hiddenSymmetries · landreman · Nov 2, 2023 · Oct 18, 2023 · Oct 28, 2023
diff --git a/CMakeLists.txt b/CMakeLists.txt
@@ -58,6 +58,8 @@ else()
     	set(CMAKE_CXX_FLAGS "-O3 -ffp-contract=fast")
     endif()
 endif()
+# Ensure all code used from Eigen does not have LGPL license:
+set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -DEIGEN_MPL2_ONLY")
 message(STATUS "CMAKE_CXX_FLAGS are ${CMAKE_CXX_FLAGS}")
 
 if(DEFINED ENV{CONDA_PREFIX})

diff --git a/COPYING b/COPYING
diff --git a/COPYING.LESSER b/COPYING.LESSER
diff --git a/LICENSE b/LICENSE
@@ -0,0 +1,21 @@
+MIT License
+
+Copyright (c) 2023 Simsopt contributors
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
diff --git a/conda.recipe/meta.yaml b/conda.recipe/meta.yaml
@@ -51,8 +51,8 @@ requirements:
 about:
   home: {{ data.get('url') }}
   summary: simplified framework for stellarator optimization
-  license: LGPL
-  license_file: ["COPYING", "COPYING.LESSER"]
+  license: MIT
+  license_file: "LICENSE"
   description:
   doc_url: https://simsopt.readthedocs.io/
   dev_url: {{ data.get('url') }}

diff --git a/setup.cfg b/setup.cfg
@@ -19,7 +19,7 @@ classifier =
     Development Status :: 3 - Alpha
     Intended Audience :: Science/Research
     Topic :: Scientific/Engineering :: Physics
-    License :: OSI Approved :: GNU Lesser General Public License v3 (LGPLv3)
+    License :: OSI Approved :: MIT License
     Operating System :: MacOS :: MacOS X
     Operating System :: POSIX :: Linux
     Environment :: Console

diff --git a/src/simsopt/_core/dev.py b/src/simsopt/_core/dev.py
@@ -1,6 +1,6 @@
 # coding: utf-8
 # Copyright (c) HiddenSymmetries Development Team.
-# Distributed under the terms of the LGPL License
+# Distributed under the terms of the MIT License
 
 import functools
 import warnings

diff --git a/src/simsopt/_core/finite_difference.py b/src/simsopt/_core/finite_difference.py
@@ -1,6 +1,6 @@
 # coding: utf-8
 # Copyright (c) HiddenSymmetries Development Team.
-# Distributed under the terms of the LGPL License
+# Distributed under the terms of the MIT License
 
 """
 This module provides Jacobian evaluated with finite difference scheme

diff --git a/src/simsopt/_core/json.py b/src/simsopt/_core/json.py
@@ -1,6 +1,6 @@
 # coding: utf-8
 # Copyright (c) HiddenSymmetries Development Team.
-# Distributed under the terms of the LGPL License
+# Distributed under the terms of the MIT License
 
 """
 Provides json emitting and parsing functionality that can handle graphs.

diff --git a/src/simsopt/_core/optimizable.py b/src/simsopt/_core/optimizable.py
@@ -1,6 +1,6 @@
 # coding: utf-8
 # Copyright (c) HiddenSymmetries Development Team.
-# Distributed under the terms of the LGPL License
+# Distributed under the terms of the MIT License
 
 """
 Provides graph based Optimizable class, whose instances can be used to

diff --git a/src/simsopt/_core/types.py b/src/simsopt/_core/types.py
@@ -1,6 +1,6 @@
 # coding: utf-8
 # Copyright (c) HiddenSymmetries Development Team.
-# Distributed under the terms of the LGPL License
+# Distributed under the terms of the MIT License
 
 """
 This module contains small utility functions and classes.

diff --git a/src/simsopt/_core/util.py b/src/simsopt/_core/util.py
@@ -1,6 +1,6 @@
 # coding: utf-8
 # Copyright (c) HiddenSymmetries Development Team.
-# Distributed under the terms of the LGPL License
+# Distributed under the terms of the MIT License
 
 """
 This module contains small utility functions and classes needed by *_core*

diff --git a/src/simsopt/mhd/__init__.py b/src/simsopt/mhd/__init__.py
@@ -1,6 +1,6 @@
 # coding: utf-8
 # Copyright (c) HiddenSymmetries Development Team.
-# Distributed under the terms of the LGPL License
+# Distributed under the terms of the MIT License
 
 from .vmec import *
 from .virtual_casing import *

diff --git a/src/simsopt/mhd/bootstrap.py b/src/simsopt/mhd/bootstrap.py
@@ -1,6 +1,6 @@
 # coding: utf-8
 # Copyright (c) HiddenSymmetries Development Team.
-# Distributed under the terms of the LGPL License
+# Distributed under the terms of the MIT License
 
 """
 This module provides functions to compute the bootstrap current

diff --git a/src/simsopt/mhd/boozer.py b/src/simsopt/mhd/boozer.py
@@ -1,6 +1,6 @@
 # coding: utf-8
 # Copyright (c) HiddenSymmetries Development Team.
-# Distributed under the terms of the LGPL License
+# Distributed under the terms of the MIT License
 
