From bc326b64aa62f4eed9cfc2ccd38acfd36b97b31c Mon Sep 17 00:00:00 2001 From: Franz Zotter Date: Wed, 8 Jan 2014 16:29:15 +0000 Subject: added external [mtx_atan2] svn path=/trunk/externals/iem/iemmatrix/; revision=17238 --- src/iemmatrix_sources.c | 1 + src/iemmatrix_sources.h | 1 + src/mtx_atan2.c | 159 ++++++++++++++++++++++++++++++++++++++++++++++++ 3 files changed, 161 insertions(+) create mode 100644 src/mtx_atan2.c (limited to 'src') diff --git a/src/iemmatrix_sources.c b/src/iemmatrix_sources.c index 0c739b6..ce74b19 100644 --- a/src/iemmatrix_sources.c +++ b/src/iemmatrix_sources.c @@ -11,6 +11,7 @@ void iemmatrix_sources_setup(void) iemtx_abs_setup(); /* mtx_abs.c */ iemtx_add_setup(); /* mtx_add.c */ iemtx_and_setup(); /* mtx_and.c */ + iemtx_atan2_setup(); /* mtx_atan2.c */ iemtx_atan_setup(); /* mtx_atan.c */ iemtx_bessel_setup(); /* mtx_bessel.c */ iemtx_bitand_setup(); /* mtx_bitand.c */ diff --git a/src/iemmatrix_sources.h b/src/iemmatrix_sources.h index 872be3a..2661057 100644 --- a/src/iemmatrix_sources.h +++ b/src/iemmatrix_sources.h @@ -9,6 +9,7 @@ void iematrix_setup(void); /* matrix.c */ void iemtx_abs_setup(void); /* mtx_abs.c */ void iemtx_add_setup(void); /* mtx_add.c */ void iemtx_and_setup(void); /* mtx_and.c */ +void iemtx_atan2_setup(void); /* mtx_atan2.c */ void iemtx_atan_setup(void); /* mtx_atan.c */ void iemtx_bessel_setup(void); /* mtx_bessel.c */ void iemtx_bitand_setup(void); /* mtx_bitand.c */ diff --git a/src/mtx_atan2.c b/src/mtx_atan2.c new file mode 100644 index 0000000..9479e11 --- /dev/null +++ b/src/mtx_atan2.c @@ -0,0 +1,159 @@ +/* + * 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" + +/* + mtx_atan2 +*/ + +/* mtx_atan2 */ +static t_class *mtx_atan2_class, *mtx_atan2scalar_class; + +static void mtx_atan2scalar_matrix(t_mtx_binscalar *x, t_symbol *s, int argc, t_atom *argv) +{ + int n=argc-2; + int row=atom_getfloat(argv), col=atom_getfloat(argv+1); + + t_float offset=x->f; + t_atom *buf; + t_atom *ap=argv+2; + + if(argc<2){post("mtx_atan2: crippled matrix");return; } + adjustsize(&x->m, row, col); + + buf=x->m.atombuffer+2; + + while(n--){ + buf->a_type = A_FLOAT; + buf++->a_w.w_float = atan2f(atom_getfloat(ap),offset); + ap++; + } + outlet_anything(x->x_obj.ob_outlet, gensym("matrix"), argc, x->m.atombuffer); +} +static void mtx_atan2scalar_list(t_mtx_binscalar *x, t_symbol *s, int argc, t_atom *argv) +{ + int n=argc; + t_atom *m; + t_float offset = x->f; + adjustsize(&x->m, 1, argc); + m = x->m.atombuffer; + + while(n--){ + m->a_type = A_FLOAT; + (m++)->a_w.w_float = atan2f(atom_getfloat(argv),offset); + argv++; + } + outlet_list(x->x_obj.ob_outlet, gensym("list"), argc, x->m.atombuffer); +} + +static void mtx_atan2_matrix(t_mtx_binmtx *x, t_symbol *s, int argc, t_atom *argv) +{ + int row=atom_getfloat(argv); + int col=atom_getfloat(argv+1); + t_atom *m; + t_atom *m1 = argv+2; + t_atom *m2 = x->m2.atombuffer+2; + int n = argc-2; + + if (argc<2){ post("mtx_atan2: crippled matrix"); return; } + if ((col<1)||(row<1)) { post("mtx_atan2: invalid dimensions"); return; } + if (col*row>argc-2){ post("sparse matrix not yet supported : use \"mtx_check\""); return; } + + if (!