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-rw-r--r--externals/extra/0.43.2/expr~/vexp_if.c1225
1 files changed, 0 insertions, 1225 deletions
diff --git a/externals/extra/0.43.2/expr~/vexp_if.c b/externals/extra/0.43.2/expr~/vexp_if.c
deleted file mode 100644
index 3028ff82..00000000
--- a/externals/extra/0.43.2/expr~/vexp_if.c
+++ /dev/null
@@ -1,1225 +0,0 @@
-/*
- * jMax
- * Copyright (C) 1994, 1995, 1998, 1999 by IRCAM-Centre Georges Pompidou, Paris, France.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version 2
- * of the License, or (at your option) any later version.
- *
- * See file LICENSE for further informations on licensing terms.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
- *
- * Based on Max/ISPW by Miller Puckette.
- *
- * Authors: Maurizio De Cecco, Francois Dechelle, Enzo Maggi, Norbert Schnell.
- *
- */
-
-/* "expr" was written by Shahrokh Yadegari c. 1989. -msp */
-/* "expr~" and "fexpr~" conversion by Shahrokh Yadegari c. 1999,2000 */
-
-/*
- * Feb 2002 - added access to variables
- * multiple expression support
- * new short hand forms for fexpr~
- * now $y or $y1 = $y1[-1] and $y2 = $y2[-1]
- * --sdy
- */
-
-#include <stdio.h>
-#include <string.h>
-#include <stdlib.h>
-
-#include "vexp.h"
-
-static char *exp_version = "0.4";
-
-extern struct ex_ex *ex_eval(struct expr *expr, struct ex_ex *eptr,
- struct ex_ex *optr, int n);
-
-#ifdef PD
-static t_class *expr_class;
-static t_class *expr_tilde_class;
-static t_class *fexpr_tilde_class;
-#else /* MSP */
-void *expr_tilde_class;
-#endif
-
-
-/*------------------------- expr class -------------------------------------*/
-
-extern int expr_donew(struct expr *expr, int ac, t_atom *av);
-
-/*#define EXPR_DEBUG*/
-
-static void expr_bang(t_expr *x);
-t_int *expr_perform(t_int *w);
-
-
-static void
-expr_list(t_expr *x, t_symbol *s, int argc, const fts_atom_t *argv)
-{
- int i;
-
- if (argc > MAX_VARS) argc = MAX_VARS;
-
- for (i = 0; i < argc; i++)
- {
- if (argv[i].a_type == A_FLOAT)
- {
- if (x->exp_var[i].ex_type == ET_FI)
- x->exp_var[i].ex_flt = argv[i].a_w.w_float;
- else if (x->exp_var[i].ex_type == ET_II)
- x->exp_var[i].ex_int = argv[i].a_w.w_float;
- else if (x->exp_var[i].ex_type)
- pd_error(x, "expr: type mismatch");
- }
- else if (argv[i].a_type == A_SYMBOL)
- {
- if (x->exp_var[i].ex_type == ET_SI)
- x->exp_var[i].ex_ptr = (char *)argv[i].a_w.w_symbol;
- else if (x->exp_var[i].ex_type)
- pd_error(x, "expr: type mismatch");
- }
- }
- expr_bang(x);
-}
-
-static void
-expr_flt(t_expr *x, t_float f, int in)
-{
- if (in > MAX_VARS)
- return;
-
- if (x->exp_var[in].ex_type == ET_FI)
- x->exp_var[in].ex_flt = f;
- else if (x->exp_var[in].ex_type == ET_II)
- x->exp_var[in].ex_int = f;
-}
-
-static t_class *exprproxy_class;
-
-typedef struct _exprproxy {
- t_pd p_pd;
- int p_index;
- t_expr *p_owner;
- struct _exprproxy *p_next;
-} t_exprproxy;
-
-t_exprproxy *exprproxy_new(t_expr *owner, int indx);
-void exprproxy_float(t_exprproxy *p, t_floatarg f);
-
-t_exprproxy *
-exprproxy_new(t_expr *owner, int indx)
-{
- t_exprproxy *x = (t_exprproxy *)pd_new(exprproxy_class);
- x->p_owner = owner;
- x->p_index = indx;
- x->p_next = owner->exp_proxy;
- owner->exp_proxy = x;
- return (x);
-}
-
-void
-exprproxy_float(t_exprproxy *p, t_floatarg f)
-{
- t_expr *x = p->p_owner;
- int in = p->p_index;
-
- if (in > MAX_VARS)
- return;
-
- if (x->exp_var[in].ex_type == ET_FI)
- x->exp_var[in].ex_flt = f;
- else if (x->exp_var[in].ex_type == ET_II)
- x->exp_var[in].ex_int = f;
-}
-
