Eigen::NumTraits< stan::math::fvar< T > > Struct Template Reference

Numerical traits template override for Eigen for automatic gradient variables. More...

#include <Eigen_NumTraits.hpp>

Inheritance diagram for Eigen::NumTraits< stan::math::fvar< T > >:

Public Types
enum	{ RequireInitialization = 1, ReadCost = 2 * NumTraits<double>::ReadCost, AddCost = 2 * NumTraits<T>::AddCost, MulCost = 3 * NumTraits<T>::MulCost + NumTraits<T>::AddCost }

Static Public Member Functions
static int	digits10 ()
	Return the number of decimal digits that can be represented without change. More...

Detailed Description

template<typename T>
struct Eigen::NumTraits< stan::math::fvar< T > >

Numerical traits template override for Eigen for automatic gradient variables.

Definition at line 16 of file Eigen_NumTraits.hpp.

Member Enumeration Documentation

anonymous enum

template<typename T >

anonymous enum

Enumerator
RequireInitialization	stan::math::fvar requires initialization
ReadCost	twice the cost to copy a double
AddCost	2 * AddCost (a + b) = a + b (a + b)' = a' + b'
MulCost	3 * MulCost + AddCost (a * b) = a * b (a * b)' = a' * b + a * b'

Definition at line 19 of file Eigen_NumTraits.hpp.

Member Function Documentation

digits10()

template<typename T >

static int Eigen::NumTraits< stan::math::fvar< T > >::digits10 ( )

inlinestatic

Return the number of decimal digits that can be represented without change.

Delegates to std::numeric_limits<double>::digits10().

Definition at line 54 of file Eigen_NumTraits.hpp.

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The documentation for this struct was generated from the following file:

• stan/math/fwd/mat/fun/Eigen_NumTraits.hpp