LinAlg::Matrix<Type> LinAlg::Matrix<Type>::operator ()(unsigned* row_interval, unsigned* column_interval)const
{
LinAlg::Matrix<Type> Ret;
if(row_interval[0] < row_interval[1]){
if(column_interval[0] < column_interval[1]){
Ret.Init(row_interval[1] - row_interval[0] + 1, column_interval[1] - column_interval[0] + 1);
for(unsigned i = row_interval[0]; i <= row_interval[1]; ++i)
for(unsigned j = column_interval[0]; j <= column_interval[1]; ++j)
Ret.mat[i - row_interval[0]][j - column_interval[0]] = this->mat[i-1][j-1];
}else{
Ret.Init(row_interval[1] - row_interval[0] + 1, column_interval[0] - column_interval[1] + 1);
for(unsigned i = row_interval[0]; i <= row_interval[1]; ++i)
for(unsigned j = column_interval[0]; j >= column_interval[1]; --j)
Ret.mat[i - row_interval[0]][column_interval[0] - j] = this->mat[i-1][j - 1];
}
} else{
if(column_interval[0] < column_interval[1]){
Ret.Init(row_interval[0] - row_interval[1] + 1, column_interval[1] - column_interval[0] + 1);
for(unsigned i = row_interval[0]; i >= row_interval[1]; --i)
for(unsigned j = column_interval[0]; j <= column_interval[1]; ++j)
Ret.mat[row_interval[0] - i][j - column_interval[0]] = this->mat[i-1][j-1];
}else{
Ret.Init(row_interval[0] - row_interval[1] + 1, column_interval[0] - column_interval[1] + 1);
for(unsigned i = row_interval[0]; i >= row_interval[1]; --i)
for(unsigned j = column_interval[0]; j >= column_interval[1]; --j)
Ret.mat[row_interval[0] - i][column_interval[0] - j] = this->mat[i-1][j - 1];
}
}
return Ret;
}
LinAlg::Matrix<Type> LinAlg::Matrix<Type>::operator ()(unsigned* row_interval, unsigned column)const
{
LinAlg::Matrix<Type> Ret;
if(row_interval[0] < row_interval[1]){
Ret.Init(row_interval[1] - row_interval[0] + 1, 1);
for(unsigned i = row_interval[0]; i <= row_interval[1]; ++i)
Ret.mat[i - row_interval[0]][0] = this->mat[i - 1][column - 1];
} else{
unsigned aux = row_interval[0] - row_interval[1] + 1;
Ret.Init(row_interval[0] - row_interval[1] + 1, 1);
for(unsigned i = row_interval[0]; i >= row_interval[1]; --i)
Ret.mat[row_interval[0] - i][0] = this->mat[i - 1][column - 1];
}
return Ret;
}
LinAlg::Matrix<Type> LinAlg::Matrix<Type>::operator ()(unsigned row, unsigned* column_interval)const
{
LinAlg::Matrix<Type> Ret;
if(column_interval[0] <= column_interval[1]){
Ret.Init(1, column_interval[1] - column_interval[0] + 1);
for(unsigned j = column_interval[0]; j <= column_interval[1]; ++j)
Ret.mat[0][j - column_interval[0]] = this->mat[row - 1][j - 1];
}else{
Ret.Init(1, column_interval[0] - column_interval[1] + 1);
for(unsigned j = column_interval[0]; j >= column_interval[1]; --j)
Ret.mat[0][column_interval[0] - j] = this->mat[row - 1][j - 1];
}
return Ret;
}