-/* method definitions */
-static void
-expr_ff(t_expr *x)
-{
- t_exprproxy *y;
- int i;
-
- y = x->exp_proxy;
- while (y)
- {
- x->exp_proxy = y->p_next;
-#ifdef PD
- pd_free(&y->p_pd);
-#else /*MSP */
- /* SDY find out what needs to be called for MSP */
-
-#endif
- y = x->exp_proxy;
- }
- for (i = 0 ; i < x->exp_nexpr; i++);
- if (x->exp_stack[i])
- fts_free(x->exp_stack[i]);
-/*
- * SDY free all the allocated buffers here for expr~ and fexpr~
- * check to see if there are others
- */
- for (i = 0; i < MAX_VARS; i++) {
- if (x->exp_p_var[i])
- fts_free(x->exp_p_var[i]);
- if (x->exp_p_res[i])
- fts_free(x->exp_p_res[i]);
- if (x->exp_tmpres[i])
- fts_free(x->exp_tmpres[i]);
- }
-
-
-}
-
-static void
-expr_bang(t_expr *x)
-{
- int i;
-
-#ifdef EXPR_DEBUG
- {
- struct ex_ex *eptr;
-
- for (i = 0, eptr = x->exp_var; ; eptr++, i++)
- {
- if (!eptr->ex_type)
- break;
- switch (eptr->ex_type)
- {
- case ET_II:
- fprintf(stderr,"ET_II: %d \n", eptr->ex_int);
- break;
-
- case ET_FI:
- fprintf(stderr,"ET_FT: %f \n", eptr->ex_flt);
- break;
-
- default:
- fprintf(stderr,"oups\n");
- }
- }
- }
-#endif
- /* banging a signal or filter object means nothing */
- if (!IS_EXPR(x))
- return;
-
- for (i = x->exp_nexpr - 1; i > -1 ; i--) {
- if (!ex_eval(x, x->exp_stack[i], &x->exp_res[i], 0)) {
- /*fprintf(stderr,"expr_bang(error evaluation)\n"); */
- /* SDY now that we have mutiple ones, on error we should
- * continue
- return;
- */
- }
- switch(x->exp_res[i].ex_type) {
- case ET_INT:
- outlet_float(x->exp_outlet[i],
- (t_float) x->exp_res[i].ex_int);
- break;
-
- case ET_FLT:
- outlet_float(x->exp_outlet[i], x->exp_res[i].ex_flt);
- break;
-
- case ET_SYM:
- /* CHANGE this will have to be taken care of */
-
- default:
- post("expr: bang: unrecognized result %ld\n", x->exp_res[i].ex_type);
- }
- }
-}
-
-static t_expr *
-#ifdef PD
-expr_new(t_symbol *s, int ac, t_atom *av)
-#else /* MSP */
-Nexpr_new(t_symbol *s, int ac, t_atom *av)
-#endif
-{
- struct expr *x;
- int i, ninlet;
- struct ex_ex *eptr;
- t_atom fakearg;
- int dsp_index; /* keeping track of the dsp inlets */
-
-
-/*
- * SDY - we may need to call dsp_setup() in this function
- */
-
- if (!ac)
- {
- ac = 1;
- av = &fakearg;
- SETFLOAT(&fakearg, 0);
- }
-
-#ifdef PD
- /*
- * figure out if we are expr, expr~, or fexpr~
- */
- if (!strcmp("expr", s->s_name)) {
- x = (t_expr *)pd_new(expr_class);
- SET_EXPR(x);
- } else if (!strcmp("expr~", s->s_name)) {
- x = (t_expr *)pd_new(expr_tilde_class);
- SET_EXPR_TILDE(x);
- } else if (!strcmp("fexpr~", s->s_name)) {
- x = (t_expr *)pd_new(fexpr_tilde_class);
- SET_FEXPR_TILDE(x);
- } else {
- post("expr_new: bad object name '%s'");
- /* assume expr */
- x = (t_expr *)pd_new(expr_class);
- SET_EXPR(x);
- }
-#else /* MSP */
- /* for now assume an expr~ */
- x = (t_expr *)pd_new(expr_tilde_class);
- SET_EXPR_TILDE(x);
-#endif
-
- /*
- * initialize the newly allocated object
- */
- x->exp_proxy = 0;
- x->exp_nivec = 0;
- x->exp_nexpr = 0;
- x->exp_error = 0;
- for (i = 0; i < MAX_VARS; i++) {
- x->exp_stack[i] = (struct ex_ex *)0;
- x->exp_outlet[i] = (t_outlet *)0;
- x->exp_res[i].ex_type = 0;
- x->exp_res[i].ex_int = 0;
- x->exp_p_res[i] = (t_float *)0;
- x->exp_var[i].ex_type = 0;
- x->exp_var[i].ex_int = 0;
- x->exp_p_var[i] = (t_float *)0;
- x->exp_tmpres[i] = (t_float *)0;
- x->exp_vsize = 0;
- }
- x->exp_f = 0; /* save the control value to be transformed to signal */
-
-
- if (expr_donew(x, ac, av))
- {
- pd_error(x, "expr: syntax error");
-/*
-SDY the following coredumps why?
