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-rwxr-xr-xsrc/tabread_dp.c82
1 files changed, 82 insertions, 0 deletions
diff --git a/src/tabread_dp.c b/src/tabread_dp.c
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+/* 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"
+
+/* -------------------------- tabread__ ------------------------------ */
+/* based on miller's tabread which is part of pd */
+
+static t_class *tabread_dp_class;
+
+typedef struct _tabread_dp
+{
+ t_object x_obj;
+ t_symbol *x_arrayname;
+ t_float x_residual;
+} t_tabread_dp;
+
+static void *tabread_dp_new(t_symbol *s)
+{
+ t_tabread_dp *x = (t_tabread_dp *)pd_new(tabread_dp_class);
+
+ x->x_arrayname = s;
+ floatinlet_new(&x->x_obj, &x->x_residual);
+ outlet_new(&x->x_obj, &s_float);
+ return (x);
+}
+
+static void tabread_dp_float(t_tabread_dp *x, t_floatarg f)
+{
+ t_garray *a;
+ iemarray_t *vec;
+ int npoints;
+
+ if (!(a = (t_garray *)pd_findbyclass(x->x_arrayname, garray_class)))
+ {
+ if (*x->x_arrayname->s_name)
+ pd_error(x, "tabread__: %s: no such array", x->x_arrayname->s_name);
+ vec = 0;
+ }
+ else if (!iemarray_getarray(a, &npoints, &vec))
+ {
+ pd_error(x, "%s: bad template for tabread__", x->x_arrayname->s_name);
+ vec = 0;
+ }
+ else
+ {
+ double findex = iem_dp_calc_sum(f, x->x_residual);
+ int n = findex;
+
+ if(n < 0)
+ n = 0;
+ else if(n >= npoints)
+ n = npoints - 1;
+ outlet_float(x->x_obj.ob_outlet, (npoints ? iemarray_getfloat(vec, n) : 0));
+ }
+}
+
+static void tabread_dp_set(t_tabread_dp *x, t_symbol *s)
+{
+ x->x_arrayname = s;
+}
+
+static void tabread_dp_free(t_tabread_dp *x)
+{
+}
+
+void tabread_dp_setup(void)
+{
+ tabread_dp_class = class_new(gensym("tabread__"),
+ (t_newmethod)tabread_dp_new, (t_method)tabread_dp_free,
+ sizeof(t_tabread_dp), 0, A_DEFSYM, 0);
+ class_addcreator((t_newmethod)tabread_dp_new, gensym("tabread''"), A_DEFSYM, 0);
+ class_addfloat(tabread_dp_class, (t_method)tabread_dp_float);
+ class_addmethod(tabread_dp_class, (t_method)tabread_dp_set, gensym("set"), A_SYMBOL, 0);
+}
+