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/* -*- c++ -*- */
/*
* Copyright 2002,2012 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.
*/
#include <cstdio>
#include <stdexcept>
#include <cmath>
#include <trellis/base.h>
namespace gr {
namespace trellis {
bool
dec2base(unsigned int num, int base, std::vector<int> &s)
{
int l = s.size();
unsigned int n=num;
for(int i=0;i<l;i++) {
s[l-i-1] = n % base; //MSB first
n /= base;
}
if(n!=0) {
printf("Number %d requires more than %d digits.",num,l);
return false;
}
else
return true;
}
unsigned int
base2dec(const std::vector<int> &s, int base)
{
int l = s.size();
unsigned int num=0;
for(int i=0;i<l;i++)
num=num*base+s[i];
return num;
}
bool
dec2bases(unsigned int num, const std::vector<int> &bases, std::vector<int> &s)
{
int l = s.size();
unsigned int n=num;
for(int i=0;i<l;i++) {
s[l-i-1] = n % bases[l-i-1];
n /= bases[l-i-1];
}
if(n!=0) {
printf("Number %d requires more than %d digits.",num,l);
return false;
}
else
return true;
}
unsigned int
bases2dec(const std::vector<int> &s, const std::vector<int> &bases)
{
int l = s.size();
unsigned int num=0;
for(int i=0;i<l;i++)
num = num * bases[i] + s[i];
return num;
}
} /* namespace trellis */
} /* namespace gr */
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