- pd_free(&x->exp_ob.ob_pd);
-*/
- return (0);
- }
-
- ninlet = 1;
- for (i = 0, eptr = x->exp_var; i < MAX_VARS ; i++, eptr++)
- if (eptr->ex_type) {
- ninlet = i + 1;
- }
-
- /*
- * create the new inlets
- */
- for (i = 1, eptr = x->exp_var + 1, dsp_index=1; i<ninlet ; i++, eptr++)
- {
- t_exprproxy *p;
- switch (eptr->ex_type)
- {
- case 0:
- /* nothing is using this inlet */
- if (i < ninlet)
-#ifdef PD
- floatinlet_new(&x->exp_ob, &eptr->ex_flt);
-#else /* MSP */
- inlet_new(&x->exp_ob, "float");
-#endif
- break;
-
- case ET_II:
- case ET_FI:
- p = exprproxy_new(x, i);
-#ifdef PD
- inlet_new(&x->exp_ob, &p->p_pd, &s_float, &s_float);
-#else /* MSP */
- inlet_new(&x->exp_ob, "float");
-#endif
- break;
-
- case ET_SI:
-#ifdef PD
- symbolinlet_new(&x->exp_ob, (t_symbol **)&eptr->ex_ptr);
-#else /* MSP */
- inlet_new(&x->exp_ob, "symbol");
-#endif
- break;
-
- case ET_XI:
- case ET_VI:
- if (!IS_EXPR(x)) {
- dsp_index++;
-#ifdef PD
- inlet_new(&x->exp_ob, &x->exp_ob.ob_pd,
- &s_signal, &s_signal);
-#else /* MSP */
- inlet_new(&x->exp_ob, "signal");
-#endif
- break;
- } else
- post("expr: internal error expr_new");
- default:
- pd_error(x, "expr: bad type (%lx) inlet = %d\n",
- eptr->ex_type, i + 1);
- break;
- }
- }
- if (IS_EXPR(x)) {
- for (i = 0; i < x->exp_nexpr; i++)
- x->exp_outlet[i] = outlet_new(&x->exp_ob, 0);
- } else {
- for (i = 0; i < x->exp_nexpr; i++)
- x->exp_outlet[i] = outlet_new(&x->exp_ob,
- gensym("signal"));
- x->exp_nivec = dsp_index;
- }
- /*
- * for now assume a 64 sample size block but this may change once
- * expr_dsp is called
- */
- x->exp_vsize = 64;
- for (i = 0; i < x->exp_nexpr; i++) {
- x->exp_p_res[i] = fts_calloc(x->exp_vsize, sizeof (t_float));
- x->exp_tmpres[i] = fts_calloc(x->exp_vsize, sizeof (t_float));
- }
- for (i = 0; i < MAX_VARS; i++)
- x->exp_p_var[i] = fts_calloc(x->exp_vsize, sizeof (t_float));
-
- return (x);
-}
-
-t_int *
-expr_perform(t_int *w)
-{
- int i, j;
- t_expr *x = (t_expr *)w[1];
- struct ex_ex res;
- int n;
-
- /* sanity check */
- if (IS_EXPR(x)) {
- post("expr_perform: bad x->exp_flags = %d", x->exp_flags);
- abort();
- }
-
- if (x->exp_flags & EF_STOP) {
- for (i = 0; i < x->exp_nexpr; i++)
- memset(x->exp_res[i].ex_vec, 0,
- x->exp_vsize * sizeof (t_float));
- return (w + 2);
- }
-
- if (IS_EXPR_TILDE(x)) {
- /*
- * if we have only one expression, we can right on
- * on the output directly, otherwise we have to copy
- * the data because, outputs could be the same buffer as
- * inputs
- */
- if ( x->exp_nexpr == 1)
- ex_eval(x, x->exp_stack[0], &x->exp_res[0], 0);
- else {
- res.ex_type = ET_VEC;
- for (i = 0; i < x->exp_nexpr; i++) {
- res.ex_vec = x->exp_tmpres[i];
- ex_eval(x, x->exp_stack[i], &res, 0);
- }
- n = x->exp_vsize * sizeof(t_float);
- for (i = 0; i < x->exp_nexpr; i++)
- memcpy(x->exp_res[i].ex_vec, x->exp_tmpres[i],
- n);
- }
- return (w + 2);
- }
-
- if (!IS_FEXPR_TILDE(x)) {
- post("expr_perform: bad x->exp_flags = %d - expecting fexpr",
- x->exp_flags);
- return (w + 2);
- }
- /*
- * since the output buffer could be the same as one of the inputs
- * we need to keep the output in a different buffer
- */
- for (i = 0; i < x->exp_vsize; i++) for (j = 0; j < x->exp_nexpr; j++) {
- res.ex_type = 0;
- res.ex_int = 0;
- ex_eval(x, x->exp_stack[j], &res, i);
- switch (res.ex_type) {
- case ET_INT:
- x->exp_tmpres[j][i] = (t_float) res.ex_int;
