Version 1.6.2: 2017-03-29
- New: Cylindrical coordinate system can be requested by passing the optional parameter
coordinate_system="cylindrical"
to the lattice constructor.
- New:
BesselState
class.
- New: Optional Lee-Huang-Yang term in the Hamiltonian.
- New: Calculate the azimuthal potential in the Hamiltonian.
- Changed: The function
center_coordinates
was renamed to map_lattice_to_coordinate_space
.
- Changed: Hybrid kernel removed.
- Changed: Improved the precision of energy expectation values.
- Changed: The function
get_particle_density
no longer depends on the lattice resolution (see issues #161 and #124).
- Fixed: 1D lattice works for all built-in state classes.
- Fixed: Different resolution between the x- and y-axes works correctly in the CPU and GPU kernels.
Version 1.6.1: 2016-12-21
- New: One-dimensional topology through the class
Lattice1D
.
- New: The coordinate transformation and scaling is exposed via the function
center_coordinates
.
- Changed: The two dimensional topology is now defined through the class
Lattice2D
.
- Changed: The command-line interface was removed.
- Changed: Python interface simplified and made more consistent.
- Fixed: Different resolution and physical size across different axes is possible.
- Fixed: Nonzero angular momentum no longer produces nan in the state if the offset is negative.
Version 1.5.5: 2016-06-13
- Fixed: Particle density is scaled correctly.
Version 1.5.4: 2016-05-10
- Fixed:
vortex_position
works correctly with Python 3.
Version 1.5.3: 2016-04-22
- New:
vortex_position
function detects when a vortex is not present.
Version 1.5.2: 2016-03-02
- New: Static library target to make distributed examples run easier on clusters.
- Fixed: Windows version compiles again.
- Fixed: Renormalization in the imaginary time evolution is fixed and simplified.
- Fixed: Installing the C++ library works again.
- Fixed: Python CUDA version works.
Version 1.5.1: 2016-02-15
- New: Updating parameters is possible even after the solver was instantiated. Call the method
update_parameters
of the solver class.
- New: Helper functions added to track vortices.
- Changed: Since the lattice resolution is the same in either direction, now only one parameter handles it in the corresponding class.
- Fixed: The second potential in a two-component Hamiltonian is correctly handled.
Version 1.5: 2016-01-31
- New: Improved API that allows the user to define and solve problems in physical terms. Classes were introduced for the lattice, the state, the potential, the Hamiltonian, and for the solver.
- New: Time-dependent potentials are possible.
- New: CUDA support in the Python interface.
- Changed: SSE kernel was removed.
- Changed: MATLAB interface was removed.
- Changed: More robust compilation of CUDA version in the Python wrapper.
- Fixed: Code compiles again with the hybrid kernel.
Version 1.4: 2015-10-25
- New: CPU kernel implements the Gross-Pitaevskii equation.
- New: performing imaginary time evolution, all kernels output a wave function normalized with a set value provided as input.
- New: The command-line interface, and the Python and MATLAB wrappers only need Hamiltonian parameters, lattice parameters and evolution parameters as input.
- New: Sphinx documentation for the Python wrapper, including examples.
- Changed: Example of MATLAB wrapper.
- Fixed: Python 3 compatibility.
- Fixed: MAC OS X can compile, but it does not support SSE kernel.
Version 1.3: 2015-07-04
- New: Wrappers for Python and MATLAB.
- New: Compiles on Windows with Visual Studio.
- Changed: Code compiles without MPI.
- Fixed: No single process has to hold the entire state or potential in memory.
Version 1.2: 2015-06-08
- New: Imaginary time evolution to find ground state.
- New: Periodic boundary conditions are possible.
- New: Arbitrary stationary potential function can be defined.
- New: CLI for specifying the files of the initial state and the potential, and the parameters of the Hamiltonian.
- New: API added through the
trotter
function.
- New: Convenience function to get expectation values (
expect_values
).
- New: Unit testing framework.
- Changed: Single-precision calculations were removed entirely.
- Changed: Examples split into separate folder.
- Changed: Better testing of MPI dependencies by configure script.
- Changed: Improved treatment of Intel compilers.
Version 1.1: 2014-06-12
- New: Build system revised, CUDA is no longer necessary.
Version 1.0: 2012-06-28