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List: gnuradio-patch
Subject: [Patch-gnuradio] gr_max_XX block
From: "Trond Danielsen" <trond.danielsen () gmail ! com>
Date: 2007-04-27 12:02:03
Message-ID: 409676c70704270502q55e35bf9i6819b54bf1e9f02e () mail ! gmail ! com
[Download RAW message or body]
gr_max_XX block that accepts an "unlimited" number of vector inputs
and returns the maximum value across all inputs.
--
Trond Danielsen
["gr_max.patch" (text/x-patch)]
Index: gr_max_XX.h.t
===================================================================
--- gr_max_XX.h.t (revisjon 0)
+++ gr_max_XX.h.t (revisjon 0)
@@ -0,0 +1,50 @@
+/* -*- c++ -*- */
+/*
+ * Copyright 2004 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., 51 Franklin Street,
+ * Boston, MA 02110-1301, USA.
+ */
+
+// @WARNING@
+
+#ifndef @GUARD_NAME@
+#define @GUARD_NAME@
+
+#include <gr_sync_block.h>
+
+class @NAME@;
+typedef boost::shared_ptr<@NAME@> @SPTR_NAME@;
+
+@SPTR_NAME@ gr_make_@BASE_NAME@ ();
+
+
+class @NAME@ : public gr_sync_block
+{
+ friend @SPTR_NAME@ gr_make_@BASE_NAME@ ();
+
+ @NAME@ ();
+
+ public:
+
+ int work (int noutput_items,
+ gr_vector_const_void_star &input_items,
+ gr_vector_void_star &output_items);
+};
+
+
+#endif
Index: gr_max_XX.cc.t
===================================================================
--- gr_max_XX.cc.t (revisjon 0)
+++ gr_max_XX.cc.t (revisjon 0)
@@ -0,0 +1,70 @@
+/* -*- c++ -*- */
+/*
+ * Copyright 2004 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., 51 Franklin Street,
+ * Boston, MA 02110-1301, USA.
+ */
+
+// @WARNING@
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include <@NAME@.h>
+#include <gr_io_signature.h>
+
+@SPTR_NAME@
+gr_make_@BASE_NAME@ ( size_t nitems_per_block )
+{
+ return @SPTR_NAME@ ( new @NAME@(nitems_per_block));
+}
+
+@NAME@::@NAME@( size_t nitems_per_block)
+ : gr_sync_block ( "@BASE_NAME@",
+ gr_make_io_signature (1, -1, nitems_per_block*sizeof (@I_TYPE@)),
+ gr_make_io_signature (1, 1, sizeof (@O_TYPE@)))
+{
+}
+
+@NAME@::~@NAME@()
+{
+}
+
+int
+@NAME@::work( int noutput_items,
+ gr_vector_const_void_star &input_items,
+ gr_vector_void_star &output_items)
+{
+ const @I_TYPE@ *in;
+ @O_TYPE@ *optr = (@O_TYPE@ *) output_items[0];
+ int nitems_per_block = input_signature()->sizeof_stream_item(0)/sizeof(@I_TYPE@);
+ int ninputs = input_items.size ();
+
+ for (int i=0; i<noutput_items; i++) {
+
+ @O_TYPE@ max = 0;
+ for (int j=0; j<nitems_per_block; j++ )
+ for (int k=0; k<ninputs; k++, in=(const @I_TYPE@ *)input_items[k])
+ max = ( in[i*nitems_per_block + j] > max) ? in[i*nitems_per_block + j] : max;
+
+ optr[i] = max;
+ }
+ return noutput_items;
+}
+
Index: generate_common.py
===================================================================
--- generate_common.py (revisjon 5153)
+++ generate_common.py (arbeidskopi)
@@ -59,7 +59,8 @@
('gr_unpacked_to_packed_XX', ('bb','ss','ii')),
('gr_packed_to_unpacked_XX', ('bb','ss','ii')),
('gr_sample_and_hold_XX', ('bb','ss','ii','ff')),
- ('gr_peak_detector_XX', ('ff','ii','ss'))
+ ('gr_peak_detector_XX', ('ff','ii','ss')),
+ ('gr_max_XX', ('ff','ii','ss')),
)
Index: gr_max_XX.i.t
===================================================================
--- gr_max_XX.i.t (revisjon 0)
+++ gr_max_XX.i.t (revisjon 0)
@@ -0,0 +1,33 @@
+/* -*- c++ -*- */
+/*
+ * Copyright 2004 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., 51 Franklin Street,
+ * Boston, MA 02110-1301, USA.
+ */
+
+// @WARNING@
+
+GR_SWIG_BLOCK_MAGIC(gr,@BASE_NAME@)
+
+@SPTR_NAME@ gr_make_@BASE_NAME@ ();
+
+class @NAME@ : public gr_sync_block
+{
+ private:
+ @NAME@ ();
+};
Index: Makefile.am
===================================================================
--- Makefile.am (revisjon 5153)
+++ Makefile.am (arbeidskopi)
@@ -50,6 +50,9 @@
gr_divide_XX.cc.t \
gr_divide_XX.h.t \
gr_divide_XX.i.t \
+ gr_max_XX.cc.t \
+ gr_max_XX.h.t \
+ gr_max_XX.i.t \
gr_multiply_XX.cc.t \
gr_multiply_XX.h.t \
gr_multiply_XX.i.t \
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