コード例 #1
0
        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();
            }
        }
コード例 #2
0
ファイル: MpiEditorForm.cs プロジェクト: D3Nd3R/CudaMatrix
        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();
            }
        }