template<typename T , typename S >

void bitcpy	(	T *	target,
		size_t	ntarget,
		const S *	source,
		size_t	nsource,
		size_t	ss = 0,
		size_t	ts = 0
	)

Definition at line 87 of file ByteOrder.h.

References t.

Referenced by FTM::DimStaticData::DimStaticData().

{
    const size_t targetsize = ts==0 ? sizeof(T)*8 : std::min(ts, sizeof(T)*8);
    const size_t sourcesize = ss==0 ? sizeof(S)*8 : std::min(ss, sizeof(S)*8);

    const S *const ends = source + nsource;
    const T *const endt = target + ntarget;

    const S *s = source;
    T *t = target;

    memset(t, 0, sizeof(T)*ntarget);

    size_t targetpos = 0;
    size_t sourcepos = 0;

    while (s<ends && t<endt)
    {
        // Start filling with "source size" - "position" bits
        *t |= (*s>>sourcepos)<<targetpos;

        // Calculate how many bits were siuccessfully copied
        const int ncopy = std::min(sourcesize-sourcepos, targetsize-targetpos);

        targetpos += ncopy;
        sourcepos += ncopy;

        if (sourcepos>=sourcesize)
        {
            sourcepos %= sourcesize;
            s++;
        }

        if (targetpos>=targetsize)
        {
            targetpos %= targetsize;
            t++;
        }

    }
}

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