- break;
- case ET_FLT:
- x->exp_tmpres[j][i] = res.ex_flt;
- break;
- default:
- post("expr_perform: bad result type %d", res.ex_type);
- }
- }
- /*
- * copy inputs and results to the save buffers
- * inputs need to be copied first as the output buffer can be
- * same as an input buffer
- */
- n = x->exp_vsize * sizeof(t_float);
- for (i = 0; i < MAX_VARS; i++)
- if (x->exp_var[i].ex_type == ET_XI)
- memcpy(x->exp_p_var[i], x->exp_var[i].ex_vec, n);
- for (i = 0; i < x->exp_nexpr; i++) {
- memcpy(x->exp_p_res[i], x->exp_tmpres[i], n);
- memcpy(x->exp_res[i].ex_vec, x->exp_tmpres[i], n);
- }
- return (w + 2);
-}
-
-static void
-expr_dsp(t_expr *x, t_signal **sp)
-{
- int i, nv;
- int newsize;
-
- x->exp_error = 0; /* reset all errors */
- newsize = (x->exp_vsize != sp[0]->s_n);
- x->exp_vsize = sp[0]->s_n; /* record the vector size */
- for (i = 0; i < x->exp_nexpr; i++) {
- x->exp_res[i].ex_type = ET_VEC;
- x->exp_res[i].ex_vec = sp[x->exp_nivec + i]->s_vec;
- }
- for (i = 0, nv = 0; i < MAX_VARS; i++)
- /*
- * the first inlet is always a signal
- *
- * SDY We are warning the user till this limitation
- * is taken away from pd
- */
- if (!i || x->exp_var[i].ex_type == ET_VI ||
- x->exp_var[i].ex_type == ET_XI) {
- if (nv >= x->exp_nivec) {
- post("expr_dsp int. err nv = %d, x->exp_nive = %d",
- nv, x->exp_nivec);
- abort();
- }
- x->exp_var[i].ex_vec = sp[nv]->s_vec;
- nv++;
- }
- /* we always have one inlet but we may not use it */
- if (nv != x->exp_nivec && (nv != 0 || x->exp_nivec != 1)) {
- post("expr_dsp internal error 2 nv = %d, x->exp_nive = %d",
- nv, x->exp_nivec);
- abort();
- }
-
- dsp_add(expr_perform, 1, (t_int *) x);
-
- /*
- * The buffer are now being allocated for expr~ and fexpr~
- * because if we have more than one expression we need the
- * temporary buffers, The save buffers are not really needed
- if (!IS_FEXPR_TILDE(x))
- return;
- */
- /*
- * if we have already allocated the buffers and we have a
- * new size free all the buffers
- */
- if (x->exp_p_res[0]) {
- if (!newsize)
- return;
- /*
- * if new size, reallocate all the previous buffers for fexpr~
- */
- for (i = 0; i < x->exp_nexpr; i++) {
- fts_free(x->exp_p_res[i]);
- fts_free(x->exp_tmpres[i]);
- }
- for (i = 0; i < MAX_VARS; i++)
- fts_free(x->exp_p_var[i]);
-
- }
- for (i = 0; i < x->exp_nexpr; i++) {
- x->exp_p_res[i] = fts_calloc(x->exp_vsize, sizeof (t_float));
- x->exp_tmpres[i] = fts_calloc(x->exp_vsize, sizeof (t_float));
- }
- for (i = 0; i < MAX_VARS; i++)
- x->exp_p_var[i] = fts_calloc(x->exp_vsize, sizeof (t_float));
-}
-
-/*
- * expr_verbose -- toggle the verbose switch
- */
-static void
-expr_verbose(t_expr *x)
-{
- if (x->exp_flags & EF_VERBOSE) {
- x->exp_flags &= ~EF_VERBOSE;
- post ("verbose off");
- } else {
- x->exp_flags |= EF_VERBOSE;
- post ("verbose on");
- }
-}
-
-/*
- * expr_start -- turn on expr processing for now only used for fexpr~
- */
-static void
-expr_start(t_expr *x)
-{
- x->exp_flags &= ~EF_STOP;
-}
-
-/*
- * expr_stop -- turn on expr processing for now only used for fexpr~
- */
-static void
-expr_stop(t_expr *x)
-{
- x->exp_flags |= EF_STOP;
-}
-static void
-fexpr_set_usage(void)
-{
- post("fexpr~: set val ...");
- post("fexpr~: set {xy}[#] val ...");
-}
-
-/*
- * fexpr_tilde_set -- set previous values of the buffers
- * set val val ... - sets the first elements of output buffers
