internal static extern void lmmin(
int n_par, IntPtr par, int m_dat, IntPtr data, LMDelegate evaluate,
ref LMControlStruct control, ref LMStatusStruct status,
AllocatorDelegate arrayAllocator, DeallocatorDelegate arrayDeallocator);
/// <summary>
/// Initializes a new instance of the <see cref="OwnedStdString"/> class.
/// Construct a wrapper around std::string.
/// </summary>
/// <remarks>
/// Violating any of these might cause an undefined hehaviour.
/// 1. This function takes the ownership of the address.
/// 2. A memory pointed by address argument is assumed to be allocated by Marshal.AllocHGlobal thus will try to call Marshal.FreeHGlobal on the address.
/// 3. std::string object pointed by address must be initialized before calling this function.
/// </remarks>
/// <param name="address">The address of the owned std string.</param>
/// <param name="dealloc">A deallocator function.</param>
internal OwnedStdString(IntPtr address, DeallocatorDelegate dealloc)
{
this.Address = address;
this.dealloc = dealloc;
}
