def laplacian_sketch_cosine_similarity(X, ell, k, normed=True):
    return laplacian_sketch(X, ell, k, True, normed, one_row_cosine_similarity)
def laplacian_sketch_cosine_similarity(X, ell, k, normed=True):
    return laplacian_sketch(X, ell, k, True, normed, one_row_cosine_similarity)