 """
 This module provides a class that handles the transformation to

diff --git a/src/simsopt/mhd/profiles.py b/src/simsopt/mhd/profiles.py
@@ -1,6 +1,6 @@
 # coding: utf-8
 # Copyright (c) HiddenSymmetries Development Team.
-# Distributed under the terms of the LGPL License
+# Distributed under the terms of the MIT License
 
 """
 This module provides classes to handle radial profiles of density,

diff --git a/src/simsopt/mhd/spec.py b/src/simsopt/mhd/spec.py
@@ -1,6 +1,6 @@
 # coding: utf-8
 # Copyright (c) HiddenSymmetries Development Team.
-# Distributed under the terms of the LGPL License
+# Distributed under the terms of the MIT License
 
 """
 This module provides a class that handles the SPEC equilibrium code.

diff --git a/src/simsopt/mhd/virtual_casing.py b/src/simsopt/mhd/virtual_casing.py
@@ -1,6 +1,6 @@
 # coding: utf-8
 # Copyright (c) HiddenSymmetries Development Team.
-# Distributed under the terms of the LGPL License
+# Distributed under the terms of the MIT License
 
 """
 This module provides routines for interacting with the

diff --git a/src/simsopt/mhd/vmec.py b/src/simsopt/mhd/vmec.py
@@ -1,6 +1,6 @@
 # coding: utf-8
 # Copyright (c) HiddenSymmetries Development Team.
-# Distributed under the terms of the LGPL License
+# Distributed under the terms of the MIT License
 
 """
 This module provides a class that handles the VMEC equilibrium code.

diff --git a/src/simsopt/mhd/vmec_diagnostics.py b/src/simsopt/mhd/vmec_diagnostics.py
@@ -1,6 +1,6 @@
 # coding: utf-8
 # Copyright (c) HiddenSymmetries Development Team.
-# Distributed under the terms of the LGPL License
+# Distributed under the terms of the MIT License
 
 """
 This module contains functions that can postprocess VMEC output.

diff --git a/src/simsopt/objectives/constrained.py b/src/simsopt/objectives/constrained.py
@@ -1,6 +1,6 @@
 # coding: utf-8
 # Copyright (c) HiddenSymmetries Development Team.
-# Distributed under the terms of the LGPL License
+# Distributed under the terms of the MIT License
 
 """
 Provides the ConstrainedProblem class implemented using the graph based

diff --git a/src/simsopt/objectives/functions.py b/src/simsopt/objectives/functions.py
@@ -1,6 +1,6 @@
 # coding: utf-8
 # Copyright (c) HiddenSymmetries Development Team.
-# Distributed under the terms of the LGPL License
+# Distributed under the terms of the MIT License
 
 """
 This module provides a few minimal optimizable objects, each

diff --git a/src/simsopt/objectives/least_squares.py b/src/simsopt/objectives/least_squares.py
@@ -1,6 +1,6 @@
 # coding: utf-8
 # Copyright (c) HiddenSymmetries Development Team.
-# Distributed under the terms of the LGPL License
+# Distributed under the terms of the MIT License
 
 """
 Provides the LeastSquaresProblem class implemented using the new graph based

diff --git a/src/simsopt/solve/mpi.py b/src/simsopt/solve/mpi.py
@@ -1,6 +1,6 @@
 # coding: utf-8
 # Copyright (c) HiddenSymmetries Development Team.
-# Distributed under the terms of the LGPL License
+# Distributed under the terms of the MIT License
 
 """
 This module provides two main functions, fd_jac_mpi and

diff --git a/src/simsopt/solve/serial.py b/src/simsopt/solve/serial.py
@@ -1,6 +1,6 @@
 # coding: utf-8
 # Copyright (c) HiddenSymmetries Development Team.
-# Distributed under the terms of the LGPL License
+# Distributed under the terms of the MIT License
 
 """
 This module provides the least_squares_serial_solve

diff --git a/src/simsopt/util/fourier_interpolation.py b/src/simsopt/util/fourier_interpolation.py
@@ -1,6 +1,6 @@
 # coding: utf-8
 # Copyright (c) HiddenSymmetries Development Team.
-# Distributed under the terms of the LGPL License
+# Distributed under the terms of the MIT License
 
 """
 This module contains a subroutine for spectrally accurate interpolation of

diff --git a/src/simsopt/util/logger.py b/src/simsopt/util/logger.py
@@ -1,6 +1,6 @@
 # coding: utf-8
 # Copyright (c) HiddenSymmetries Development Team.
-# Distributed under the terms of the LGPL License
+# Distributed under the terms of the MIT License
 
 __all__ = ['initialize_logging']
 

diff --git a/src/simsopt/util/mpi.py b/src/simsopt/util/mpi.py
@@ -1,6 +1,6 @@
 # coding: utf-8
 # Copyright (c) HiddenSymmetries Development Team.
-# Distributed under the terms of the LGPL License
+# Distributed under the terms of the MIT License
 
 """
 This module contains the :class:`~simsopt.util.mpi.MpiPartition` class.