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				| /*=========================================================================== | |
|   | |
|  Copyright (C) 2007-2012 Yves Renard, Julien Pommier. | |
|   | |
|  This file is a part of GETFEM++ | |
|   | |
|  Getfem++  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 along with the GCC Runtime Library | |
|  Exception either version 3.1 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 Lesser General Public | |
|  License and GCC Runtime Library Exception for more details. | |
|  You  should  have received a copy of the GNU Lesser General Public License | |
|  along  with  this program;  if not, write to the Free Software Foundation, | |
|  Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301, USA. | |
|   | |
| ===========================================================================*/ | |
| // RECTANGULAR_MATRIX_PARAM | |
| // RECTANGULAR_MATRIX_PARAM; | |
| // RECTANGULAR_MATRIX_PARAM; | |
| // ENDPARAM; | |
|  | |
| #include "gmm/gmm_kernel.h" | |
|  | |
| using std::endl; using std::cout; using std::cerr; | |
| using std::ends; using std::cin; | |
| using gmm::size_type; | |
| 
 | |
| template <typename MAT1, typename MAT2, typename MAT3> | |
| bool test_procedure(const MAT1 &m1_, const MAT2 &m2_, const MAT3 &m3_) { | |
|   MAT1  &m1 = const_cast<MAT1  &>(m1_); | |
|   MAT2  &m2 = const_cast<MAT2  &>(m2_); | |
|   MAT3  &m3 = const_cast<MAT3  &>(m3_); | |
|   typedef typename gmm::linalg_traits<MAT1>::value_type T; | |
|   typedef typename gmm::number_traits<T>::magnitude_type R; | |
|   R prec = gmm::default_tol(R()); | |
|   static size_type nb_iter(0); | |
|   ++nb_iter; | |
| 
 | |
|   size_type k = gmm::mat_nrows(m1); | |
|   size_type l = std::max(gmm::mat_ncols(m1), gmm::mat_nrows(m2)); | |
|   size_type m = std::max(gmm::mat_ncols(m2), gmm::mat_nrows(m3)); | |
|   size_type n = gmm::mat_ncols(m3); | |
| 
 | |
|   gmm::dense_matrix<T> m4(k, m); | |
|   gmm::mult(m1, m2, m4); | |
| 
 | |
|   R error = mat_euclidean_norm(m4) | |
|     - mat_euclidean_norm(m1) * mat_euclidean_norm(m2); | |
|   if (error > prec * R(100)) | |
|     GMM_ASSERT1(false, "Inconsistence of fröbenius norm" << error); | |
| 
 | |
|   error = mat_norm1(m4) - mat_norm1(m1) * mat_norm1(m2); | |
|   if (error > prec * R(100)) | |
|     GMM_ASSERT1(false, "Inconsistence of norm1 for matrices" | |
| 	      << error); | |
|   error = mat_norminf(m4) - mat_norminf(m1) * mat_norminf(m2); | |
|   if (error > prec * R(100)) | |
|     GMM_ASSERT1(false, "Inconsistence of norminf for matrices" | |
| 		<< error); | |
| 
 | |
|   size_type mm = std::min(m, k); | |
|   size_type nn = std::min(n, m); | |
| 
 | |
|   gmm::dense_matrix<T> m1bis(mm, l), m2bis(l, nn), m3bis(mm, nn); | |
|   gmm::copy(gmm::sub_matrix(m1, gmm::sub_interval(0,mm), | |
| 			    gmm::sub_interval(0,l)), m1bis); | |
|   gmm::copy(gmm::sub_matrix(m2, gmm::sub_interval(0,l), | |
| 			    gmm::sub_interval(0,nn)), m2bis); | |
|   gmm::mult(m1bis, m2bis, m3bis); | |
|   gmm::mult(gmm::sub_matrix(m1, gmm::sub_interval(0,mm), | |
| 			    gmm::sub_interval(0,l)), | |
| 	    gmm::sub_matrix(m2, gmm::sub_interval(0,l), | |
| 			    gmm::sub_interval(0,nn)), | |
| 	    gmm::sub_matrix(m3, gmm::sub_interval(0,mm), | |
| 			    gmm::sub_interval(0,nn))); | |
|   gmm::add(gmm::scaled(m3bis, T(-1)), | |
| 	   gmm::sub_matrix(m3, gmm::sub_interval(0,mm), | |
| 			   gmm::sub_interval(0,nn))); | |
|    | |
|   error = gmm::mat_euclidean_norm(gmm::sub_matrix(m3, gmm::sub_interval(0,mm), | |
| 					   gmm::sub_interval(0,nn))); | |
| 
 | |
|   if (!(error <= prec * R(10000))) | |
|     GMM_ASSERT1(false, "Error too large: " << error); | |
| 
 | |
|   if (nn <= gmm::mat_nrows(m3) && mm <= gmm::mat_ncols(m3)) { | |
|      | |
|     gmm::scale(m1, T(2)); | |
|     gmm::mult(gmm::scaled(gmm::sub_matrix(m1, gmm::sub_interval(0,mm), | |
| 					  gmm::sub_interval(0,l)), T(-1)), | |
| 	      gmm::sub_matrix(m2, gmm::sub_interval(0,l), | |
| 			      gmm::sub_interval(0,nn)), | |
| 	      gmm::sub_matrix(gmm::transposed(m3), gmm::sub_interval(0,mm), | |
| 			      gmm::sub_interval(0,nn))); | |
|     gmm::add(gmm::scaled(m3bis, T(2)), | |
| 	     gmm::transposed(gmm::sub_matrix(m3, gmm::sub_interval(0,nn), | |
| 					     gmm::sub_interval(0,mm)))); | |
|      | |
|     error = gmm::mat_euclidean_norm(gmm::sub_matrix(m3, gmm::sub_interval(0,nn), | |
| 					   gmm::sub_interval(0,mm))); | |
|      | |
|     if (!(error <= prec * R(10000))) | |
|       GMM_ASSERT1(false, "Error too large: " << error); | |
|   } | |
|   if (nb_iter == 100) return true; | |
|   return false; | |
|    | |
| }
 |