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/*
gen_table.cc Game Table Generator
Copyright (c) 2003, 2004 Kriang Lerdsuwanakij
email: lerdsuwa@users.sourceforge.net
This program 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 2 of the License, or
(at your option) any later version.
This program 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 this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include "config.h"
#include <exception>
#include <stdexcept>
#include <fstream>
#include <sstream>
#include <iomanip>
#include <string>
#include "gtstream.h"
#ifdef _
#undef _
#endif
#ifdef N_
#undef N_
#endif
#include <libintl.h>
#define _(x) gettext(x)
#define N_(x) x
// Grab version number in VERSION variable
// Use same version number as main GRhino program
#undef VERSION
const char *
#include "scripts/version"
;
const char *prog_name = "gen_table";
const char *prog_ver = VERSION;
// Counting bit algorithm from
// http://www.caam.rice.edu/~dougm/twiddle/BitCount.html
int slow_count_bits(int x)
{
int count = 0;
while (x) {
++count;
x &= x-1;
}
return count;
}
int main_real()
{
// Generate header
std::ofstream ofs("table-dat.h");
ofs << "/* Generated by gen_table. */\n\n";
// Generate start board
ofs << "char bit_count_table[256] = {\n";
for (int i = 0; i < 16; ++i) {
ofs << '\t';
for (int j = 0; j < 16; ++j) {
int num = i*16 + j;
ofs << slow_count_bits(num);
if (num < 255)
ofs << ", ";
}
ofs << '\n';
}
ofs << "};\n\n";
return 0;
}
int main()
{
try {
return main_real();
}
catch (std::exception &e) {
std::cout << std::flush;
gtout(std::cerr, _("%$: %$\n")) << prog_name << e.what();
}
catch (const char *s) {
std::cout << std::flush;
gtout(std::cerr, _("%$: exception %$\n")) << prog_name << s;
}
catch (...) {
std::cout << std::flush;
gtout(std::cerr, _("%$: unknown exception\n")) << prog_name;
}
return 1;
}
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