H3Error H3_EXPORT()

in h3_vertex.c [320:345]

• 20 lines of code
• 3 McCabe index (conditional complexity)

H3Error H3_EXPORT(vertexToLatLng)(H3Index vertex, LatLng *coord) {
    // Get the vertex number and owner from the vertex
    int vertexNum = H3_GET_RESERVED_BITS(vertex);
    H3Index owner = vertex;
    H3_SET_MODE(owner, H3_CELL_MODE);
    H3_SET_RESERVED_BITS(owner, 0);

    // Get the single vertex from the boundary
    CellBoundary gb;
    FaceIJK fijk;
    H3Error fijkError = _h3ToFaceIjk(owner, &fijk);
    if (fijkError) {
        return fijkError;
    }
    int res = H3_GET_RESOLUTION(owner);

    if (H3_EXPORT(isPentagon)(owner)) {
        _faceIjkPentToCellBoundary(&fijk, res, vertexNum, 1, &gb);
    } else {
        _faceIjkToCellBoundary(&fijk, res, vertexNum, 1, &gb);
    }

    // Copy from boundary to output coord
    *coord = gb.verts[0];
    return E_SUCCESS;
}