/* Copyright (c) FFLAS-FFPACK
* Written by Jean-Guillaume Dumas <Jean-Guillaume.Dumas@imag.fr>
* ========LICENCE========
* This file is part of the library FFLAS-FFPACK.
*
* FFLAS-FFPACK 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 2.1 of the License, or (at your option) any later version.
*
* This library 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 this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
* ========LICENCE========
*/


#include <fflas-ffpack/fflas-ffpack-config.h>
#include <givaro/modular-balanced.h>
#include <fflas-ffpack/fflas/fflas.h>
#include <fflas-ffpack/utils/timer.h>
#include <fflas-ffpack/utils/Matio.h>
#include <fflas-ffpack/utils/args-parser.h>

#include <iostream>

using namespace FFLAS;

int main(int argc, char** argv) {

	typedef Givaro::ModularBalanced<float> Ring;
	Ring F(101);

	Ring::Element * A, * B, * C;

	A = fflas_new(F,2,3);
	B = fflas_new(F,3,2);
	C = fflas_new(F,2,2);  

	F.assign(*(A+0),F.one);
	F.init(*(A+1),2);
	F.init(*(A+2),3);
	F.init(*(A+3),5);
	F.init(*(A+4),7);
	F.init(*(A+5),11);

        Ring::Element t,u,v; 
        F.init(t, 2); F.init(u, 4); F.init(v);

	F.assign(*(B+0),F.zero);		// B[0] <- 0
	F.assign(*(B+1),t);			// B[1] <- 2
	F.assign(*(B+2),u);			// B[2] <- 4 
        F.add(v,t,u); F.assign(*(B+3),v);	// B[3] <- 2+4
	F.mul(*(B+4),t,u);			// B[4] <- 2*4
	F.add(*(B+5),u,v);			// B[5] <- 4+6
	
	write_field(F, std::cout << "A:=", A, 2, 3, 3,true) << std::endl;
	write_field(F, std::cout << "B:=", B, 3, 2, 2,true) << std::endl;

	fgemm (F, FflasNoTrans, FflasNoTrans, 2,2,3, F.one, A, 3, B, 2, F.zero, C, 2 );

	write_field(F, std::cout << "C:=", C, 2, 2, 2,true) << std::endl;
	
	fflas_delete( A);
	fflas_delete( B);
	fflas_delete( C);
	
	

  return 0;
}

