message: Trying to get merge_integrator to build with clang.
diff: @@ -167,9 +167,9 @@ class MergeIntegrator {
  // interpolate voxel
  if (interpolator.getVoxel(voxel_center, &voxel, true)) {
  block->has_data() = true;
  - }
  +
  // if interpolated value fails use nearest
  - else if(interpolator.getVoxel(voxel_center, &voxel, false)){
  + } else if (interpolator.getVoxel(voxel_center, &voxel, false)) {
  block->has_data() = true;
  }
  }
  @@ -181,9 +181,12 @@ class MergeIntegrator {
  }
  private:
  - static constexpr FloatingPoint kUnitCubeDiagonalLength = std::sqrt(3.0);
  + static constexpr FloatingPoint kUnitCubeDiagonalLength;
  };
  +constexpr FloatingPoint MergeIntegrator::kUnitCubeDiagonalLength =
  + std::sqrt(3.0);
  +
  template <>
  void MergeIntegrator::mergeVoxelAIntoVoxelB(const TsdfVoxel& voxel_A,
  TsdfVoxel* voxel_B) {
  