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/*=============================================================================
This file is part of FLINT.
FLINT 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.
FLINT 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 FLINT; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
=============================================================================*/
/******************************************************************************
Copyright (C) 2011 Fredrik Johansson
Copyright (C) 2013 Tom Bachmann (C++ adaptation)
******************************************************************************/
/*
Demo FLINT program for generating Stirling number matrices
and inverting them.
*/
#include <cstdio>
#include "fmpz_matxx.h"
#include "fmpzxx.h"
#include "arithxx.h"
using namespace std;
using namespace flint;
int main(int argc, char* argv[])
{
if (argc != 2)
{
flint_printf("Syntax: stirling_matrix <integer>\n");
return 1;
}
slong n = atoi(argv[1]);
fmpz_matxx S1(stirling_matrix_1(n, n)), S2(stirling_matrix_2(n, n));
flint_printf("S1 [Stirling numbers of 1st kind]:\n");
print_pretty(S1);
flint_printf("\n\n");
flint_printf("S2 [Stirling numbers of 2nd kind]:\n");
print_pretty(S2);
flint_printf("\n\n");
flint_printf("S1 * S2:\n");
print_pretty(S1*S2);
flint_printf("\n\n");
return 0;
}
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