21 lines
605 B
C++
21 lines
605 B
C++
#ifndef LM_INTERPOLATE_TUNE_DERIVATIVES_H
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#define LM_INTERPOLATE_TUNE_DERIVATIVES_H
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#include "lm/interpolate/tune_matrix.hh"
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#include <Eigen/Core>
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#include <cmath>
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namespace lm { namespace interpolate {
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class Instances;
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// Given tuning instances and model weights, computes the objective function (log probability), gradient, and Hessian.
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// Returns log probability / number of instances.
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Accum Derivatives(Instances &instances /* Doesn't modify but ReadExtensions is lazy */, const Vector &weights, Vector &gradient, Matrix &hessian);
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}} // namespaces
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#endif // LM_INTERPOLATE_TUNE_DERIVATIVES_H
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