Function main

dependency/densecrf/examples/test_pairwise.cpp:55–75

};

int main() {
	int N = 1000, M = 4, d = 2;
	MatrixXf f = 0.3*MatrixXf::Random( d, N );
	MatrixXf a = MatrixXf::Random( M, N ), b = MatrixXf::Random( M, N );
	PairwiseEnergy e( f.array(), a, a );
	
	VectorXf p = e.initialValue();
// 	p = VectorXf::Random( p.rows() );
	VectorXf g = p;
	std::cout<<"start = "<<e.gradient( p, g )<<std::endl;
// 	std::cout<<p.transpose()<<std::endl;
	p = minimizeLBFGS( e, 5, 1 );
	std::cout<<"E =  "<<e.gradient( p, g )<<"   "<<gradCheck( e, p, 1e-2 )<<"   "<<p.transpose()<<std::endl;
	std::cout<<"g  = "<<g.transpose()<<std::endl;
	std::cout<<"ng = "<<numericGradient( e, p ).transpose()<<std::endl;
	std::cout<<"ng = "<<numericGradient( e, p, 1e-2 ).transpose()<<std::endl;
// 	int id;
// 	VectorXf dg = g.transpose()-numericGradient( e, p );
// 	dg.array().abs().maxCoeff( &id );
// 	std::cout<<computeFunction( e, p-g, 0.02*g ).transpose()<<std::endl;
}