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-rw-r--r--gnuradio-core/src/lib/general/gr_feval.cc86
1 files changed, 86 insertions, 0 deletions
diff --git a/gnuradio-core/src/lib/general/gr_feval.cc b/gnuradio-core/src/lib/general/gr_feval.cc
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+++ b/gnuradio-core/src/lib/general/gr_feval.cc
@@ -0,0 +1,86 @@
+/* -*- c++ -*- */
+/*
+ * Copyright 2006 Free Software Foundation, Inc.
+ *
+ * This file is part of GNU Radio
+ *
+ * GNU Radio is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2, or (at your option)
+ * any later version.
+ *
+ * GNU Radio is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with GNU Radio; see the file COPYING. If not, write to
+ * the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <gr_feval.h>
+
+gr_feval_dd::~gr_feval_dd(){}
+
+double
+gr_feval_dd::eval(double x)
+{
+ return 0;
+}
+
+gr_feval_ff::~gr_feval_ff(){}
+
+float
+gr_feval_ff::eval(float x)
+{
+ return 0;
+}
+
+gr_feval_cc::~gr_feval_cc(){}
+
+gr_complex
+gr_feval_cc::eval(gr_complex x)
+{
+ return 0;
+}
+
+gr_feval_ll::~gr_feval_ll(){}
+
+long
+gr_feval_ll::eval(long x)
+{
+ return 0;
+}
+
+/*
+ * Trivial examples showing C++ (transparently) calling Python
+ */
+double
+gr_feval_dd_example(gr_feval_dd *f, double x)
+{
+ return f->eval(x);
+}
+
+float
+gr_feval_ff_example(gr_feval_ff *f, float x)
+{
+ return f->eval(x);
+}
+
+gr_complex
+gr_feval_cc_example(gr_feval_cc *f, gr_complex x)
+{
+ return f->eval(x);
+}
+
+long
+gr_feval_ll_example(gr_feval_ll *f, long x)
+{
+ return f->eval(x);
+}