From a7e6303e3e7e87bf90b21821d2e419ed4799783c Mon Sep 17 00:00:00 2001
From: musil <tmusil@users.sourceforge.net>
Date: Fri, 28 Jun 2013 17:25:22 +0000
Subject: initial check in of double precision library of iem

svn path=/trunk/externals/iem/iem_dp/; revision=17167
---
 src/min__.c | 80 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 80 insertions(+)
 create mode 100755 src/min__.c

(limited to 'src/min__.c')

diff --git a/src/min__.c b/src/min__.c
new file mode 100755
index 0000000..028bb4d
--- /dev/null
+++ b/src/min__.c
@@ -0,0 +1,80 @@
+/* For information on usage and redistribution, and for a DISCLAIMER OF ALL
+* WARRANTIES, see the file, "LICENSE.txt," in this distribution.
+
+iem_dp written by IOhannes m zmoelnig, Thomas Musil, Copyright (c) IEM KUG Graz Austria 1999 - 2007 */
+/* double precision library */
+
+#include "m_pd.h"
+#include "iemlib.h"
+#include "iem_dp.h"
+
+
+/* ------------------------  min_dp  ---------------------------- */
+/* based on miller's min, which is part of pd, only with double precision */
+
+static t_class *min_dp_class;
+
+typedef struct _min_dp
+{
+  t_object  x_obj;
+  t_float   x_coarse_left;
+  t_float   x_fine_left;
+  t_float   x_coarse_right;
+  t_float   x_fine_right;
+  t_outlet  *x_out_coarse;
+  t_outlet  *x_out_fine;
+} t_min_dp;
+
+static void min_dp_bang(t_min_dp *x)
+{
+  double dleft, dright;
+  
+  dleft = iem_dp_calc_sum(x->x_coarse_left, x->x_fine_left);
+  dright = iem_dp_calc_sum(x->x_coarse_right, x->x_fine_right);
+  if(dleft < dright)
+  {
+    outlet_float(x->x_out_fine, x->x_fine_left);
+    outlet_float(x->x_out_coarse, x->x_coarse_left);
+  }
+  else
+  {
+    outlet_float(x->x_out_fine, x->x_fine_right);
+    outlet_float(x->x_out_coarse, x->x_coarse_right);
+  }
+}
+
+static void min_dp_float(t_min_dp *x, t_floatarg f)
+{
+  x->x_coarse_left = f;
+  min_dp_bang(x);
+}
+
+static void *min_dp_new(t_symbol *s, int ac, t_atom *av)
+{
+  t_min_dp *x = (t_min_dp *)pd_new(min_dp_class);
+  
+  floatinlet_new(&x->x_obj, &x->x_fine_left);
+  floatinlet_new(&x->x_obj, &x->x_coarse_right);
+  floatinlet_new(&x->x_obj, &x->x_fine_right);
+  x->x_coarse_left = 0.0f;
+  x->x_fine_left = 0.0f;
+  if((ac > 0) && (IS_A_FLOAT(av, 0)))
+    x->x_coarse_right = atom_getfloatarg(0, ac, av);
+  else
+    x->x_coarse_right = 0.0f;
+  if((ac > 1) && (IS_A_FLOAT(av, 1)))
+    x->x_fine_right = atom_getfloatarg(1, ac, av);
+  else
+    x->x_fine_right = 0.0f;
+  x->x_out_coarse = outlet_new(&x->x_obj, &s_float);
+  x->x_out_fine = outlet_new(&x->x_obj, &s_float);
+  return (x);
+}
+
+void min_dp_setup(void)
+{
+  min_dp_class = class_new(gensym("min__"), (t_newmethod)min_dp_new, 0, sizeof(t_min_dp), 0, A_GIMME, 0);
+  class_addcreator((t_newmethod)min_dp_new, gensym("min''"), A_GIMME, 0);
+  class_addbang(min_dp_class, min_dp_bang);
+  class_addfloat(min_dp_class, min_dp_float);
+}
-- 
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