NGSolve
4.9
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A simple matrix. More...
#include <matrix.hpp>
Public Types | |
typedef T | TELEM |
element type | |
typedef T & | TREF |
typedef mat_traits< T >::TSCAL | TSCAL |
scalar type of elements (double or Complex) | |
Public Member Functions | |
FlatMatrix () throw () | |
nothing done in default constructor | |
FlatMatrix (int ah, int aw, T *adata) throw () | |
set height, width, and mem | |
FlatMatrix (int ah, T *adata) throw () | |
set height = width, and mem | |
FlatMatrix (int ah, int aw, LocalHeap &lh) | |
allocates at local heap | |
FlatMatrix (int ah, LocalHeap &lh) | |
allocates at local heap | |
FlatMatrix (const FlatMatrix &m) throw () | |
copy constructor. copies pointers, not contents | |
template<typename TB > | |
FlatMatrix (const LocalHeapExpr< TB > &m2) | |
allocate and compute | |
template<typename T2 > | |
FlatMatrix (const MatExpr< T2 > &m) | |
useful to put FlatMatrix over other matrix | |
template<int H, int W> | |
FlatMatrix (const Mat< H, W, TSCAL > &m) throw () | |
useful to put FlatMatrix over other Mat | |
~FlatMatrix () throw () | |
do nothing | |
void | AssignMemory (int ah, int aw, LocalHeap &lh) |
set size, and assign mem | |
void | AssignMemory (int ah, int aw, T *mem) throw () |
set size, and assign mem | |
template<typename TBxx > | |
const FlatMatrix & | operator= (const Expr< TBxx > &m) const |
assign contents | |
const FlatMatrix & | operator= (const FlatMatrix &m) throw () |
copy contents | |
FlatMatrix & | operator= (TSCAL s) throw () |
assign constant | |
FlatMatrix & | Assign (const FlatMatrix &m) throw () |
copy size and pointers | |
TELEM & | operator() (int i) const |
access operator, linear access | |
TELEM & | operator() (int i, int j) const |
access operator | |
int | Height () const throw () |
the height | |
int | Width () const throw () |
the width | |
const FlatVector< T > | Row (int i) const |
const SliceVector< T > | Col (int i) const |
const SliceVector< T > | Diag () const |
const FlatMatrix | Rows (int first, int next) const |
const SliceMatrix< T > | Cols (int first, int next) const |
const FlatMatrix | Rows (IntRange range) const |
const SliceMatrix< T > | Cols (IntRange range) const |
Protected Attributes | |
int | h |
the height | |
int | w |
the width | |
T * | data |
the data |
A simple matrix.
Has height, width and data-pointer. No memory allocation/deallocation. User must provide memory.