GSlice_iter< T > Class Template Reference

#include <lib-array.h>

Inheritance diagram for GSlice_iter< T >:

Collaboration diagram for GSlice_iter< T >:

Public Member Functions
	GSlice_iter (valarray< T > *vv, gslice gss)
GSlice_iter	end () const
GSlice_iter &	operator++ ()
GSlice_iter	operator++ (int)
T &	operator[] (size_t i)
T &	operator() (size_t i)
T &	operator* ()

Private Member Functions
T &	ref (size_t i) const

Private Attributes
valarray< T > *	v
gslice	gs
size_t	curr
valarray< size_t >	gsizes

Friends
bool	operator== (const GSlice_iter &p, const GSlice_iter &q)
bool	operator!= (const GSlice_iter &p, const GSlice_iter &q)
bool	operator< (const GSlice_iter &p, const GSlice_iter &q)

Detailed Description

template<class T>
class GSlice_iter< T >

Definition at line 65 of file lib-array.h.

Constructor & Destructor Documentation

GSlice_iter()

template<class T >

GSlice_iter< T >::GSlice_iter	(	valarray< T > *	vv,
		gslice	gss
	)

Definition at line 125 of file lib-array.h.

References GSlice_iter< T >::gsizes.

                                                      :
        v(vv), gs(gss), curr(0), gsizes(gs.size()){
    for (size_t ic(1); ic < gsizes.size(); ++ic) {
        gsizes[gss.size().size()-ic-1] *= gsizes[gss.size().size()-ic];
    }
}

Member Function Documentation

end()

template<class T>

GSlice_iter GSlice_iter< T >::end ( ) const

inline

Definition at line 89 of file lib-array.h.

References GSlice_iter< T >::curr.

                            {
        GSlice_iter t = *this;
        t.curr = gsizes[0];
        return t;
    }

operator()()

template<class T>

T& GSlice_iter< T >::operator() ( size_t  i )

inline

Definition at line 99 of file lib-array.h.

{return ref(i);}  // Fortran style subscript

operator*()

template<class T>

T& GSlice_iter< T >::operator* ( )

inline

Definition at line 100 of file lib-array.h.

{return ref(curr);}        // Current element

operator++() [1/2]

template<class T>

GSlice_iter& GSlice_iter< T >::operator++ ( )

inline

Definition at line 95 of file lib-array.h.

{++curr; return *this;} //prefix

operator++() [2/2]

template<class T>

GSlice_iter GSlice_iter< T >::operator++ ( int  )

inline

Definition at line 96 of file lib-array.h.

{GSlice_iter t = *this; ++curr; return t;} //postfix

operator[]()

template<class T>

T& GSlice_iter< T >::operator[] ( size_t  i )

inline

Definition at line 98 of file lib-array.h.

{return ref(i);}  // C style subscript

ref()

template<class T >

T & GSlice_iter< T >::ref ( size_t  i ) const

private

Definition at line 111 of file lib-array.h.

Referenced by CGSlice_iter< T >::operator()(), CGSlice_iter< T >::operator*(), and CGSlice_iter< T >::operator[]().

                                     {
    size_t loc(0);
    for (size_t ic = 0; ic < gsizes.size()-1; ++ic){
        loc += (i/gsizes[ic+1]) * gs.stride()[ic];
        i %= gsizes[ic+1];
    }
    loc += i * gs.stride()[gsizes.size()-1];
    return (*v)[gs.start()+loc];
}

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Friends And Related Function Documentation

operator!=

template<class T>

bool operator!= ( const GSlice_iter< T > &  p, const GSlice_iter< T > &  q  )

friend

Definition at line 146 of file lib-array.h.

                                                                 {
    return !(p==q);
}

operator<

template<class T>

bool operator< ( const GSlice_iter< T > &  p, const GSlice_iter< T > &  q  )

friend

Definition at line 151 of file lib-array.h.

                                                                 {
    size_t count(0);
    if (p.curr<q.curr && p.gs.start() == q.gs.start())
        while (  (p.gs.stride()[count] == p.gs.stride()[count])
                 && (p.gs.size()[count]   == p.gs.size()[count]  ))
            if (count++ == q.gs.size().size()-1) return true;
    return false;
}

operator==

template<class T>

bool operator== ( const GSlice_iter< T > &  p, const GSlice_iter< T > &  q  )

friend

Definition at line 136 of file lib-array.h.

                                                                 {
    size_t count(0);
    if (p.curr==q.curr && p.gs.start() == q.gs.start())
        while (  (p.gs.stride()[count] == p.gs.stride()[count])
                 && (p.gs.size()[count]   == p.gs.size()[count]  ))
            if (count++ == q.gs.size().size()-1) return true;
    return false;
}

Field Documentation

curr

template<class T>

size_t GSlice_iter< T >::curr

private

Definition at line 80 of file lib-array.h.

Referenced by GSlice_iter< T >::end(), CGSlice_iter< T >::operator++(), and operator==().

gs

template<class T>

gslice GSlice_iter< T >::gs

private

Definition at line 79 of file lib-array.h.

Referenced by operator==(), and CGSlice_iter< T >::ref().

gsizes

template<class T>

valarray<size_t> GSlice_iter< T >::gsizes

private

Definition at line 81 of file lib-array.h.

Referenced by GSlice_iter< T >::GSlice_iter(), and CGSlice_iter< T >::ref().

v

template<class T>

valarray<T>* GSlice_iter< T >::v

private

Definition at line 78 of file lib-array.h.

Referenced by CGSlice_iter< T >::ref().

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

• /Users/archis/Dropbox/work/dev/oshun/oshun-OS/OSHUN/1d_cpp/source/lib-array.h