_mag32DivMod

private fn

void _mag32DivMod(in  ubyte[32]  num,  in  ubyte[32]  den,
       out  ubyte[32]  q,  out  ubyte[32]  r)

@safe pure nothrow @nogc

Full 32-byte division with remainder (bit-by-bit long division, MSB first). The divisor must be nonzero.