template <>
void Matrix<double>::slid_window(int w, int h, double value)
{
if(w<=0 || h<=0){
throw std::invalid_argument("Size must be positive");
}
// determine overlap
int min_h,min_w;
min_h = h;
min_w = w;
if(min_h>height) {
min_h = height;
}
if(min_w>width) {
min_w = width;
}
// create matrix of size (w,h) and copy overlap region
Matrix<double> tmpMatrix(w,h,value);
for(int col=0;col<min_w;col++)
memcpy(tmpMatrix.get() + col*h, pData + (col+1)*height, min_h*sizeof(double));
// replace old matrix with new one
// Reduce the size of this, retaining data from the original array
// for valid indices of the new array.
bool AMatrix_base::Shrink(const int NumRows, const int NumCols) {
bool result = false;
int i, j;
if ((NumRows < m_NumRows) || (NumCols < m_NumCols)) {
if (NumRows > 0 && NumCols > 0) {
//
AMatrix_base tmpMatrix(NumRows, NumCols);
for (i = 0; i < NumRows; ++i) {
for (j = 0; j < NumCols; ++j) {
tmpMatrix.m_Array[i][j] = m_Array[i][j];
if (i == 0) {
tmpMatrix.m_ColumnFlags[j] = m_ColumnFlags[j];
}
}
}
DeAllocate();
Allocate(NumRows, NumCols);
for (i = 0; i < NumRows; ++i) {
for (j = 0; j < NumCols; ++j) {
m_Array[i][j] = tmpMatrix.m_Array[i][j];
if (i == 0) {
m_ColumnFlags[j] = tmpMatrix.m_ColumnFlags[j];
}
}
}
result = true;
}
}
return result;
}
Matrix Matrix::operator+(const Matrix &rhs)
{
Matrix tmpMatrix(height, width);
tmpMatrix += *this;
tmpMatrix += rhs;
return tmpMatrix;
}
void Matrix<elType>::resize(int w, int h, elType value)
{
if (w==width && h==height)
//Nothing to do
return;
if(w<=0 || h<=0){
throw std::invalid_argument("Size must be positive");
}
// determine overlap
int min_h,min_w;
min_h = h;
min_w = w;
if(min_h>height) {
min_h = height;
}
if(min_w>width) {
min_w = width;
}
// create matrix of size (w,h) and copy overlap region
// create matrix of size (w,h) and copy overlap region
Matrix<elType> tmpMatrix(w,h,value);
for(int col=0;col<min_w;col++)
memcpy(tmpMatrix.get() + col*h, pData + col*height, min_h*sizeof(elType));
// replace old matrix with new one
set(tmpMatrix);
}
void MonolithicBlockMatrix::applyPreconditioner( const matrixPtr_Type prec, matrixPtr_Type& oper )
{
matrix_Type tmpMatrix(prec->map(), 1);
EpetraExt::MatrixMatrix::Multiply( *prec->matrixPtr(),
false,
*oper->matrixPtr(),
false,
*tmpMatrix.matrixPtr());
oper->swapCrsMatrix(tmpMatrix);
}
void dComplemtaritySolver::dBodyState::UpdateInertia()
{
dMatrix tmpMatrix (dGetZeroMatrix());
tmpMatrix[0] = m_localInertia.CompProduct (dVector (m_matrix[0][0], m_matrix[1][0], m_matrix[2][0], 0.0f));
tmpMatrix[1] = m_localInertia.CompProduct (dVector (m_matrix[0][1], m_matrix[1][1], m_matrix[2][1], 0.0f));
tmpMatrix[2] = m_localInertia.CompProduct (dVector (m_matrix[0][2], m_matrix[1][2], m_matrix[2][2], 0.0f));
m_inertia = tmpMatrix * m_matrix;
tmpMatrix[0] = m_localInvInertia.CompProduct (dVector (m_matrix[0][0], m_matrix[1][0], m_matrix[2][0], 0.0f));
tmpMatrix[1] = m_localInvInertia.CompProduct (dVector (m_matrix[0][1], m_matrix[1][1], m_matrix[2][1], 0.0f));
tmpMatrix[2] = m_localInvInertia.CompProduct (dVector (m_matrix[0][2], m_matrix[1][2], m_matrix[2][2], 0.0f));
m_invInertia = tmpMatrix * m_matrix;
}