- Remove the GeneralMatrix(const ConstVector &) constructor, since it is hides
a memory allocation (copying the ConstVector into a fresh Vector). This
helped detecting and fixing several unneeded memory allocations. Some other
memory allocations are now more visible (with an explicit Vector{}
constructor).
- Add checks in GeneralMatrix(Vector, …) and ConstGeneralMatrix(ConstVector, …)
constructors for verifying that the {Const,}Vector has unit-stride (this was
an implicit assumption so far) and is large enough for storing rows*cols
elements.
- Add GeneralMatrix::operator=(const ConstGeneralMatrix &).
- Delete ConstGeneralMatrix::operator=().
Many BLAS/LAPACK calls were making the assumption that LD==rows when passing
matrices. In some cases this was correct (because of implementation details,
in particular because how the copy constructor of GeneralMatrix is implemented).
But in other cases it was a bug.
With this commit, the actual value for LD is systematically used (this fixes
existing bugs and prevent possible future ones if the implementation details
were changed).
- these classes now encapsulate a std::shared_ptr<{const, }double>, so that
they do not perform memory management, and several {Const,}Vector instances
can transparently share the same underlying data
- make converting constructor from ConstVector to Vector explicit, since that
entails memory allocation (but the reverse conversion is almost costless, so
keep it implicit); do the same for GeneralMatrix/ConstGeneralMatrix,
TwoDMatrix/ConstTwoDMatrix
- remove the constructors that were extracting a row/column from a matrix, and
replace them by getRow() and getCol() methods on {Const,}GeneralMatrix
- rename and change the API of the complex version Vector::add(), so that it is
explicit that it deals with complex numbers
- add constructors that take a MATLAB mxArray
Sébastien Villemot