This commit was generated by cvs2svn to compensate for changes in r58,

which included commits to RCS files with non-trunk default branches.

svn path=/trunk/; revision=59

1 files changed, 312 insertions, 0 deletions

diff --git a/pd/src/d_global.c b/pd/src/d_global.c
new file mode 100644
index 00000000..633eba1c
--- /dev/null
+++ b/pd/src/d_global.c
@@ -0,0 +1,312 @@
+/* Copyright (c) 1997-1999 Miller Puckette.
+* For information on usage and redistribution, and for a DISCLAIMER OF ALL
+* WARRANTIES, see the file, "LICENSE.txt," in this distribution.  */
+
+/*  send~, receive~, throw~, catch~ */
+
+#include "m_pd.h"
+#include <string.h>
+
+#define DEFSENDVS 64	/* LATER get send to get this from canvas */
+
+/* ----------------------------- send~ ----------------------------- */
+static t_class *sigsend_class;
+
+typedef struct _sigsend
+{
+    t_object x_obj;
+    t_symbol *x_sym;
+    int x_n;
+    float *x_vec;
+    float x_f;
+} t_sigsend;
+
+static void *sigsend_new(t_symbol *s)
+{
+    t_sigsend *x = (t_sigsend *)pd_new(sigsend_class);
+    pd_bind(&x->x_obj.ob_pd, s);
+    x->x_sym = s;
+    x->x_n = DEFSENDVS;
+    x->x_vec = (float *)getbytes(DEFSENDVS * sizeof(float));
+    memset((char *)(x->x_vec), 0, DEFSENDVS * sizeof(float));
+    x->x_f = 0;
+    return (x);
+}
+
+static t_int *sigsend_perform(t_int *w)
+{
+    t_float *in = (t_float *)(w[1]);
+    t_float *out = (t_float *)(w[2]);
+    int n = (int)(w[3]);
+    while (n--)
+    {
+	float f = *in++;
+	    /* bash NANs and underflow/overflow hazards to zero */
+	if (!((f > 1.0e-20f && f < 1.0e20f) || (f < -1e-20f && f > -1e20)))
+	    f = 0;
+	*out++ = f;
+    }
+    return (w+4);
+}
+
+static void sigsend_dsp(t_sigsend *x, t_signal **sp)
+{
+    if (x->x_n == sp[0]->s_n)
+    	dsp_add(sigsend_perform, 3, sp[0]->s_vec, x->x_vec, sp[0]->s_n);
+    else error("sigsend %s: unexpected vector size", x->x_sym->s_name);
+}
+
+static void sigsend_free(t_sigsend *x)
+{
+    pd_unbind(&x->x_obj.ob_pd, x->x_sym);
+    freebytes(x->x_vec, x->x_n * sizeof(float));
+}
+
+static void sigsend_setup(void)
+{
+    sigsend_class = class_new(gensym("send~"), (t_newmethod)sigsend_new,
+    	(t_method)sigsend_free, sizeof(t_sigsend), 0, A_DEFSYM, 0);
+    class_addcreator((t_newmethod)sigsend_new, gensym("s~"), A_DEFSYM, 0);
+    CLASS_MAINSIGNALIN(sigsend_class, t_sigsend, x_f);
+    class_addmethod(sigsend_class, (t_method)sigsend_dsp, gensym("dsp"), 0);
+}
+
+/* ----------------------------- receive~ ----------------------------- */
+static t_class *sigreceive_class;
+
+typedef struct _sigreceive
+{
+    t_object x_obj;
+    t_symbol *x_sym;
+    t_float *x_wherefrom;
+    int x_n;
+} t_sigreceive;
+
+static void *sigreceive_new(t_symbol *s)
+{
+    t_sigreceive *x = (t_sigreceive *)pd_new(sigreceive_class);
+    x->x_n = DEFSENDVS;   	    /* LATER find our vector size correctly */
