Searched refs:directional_derivative (Results 1 - 3 of 3) sorted by relevance

/external/ceres-solver/internal/ceres/
H A Dline_search_minimizer.h55 directional_derivative(0.0),
64 double directional_derivative; member in struct:ceres::internal::LineSearchMinimizer::State
H A Dline_search_minimizer.cc282 current_state.directional_derivative =
295 current_state.directional_derivative);
302 "negative: %.5e, directional_derivative: %.5e, "
304 initial_step_size, current_state.directional_derivative,
313 current_state.directional_derivative,
322 current_state.directional_derivative);
H A Dline_search_direction.cc83 const double directional_derivative = local
85 if (directional_derivative > -function_tolerance_) {
87 << directional_derivative;

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