devtools/eigen
1
0
Fork 0
mirror of https://gitlab.com/libeigen/eigen.git synced 2026-04-10 11:34:33 +08:00
Code Issues Packages Projects Releases Wiki Activity

finalize trsm: works in all situations, and it is now used by solve() and solveInPlace()

Browse Source
This commit is contained in:
Gael Guennebaud
2009-07-26 13:01:37 +02:00
parent 282e18da49
commit f3fde74695
4 changed files with 185 additions and 53 deletions
Download Patch File Download Diff File Expand all files Collapse all files

1
test/CMakeLists.txt
View File

@@ -101,6 +101,7 @@ ei_add_test(product_extra ${EI_OFLAG})
ei_add_test(product_selfadjoint ${EI_OFLAG})
ei_add_test(product_symm ${EI_OFLAG})
ei_add_test(product_syrk ${EI_OFLAG})
ei_add_test(product_trsm ${EI_OFLAG})
ei_add_test(diagonalmatrices)
ei_add_test(adjoint)
ei_add_test(submatrices)

95
test/product_trsm.cpp Normal file
View File

@@ -0,0 +1,95 @@
// This file is part of Eigen, a lightweight C++ template library
// for linear algebra.
//
// Copyright (C) 2008-2009 Gael Guennebaud <gael.guennebaud@gmail.com>
//
// Eigen 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.
//
// Alternatively, 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.
//
// Eigen 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 or the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public
// License and a copy of the GNU General Public License along with
// Eigen. If not, see <http://www.gnu.org/licenses/>.
#include "main.h"
template<typename Lhs, typename Rhs>
void solve_ref(const Lhs& lhs, Rhs& rhs)
{
for (int j=0; j<rhs.cols(); ++j)
lhs.solveInPlace(rhs.col(j));
}
template<typename Scalar> void trsm(int size,int cols)
{
typedef typename NumTraits<Scalar>::Real RealScalar;
Matrix<Scalar,Dynamic,Dynamic,ColMajor> cmLhs(size,size);
Matrix<Scalar,Dynamic,Dynamic,RowMajor> rmLhs(size,size);
Matrix<Scalar,Dynamic,Dynamic,ColMajor> cmRef(size,cols), cmRhs(size,cols);
Matrix<Scalar,Dynamic,Dynamic,RowMajor> rmRef(size,cols), rmRhs(size,cols);
cmLhs.setRandom(); cmLhs.diagonal().cwise() += 10;
rmLhs.setRandom(); rmLhs.diagonal().cwise() += 10;
cmRhs.setRandom(); cmRef = cmRhs;
cmLhs.conjugate().template triangularView<LowerTriangular>().solveInPlace(cmRhs);
solve_ref(cmLhs.conjugate().template triangularView<LowerTriangular>(),cmRef);
VERIFY_IS_APPROX(cmRhs, cmRef);
cmRhs.setRandom(); cmRef = cmRhs;
cmLhs.conjugate().template triangularView<UpperTriangular>().solveInPlace(cmRhs);
solve_ref(cmLhs.conjugate().template triangularView<UpperTriangular>(),cmRef);
VERIFY_IS_APPROX(cmRhs, cmRef);
rmRhs.setRandom(); rmRef = rmRhs;
cmLhs.template triangularView<LowerTriangular>().solveInPlace(rmRhs);
solve_ref(cmLhs.template triangularView<LowerTriangular>(),rmRef);
VERIFY_IS_APPROX(rmRhs, rmRef);
rmRhs.setRandom(); rmRef = rmRhs;
cmLhs.template triangularView<UpperTriangular>().solveInPlace(rmRhs);
solve_ref(cmLhs.template triangularView<UpperTriangular>(),rmRef);
VERIFY_IS_APPROX(rmRhs, rmRef);
cmRhs.setRandom(); cmRef = cmRhs;
rmLhs.template triangularView<UnitLowerTriangular>().solveInPlace(cmRhs);
solve_ref(rmLhs.template triangularView<UnitLowerTriangular>(),cmRef);
VERIFY_IS_APPROX(cmRhs, cmRef);
cmRhs.setRandom(); cmRef = cmRhs;
rmLhs.template triangularView<UnitUpperTriangular>().solveInPlace(cmRhs);
solve_ref(rmLhs.template triangularView<UnitUpperTriangular>(),cmRef);
VERIFY_IS_APPROX(cmRhs, cmRef);
rmRhs.setRandom(); rmRef = rmRhs;
rmLhs.template triangularView<LowerTriangular>().solveInPlace(rmRhs);
solve_ref(rmLhs.template triangularView<LowerTriangular>(),rmRef);
VERIFY_IS_APPROX(rmRhs, rmRef);
rmRhs.setRandom(); rmRef = rmRhs;
rmLhs.template triangularView<UpperTriangular>().solveInPlace(rmRhs);
solve_ref(rmLhs.template triangularView<UpperTriangular>(),rmRef);
VERIFY_IS_APPROX(rmRhs, rmRef);
}
void test_product_trsm()
{
for(int i = 0; i < g_repeat ; i++)
{
trsm<float>(ei_random<int>(1,320),ei_random<int>(1,320));
trsm<std::complex<double> >(ei_random<int>(1,320),ei_random<int>(1,320));
}
}