// Ceres Solver - A fast non-linear least squares minimizer
// Copyright 2015 Google Inc. All rights reserved.
// http://ceres-solver.org/
//
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// modification, are permitted provided that the following conditions are met:
//
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// Author: sameeragarwal@google.com (Sameer Agarwal)

#include "ceres/block_structure.h"

namespace ceres {
namespace internal {

bool CellLessThan(const Cell& lhs, const Cell& rhs) {
  if (lhs.block_id == rhs.block_id) {
    return (lhs.position  < rhs.position);
  }
  return (lhs.block_id < rhs.block_id);
}

}  // namespace internal
}  // namespace ceres
