From 577ac6e80ff4f436fbd054291ed7dddbc31bd49a Mon Sep 17 00:00:00 2001
From: Hans-Christoph Steiner <eighthave@users.sourceforge.net>
Date: Tue, 18 May 2004 21:33:33 +0000
Subject: This commit was generated by cvs2svn to compensate for changes in
 r1738, which included commits to RCS files with non-trunk default branches.

svn path=/trunk/externals/iemlib/; revision=1739
---
 src/iemlib2/round_zero.c | 67 ++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 67 insertions(+)
 create mode 100644 src/iemlib2/round_zero.c

(limited to 'src/iemlib2/round_zero.c')

diff --git a/src/iemlib2/round_zero.c b/src/iemlib2/round_zero.c
new file mode 100644
index 0000000..b37afb4
--- /dev/null
+++ b/src/iemlib2/round_zero.c
@@ -0,0 +1,67 @@
+/* For information on usage and redistribution, and for a DISCLAIMER OF ALL
+* WARRANTIES, see the file, "LICENSE.txt," in this distribution.
+
+iemlib2 written by Thomas Musil, Copyright (c) IEM KUG Graz Austria 2000 - 2003 */
+
+#ifdef NT
+#pragma warning( disable : 4244 )
+#pragma warning( disable : 4305 )
+#endif
+
+
+#include "m_pd.h"
+#include "iemlib.h"
+#include <math.h>
+#include <stdio.h>
+#include <string.h>
+
+
+/* ------------------------ round_zero ---------------------------- */
+static t_class *round_zero_class;
+
+typedef struct _round_zero
+{
+	t_object	x_obj;
+	t_float		x_bound;
+} t_round_zero;
+
+static void round_zero_anything(t_round_zero *x, t_symbol *s, int ac, t_atom *av)
+{
+	int i;
+	t_float f, bound=x->x_bound;
+
+	for(i=0; i<ac; i++)
+	{
+		if(IS_A_FLOAT(av, i))
+		{
+			f = atom_getfloatarg(i, ac, av);
+			if((f <= bound)&&(f >= -bound))
+			{
+				f = 0.0f;
+				SETFLOAT(av+i, f);
+			}
+		}
+	}
+	outlet_anything(x->x_obj.ob_outlet, s, ac, av);
+}
+
+static void *round_zero_new(t_floatarg bound)
+{
+    t_round_zero *x = (t_round_zero *)pd_new(round_zero_class);
+
+		if(bound < 0.0f)
+			x->x_bound = -bound;
+		else
+			x->x_bound = bound;
+    outlet_new(&x->x_obj, &s_list);
+    return (x);
+}
+
+void round_zero_setup(void)
+{
+    round_zero_class = class_new(gensym("round_zero"), (t_newmethod)round_zero_new,
+			       0, sizeof(t_round_zero), 0, A_DEFFLOAT, 0);
+    class_addanything(round_zero_class, round_zero_anything);
+    class_sethelpsymbol(round_zero_class, gensym("iemhelp/help-round_zero"));
+}
+
-- 
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