1 files changed, 108 insertions, 0 deletions
diff --git a/cyclone/hammer/anal.c b/cyclone/hammer/anal.c
new file mode 100644
index 0000000..477eb20
--- /dev/null
+++ b/cyclone/hammer/anal.c
@@ -0,0 +1,108 @@
+/* Copyright (c) 2002-2003 krzYszcz and others.
+ * For information on usage and redistribution, and for a DISCLAIMER OF ALL
+ * WARRANTIES, see the file, "LICENSE.txt," in this distribution.  */
+
+#include <string.h>
+#include "m_pd.h"
+#include "common/loud.h"
+
+#define ANAL_DEFSIZE  128
+#define ANAL_MAXSIZE  1024
+
+typedef struct _anal
+{
+    t_object  x_ob;
+    int       x_value;  /* negative, if initialized or reset */
+    int       x_size;
+    int       x_bytesize;
+    int      *x_table;
+    /* CHECKED: the 'weight' count is a signed short (2 bytes),
+       wrapping into negative domain without any warning.
+       LATER consider complaining at == SHRT_MAX. */
+} t_anal;
+
+static t_class *anal_class;
+
+static void anal_reset(t_anal *x)
+{
+    x->x_value = -1;
+}
+
+static void anal_clear(t_anal *x)
+{
+    memset(x->x_table, 0, x->x_bytesize);
+}
+
+static void anal_float(t_anal *x, t_float f)
+{
+    int value;
+    if (loud_checkint((t_pd *)x, f, &value, &s_float))  /* CHECKED */
+    {
+	/* CHECKED: any input negative or >= size is ignored with an error
+	   -- there is no output, and a previous state is kept. */
+	if (value >= 0 && value < x->x_size)
+	{
+	    if (x->x_value >= 0)
+	    {
+		t_atom at[3];
+		int ndx = x->x_value * x->x_size + value;
+		x->x_table[ndx]++;
+		SETFLOAT(at, x->x_value);
+		SETFLOAT(&at[1], value);
+		SETFLOAT(&at[2], x->x_table[ndx]);
+		outlet_list(((t_object *)x)->ob_outlet, &s_list, 3, at);
+	    }
+	    x->x_value = value;
+	}
+	else loud_error((t_pd *)x, "%d outside of table bounds", value);
+    }
+}
+
+static void anal_free(t_anal *x)
+{
+    if (x->x_table)
+	freebytes(x->x_table, x->x_bytesize);
+}
+
+static void *anal_new(t_floatarg f)
+{
+    t_anal *x;
+    int size = (int)f;
+    int bytesize;
+    int *table;
+    if (size < 1)
+	/* CHECKED: 1 is allowed (such an object rejects any nonzero input) */
+	size = ANAL_DEFSIZE;
+    else if (size > ANAL_MAXSIZE)
+    {
+	/* CHECKED: */
+	loud_warning(&anal_class, "size too large, using %d", ANAL_MAXSIZE);
+	size = ANAL_MAXSIZE;  /* LATER switch into a 'sparse' mode */
+    }
+    /* CHECKED: actually the bytesize is size * size * sizeof(short),
+       and it shows up in */
+    bytesize = size * size * sizeof(*table);
+    if (!(table = (int *)getbytes(bytesize)))
+	return (0);
+    x = (t_anal *)pd_new(anal_class);
+    x->x_size = size;
+    x->x_bytesize = bytesize;
+    x->x_table = table;
+    outlet_new((t_object *)x, &s_list);
+    anal_reset(x);
+    anal_clear(x);
+    return (x);
+}
+
+void anal_setup(void)
+{
+    anal_class = class_new(gensym("anal"),
+			   (t_newmethod)anal_new,
+			   (t_method)anal_free,
+			   sizeof(t_anal), 0, A_DEFFLOAT, 0);
+    class_addfloat(anal_class, anal_float);
+    class_addmethod(anal_class, (t_method)anal_reset,
+		    gensym("reset"), 0);
+    class_addmethod(anal_class, (t_method)anal_clear,
+		    gensym("clear"), 0);
+}