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## Version 5.0 (03-28-2023)
### Changed
- C++ standard 17 is now accepted
- `Vector<T>` and `Matrix<T>` changed from internal types to Eigen::Matrix<T>
- `VectorProxy<T>` and `MatrixProxy<T>` are now `Eigen::Map<Eigen::Matrix<T>>`
This introduces a potential bug if codes like the following example where used:
```
for(auto && v_ : make_view(vectors, dim)) {
Vector<Real> v(v_);
...
}
```
With the new version the temporary vector `v` will be a deep copy of `v_`
instead of a shallow copy as in the previous version
### Added
- `make_view` as a static dimension version for vectors and matrices
`make_view<size>(vectors)` and `make_view<rows, cols>(matrices)`
- `zip` iterators can be named, in which case the
return tuple is a `named_tuple`.
```
for(auto && t : zip("a"_n = as, "b"_n = bs)) {
auto && a = t["a"_n];
auto && b = t["b"_n];
...
}
```
### Deprecated
- `begin_reinterpret` and `end_reinterpret` are error prone and deprecated in favor of `make_view`
- `storage()` members are deprecated in favor of `data()` in order to be compatible with the STL
- `get(.*)Energy(ElementType type, Idx index)` are deprecated in favor of `get(.*)Energy(const Element & element)`
elements can be implicitly created, `getEnergy({type, index, _not_ghost})`
- `begin_(node|element)_group` and `end_(node|element)_group` are replaced by `iterate(Node|Element)Groups`
- In the python interface:
- the global `setDebugLevel`, `getDebugLevel` and `printBacktrace` were moved in the sub-module `debug`
- the call to `finalize` is not needed
- `applyDirichketBC` was replaced by `applyBC`
### Deleted
- `getForce`, `firstType()`, `lastType()` that where deprecated in version 4.0
## Version 4.0 (09-21-2021)
### Added
- pybind11 binding
- contact mechanics model
- phase field model
- Added a Changelog
### Changed
- transferred CI from jenkinsfile to gitlab CI/CD
- API changes to make container more STL compatible
- clear does not set to 0 anymore but empties containers
- empty does not empty containers but tells if the container is empty
- zero replace the old empty and set containers to 0
### Deprecated
- `getForce` in the `SolidMechanicsModel` becomes `getExternalForce`
- `firstType()`, `lastType()` replaced by `elementTypes()`
## Version 3.2 (not released)
### Added
- Activating PETSc solver back with the new solver interface
### Deprecated
- deprecating old C++ 03 code
## 3.0 (2018-03)
### Added
- Parallel cohesive elements
- Element groups created by default for “physical_names”
- Named arguments for functions (e.g. model.initFull(_analysis_method = _static))
### Changed
- Models using new interface for solvers
- Same configuration for all models
- Solver can be configured in input file
- Only one function to solve a step model.solveStep()
- Simplification of the parallel simulation with the mesh.distribute() function
- Switch from C++ standard 2003 to 2014 Example of changes implied by this:
for (Int g = _not_ghost; g <= _ghost; ++g) {
GhostType gt = (GhostType)g;
Mesh::type_iterator it = this->mesh.firstType(spatial_dimension, gt);
Mesh::type_iterator end = this->mesh.lastType(spatial_dimension, gt);
for (; it != end; ++it) {
ElementType & type = *it;
...
}
}
becomes:
for (auto ghost_type : ghost_types) {
for (auto type : mesh.elementTypes(spatial_dimension,
ghost_type)) {
...
}
}
### Deleted
- PETSc interface temporary inactive
- Periodic boundary condition temporary inactive
## 2.3 (2016-03)
### Added
- swig python interface
## 2.2 (2014-09)
### Added
- Cohesive elements
## 1.0 (2012-06)
### Added
- Continuum damage local and non-local
- Models: solid mechanics, structural mechanics, heat transfer
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