+    x->x_sym = s;
+    x->x_wherefrom = 0;
+    outlet_new(&x->x_obj, &s_signal);
+    return (x);
+}
+
+static t_int *sigreceive_perform(t_int *w)
+{
+    t_sigreceive *x = (t_sigreceive *)(w[1]);
+    t_float *out = (t_float *)(w[2]);
+    int n = (int)(w[3]);
+    t_float *in = x->x_wherefrom;
+    if (in)
+    {
+    	while (n--)
+	    *out++ = *in++; 
+    }
+    else
+    {
+    	while (n--)
+	    *out++ = 0; 
+    }
+    return (w+4);
+}
+
+static void sigreceive_set(t_sigreceive *x, t_symbol *s)
+{
+    t_sigsend *sender = (t_sigsend *)pd_findbyclass((x->x_sym = s),
+    	sigsend_class);
+    if (sender)
+    {
+    	if (sender->x_n == x->x_n)
+    	    x->x_wherefrom = sender->x_vec;
+	else
+	{
+	    pd_error(x, "receive~ %s: vector size mismatch", x->x_sym->s_name);
+	    x->x_wherefrom = 0;
+	}
+    }
+    else
+    {
+    	pd_error(x, "receive~ %s: no matching send", x->x_sym->s_name);
+    	x->x_wherefrom = 0;
+    }
+}
+
+static void sigreceive_dsp(t_sigreceive *x, t_signal **sp)
+{
+    if (sp[0]->s_n != x->x_n)
+    {
+    	pd_error(x, "receive~ %s: vector size mismatch", x->x_sym->s_name);
+    }
+    else
+    {
+    	sigreceive_set(x, x->x_sym);
+    	dsp_add(sigreceive_perform, 3,
+    	    x, sp[0]->s_vec, sp[0]->s_n);
+    }
+}
+
+static void sigreceive_setup(void)
+{
+    sigreceive_class = class_new(gensym("receive~"),
+    	(t_newmethod)sigreceive_new, 0,
+    	sizeof(t_sigreceive), 0, A_DEFSYM, 0);
+    class_addcreator((t_newmethod)sigreceive_new, gensym("r~"), A_DEFSYM, 0);
+    class_addmethod(sigreceive_class, (t_method)sigreceive_set, gensym("set"),
+    	A_SYMBOL, 0);
+    class_addmethod(sigreceive_class, (t_method)sigreceive_dsp, gensym("dsp"),
+    	0);
+    class_sethelpsymbol(sigreceive_class, gensym("send~"));
+}
+
+/* ----------------------------- catch~ ----------------------------- */
+static t_class *sigcatch_class;
+
+typedef struct _sigcatch
+{
+    t_object x_obj;
+    t_symbol *x_sym;
+    int x_n;
+    float *x_vec;
+} t_sigcatch;
+
+static void *sigcatch_new(t_symbol *s)
+{
+    t_sigcatch *x = (t_sigcatch *)pd_new(sigcatch_class);
+    pd_bind(&x->x_obj.ob_pd, s);
+    x->x_sym = s;
+    x->x_n = DEFSENDVS;
+    x->x_vec = (float *)getbytes(DEFSENDVS * sizeof(float));
+    memset((char *)(x->x_vec), 0, DEFSENDVS * sizeof(float));
+    outlet_new(&x->x_obj, &s_signal);
+    return (x);
+}
+
+static t_int *sigcatch_perform(t_int *w)
+{
+    t_float *in = (t_float *)(w[1]);
+    t_float *out = (t_float *)(w[2]);
+    int n = (int)(w[3]);
+    while (n--) *out++ = *in, *in++ = 0; 
+    return (w+4);
+}
+
+static void sigcatch_dsp(t_sigcatch *x, t_signal **sp)
+{
+    if (x->x_n == sp[0]->s_n)
+    	dsp_add(sigcatch_perform, 3, x->x_vec, sp[0]->s_vec, sp[0]->s_n);
+    else error("sigcatch %s: unexpected vector size", x->x_sym->s_name);
+}
+
