internal/ceres/evaluator_test_utils.h

// Ceres Solver - A fast non-linear least squares minimizer
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// http://ceres-solver.org/
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// 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