + * + * objects for manipulating simple matrices + * mostly refering to matlab/octave matrix functions + * + * Copyright (c) IOhannes m zmölnig, forum::für::umläute + * IEM, Graz, Austria + * + * For information on usage and redistribution, and for a DISCLAIMER OF ALL + * WARRANTIES, see the file, "LICENSE.txt," in this distribution. + * + */ +#include "iemmatrix.h" + +#define LOGTEN 2.302585092994 + +/* mtx_dbtorms: B=log(A); B[n,m]=e^A[n,m] */ + +static t_class *mtx_dbtorms_class; + +static void mtx_dbtorms_matrix(t_mtx_binmtx *x, t_symbol *s, int argc, t_atom *argv) +{ + int row=atom_getfloat(argv++); + int col=atom_getfloat(argv++); + t_atom *m; + int n = argc-2; + + if (argc<2){ post("mtx_dbtorms: crippled matrix"); return; } + if ((col<1)||(row<1)) { post("mtx_dbtorms: invalid dimensions"); return; } + if (col*row>argc-2){ post("sparse matrix not yet supported : use \"mtx_check\""); return; } + + adjustsize(&x->m, row, col); + m = x->m.atombuffer+2; + + while(n--){ + t_float f=atom_getfloat(argv++); + t_float v=0; + f=(f>485)?485:f; + v=(f<=0)?0:exp((LOGTEN*0.05) * (f-100.)); + SETFLOAT(m, (v<0)?0:v); + m++; + } + + outlet_anything(x->x_obj.ob_outlet, gensym("matrix"), argc, x->m.atombuffer); +} + +static void mtx_dbtorms_list(t_mtx_binscalar *x, t_symbol *s, int argc, t_atom *argv) +{ + int n=argc; + t_atom *m; + t_float factor = x->f; + + adjustsize(&x->m, 1, argc); + m = x->m.atombuffer; + + while(n--){ + t_float f=atom_getfloat(argv++); + t_float v=0; + f=(f>485)?485:f; + v=(f<=0)?0:exp((LOGTEN*0.05) * (f-100.)); + SETFLOAT(m, (v<0)?0:v); + m++; + } + + outlet_list(x->x_obj.ob_outlet, gensym("list"), argc, x->m.atombuffer); +} + +static void *mtx_dbtorms_new(t_symbol *s) +{ + /* element log */ + t_matrix *x = (t_matrix *)pd_new(mtx_dbtorms_class); + outlet_new(&x->x_obj, 0); + x->col = x->row = 0; + x->atombuffer = 0; + return(x); +} + +void mtx_dbtorms_setup(void) +{ + mtx_dbtorms_class = class_new(gensym("mtx_dbtorms"), (t_newmethod)mtx_dbtorms_new, (t_method)mtx_binmtx_free, + sizeof(t_mtx_binmtx), 0, A_GIMME, 0); + class_addmethod(mtx_dbtorms_class, (t_method)mtx_dbtorms_matrix, gensym("matrix"), A_GIMME, 0); + class_addlist (mtx_dbtorms_class, mtx_dbtorms_list); + class_addbang (mtx_dbtorms_class, mtx_binmtx_bang); + + class_sethelpsymbol(mtx_dbtorms_class, gensym("iemmatrix/mtx_dbtorms")); +} + +void iemtx_dbtorms_setup(void) +{ + mtx_dbtorms_setup(); +} diff --git a/src/mtx_rmstodb.c b/src/mtx_rmstodb.c new file mode 100644 index 0000000..f5f6a65 --- /dev/null +++ b/src/mtx_rmstodb.c @@ -0,0 +1,89 @@ +/* + * iemmatrix + * + * objects for manipulating simple matrices + * mostly refering to matlab/octave matrix functions + * + * Copyright (c) IOhannes m zmölnig, forum::für::umläute + * IEM, Graz, Austria + * + * For information on usage and redistribution, and for a DISCLAIMER OF ALL + * WARRANTIES, see the file, "LICENSE.txt," in this distribution. + * + */ +#include "iemmatrix.h" + +#define LOGTEN 2.302585092994 + +/* mtx_rmstodb: B=log(A); B[n,m]=e^A[n,m] */ + +static t_class *mtx_rmstodb_class; + +static void mtx_rmstodb_matrix(t_mtx_binmtx *x, t_symbol *s, int argc, t_atom *argv) +{ + int row=atom_getfloat(argv++); + int col=atom_getfloat(argv++); + t_atom *m; + int n = argc-2; + + if (argc<2){ post("mtx_rmstodb: crippled matrix"); return; } + if ((col<1)||(row<1)) { post("mtx_rmstodb: invalid dimensions"); return; } + if (col*row>argc-2){ post("sparse matrix not yet supported : use \"mtx_check\""); return; } + + adjustsize(&x->m, row, col); + m = x->m.atombuffer+2; + + while(n--){ + t_float f=atom_getfloat(argv++); + t_float v=(f<0)?0.:(100+20./LOGTEN * log(f)); + SETFLOAT(m, (v<0)?0:v); + m++; + } + + outlet_anything(x->x_obj.ob_outlet, gensym("matrix"), argc, x->m.atombuffer); +} + +static void mtx_rmstodb_list(t_mtx_binscalar *x, t_symbol *s, int argc, t_atom *argv) +{ + int n=argc; + t_atom *m; + t_float factor = x->f; + + adjustsize(&x->m, 1, argc); + m = x->m.atombuffer; + + while(n--){ + t_float f=atom_getfloat(argv++); + t_float v=(f<0)?0.:(100+20./LOGTEN * log(f)); + SETFLOAT(m, (v<0)?0:v); + m++; + } + + outlet_list(x->x_obj.ob_outlet, gensym("list"), argc, x->m.atombuffer); +} + +static void *mtx_rmstodb_new(t_symbol *s) +{ + /* element log */ + t_matrix *x = (t_matrix *)pd_new(mtx_rmstodb_class); + outlet_new(&x->x_obj, 0); + x->col = x->row = 0; + x->atombuffer = 0; + return(x); +} + +void mtx_rmstodb_setup(void) +{ + mtx_rmstodb_class = class_new(gensym("mtx_rmstodb"), (t_newmethod)mtx_rmstodb_new, (t_method)mtx_binmtx_free, + sizeof(t_mtx_binmtx), 0, A_GIMME, 0); + class_addmethod(mtx_rmstodb_class, (t_method)mtx_rmstodb_matrix, gensym("matrix"), A_GIMME, 0); + class_addlist (mtx_rmstodb_class, mtx_rmstodb_list); + class_addbang (mtx_rmstodb_class, mtx_binmtx_bang); + + class_sethelpsymbol(mtx_rmstodb_class, gensym("iemmatrix/mtx_rmstodb")); +} + +void iemtx_rmstodb_setup(void) +{ + mtx_rmstodb_setup(); +} -- cgit v1.2.1