public static void WriteMpiMatrix(string fileName, string[,] matrix)
{
using (var writer = new BinaryWriter(File.Open(fileName, FileMode.Create)))
{
byte[] bytes = { (byte)'M', (byte)'P', (byte)'I', (byte)'M' };
var header = new MpiMatrixHeader
{
fourCC = BitConverter.ToUInt32(bytes, 0),
dataType = (uint)MPI_Datatype.MPI_DOUBLE,
height = (uint)matrix.GetLength(0),
width = (uint)matrix.GetLength(1),
offset = (uint)Marshal.SizeOf(typeof(MpiMatrixHeader))
};
int size = Marshal.SizeOf(typeof(MpiMatrixHeader));
IntPtr ptr = Marshal.AllocHGlobal(size);
// Copy the struct to unmanaged memory.
Marshal.StructureToPtr(header, ptr, true);
var arr = new byte[size];
Marshal.Copy(ptr, arr, 0, size);
Marshal.FreeHGlobal(ptr);
writer.Write(arr);
var provider = new NumberFormatInfo();
provider.NumberDecimalSeparator = ".";
for (int i = 0; i < matrix.GetLength(0); i++)
{
for (int j = 0; j < matrix.GetLength(1); j++)
{
double value = Convert.ToDouble(matrix[i, j], provider);
writer.Write(value);
}
}
writer.Close();
}
}
public static void WriteMpiMatrix(string fileName, string[,] matrix)
{
using (var writer = new BinaryWriter(File.Open(fileName, FileMode.Create)))
{
byte[] bytes = {(byte) 'M', (byte) 'P', (byte) 'I', (byte) 'M'};
var header = new MpiMatrixHeader
{
fourCC = BitConverter.ToUInt32(bytes, 0),
dataType = (uint) MPI_Datatype.MPI_DOUBLE,
height = (uint) matrix.GetLength(0),
width = (uint) matrix.GetLength(1),
offset = (uint) Marshal.SizeOf(typeof (MpiMatrixHeader))
};
int size = Marshal.SizeOf(typeof (MpiMatrixHeader));
IntPtr ptr = Marshal.AllocHGlobal(size);
// Copy the struct to unmanaged memory.
Marshal.StructureToPtr(header, ptr, true);
var arr = new byte[size];
Marshal.Copy(ptr, arr, 0, size);
Marshal.FreeHGlobal(ptr);
writer.Write(arr);
var provider = new NumberFormatInfo();
provider.NumberDecimalSeparator = ".";
for (int i = 0; i < matrix.GetLength(0); i++)
for (int j = 0; j < matrix.GetLength(1); j++)
{
double value = Convert.ToDouble(matrix[i, j], provider);
writer.Write(value);
}
writer.Close();
}
}
