Update ceres to the latest version in google3.

Change-Id: I0165fffa55f60714f23e0096eac89fa68df75a05

1 files changed, 60 insertions, 0 deletions

diff --git a/internal/ceres/evaluator_test_utils.h b/internal/ceres/evaluator_test_utils.h
new file mode 100644
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+++ b/internal/ceres/evaluator_test_utils.h
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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: keir@google.com (Keir Mierle)
+//         sameeragarwal@google.com (Sameer Agarwal)
+//
+// Test utils used for evaluation testing.
+
+namespace ceres {
+namespace internal {
+
+// Fixed sized struct for storing an evaluation.
+struct ExpectedEvaluation {
+  int num_rows;
+  int num_cols;
+  double cost;
+  const double residuals[50];
+  const double gradient[50];
+  const double jacobian[200];
+};
+
+// Compare two evaluations.
+void CompareEvaluations(int expected_num_rows,
+                        int expected_num_cols,
+                        double expected_cost,
+                        const double* expected_residuals,
+                        const double* expected_gradient,
+                        const double* expected_jacobian,
+                        const double actual_cost,
+                        const double* actual_residuals,
+                        const double* actual_gradient,
+                        const double* actual_jacobian);
+
+}  // namespace internal
+}  // namespace ceres