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Sacado::Fad::Exp::StaticFixedStorage< T, Num > Class Template Reference

Derivative array storage class using static, fixed memory allocation. More...

#include <Sacado_Fad_Exp_StaticFixedStorage.hpp>

Inheritance diagram for Sacado::Fad::Exp::StaticFixedStorage< T, Num >:

Classes

struct  apply
 Turn StaticFixedStorage into a meta-function class usable with mpl::apply. More...
struct  apply_N
 Replace static derivative length. More...

Public Types

typedef std::remove_cv< T >::type value_type

Public Member Functions

SACADO_DEFAULTED_FUNCTION StaticFixedStorage ()=default
 Default constructor.
SACADO_INLINE_FUNCTION StaticFixedStorage (const T &x)
 Constructor with value.
SACADO_INLINE_FUNCTION StaticFixedStorage (const int sz, const T &x, const DerivInit zero_out=InitDerivArray)
 Constructor with size sz.
SACADO_INLINE_FUNCTION StaticFixedStorage (const int sz, const int i, const value_type &x)
 Constructor with size sz, index i, and value x.
SACADO_INLINE_FUNCTION StaticFixedStorage (const StaticFixedStorage &x)
 Copy constructor.
SACADO_INLINE_FUNCTION StaticFixedStorage (StaticFixedStorage &&x)
 Move constructor.
SACADO_DEFAULTED_FUNCTION ~StaticFixedStorage ()=default
 Destructor.
SACADO_INLINE_FUNCTION StaticFixedStorageoperator= (const StaticFixedStorage &x)
 Assignment.
SACADO_INLINE_FUNCTION StaticFixedStorageoperator= (StaticFixedStorage &&x)
 Move assignment.
SACADO_INLINE_FUNCTION constexpr int size () const
 Returns number of derivative components.
SACADO_INLINE_FUNCTION constexpr int length () const
 Returns array length.
SACADO_INLINE_FUNCTION void resize (int sz)
 Resize the derivative array to sz.
SACADO_INLINE_FUNCTION void resizeAndZero (int sz)
 Resize the derivative array to sz.
SACADO_INLINE_FUNCTION void expand (int sz)
 Expand derivative array to size sz.
SACADO_INLINE_FUNCTION void zero ()
 Zero out derivative array.
SACADO_INLINE_FUNCTION const T & val () const
 Returns value.
SACADO_INLINE_FUNCTION T & val ()
 Returns value.
SACADO_INLINE_FUNCTION const T * dx () const
 Returns derivative array.
SACADO_INLINE_FUNCTION T dx (int i) const
 Returns derivative component i with bounds checking.
SACADO_INLINE_FUNCTION T & fastAccessDx (int i)
 Returns derivative component i without bounds checking.
SACADO_INLINE_FUNCTION const T & fastAccessDx (int i) const
 Returns derivative component i without bounds checking.

Static Public Attributes

static constexpr bool is_statically_sized = true
static constexpr int static_size = Num
static constexpr bool is_view = false

Protected Attributes

val_
 Value.
dx_ [Num]
 Derivative array.

Detailed Description

template<typename T, int Num>
class Sacado::Fad::Exp::StaticFixedStorage< T, Num >

Derivative array storage class using static, fixed memory allocation.

This class uses a statically allocated array whose dimension is fixed by the template parameter Num. The dimension cannot be resized.

Constructor & Destructor Documentation

◆ StaticFixedStorage() [1/3]

template<typename T, int Num>
SACADO_INLINE_FUNCTION Sacado::Fad::Exp::StaticFixedStorage< T, Num >::StaticFixedStorage ( const int sz,
const T & x,
const DerivInit zero_out = InitDerivArray )
inline

Constructor with size sz.

Initializes derivative array 0 of length sz

◆ StaticFixedStorage() [2/3]

template<typename T, int Num>
SACADO_INLINE_FUNCTION Sacado::Fad::Exp::StaticFixedStorage< T, Num >::StaticFixedStorage ( const int sz,
const int i,
const value_type & x )
inline

Constructor with size sz, index i, and value x.

Initializes value to x and derivative array of length sz as row i of the identity matrix, i.e., sets derivative component i to 1 and all other's to zero.

◆ StaticFixedStorage() [3/3]

template<typename T, int Num>
SACADO_INLINE_FUNCTION Sacado::Fad::Exp::StaticFixedStorage< T, Num >::StaticFixedStorage ( const StaticFixedStorage< T, Num > & x)
inline

Copy constructor.

Can't make this " = default" because of scalar types that don't define a const copy consturctor (like Rad). We also can't leave it and let it be implicitly generated because of SACADO_INLINE_FUNCTION.

Member Function Documentation

◆ operator=()

template<typename T, int Num>
SACADO_INLINE_FUNCTION StaticFixedStorage & Sacado::Fad::Exp::StaticFixedStorage< T, Num >::operator= ( const StaticFixedStorage< T, Num > & x)
inline

Assignment.

Can't make this " = default" because of scalar types that don't define a const operator= (like Rad). We also can't leave it and let it be implicitly generated because of SACADO_INLINE_FUNCTION.


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