- * set x val ... - sets the elements of the first input buffer
- * set x# val ... - sets the elements of the #th input buffers
- * set y val ... - sets the elements of the first output buffer
- * set y# val ... - sets the elements of the #th output buffers
- */
-static void
-fexpr_tilde_set(t_expr *x, t_symbol *s, int argc, t_atom *argv)
-{
- t_symbol *sx;
- int vecno;
- int i, nargs;
-
- if (!argc)
- return;
- sx = atom_getsymbolarg(0, argc, argv);
- switch(sx->s_name[0]) {
- case 'x':
- if (!sx->s_name[1])
- vecno = 0;
- else {
- vecno = atoi(sx->s_name + 1);
- if (!vecno) {
- post("fexpr~.set: bad set x vector number");
- fexpr_set_usage();
- return;
- }
- if (vecno >= MAX_VARS) {
- post("fexpr~.set: no more than %d inlets",
- MAX_VARS);
- return;
- }
- vecno--;
- }
- if (x->exp_var[vecno].ex_type != ET_XI) {
- post("fexpr~-set: no signal at inlet %d", vecno + 1);
- return;
- }
- nargs = argc - 1;
- if (!nargs) {
- post("fexpr~-set: no argument to set");
- return;
- }
- if (nargs > x->exp_vsize) {
- post("fexpr~.set: %d set values larger than vector size(%d)",
- nargs, x->exp_vsize);
- post("fexpr~.set: only the first %d values will be set",
- x->exp_vsize);
- nargs = x->exp_vsize;
- }
- for (i = 0; i < nargs; i++) {
- x->exp_p_var[vecno][x->exp_vsize - i - 1] =
- atom_getfloatarg(i + 1, argc, argv);
- }
- return;
- case 'y':
- if (!sx->s_name[1])
- vecno = 0;
- else {
- vecno = atoi(sx->s_name + 1);
- if (!vecno) {
- post("fexpr~.set: bad set y vector number");
- fexpr_set_usage();
- return;
- }
- vecno--;
- }
- if (vecno >= x->exp_nexpr) {
- post("fexpr~.set: only %d outlets", x->exp_nexpr);
- return;
- }
- nargs = argc - 1;
- if (!nargs) {
- post("fexpr~-set: no argument to set");
- return;
- }
- if (nargs > x->exp_vsize) {
- post("fexpr~-set: %d set values larger than vector size(%d)",
- nargs, x->exp_vsize);
- post("fexpr~.set: only the first %d values will be set",
- x->exp_vsize);
- nargs = x->exp_vsize;
- }
- for (i = 0; i < nargs; i++) {
- x->exp_p_res[vecno][x->exp_vsize - i - 1] =
- atom_getfloatarg(i + 1, argc, argv);
- }
- return;
- case 0:
- if (argc > x->exp_nexpr) {
- post("fexpr~.set: only %d outlets available",
- x->exp_nexpr);
- post("fexpr~.set: the extra set values are ignored");
- }
- for (i = 0; i < x->exp_nexpr && i < argc; i++)
- x->exp_p_res[i][x->exp_vsize - 1] =
- atom_getfloatarg(i, argc, argv);
- return;
- default:
- fexpr_set_usage();
- return;
- }
- return;
-}
-
-/*
- * fexpr_tilde_clear - clear the past buffers
- */
-static void
-fexpr_tilde_clear(t_expr *x, t_symbol *s, int argc, t_atom *argv)
-{
- t_symbol *sx;
- int vecno;
- int i, nargs;
-
- /*
- * if no arguement clear all input and output buffers
- */
- if (!argc) {
- for (i = 0; i < x->exp_nexpr; i++)
- memset(x->exp_p_res[i], 0, x->exp_vsize*sizeof(t_float));
- for (i = 0; i < MAX_VARS; i++)
- if (x->exp_var[i].ex_type == ET_XI)
- memset(x->exp_p_var[i], 0,
- x->exp_vsize*sizeof(t_float));
- return;
- }
- if (argc > 1) {
- post("fexpr~ usage: 'clear' or 'clear {xy}[#]'");
- return;
- }
-
- sx = atom_getsymbolarg(0, argc, argv);
- switch(sx->s_name[0]) {
- case 'x':
- if (!sx->s_name[1])
- vecno = 0;
- else {
- vecno = atoi(sx->s_name + 1);
- if (!vecno) {
- post("fexpr~.clear: bad clear x vector number");
- return;
- }
- if (vecno >= MAX_VARS) {
- post("fexpr~.clear: no more than %d inlets",
- MAX_VARS);
- return;
- }
- vecno--;
- }
