leansdr::bitvect< T, N > Struct Template Reference

#include <discrmath.h>

Public Member Functions
	bitvect ()
	bitvect (T val)
template<int M>
bitvect< T, N > &	copy (const bitvect< T, M > &a)
bool	operator[] (unsigned int i) const
template<int M>
bitvect< T, N > &	operator+= (const bitvect< T, M > &a)
bitvect< T, N > &	operator<<= (unsigned int n)

Public Attributes
T	v [NW]

Static Public Attributes
static const size_t	WSIZE = sizeof(T) * 8
static const size_t	NW = (N + WSIZE - 1) / WSIZE

Private Member Functions
void	truncate_to_N ()

Detailed Description

template<typename T, int N>
struct leansdr::bitvect< T, N >

Definition at line 33 of file discrmath.h.

Constructor & Destructor Documentation

bitvect() [1/2]

template<typename T, int N>

leansdr::bitvect< T, N >::bitvect ( )

inline

Definition at line 39 of file discrmath.h.

{}

bitvect() [2/2]

template<typename T, int N>

leansdr::bitvect< T, N >::bitvect ( T  val )

inline

Definition at line 40 of file discrmath.h.

    {
        v[0] = val;
        for (int i = 1; i < NW; ++i)
            v[i] = 0;
    }

Member Function Documentation

copy()

template<typename T, int N>

template<int M>

bitvect<T, N>& leansdr::bitvect< T, N >::copy ( const bitvect< T, M > &  a )

inline

Definition at line 49 of file discrmath.h.

    {
        int nw = (a.NW < NW) ? a.NW : NW;
        for (int i = 0; i < nw; ++i)
            v[i] = a.v[i];
        if (M < N)
            for (int i = a.NW; i < NW; ++i)
                v[i] = 0;
        if (M > N)
            truncate_to_N();
        return *this;
    }

operator+=()

template<typename T, int N>

template<int M>

bitvect<T, N>& leansdr::bitvect< T, N >::operator+= ( const bitvect< T, M > &  a )

inline

Definition at line 70 of file discrmath.h.

    {
        int nw = (a.NW < NW) ? a.NW : NW;
        for (int i = 0; i < nw; ++i)
            v[i] ^= a.v[i];
        if (M > N)
            truncate_to_N();
        return *this;
    }

operator<<=()

template<typename T, int N>

bitvect<T, N>& leansdr::bitvect< T, N >::operator<<= ( unsigned int  n )

inline

Definition at line 82 of file discrmath.h.

    {
        if (n >= WSIZE)
            fail("shift exceeds word width");
        T mask = ~(((T)-1) << n);
        for (int i = NW - 1; i > 0; --i)
            v[i] = (v[i] << n) | ((v[i - 1] >> (WSIZE - n)) & mask);
        v[0] <<= n;
        if (N != NW * WSIZE)
            truncate_to_N();
        return *this;
    }

operator[]()

template<typename T, int N>

bool leansdr::bitvect< T, N >::operator[] ( unsigned int  i ) const

inline

Definition at line 62 of file discrmath.h.

    {
        return v[i / WSIZE] & ((T)1 << (i & (WSIZE - 1)));
    }

truncate_to_N()

template<typename T, int N>

void leansdr::bitvect< T, N >::truncate_to_N ( )

inlineprivate

Definition at line 97 of file discrmath.h.

Referenced by leansdr::bitvect< T, DP >::copy(), leansdr::bitvect< T, DP >::operator+=(), and leansdr::bitvect< T, DP >::operator<<=().

    {
        v[NW - 1] &= ((T)-1) >> (NW * WSIZE - N);
    }

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Member Data Documentation

NW

template<typename T, int N>

const size_t leansdr::bitvect< T, N >::NW = (N + WSIZE - 1) / WSIZE

static

Definition at line 36 of file discrmath.h.

Referenced by leansdr::bitvect< T, DP >::bitvect(), leansdr::bitvect< T, DP >::copy(), leansdr::operator+(), leansdr::bitvect< T, DP >::operator+=(), leansdr::operator==(), and leansdr::shiftdivmod().

v

template<typename T, int N>

T leansdr::bitvect< T, N >::v[NW]

Definition at line 37 of file discrmath.h.

Referenced by leansdr::bitvect< T, DP >::copy(), leansdr::crc8_engine::crc8_engine(), leansdr::divmod(), leansdr::bch_engine< T, N, NP, DP, TGF, GFTRUNCGEN >::encode(), leansdr::operator+(), leansdr::bitvect< T, DP >::operator+=(), leansdr::operator==(), and leansdr::shiftdivmod().

WSIZE

template<typename T, int N>

const size_t leansdr::bitvect< T, N >::WSIZE = sizeof(T) * 8

static

Definition at line 35 of file discrmath.h.

Referenced by leansdr::bitvect< T, DP >::operator[]().

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

• plugins/channelrx/demoddatv/leansdr/discrmath.h