gr_misc.cc

这是用python语言写的一个数字广播的信号处理工具包。利用它

/* -*- c++ -*- */
/*
 * Copyright 2005 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 3, 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.
 */

#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <gr_misc.h>

unsigned int 
gr_rounduppow2(unsigned int n)
{
  int i;
  for (i=0;((n-1)>>i) != 0;i++)
    ;
  return 1<<i;
}

// ----------------------------------------------------------------

void
gr_zero_vector(std::vector<float> &v)
{
  for(unsigned int i=0; i < v.size(); i++)
    v[i] = 0;
}

void
gr_zero_vector(std::vector<double> &v)
{
  for(unsigned int i=0; i < v.size(); i++)
    v[i] = 0;
}

void
gr_zero_vector(std::vector<int> &v)
{
  for(unsigned int i=0; i < v.size(); i++)
    v[i] = 0;
}

void
gr_zero_vector(std::vector<gr_complex> &v)
{
  for(unsigned int i=0; i < v.size(); i++)
    v[i] = 0;
}