- if (x->exp_var[vecno].ex_type != ET_XI) {
- post("fexpr~-clear: no signal at inlet %d", vecno + 1);
- return;
- }
- memset(x->exp_p_var[vecno], 0, x->exp_vsize*sizeof(t_float));
- return;
- case 'y':
- if (!sx->s_name[1])
- vecno = 0;
- else {
- vecno = atoi(sx->s_name + 1);
- if (!vecno) {
- post("fexpr~.clear: bad clear y vector number");
- return;
- }
- vecno--;
- }
- if (vecno >= x->exp_nexpr) {
- post("fexpr~.clear: only %d outlets", x->exp_nexpr);
- return;
- }
- memset(x->exp_p_res[vecno], 0, x->exp_vsize*sizeof(t_float));
- return;
- return;
- default:
- post("fexpr~ usage: 'clear' or 'clear {xy}[#]'");
- return;
- }
- return;
-}
-
-#ifdef PD
-
-void
-expr_setup(void)
-{
- /*
- * expr initialization
- */
- expr_class = class_new(gensym("expr"), (t_newmethod)expr_new,
- (t_method)expr_ff, sizeof(t_expr), 0, A_GIMME, 0);
- class_addlist(expr_class, expr_list);
- exprproxy_class = class_new(gensym("exprproxy"), 0,
- 0, sizeof(t_exprproxy), CLASS_PD, 0);
- class_addfloat(exprproxy_class, exprproxy_float);
-
- /*
- * expr~ initialization
- */
- expr_tilde_class = class_new(gensym("expr~"), (t_newmethod)expr_new,
- (t_method)expr_ff, sizeof(t_expr), 0, A_GIMME, 0);
- class_addmethod(expr_tilde_class, nullfn, gensym("signal"), 0);
- CLASS_MAINSIGNALIN(expr_tilde_class, t_expr, exp_f);
- class_addmethod(expr_tilde_class,(t_method)expr_dsp, gensym("dsp"), 0);
- class_sethelpsymbol(expr_tilde_class, gensym("expr"));
- /*
- * fexpr~ initialization
- */
- fexpr_tilde_class = class_new(gensym("fexpr~"), (t_newmethod)expr_new,
- (t_method)expr_ff, sizeof(t_expr), 0, A_GIMME, 0);
- class_addmethod(fexpr_tilde_class, nullfn, gensym("signal"), 0);
- class_addmethod(fexpr_tilde_class,(t_method)expr_start,
- gensym("start"), 0);
- class_addmethod(fexpr_tilde_class,(t_method)expr_stop,
- gensym("stop"), 0);
-
- class_addmethod(fexpr_tilde_class,(t_method)expr_dsp,gensym("dsp"), 0);
- class_addmethod(fexpr_tilde_class, (t_method)fexpr_tilde_set,
- gensym("set"), A_GIMME, 0);
- class_addmethod(fexpr_tilde_class, (t_method)fexpr_tilde_clear,
- gensym("clear"), A_GIMME, 0);
- class_addmethod(fexpr_tilde_class,(t_method)expr_verbose,
- gensym("verbose"), 0);
- class_sethelpsymbol(fexpr_tilde_class, gensym("expr"));
-
-
-
- post("expr, expr~, fexpr~ version %s under GNU General Public License ", exp_version);
-
-}
-
-void
-expr_tilde_setup(void)
-{
- expr_setup();
-}
-
-void
-fexpr_tilde_setup(void)
-{
- expr_setup();
-}
-#else /* MSP */
-void
-main(void)
-{
- setup((t_messlist **)&expr_tilde_class, (method)Nexpr_new,
- (method)expr_ff, (short)sizeof(t_expr), 0L, A_GIMME, 0);
- addmess((method)expr_dsp, "dsp", A_CANT, 0); // dsp method
- dsp_initclass();
-}
-#endif
-
-
-/* -- the following functions use Pd internals and so are in the "if" file. */
-
-
-int
-ex_getsym(char *p, fts_symbol_t *s)
-{
- *s = gensym(p);
- return (0);
-}
-
-const char *
-ex_symname(fts_symbol_t s)
-{
- return (fts_symbol_name(s));
-}
-
-/*
- * max_ex_tab -- evaluate this table access
- * eptr is the name of the table and arg is the index we
- * have to put the result in optr
- * return 1 on error and 0 otherwise
- *
- * Arguments:
- * the expr object
- * table
- * the argument
- * the result pointer
- */
-int
-max_ex_tab(struct expr *expr, fts_symbol_t s, struct ex_ex *arg,
- struct ex_ex *optr)
-{
-#ifdef PD
- t_garray *garray;
- int size, indx;
- t_word *wvec;
-
