1 files changed, 78 insertions, 0 deletions
diff --git a/src/mul__.c b/src/mul__.c
new file mode 100755
index 0000000..81331a8
--- /dev/null
+++ b/src/mul__.c
@@ -0,0 +1,78 @@
+/* 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"
+
+
+/* ------------------------  mul__ or *__  ---------------------------- */
+/* based on miller's *, which is part of pd, only with double precision */
+
+static t_class *mul___class;
+
+typedef struct _mul__
+{
+  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_mul__;
+
+static void mul___bang(t_mul__ *x)
+{
+  double dprod;
+  t_float fprod;
+  
+  dprod = iem_dp_calc_sum(x->x_coarse_left, x->x_fine_left) * iem_dp_calc_sum(x->x_coarse_right, x->x_fine_right);
+  fprod = iem_dp_cast_to_float(dprod);
+  outlet_float(x->x_out_fine, iem_dp_calc_residual(dprod, fprod));
+  outlet_float(x->x_out_coarse, fprod);
+}
+
+static void mul___float(t_mul__ *x, t_floatarg f)
+{
+  x->x_coarse_left = f;
+  mul___bang(x);
+}
+
+static void *mul___new(t_symbol *s, int ac, t_atom *av)
+{
+  t_mul__ *x = (t_mul__ *)pd_new(mul___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);
+}
+
+static void mul___free(t_mul__ *x)
+{
+}
+
+void mul___setup(void)
+{
+  mul___class = class_new(gensym("mul__"), (t_newmethod)mul___new, 0, sizeof(t_mul__), 0, A_GIMME, 0);
+  class_addcreator((t_newmethod)mul___new, gensym("*__"), A_GIMME, 0);
+  class_addcreator((t_newmethod)mul___new, gensym("*''"), A_GIMME, 0);
+  class_addbang(mul___class, mul___bang);
+  class_addfloat(mul___class, mul___float);
+}