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Searched refs:companion_matrix_offdiagonal (Results 1 – 1 of 1) sorted by relevance

/external/ceres-solver/internal/ceres/
Dpolynomial.cc54 Matrix companion_matrix_offdiagonal = companion_matrix; in BalanceCompanionMatrix() local
55 companion_matrix_offdiagonal.diagonal().setZero(); in BalanceCompanionMatrix()
72 const double row_norm = companion_matrix_offdiagonal.row(i).lpNorm<1>(); in BalanceCompanionMatrix()
73 const double col_norm = companion_matrix_offdiagonal.col(i).lpNorm<1>(); in BalanceCompanionMatrix()
90 companion_matrix_offdiagonal.row(i) *= std::ldexp(1.0, -exponent); in BalanceCompanionMatrix()
91 companion_matrix_offdiagonal.col(i) *= std::ldexp(1.0, exponent); in BalanceCompanionMatrix()
97 companion_matrix_offdiagonal.diagonal() = companion_matrix.diagonal(); in BalanceCompanionMatrix()
98 companion_matrix = companion_matrix_offdiagonal; in BalanceCompanionMatrix()