+static void sigcatch_free(t_sigcatch *x)
+{
+    pd_unbind(&x->x_obj.ob_pd, x->x_sym);
+    freebytes(x->x_vec, x->x_n * sizeof(float));
+}
+
+static void sigcatch_setup(void)
+{
+    sigcatch_class = class_new(gensym("catch~"), (t_newmethod)sigcatch_new,
+    	(t_method)sigcatch_free, sizeof(t_sigcatch), CLASS_NOINLET, A_DEFSYM, 0);
+    class_addmethod(sigcatch_class, (t_method)sigcatch_dsp, gensym("dsp"), 0);
+    class_sethelpsymbol(sigcatch_class, gensym("throw~"));
+}
+
+/* ----------------------------- throw~ ----------------------------- */
+static t_class *sigthrow_class;
+
+typedef struct _sigthrow
+{
+    t_object x_obj;
+    t_symbol *x_sym;
+    t_float *x_whereto;
+    int x_n;
+    t_float x_f;
+} t_sigthrow;
+
+static void *sigthrow_new(t_symbol *s)
+{
+    t_sigthrow *x = (t_sigthrow *)pd_new(sigthrow_class);
+    x->x_sym = s;
+    x->x_whereto  = 0;
+    x->x_n = DEFSENDVS;
+    x->x_f = 0;
+    return (x);
+}
+
+static t_int *sigthrow_perform(t_int *w)
+{
+    t_sigthrow *x = (t_sigthrow *)(w[1]);
+    t_float *in = (t_float *)(w[2]);
+    int n = (int)(w[3]);
+    t_float *out = x->x_whereto;
+    if (out)
+    {
+    	while (n--)
+	{
+	    float f = *in++;
+		/* bash NANs and underflow/overflow hazards to zero */
+	    if (!((f > 1.0e-20f && f < 1.0e20f) || (f < -1e-20f && f > -1e20)))
+		f = 0;
+	    *out++ += f;
+	}
+    }
+    return (w+4);
+}
+
+static void sigthrow_set(t_sigthrow *x, t_symbol *s)
+{
+    t_sigcatch *catcher = (t_sigcatch *)pd_findbyclass((x->x_sym = s),
+    	sigcatch_class);
+    if (catcher)
+    {
+    	if (catcher->x_n == x->x_n)
+    	    x->x_whereto = catcher->x_vec;
+	else
+	{
+	    pd_error(x, "throw~ %s: vector size mismatch", x->x_sym->s_name);
+	    x->x_whereto = 0;
+	}
+    }
+    else
+    {
+    	pd_error(x, "throw~ %s: no matching catch", x->x_sym->s_name);
+    	x->x_whereto = 0;
+    }
+}
+
+static void sigthrow_dsp(t_sigthrow *x, t_signal **sp)
+{
+    if (sp[0]->s_n != x->x_n)
+    {
+    	pd_error(x, "throw~ %s: vector size mismatch", x->x_sym->s_name);
+    }
+    else
+    {
+    	sigthrow_set(x, x->x_sym);
+    	dsp_add(sigthrow_perform, 3,
+    	    x, sp[0]->s_vec, sp[0]->s_n);
+    }
+}
+
+static void sigthrow_setup(void)
+{
+    sigthrow_class = class_new(gensym("throw~"), (t_newmethod)sigthrow_new, 0,
+    	sizeof(t_sigthrow), 0, A_DEFSYM, 0);
+    class_addcreator((t_newmethod)sigthrow_new, gensym("r~"), A_DEFSYM, 0);
+    class_addmethod(sigthrow_class, (t_method)sigthrow_set, gensym("set"),
+    	A_SYMBOL, 0);
+    CLASS_MAINSIGNALIN(sigthrow_class, t_sigthrow, x_f);
+    class_addmethod(sigthrow_class, (t_method)sigthrow_dsp, gensym("dsp"), 0);
+}
+
+/* ----------------------- global setup routine ---------------- */
+
+void d_global_setup(void)
+{
+    sigsend_setup();
+    sigreceive_setup();
+    sigcatch_setup();
+    sigthrow_setup();
+}
+