GNU Radio 3.6.5.1 C++ API
gr_stretch_ff.h
Go to the documentation of this file.
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/* -*- c++ -*- */
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/*
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* Copyright 2008 Free Software Foundation, Inc.
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*
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* This file is part of GNU Radio
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*
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* GNU Radio is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 3, or (at your option)
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* any later version.
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*
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* GNU Radio is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with GNU Radio; see the file COPYING. If not, write to
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* the Free Software Foundation, Inc., 51 Franklin Street,
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* Boston, MA 02110-1301, USA.
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*/
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#ifndef INCLUDED_GR_STRETCH_FF_H_
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# define INCLUDED_GR_STRETCH_FF_H_
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#include <
gr_core_api.h
>
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#include <
gr_sync_block.h
>
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/*!
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* \brief adjust y-range of an input vector by mapping to range
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* (max-of-input, stipulated-min). Primarily for spectral signature
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* matching by normalizing spectrum dynamic ranges.
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*/
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class
gr_stretch_ff
;
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typedef
boost::shared_ptr<gr_stretch_ff>
gr_stretch_ff_sptr
;
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GR_CORE_API
gr_stretch_ff_sptr
gr_make_stretch_ff
(
float
lo
,
size_t
vlen
);
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class
GR_CORE_API
gr_stretch_ff
:
public
gr_sync_block
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{
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friend
GR_CORE_API
gr_stretch_ff_sptr
gr_make_stretch_ff
(
float
lo,
size_t
vlen);
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float
d_lo;
// the constant
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size_t
d_vlen;
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gr_stretch_ff
(
float
lo,
size_t
vlen);
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public
:
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float
lo
()
const
{
return
d_lo; }
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void
set_lo
(
float
lo) { d_lo = lo; }
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size_t
vlen
()
const
{
return
d_vlen; }
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int
work
(
int
noutput_items,
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gr_vector_const_void_star
&input_items,
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gr_vector_void_star
&output_items);
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};
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#endif
gnuradio-core
src
lib
general
gr_stretch_ff.h
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