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/* -*- c++ -*- */
/*
* Copyright 2006,2013 Free Software Foundation, Inc.
*
* This file is part of GNU Radio
*
* SPDX-License-Identifier: GPL-3.0-or-later
*
*/
/*
* a bit of template hackery...
*/
#ifndef INCLUDED_BLOCKS_LOG2_CONST_H
#define INCLUDED_BLOCKS_LOG2_CONST_H
#include <gnuradio/blocks/api.h>
#include <assert.h>
namespace gr {
namespace blocks {
template <unsigned int k>
static inline constexpr int log2_const()
{
assert(0);
return 0;
}
template <>
inline constexpr int log2_const<1>()
{
return 0;
}
template <>
inline constexpr int log2_const<2>()
{
return 1;
}
template <>
inline constexpr int log2_const<4>()
{
return 2;
}
template <>
inline constexpr int log2_const<8>()
{
return 3;
}
template <>
inline constexpr int log2_const<16>()
{
return 4;
}
template <>
inline constexpr int log2_const<32>()
{
return 5;
}
template <>
inline constexpr int log2_const<64>()
{
return 6;
}
template <>
inline constexpr int log2_const<128>()
{
return 7;
}
template <>
inline constexpr int log2_const<256>()
{
return 8;
}
template <>
inline constexpr int log2_const<512>()
{
return 9;
}
template <>
inline constexpr int log2_const<1024>()
{
return 10;
}
} /* namespace blocks */
} /* namespace gr */
#endif /* INCLUDED_BLOCKS_LOG2_CONST_H */
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