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Diffstat (limited to 'extern/libmv/third_party/ceres/internal/ceres/schur_jacobi_preconditioner.h')
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1 files changed, 0 insertions, 106 deletions
diff --git a/extern/libmv/third_party/ceres/internal/ceres/schur_jacobi_preconditioner.h b/extern/libmv/third_party/ceres/internal/ceres/schur_jacobi_preconditioner.h deleted file mode 100644 index 8b528e25075..00000000000 --- a/extern/libmv/third_party/ceres/internal/ceres/schur_jacobi_preconditioner.h +++ /dev/null @@ -1,106 +0,0 @@ -// Ceres Solver - A fast non-linear least squares minimizer -// Copyright 2013 Google Inc. All rights reserved. -// http://code.google.com/p/ceres-solver/ -// -// Redistribution and use in source and binary forms, with or without -// modification, are permitted provided that the following conditions are met: -// -// * Redistributions of source code must retain the above copyright notice, -// this list of conditions and the following disclaimer. -// * Redistributions in binary form must reproduce the above copyright notice, -// this list of conditions and the following disclaimer in the documentation -// and/or other materials provided with the distribution. -// * Neither the name of Google Inc. nor the names of its contributors may be -// used to endorse or promote products derived from this software without -// specific prior written permission. -// -// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" -// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE -// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE -// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE -// LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR -// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF -// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS -// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN -// CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) -// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE -// POSSIBILITY OF SUCH DAMAGE. -// -// Author: sameeragarwal@google.com (Sameer Agarwal) -// -// Detailed descriptions of these preconditions beyond what is -// documented here can be found in -// -// Bundle Adjustment in the Large -// S. Agarwal, N. Snavely, S. Seitz & R. Szeliski, ECCV 2010 -// http://www.cs.washington.edu/homes/sagarwal/bal.pdf - -#ifndef CERES_INTERNAL_SCHUR_JACOBI_PRECONDITIONER_H_ -#define CERES_INTERNAL_SCHUR_JACOBI_PRECONDITIONER_H_ - -#include <set> -#include <vector> -#include <utility> -#include "ceres/collections_port.h" -#include "ceres/internal/macros.h" -#include "ceres/internal/scoped_ptr.h" -#include "ceres/preconditioner.h" - -namespace ceres { -namespace internal { - -class BlockRandomAccessDiagonalMatrix; -class BlockSparseMatrix; -struct CompressedRowBlockStructure; -class SchurEliminatorBase; - -// This class implements the SCHUR_JACOBI preconditioner for Structure -// from Motion/Bundle Adjustment problems. Full mathematical details -// can be found in -// -// Bundle Adjustment in the Large -// S. Agarwal, N. Snavely, S. Seitz & R. Szeliski, ECCV 2010 -// http://www.cs.washington.edu/homes/sagarwal/bal.pdf -// -// Example usage: -// -// Preconditioner::Options options; -// options.preconditioner_type = SCHUR_JACOBI; -// options.elimination_groups.push_back(num_points); -// options.elimination_groups.push_back(num_cameras); -// SchurJacobiPreconditioner preconditioner( -// *A.block_structure(), options); -// preconditioner.Update(A, NULL); -// preconditioner.RightMultiply(x, y); -// -class SchurJacobiPreconditioner : public BlockSparseMatrixPreconditioner { - public: - // Initialize the symbolic structure of the preconditioner. bs is - // the block structure of the linear system to be solved. It is used - // to determine the sparsity structure of the preconditioner matrix. - // - // It has the same structural requirement as other Schur complement - // based solvers. Please see schur_eliminator.h for more details. - SchurJacobiPreconditioner(const CompressedRowBlockStructure& bs, - const Preconditioner::Options& options); - virtual ~SchurJacobiPreconditioner(); - - // Preconditioner interface. - virtual void RightMultiply(const double* x, double* y) const; - virtual int num_rows() const; - - private: - void InitEliminator(const CompressedRowBlockStructure& bs); - virtual bool UpdateImpl(const BlockSparseMatrix& A, const double* D); - - Preconditioner::Options options_; - scoped_ptr<SchurEliminatorBase> eliminator_; - // Preconditioner matrix. - scoped_ptr<BlockRandomAccessDiagonalMatrix> m_; - CERES_DISALLOW_COPY_AND_ASSIGN(SchurJacobiPreconditioner); -}; - -} // namespace internal -} // namespace ceres - -#endif // CERES_INTERNAL_SCHUR_JACOBI_PRECONDITIONER_H_ |