/// <summary>
/// 写方法。Version 1.
/// </summary>
public override IMatrix Read(MatrixHeader header)
{
SkipHeader();
int row = header.RowCount;
int col = header.ColCount;
SparseMatrix matr = new SparseMatrix(row, col);
int itemCount = header.ContentCount;
for (int i = 0; i < itemCount; i++)
{
//各个节点位置无关，可以考虑并行存取，但是由于内存共享，还得序列化读取。
int Row = BinaryReader.ReadInt32();
int Col = BinaryReader.ReadInt32();
double Value = BinaryReader.ReadDouble();
matr.Add(Row, Col, Value);
}
Char end = this.BinaryReader.ReadChar();
if (end != BinarySpliter.EndOfContent)
{
throw new Exception("末尾数字匹配上啊！！！");
}
return(matr);
}
/// <summary>
/// 写方法。Version 1.
/// </summary>
public override IMatrix Read(MatrixHeader header)
{
SkipHeader();
int row = header.RowCount;
int col = header.ColCount;
Geo.Algorithm.ArrayMatrix matrix = new Geo.Algorithm.ArrayMatrix(row, col);
for (int i = 0; i < row; i++)
{
for (int j = 0; j < col; j++)
{
if (header.MatrixType == MatrixType.FloatWing && i != j)
{
matrix[i, j] = BinaryReader.ReadSingle();
}
else
{
matrix[i, j] = BinaryReader.ReadDouble();
}
}
}
Char end = this.BinaryReader.ReadChar();
if (end != BinarySpliter.EndOfContent)
{
throw new Exception("末尾数字匹配上啊！！！");
}
return(matrix);
}
public override void Write(IMatrix matrix)
{
MatrixHeader header = MatrixHeader.GetDefaultHeader(matrix);
WriteHeader(header);
WriteMatrix(matrix);
}
private BaseBinaryMatrixReader InitWriter(MatrixHeader option)
{
BaseBinaryMatrixReader matrixReader = this.matrixReader;
switch (option.MatrixType)
{
case MatrixType.Array:
matrixReader = new BinaryArrayMatrixReader(Stream);
break;
case MatrixType.Vector:
break;
case MatrixType.Sparse:
matrixReader = new BinaryArrayMatrixReader(Stream);
break;
case MatrixType.Float:
break;
case MatrixType.FloatWing:
break;
case MatrixType.Diagonal:
matrixReader = new BinaryArrayMatrixReader(Stream);
break;
case MatrixType.Symmetric:
matrixReader = new BinaryArrayMatrixReader(Stream);
break;
case MatrixType.VectorMatrix:
break;
case MatrixType.ZeroMatrix:
break;
case MatrixType.ConstMatrix:
break;
case MatrixType.ResizeableMatrix:
break;
case MatrixType.Unknow:
default:
matrixReader = new BinaryArrayMatrixReader(Stream);
break;
}
return(matrixReader);
}
public static MatrixHeader GetDefaultHeader(IMatrix matrix)
{
MatrixHeader header = new MatrixHeader(matrix.MatrixType, matrix.Name)
{
CreationTime = DateTime.Now,
Creator = "Gnsser",
Version = 1,
ContentCount = matrix.ItemCount,
RowCount = matrix.RowCount,
ColCount = matrix.ColCount,
ColNames = matrix.ColNames,
RowNames = matrix.RowNames,
};
return(header);
}
/// <summary>
/// 写方法。Version 1.
/// 内容区：
/// 第1个数为byte，表示矩阵文件的版本，对应数字 1-255
/// 第2个数为byte，表示矩阵的类型，对应C#的枚举类型
/// 第3、4个数为int32，分别表示 矩阵的行和列。
/// 第5个开始为浮点数（双精度、单精度或整型）记录
/// </summary>
/// <param name="matrix">待写成文件的矩阵。</param>
public override void Write(IMatrix matrix)
{
MatrixHeader header;
if (this.IsFloatWingCompress)
{
header = MatrixHeader.GetDefaultHeader(matrix);
header.MatrixType = MatrixType.FloatWing;
}
else
{
header = MatrixHeader.GetDefaultHeader(matrix);
}
WriteHeader(header);
WriteMatrix(matrix);
}
/// <summary>
/// 写方法。Version 1.
/// 内容区：
/// 第1个数为byte，表示矩阵文件的版本，对应数字 1-255
/// 第2个数为byte，表示矩阵的类型，对应C#的枚举类型
/// 第3、4个数为int32，分别表示 矩阵的行和列。
/// 第5个开始为浮点数（双精度、单精度或整型）记录
/// </summary>
public override IMatrix Read(MatrixHeader header)
{
SkipHeader();
int row = header.RowCount;
int col = header.ColCount;
double [] vector = new double[row];
for (int i = 0; i < row; i++)
{
vector[i] = BinaryReader.ReadDouble();
}
Char end = this.BinaryReader.ReadChar();
if (end != BinarySpliter.EndOfContent)
{
throw new Exception("末尾数字匹配上啊！！！");
}
DiagonalMatrix dm = new DiagonalMatrix(vector);
return(dm);
}
protected virtual void WriteHeader(MatrixHeader header)
{
BinaryMatrixHeaderWriter HeaderWriter = new BinaryMatrixHeaderWriter(this.Stream);
HeaderWriter.Write(header);
}
public override IMatrix Read(MatrixHeader option)
{
this.matrixReader = InitWriter(option);
return(matrixReader.Read(option));
}
