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authorCarlos Hernandez <chernand@google.com>2014-08-07 17:51:38 -0700
committerCarlos Hernandez <chernand@google.com>2014-08-11 20:38:34 +0000
commit79397c21138f54fcff6ec067b44b847f1f7e0e98 (patch)
treeb2c33877af479b37f082fcbcaf50a24a49b69415 /internal/ceres/block_random_access_diagonal_matrix_test.cc
parentad78e589f893a53da23bbdf41274d89dae656f54 (diff)
downloadceres-solver-74d2994a0aecffa33cbf3fb45e40c0a627131708.tar.gz
Update ceres to the latest version in g3android-wear-5.0.0_r1android-cts-5.1_r9android-cts-5.1_r8android-cts-5.1_r7android-cts-5.1_r6android-cts-5.1_r5android-cts-5.1_r4android-cts-5.1_r3android-cts-5.1_r28android-cts-5.1_r27android-cts-5.1_r26android-cts-5.1_r25android-cts-5.1_r24android-cts-5.1_r23android-cts-5.1_r22android-cts-5.1_r21android-cts-5.1_r20android-cts-5.1_r2android-cts-5.1_r19android-cts-5.1_r18android-cts-5.1_r17android-cts-5.1_r16android-cts-5.1_r15android-cts-5.1_r14android-cts-5.1_r13android-cts-5.1_r10android-cts-5.1_r1android-cts-5.0_r9android-cts-5.0_r8android-cts-5.0_r7android-cts-5.0_r6android-cts-5.0_r5android-cts-5.0_r4android-cts-5.0_r3android-5.1.1_r9android-5.1.1_r8android-5.1.1_r7android-5.1.1_r6android-5.1.1_r5android-5.1.1_r4android-5.1.1_r38android-5.1.1_r37android-5.1.1_r36android-5.1.1_r35android-5.1.1_r34android-5.1.1_r33android-5.1.1_r30android-5.1.1_r3android-5.1.1_r29android-5.1.1_r28android-5.1.1_r26android-5.1.1_r25android-5.1.1_r24android-5.1.1_r23android-5.1.1_r22android-5.1.1_r20android-5.1.1_r2android-5.1.1_r19android-5.1.1_r18android-5.1.1_r17android-5.1.1_r16android-5.1.1_r15android-5.1.1_r14android-5.1.1_r13android-5.1.1_r12android-5.1.1_r10android-5.1.1_r1android-5.1.0_r5android-5.1.0_r4android-5.1.0_r3android-5.1.0_r1android-5.0.2_r3android-5.0.2_r1android-5.0.1_r1android-5.0.0_r7android-5.0.0_r6android-5.0.0_r5.1android-5.0.0_r5android-5.0.0_r4android-5.0.0_r3android-5.0.0_r2android-5.0.0_r1lollipop-wear-releaselollipop-releaselollipop-mr1-wfc-releaselollipop-mr1-releaselollipop-mr1-fi-releaselollipop-mr1-devlollipop-mr1-cts-releaselollipop-devlollipop-cts-release
Please pay special attention to the changes in Android.mk. They are the only real changes I had to make. Bug: 16953678 Change-Id: I44a644358e779aaff99a2ea822387fe49ac26888
Diffstat (limited to 'internal/ceres/block_random_access_diagonal_matrix_test.cc')
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diff --git a/internal/ceres/block_random_access_diagonal_matrix_test.cc b/internal/ceres/block_random_access_diagonal_matrix_test.cc
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+// 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)
+
+#include <limits>
+#include <vector>
+
+#include "ceres/block_random_access_diagonal_matrix.h"
+#include "ceres/internal/eigen.h"
+#include "glog/logging.h"
+#include "gtest/gtest.h"
+
+namespace ceres {
+namespace internal {
+
+TEST(BlockRandomAccessDiagonalMatrix, GetCell) {
+ vector<int> blocks;
+ blocks.push_back(3);
+ blocks.push_back(4);
+ blocks.push_back(5);
+ const int num_rows = 3 + 4 + 5;
+ const int num_nonzeros = 3 * 3 + 4 * 4 + 5 * 5;
+
+ BlockRandomAccessDiagonalMatrix m(blocks);
+ EXPECT_EQ(m.num_rows(), num_rows);
+ EXPECT_EQ(m.num_cols(), num_rows);
+
+ for (int i = 0; i < blocks.size(); ++i) {
+ const int row_block_id = i;
+ int col_block_id;
+ int row;
+ int col;
+ int row_stride;
+ int col_stride;
+
+ for (int j = 0; j < blocks.size(); ++j) {
+ col_block_id = j;
+ CellInfo* cell = m.GetCell(row_block_id, col_block_id,
+ &row, &col,
+ &row_stride, &col_stride);
+ // Off diagonal entries are not present.
+ if (i != j) {
+ EXPECT_TRUE(cell == NULL);
+ continue;
+ }
+
+ EXPECT_TRUE(cell != NULL);
+ EXPECT_EQ(row, 0);
+ EXPECT_EQ(col, 0);
+ EXPECT_EQ(row_stride, blocks[row_block_id]);
+ EXPECT_EQ(col_stride, blocks[col_block_id]);
+
+ // Write into the block
+ MatrixRef(cell->values, row_stride, col_stride).block(
+ row, col, blocks[row_block_id], blocks[col_block_id]) =
+ (row_block_id + 1) * (col_block_id +1) *
+ Matrix::Ones(blocks[row_block_id], blocks[col_block_id]);
+ }
+ }
+
+ const TripletSparseMatrix* tsm = m.matrix();
+ EXPECT_EQ(tsm->num_nonzeros(), num_nonzeros);
+ EXPECT_EQ(tsm->max_num_nonzeros(), num_nonzeros);
+
+ Matrix dense;
+ tsm->ToDenseMatrix(&dense);
+
+ double kTolerance = 1e-14;
+
+ // (0,0)
+ EXPECT_NEAR((dense.block(0, 0, 3, 3) - Matrix::Ones(3, 3)).norm(),
+ 0.0,
+ kTolerance);
+
+ // (1,1)
+ EXPECT_NEAR((dense.block(3, 3, 4, 4) - 2 * 2 * Matrix::Ones(4, 4)).norm(),
+ 0.0,
+ kTolerance);
+
+ // (1,1)
+ EXPECT_NEAR((dense.block(7, 7, 5, 5) - 3 * 3 * Matrix::Ones(5, 5)).norm(),
+ 0.0,
+ kTolerance);
+
+ // There is nothing else in the matrix besides these four blocks.
+ EXPECT_NEAR(dense.norm(), sqrt(9.0 + 16. * 16. + 81.0 * 25.), kTolerance);
+}
+
+} // namespace internal
+} // namespace ceres