diff options
Diffstat (limited to 'extern/libmv/third_party/ceres/internal/ceres/block_random_access_dense_matrix.cc')
-rw-r--r-- | extern/libmv/third_party/ceres/internal/ceres/block_random_access_dense_matrix.cc | 88 |
1 files changed, 0 insertions, 88 deletions
diff --git a/extern/libmv/third_party/ceres/internal/ceres/block_random_access_dense_matrix.cc b/extern/libmv/third_party/ceres/internal/ceres/block_random_access_dense_matrix.cc deleted file mode 100644 index e5822792fa1..00000000000 --- a/extern/libmv/third_party/ceres/internal/ceres/block_random_access_dense_matrix.cc +++ /dev/null @@ -1,88 +0,0 @@ -// Ceres Solver - A fast non-linear least squares minimizer -// Copyright 2010, 2011, 2012 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) - -#include "ceres/block_random_access_dense_matrix.h" - -#include <vector> -#include "ceres/internal/eigen.h" -#include "ceres/internal/scoped_ptr.h" -#include "glog/logging.h" - -namespace ceres { -namespace internal { - -BlockRandomAccessDenseMatrix::BlockRandomAccessDenseMatrix( - const vector<int>& blocks) { - const int num_blocks = blocks.size(); - block_layout_.resize(num_blocks, 0); - num_rows_ = 0; - for (int i = 0; i < num_blocks; ++i) { - block_layout_[i] = num_rows_; - num_rows_ += blocks[i]; - } - - values_.reset(new double[num_rows_ * num_rows_]); - - cell_infos_.reset(new CellInfo[num_blocks * num_blocks]); - for (int i = 0; i < num_blocks * num_blocks; ++i) { - cell_infos_[i].values = values_.get(); - } - - SetZero(); -} - -// Assume that the user does not hold any locks on any cell blocks -// when they are calling SetZero. -BlockRandomAccessDenseMatrix::~BlockRandomAccessDenseMatrix() { -} - -CellInfo* BlockRandomAccessDenseMatrix::GetCell(const int row_block_id, - const int col_block_id, - int* row, - int* col, - int* row_stride, - int* col_stride) { - *row = block_layout_[row_block_id]; - *col = block_layout_[col_block_id]; - *row_stride = num_rows_; - *col_stride = num_rows_; - return &cell_infos_[row_block_id * block_layout_.size() + col_block_id]; -} - -// Assume that the user does not hold any locks on any cell blocks -// when they are calling SetZero. -void BlockRandomAccessDenseMatrix::SetZero() { - if (num_rows_) { - VectorRef(values_.get(), num_rows_ * num_rows_).setZero(); - } -} - -} // namespace internal -} // namespace ceres |