| //===================================================== |
| // Copyright (C) 2008 Gael Guennebaud <gael.guennebaud@inria.fr> |
| //===================================================== |
| // |
| // 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
| // |
| #ifndef GMM_INTERFACE_HH |
| #define GMM_INTERFACE_HH |
| |
| #include <gmm/gmm.h> |
| #include <vector> |
| |
| using namespace gmm; |
| |
| template<class real> |
| class gmm_interface { |
| |
| public : |
| |
| typedef real real_type ; |
| |
| typedef std::vector<real> stl_vector; |
| typedef std::vector<stl_vector > stl_matrix; |
| |
| typedef gmm::dense_matrix<real> gene_matrix; |
| typedef stl_vector gene_vector; |
| |
| static inline std::string name( void ) |
| { |
| return "gmm"; |
| } |
| |
| static void free_matrix(gene_matrix & A, int N){ |
| return ; |
| } |
| |
| static void free_vector(gene_vector & B){ |
| return ; |
| } |
| |
| static inline void matrix_from_stl(gene_matrix & A, stl_matrix & A_stl){ |
| A.resize(A_stl[0].size(),A_stl.size()); |
| |
| for (int j=0; j<A_stl.size() ; j++){ |
| for (int i=0; i<A_stl[j].size() ; i++){ |
| A(i,j) = A_stl[j][i]; |
| } |
| } |
| } |
| |
| static inline void vector_from_stl(gene_vector & B, stl_vector & B_stl){ |
| B = B_stl; |
| } |
| |
| static inline void vector_to_stl(gene_vector & B, stl_vector & B_stl){ |
| B_stl = B; |
| } |
| |
| static inline void matrix_to_stl(gene_matrix & A, stl_matrix & A_stl){ |
| int N=A_stl.size(); |
| |
| for (int j=0;j<N;j++){ |
| A_stl[j].resize(N); |
| for (int i=0;i<N;i++){ |
| A_stl[j][i] = A(i,j); |
| } |
| } |
| } |
| |
| static inline void matrix_matrix_product(const gene_matrix & A, const gene_matrix & B, gene_matrix & X, int N){ |
| gmm::mult(A,B, X); |
| } |
| |
| static inline void transposed_matrix_matrix_product(const gene_matrix & A, const gene_matrix & B, gene_matrix & X, int N){ |
| gmm::mult(gmm::transposed(A),gmm::transposed(B), X); |
| } |
| |
| static inline void ata_product(const gene_matrix & A, gene_matrix & X, int N){ |
| gmm::mult(gmm::transposed(A),A, X); |
| } |
| |
| static inline void aat_product(const gene_matrix & A, gene_matrix & X, int N){ |
| gmm::mult(A,gmm::transposed(A), X); |
| } |
| |
| static inline void matrix_vector_product(gene_matrix & A, gene_vector & B, gene_vector & X, int N){ |
| gmm::mult(A,B,X); |
| } |
| |
| static inline void atv_product(gene_matrix & A, gene_vector & B, gene_vector & X, int N){ |
| gmm::mult(gmm::transposed(A),B,X); |
| } |
| |
| static inline void axpy(const real coef, const gene_vector & X, gene_vector & Y, int N){ |
| gmm::add(gmm::scaled(X,coef), Y); |
| } |
| |
| static inline void axpby(real a, const gene_vector & X, real b, gene_vector & Y, int N){ |
| gmm::add(gmm::scaled(X,a), gmm::scaled(Y,b), Y); |
| } |
| |
| static inline void copy_matrix(const gene_matrix & source, gene_matrix & cible, int N){ |
| gmm::copy(source,cible); |
| } |
| |
| static inline void copy_vector(const gene_vector & source, gene_vector & cible, int N){ |
| gmm::copy(source,cible); |
| } |
| |
| static inline void trisolve_lower(const gene_matrix & L, const gene_vector& B, gene_vector & X, int N){ |
| gmm::copy(B,X); |
| gmm::lower_tri_solve(L, X, false); |
| } |
| |
| static inline void partial_lu_decomp(const gene_matrix & X, gene_matrix & R, int N){ |
| gmm::copy(X,R); |
| std::vector<int> ipvt(N); |
| gmm::lu_factor(R, ipvt); |
| } |
| |
| static inline void hessenberg(const gene_matrix & X, gene_matrix & R, int N){ |
| gmm::copy(X,R); |
| gmm::Hessenberg_reduction(R,X,false); |
| } |
| |
| static inline void tridiagonalization(const gene_matrix & X, gene_matrix & R, int N){ |
| gmm::copy(X,R); |
| gmm::Householder_tridiagonalization(R,X,false); |
| } |
| |
| }; |
| |
| #endif |