- if (!s || !(garray = (t_garray *)pd_findbyclass(s, garray_class)) ||
- !garray_getfloatwords(garray, &size, &wvec))
- {
- optr->ex_type = ET_FLT;
- optr->ex_flt = 0;
- pd_error(expr, "no such table '%s'", s->s_name);
- return (1);
- }
- optr->ex_type = ET_FLT;
-
- switch (arg->ex_type) {
- case ET_INT:
- indx = arg->ex_int;
- break;
- case ET_FLT:
- /* strange interpolation code deleted here -msp */
- indx = arg->ex_flt;
- break;
-
- default: /* do something with strings */
- pd_error(expr, "expr: bad argument for table '%s'\n", fts_symbol_name(s));
- indx = 0;
- }
- if (indx < 0) indx = 0;
- else if (indx >= size) indx = size - 1;
- optr->ex_flt = wvec[indx].w_float;
-#else /* MSP */
- /*
- * table lookup not done for MSP yet
- */
- post("max_ex_tab: not complete for MSP yet!");
- optr->ex_type = ET_FLT;
- optr->ex_flt = 0;
-#endif
- return (0);
-}
-
-int
-max_ex_var(struct expr *expr, fts_symbol_t var, struct ex_ex *optr)
-{
- optr->ex_type = ET_FLT;
- if (value_getfloat(var, &(optr->ex_flt))) {
- optr->ex_type = ET_FLT;
- optr->ex_flt = 0;
- pd_error(expr, "no such var '%s'", var->s_name);
- return (1);
- }
- return (0);
-}
-
-#ifdef PD /* this goes to the end of this file as the following functions
- * should be defined in the expr object in MSP
- */
-#define ISTABLE(sym, garray, size, vec) \
-if (!sym || !(garray = (t_garray *)pd_findbyclass(sym, garray_class)) || \
- !garray_getfloatwords(garray, &size, &vec)) { \
- optr->ex_type = ET_FLT; \
- optr->ex_int = 0; \
- error("no such table '%s'", sym?(sym->s_name):"(null)"); \
- return; \
-}
-
-/*
- * ex_size -- find the size of a table
- */
-void
-ex_size(t_expr *e, long int argc, struct ex_ex *argv, struct ex_ex *optr)
-{
- t_symbol *s;
- t_garray *garray;
- int size;
- t_word *wvec;
-
- if (argv->ex_type != ET_SYM)
- {
- post("expr: size: need a table name\n");
- optr->ex_type = ET_INT;
- optr->ex_int = 0;
- return;
- }
-
- s = (fts_symbol_t ) argv->ex_ptr;
-
- ISTABLE(s, garray, size, wvec);
-
- optr->ex_type = ET_INT;
- optr->ex_int = size;
-}
-
-/*
- * ex_sum -- calculate the sum of all elements of a table
- */
-
-void
-ex_sum(t_expr *e, long int argc, struct ex_ex *argv, struct ex_ex *optr)
-{
- t_symbol *s;
- t_garray *garray;
- int size;
- t_word *wvec;
- t_float sum;
- int indx;
-
- if (argv->ex_type != ET_SYM)
- {
- post("expr: sum: need a table name\n");
- optr->ex_type = ET_INT;
- optr->ex_int = 0;
- return;
- }
-
- s = (fts_symbol_t ) argv->ex_ptr;
-
- ISTABLE(s, garray, size, wvec);
-
- for (indx = 0, sum = 0; indx < size; indx++)
- sum += wvec[indx].w_float;
-
- optr->ex_type = ET_FLT;
- optr->ex_flt = sum;
-}
-
-
-/*
- * ex_Sum -- calculate the sum of table with the given boundries
- */
-
-void
-ex_Sum(t_expr *e, long int argc, struct ex_ex *argv, struct ex_ex *optr)
-{
- t_symbol *s;
- t_garray *garray;
- int size;
- t_word *wvec;
- t_float sum;
- int indx, n1, n2;
-
- if (argv->ex_type != ET_SYM)
- {
- post("expr: sum: need a table name\n");
- optr->ex_type = ET_INT;
- optr->ex_int = 0;
- return;
- }
-
- s = (fts_symbol_t ) argv->ex_ptr;
-
- ISTABLE(s, garray, size, wvec);
-
- if (argv->ex_type != ET_INT || argv[1].ex_type != ET_INT)
- {
- post("expr: Sum: boundries have to be fix values\n");
- optr->ex_type = ET_INT;
- optr->ex_int = 0;
- return;
- }
- n1 = argv->ex_int;
- n2 = argv[1].ex_int;
-
- for (indx = n1, sum = 0; indx < n2; indx++)
- if (indx >= 0 && indx < size)
