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/*
* $Id: make_number_of_bits_table.c,v 1.3 2010/02/05 23:50:23 simakov Exp $
*
* EPSILON - wavelet image compression library.
* Copyright (C) 2006,2007,2010 Alexander Simakov, <xander@entropyware.info>
*
* This file is part of EPSILON
*
* EPSILON is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* EPSILON 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 Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with EPSILON. If not, see <http://www.gnu.org/licenses/>.
*
* http://epsilon-project.sourceforge.net
*/
#include <stdio.h>
#define ALIGN_MASK 0x0f
int number_of_bits(int value)
{
int bits = 0;
while (value > 0) {
value >>= 1;
bits++;
}
return bits;
}
void make_number_of_bits_table()
{
int i;
printf("local int number_of_bits_table[256] = {\n");
for (i = 0; i < 256; i++) {
int bit_length = number_of_bits(i);
if ((i & ALIGN_MASK) == 0) {
printf(" ");
}
printf("%d,%s", bit_length, (i & ALIGN_MASK) == ALIGN_MASK ? "" : " ");
if ((i & ALIGN_MASK) == ALIGN_MASK) {
printf("\n");
}
}
printf("};\n");
}
int main(int argc, char **argv)
{
make_number_of_bits_table();
return 0;
}
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