/// <summary>
/// Creates a new array of limbs initialized with <paramref name="values"/> in unmanaged memory.
/// </summary>
/// <param name="values">The values of the limbs.</param>
/// <remarks>
/// <para>
/// If there is not enough 16-bit words to fill out the most significant limb, it is padded with zeroes.
/// </para>
/// <para>
/// When done with the array, you must release the unmanaged memory by calling <see cref="gmp_lib.free(mp_ptr[])">free</see>.
/// </para>
/// </remarks>
public mp_ptr(ushort[] values)
{
if (values == null)
{
throw new ArgumentNullException("values");
}
mp = new mp_base();
mp._size = (2 * values.Length + IntPtr.Size - 1) / IntPtr.Size;
mp.Pointer = gmp_lib.allocate((size_t)(mp._size * IntPtr.Size)).ToIntPtr();
Marshal.Copy(new Int32[] { 0, 0 }, 0, (IntPtr)(mp.Pointer.ToInt64() + IntPtr.Size * (mp._size - 1)), IntPtr.Size >> 2);
Marshal.Copy((short[])(object)values, 0, mp.Pointer, values.Length);
}
/// <summary>
/// Creates a new array of limbs initialized with <paramref name="values"/> in unmanaged memory.
/// </summary>
/// <param name="values">The values of the limbs.</param>
/// <remarks>
/// <para>
/// If there is not enough bytes to fill out the most significant limb, it is padded with zeroes.
/// </para>
/// <para>
/// When done with the array, you must release the unmanaged memory by calling <see cref="gmp_lib.free(mp_ptr[])">free</see>.
/// </para>
/// </remarks>
public mp_ptr(byte[] values)
{
if (values == null)
{
throw new ArgumentNullException("values");
}
mp = new mp_base();
if (values.GetLength(0) == 0)
{
mp._size = 0;
mp.Pointer = IntPtr.Zero;
}
else
{
mp._size = (values.Length + IntPtr.Size - 1) / IntPtr.Size;
mp.Pointer = gmp_lib.allocate((size_t)(mp._size * IntPtr.Size)).ToIntPtr();
Marshal.Copy(new Int32[] { 0, 0 }, 0, (IntPtr)(mp.Pointer.ToInt64() + IntPtr.Size * (mp._size - 1)), IntPtr.Size >> 2);
Marshal.Copy(values, 0, mp.Pointer, values.Length);
}
}
/// <summary>
/// Creates new pointer to array of limbs at <paramref name="mp"/>.
/// </summary>
/// <param name="mp">Represents an array of limbs.</param>
public mp_ptr(mp_base mp)
{
this.mp = mp;
}