- sum += wvec[indx].w_float;
-
- optr->ex_type = ET_FLT;
- optr->ex_flt = sum;
-}
-
-/*
- * ex_avg -- calculate the avarage of a table
- */
-
-void
-ex_avg(t_expr *e, long int argc, struct ex_ex *argv, struct ex_ex *optr)
-{
-/* SDY - look into this function */
-#if 0
- fts_symbol_t s;
- fts_integer_vector_t *tw = 0;
-
- if (argv->ex_type != ET_SYM)
- {
- post("expr: avg: need a table name\n");
- optr->ex_type = ET_INT;
- optr->ex_int = 0;
- }
-
- s = (fts_symbol_t ) argv->ex_ptr;
-
- tw = table_integer_vector_get_by_name(s);
-
- if (tw)
- {
- optr->ex_type = ET_INT;
-
- if (! fts_integer_vector_get_size(tw))
- optr->ex_int = 0;
- else
- optr->ex_int = fts_integer_vector_get_sum(tw) / fts_integer_vector_get_size(tw);
- }
- else
- {
- optr->ex_type = ET_INT;
- optr->ex_int = 0;
- post("expr: avg: no such table %s\n", fts_symbol_name(s));
- }
-#endif
-}
-
-
-/*
- * ex_Avg -- calculate the avarage of table with the given boundries
- */
-
-void
-ex_Avg(t_expr *e, long int argc, struct ex_ex *argv, struct ex_ex *optr)
-{
-/* SDY - look into this function */
-#if 0
- fts_symbol_t s;
- fts_integer_vector_t *tw = 0;
-
- if (argv->ex_type != ET_SYM)
- {
- post("expr: Avg: need a table name\n");
- optr->ex_type = ET_INT;
- optr->ex_int = 0;
- }
-
- s = (fts_symbol_t ) (argv++)->ex_ptr;
-
- tw = table_integer_vector_get_by_name(s);
-
- if (! tw)
- {
- optr->ex_type = ET_INT;
- optr->ex_int = 0;
- post("expr: Avg: no such table %s\n", fts_symbol_name(s));
- return;
- }
-
- if (argv->ex_type != ET_INT || argv[1].ex_type != ET_INT)
- {
- post("expr: Avg: boundries have to be fix values\n");
- optr->ex_type = ET_INT;
- optr->ex_int = 0;
- return;
- }
-
- optr->ex_type = ET_INT;
-
- if (argv[1].ex_int - argv->ex_int <= 0)
- optr->ex_int = 0;
- else
- optr->ex_int = (fts_integer_vector_get_sub_sum(tw, argv->ex_int, argv[1].ex_int) /
- (argv[1].ex_int - argv->ex_int));
-#endif
-}
-
-/*
- * ex_store -- store a value in a table
- * if the index is greater the size of the table,
- * we will make a modulo the size of the table
- */
-
-void
-ex_store(t_expr *e, long int argc, struct ex_ex *argv, struct ex_ex *optr)
-{
-/* SDY - look into this function */
-#if 0
- fts_symbol_t s;
- fts_integer_vector_t *tw = 0;
-
- if (argv->ex_type != ET_SYM)
- {
- post("expr: store: need a table name\n");
- }
-
- s = (fts_symbol_t ) (argv++)->ex_ptr;
-
- tw = table_integer_vector_get_by_name(s);
-
- if (! tw)
- {
- optr->ex_type = ET_INT;
- optr->ex_int = 0;
- post("expr: store: no such table %s\n", fts_symbol_name(s));
- return;
- }
-
- if (argv->ex_type != ET_INT || argv[1].ex_type != ET_INT)
- {
- post("expr: store: arguments have to be integer\n");
- optr->ex_type = ET_INT;
- optr->ex_int = 0;
- }
-
- fts_integer_vector_set_element(tw, argv->ex_int < 0 ? 0 : argv->ex_int % fts_integer_vector_get_size(tw), argv[1].ex_int);
- *optr = argv[1];
-#endif
-}
-
-#else /* MSP */
-
-void
-pd_error(void *object, char *fmt, ...)
-{
- va_list ap;
- t_int arg[8];
- int i;
- static int saidit = 0;
- va_start(ap, fmt);
-/* SDY
- vsprintf(error_string, fmt, ap);
- */ post(fmt, ap);
- va_end(ap);
-/* SDY
- fprintf(stderr, "error: %s\n", error_string);
- error_object = object;
-*/
- if (!saidit)
- {
- post("... you might be able to track this down from the Find menu.");
- saidit = 1;
- }
-}
-#endif
generated by cgit v1.2.1 (git 2.18.0) at 2024-06-01 14:45:33 +0000