(x->m2.col*x->m2.row)) { + outlet_anything(x->x_obj.ob_outlet, gensym("matrix"), argc, argv); + return; + } + + if ((col!=x->m2.col)||(row!=x->m2.row)){ + post("mtx_atan2: matrix dimensions do not match"); + /* LATER SOLVE THIS */ + return; + } + adjustsize(&x->m, row, col); + m = x->m.atombuffer+2; + + while(n--){ + t_float f1=atom_getfloat(m1++); + t_float f2=atom_getfloat(m2++); + t_float f = atan2f(f1,f2); + SETFLOAT(m, f); + m++; + } + + outlet_anything(x->x_obj.ob_outlet, gensym("matrix"), argc, x->m.atombuffer); +} +static void mtx_atan2_float(t_mtx_binmtx *x, t_float f) +{ + t_matrix *m=&x->m, *m2=&x->m2; + t_atom *ap, *ap2=m2->atombuffer+2; + int row2, col2, n; + + if (!m2->atombuffer){ pd_error(x, "right-hand matrix is missing"); return; } + + row2=atom_getfloat(m2->atombuffer); + col2=atom_getfloat(m2->atombuffer+1); + adjustsize(m, row2, col2); + ap=m->atombuffer+2; + + n=row2*col2; + + while(n--){ + SETFLOAT(ap, atan2f(f,atom_getfloat(ap2++))); + ap++; + } + + outlet_anything(x->x_obj.ob_outlet, gensym("matrix"), m->row*m->col+2, m->atombuffer); +} +static void *mtx_atan2_new(t_symbol *s, int argc, t_atom *argv) +{ + if (argc>1) post("mtx_atan2 : extra arguments ignored"); + if (argc) { + t_mtx_binscalar *x = (t_mtx_binscalar *)pd_new(mtx_atan2scalar_class); + floatinlet_new(&x->x_obj, &x->f); + x->f = atom_getfloatarg(0, argc, argv); + outlet_new(&x->x_obj, 0); + return(x); + } else { + t_mtx_binmtx *x = (t_mtx_binmtx *)pd_new(mtx_atan2_class); + inlet_new(&x->x_obj, &x->x_obj.ob_pd, gensym("matrix"), gensym("")); + outlet_new(&x->x_obj, 0); + x->m.col = x->m.row = x->m2.col = x->m2.row = 0; + x->m.atombuffer = x->m2.atombuffer = 0; + return(x); + } +} + +void mtx_atan2_setup(void) +{ + mtx_atan2_class = class_new(gensym("mtx_atan2"), (t_newmethod)mtx_atan2_new, (t_method)mtx_binmtx_free, + sizeof(t_mtx_binmtx), 0, A_GIMME, 0); + class_addmethod(mtx_atan2_class, (t_method)mtx_atan2_matrix, gensym("matrix"), A_GIMME, 0); + class_addmethod(mtx_atan2_class, (t_method)mtx_bin_matrix2, gensym(""), A_GIMME, 0); + class_addfloat (mtx_atan2_class, mtx_atan2_float); + class_addbang (mtx_atan2_class, mtx_binmtx_bang); + + mtx_atan2scalar_class = class_new(gensym("mtx_atan2"), 0, (t_method)mtx_binscalar_free, + sizeof(t_mtx_binscalar), 0, 0); + class_addmethod(mtx_atan2scalar_class, (t_method)mtx_atan2scalar_matrix, gensym("matrix"), A_GIMME, 0); + class_addlist (mtx_atan2scalar_class, mtx_atan2scalar_list); + class_addbang (mtx_atan2scalar_class, mtx_binscalar_bang); + + + +} + +void iemtx_atan2_setup(void) +{ + mtx_atan2_setup(); +} -- cgit v1.2.1