49 FunctionSample ValueSample(const double x, const double value) {  in ValueSample()
50   FunctionSample sample;  in ValueSample()
57 FunctionSample ValueAndGradientSample(const double x,  in ValueAndGradientSample()
60   FunctionSample sample;  in ValueAndGradientSample()
72 std::ostream& operator<<(std::ostream &os, const FunctionSample& sample);
75 std::ostream& operator<<(std::ostream &os, const FunctionSample& sample) {  in operator <<()
152     const FunctionSample& lowerbound,  in InterpolatingPolynomialMinimizingStepSize()
153     const FunctionSample& previous,  in InterpolatingPolynomialMinimizingStepSize()
154     const FunctionSample& current,  in InterpolatingPolynomialMinimizingStepSize()
185   vector<FunctionSample> samples;  in InterpolatingPolynomialMinimizingStepSize()
235   const FunctionSample initial_position =  in Search()
238   FunctionSample previous = ValueAndGradientSample(0.0, 0.0, 0.0);  in Search()
241   FunctionSample current = ValueAndGradientSample(step_size_estimate, 0.0, 0.0);  in Search()
339   const FunctionSample initial_position =  in Search()
346   FunctionSample solution, bracket_low, bracket_high;  in Search()
454     const FunctionSample& initial_position,  in BracketingPhase()
456     FunctionSample* bracket_low,  in BracketingPhase()
457     FunctionSample* bracket_high,  in BracketingPhase()
462   FunctionSample previous = initial_position;  in BracketingPhase()
463   FunctionSample current = ValueAndGradientSample(step_size_estimate, 0.0, 0.0);  in BracketingPhase()
594     const FunctionSample unused_previous;  in BracketingPhase()
641 bool WolfeLineSearch::ZoomPhase(const FunctionSample& initial_position,  in ZoomPhase()
642                                 FunctionSample bracket_low,  in ZoomPhase()
643                                 FunctionSample bracket_high,  in ZoomPhase()
644                                 FunctionSample* solution,  in ZoomPhase()
734     const FunctionSample& lower_bound_step =  in ZoomPhase()
736     const FunctionSample& upper_bound_step =  in ZoomPhase()
742     const FunctionSample unused_previous;  in ZoomPhase()