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diff --git a/externals/extra/0.43.3/0.43.2/expr~/vexp_if.c b/externals/extra/0.43.3/0.43.2/expr~/vexp_if.c
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index 00000000..3028ff82
--- /dev/null
+++ b/externals/extra/0.43.3/0.43.2/expr~/vexp_if.c
@@ -0,0 +1,1225 @@
+/*
+ * 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 2024-06-07 19:07:42 +0000