C++ (Cpp) fmpz_mat_swap Beispiele

Beispiel #1

Datei: mul.c Projekt: hemmecke/flint2

void
fmpz_mat_mul(fmpz_mat_t C, const fmpz_mat_t A, const fmpz_mat_t B)
{
    long dim, m, n, k, ab, bb;

    m = A->r;
    n = A->c;
    k = B->c;

    if (C == A || C == B)
    {
        fmpz_mat_t t;
        fmpz_mat_init(t, m, k);
        fmpz_mat_mul(t, A, B);
        fmpz_mat_swap(C, t);
        fmpz_mat_clear(t);
        return;
    }

    dim = FLINT_MIN(FLINT_MIN(m, n), k);

    if (dim < 10)
    {
        fmpz_mat_mul_classical(C, A, B);
        return;
    }

    ab = fmpz_mat_max_bits(A);
    bb = fmpz_mat_max_bits(B);

    ab = FLINT_ABS(ab);
    bb = FLINT_ABS(bb);

    if (5*(ab + bb) > dim * dim)
    {
        fmpz_mat_mul_classical(C, A, B);
    }
    else
    {
        _fmpz_mat_mul_multi_mod(C, A, B, ab + bb + FLINT_BIT_COUNT(n) + 1);
    }
}

Beispiel #2

Datei: dmat-zz-flint.hpp Projekt: BertiniM2/M2

 // swap the actual matrices of 'this' and 'M'.
 void swap(DMat<ACoeffRing>& M)
 {
   std::swap(mRing, M.mRing);
   fmpz_mat_swap(mArray, M.mArray);
 }