Update MechJebLib copyright headers

This utilizes the SPDX-License-Identifier to be more permissive and legally clear and extend the license under MechJebLib. It follows https://cr.yp.to/publicdomain.html in order to place the work under the public domain. The other licenses are also included to satisfy license checkers and to provide a deliberate fallback for any concerns over the public domain declaration. Worst case this should be equivalent to dual licensing under 0BSD and LGPL2.1+. The License Identifier also clears up my poor wording using "and" under the dual license when the intent was to make it at the choice of the user, not to have both always applied (which doesn't make any sense to me which is why I didn't think it needed any clarification) This work is hereby placed into the public domain. Signed-off-by: Lamont Granquist <lamont@scriptkiddie.org>
MuMech · May 27, 2023 · 34a9667 · 34a9667
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diff --git a/GPLv2-LICENSE.md b/GPLv2-LICENSE.md
diff --git a/MIT-LICENSE.md b/MIT-LICENSE.md
diff --git a/MechJeb2/MechJebLib/Control/PIDLoop.cs b/MechJeb2/MechJebLib/Control/PIDLoop.cs
@@ -1,7 +1,6 @@
 /*
- * Copyright Lamont Granquist (lamont@scriptkiddie.org)
- * Dual licensed under the MIT (MIT-LICENSE) license
- * and GPLv2 (GPLv2-LICENSE) license or any later version.
+ * Copyright Lamont Granquist, Sebastien Gaggini and the MechJeb contributors
+ * SPDX-License-Identifier: LicenseRef-PD-hp OR Unlicense OR CC0-1.0 OR 0BSD OR MIT-0 OR MIT OR LGPL-2.1+
  */
 
 using System;

diff --git a/MechJeb2/MechJebLib/Core/Bisection.cs b/MechJeb2/MechJebLib/Core/Bisection.cs
@@ -1,6 +1,6 @@
 /*
  * Copyright Lamont Granquist, Sebastien Gaggini and the MechJeb contributors
- * SPDX-License-Identifier: MIT-0 OR LGPL-2.1+ OR CC0-1.0
+ * SPDX-License-Identifier: LicenseRef-PD-hp OR Unlicense OR CC0-1.0 OR 0BSD OR MIT-0 OR MIT OR LGPL-2.1+
  */
 
 #nullable enable

diff --git a/MechJeb2/MechJebLib/Core/BrentMin.cs b/MechJeb2/MechJebLib/Core/BrentMin.cs
@@ -1,7 +1,6 @@
 /*
- * Copyright Lamont Granquist (lamont@scriptkiddie.org)
- * Dual licensed under the MIT (MIT-LICENSE) license
- * and GPLv2 (GPLv2-LICENSE) license or any later version.
+ * Copyright Lamont Granquist, Sebastien Gaggini and the MechJeb contributors
+ * SPDX-License-Identifier: LicenseRef-PD-hp OR Unlicense OR CC0-1.0 OR 0BSD OR MIT-0 OR MIT OR LGPL-2.1+
  */
 
 using System;

diff --git a/MechJeb2/MechJebLib/Core/BrentRoot.cs b/MechJeb2/MechJebLib/Core/BrentRoot.cs
@@ -1,6 +1,6 @@
 /*
  * Copyright Lamont Granquist, Sebastien Gaggini and the MechJeb contributors
- * SPDX-License-Identifier: MIT-0 OR LGPL-2.1+ OR CC0-1.0
+ * SPDX-License-Identifier: LicenseRef-PD-hp OR Unlicense OR CC0-1.0 OR 0BSD OR MIT-0 OR MIT OR LGPL-2.1+
  */
 
 #nullable enable

diff --git a/MechJeb2/MechJebLib/Core/FunctionImpls/RealDeltaVToChangeApoapsisPrograde.cs b/MechJeb2/MechJebLib/Core/FunctionImpls/RealDeltaVToChangeApoapsisPrograde.cs
@@ -1,7 +1,6 @@
 /*
- * Copyright Lamont Granquist (lamont@scriptkiddie.org)
- * Dual licensed under the MIT (MIT-LICENSE) license
- * and GPLv2 (GPLv2-LICENSE) license or any later version.
+ * Copyright Lamont Granquist, Sebastien Gaggini and the MechJeb contributors
+ * SPDX-License-Identifier: LicenseRef-PD-hp OR Unlicense OR CC0-1.0 OR 0BSD OR MIT-0 OR MIT OR LGPL-2.1+
  */
 
 #nullable enable

diff --git a/MechJeb2/MechJebLib/Core/FunctionImpls/RealSingleImpulseHyperbolicBurn.cs b/MechJeb2/MechJebLib/Core/FunctionImpls/RealSingleImpulseHyperbolicBurn.cs
@@ -1,8 +1,6 @@
 /*
- * Copyright Lamont Granquist (lamont@scriptkiddie.org)
- * Copyright Sebastien Gaggini (sebastien.gaggini@gmail.com)
- * Dual licensed under the MIT (MIT-LICENSE) license
- * and GPLv2 (GPLv2-LICENSE) license or any later version.
+ * Copyright Lamont Granquist, Sebastien Gaggini and the MechJeb contributors
+ * SPDX-License-Identifier: LicenseRef-PD-hp OR Unlicense OR CC0-1.0 OR 0BSD OR MIT-0 OR MIT OR LGPL-2.1+
  */
 
 using System;

diff --git a/MechJeb2/MechJebLib/Core/Functions/Angles.cs b/MechJeb2/MechJebLib/Core/Functions/Angles.cs
@@ -1,7 +1,6 @@
 /*
- * Copyright Lamont Granquist (lamont@scriptkiddie.org)
- * Dual licensed under the MIT (MIT-LICENSE) license
- * and GPLv2 (GPLv2-LICENSE) license or any later version.
+ * Copyright Lamont Granquist, Sebastien Gaggini and the MechJeb contributors
+ * SPDX-License-Identifier: LicenseRef-PD-hp OR Unlicense OR CC0-1.0 OR 0BSD OR MIT-0 OR MIT OR LGPL-2.1+
  */
 
 using System;
@@ -10,6 +9,8 @@
 using MechJebLib.Utils;
 using static MechJebLib.Utils.Statics;
 
+#nullable enable
+
 // ReSharper disable InconsistentNaming
 namespace MechJebLib.Core.Functions
 {

diff --git a/MechJeb2/MechJebLib/Core/Functions/Interpolants.cs b/MechJeb2/MechJebLib/Core/Functions/Interpolants.cs
@@ -1,9 +1,10 @@
 /*
- * Copyright Lamont Granquist (lamont@scriptkiddie.org)
- * Dual licensed under the MIT (MIT-LICENSE) license
- * and GPLv2 (GPLv2-LICENSE) license or any later version.
+ * Copyright Lamont Granquist, Sebastien Gaggini and the MechJeb contributors
+ * SPDX-License-Identifier: LicenseRef-PD-hp OR Unlicense OR CC0-1.0 OR 0BSD OR MIT-0 OR MIT OR LGPL-2.1+
  */
 
+#nullable enable
+
 using System.Collections.Generic;
 using MechJebLib.Primitives;
 

diff --git a/MechJeb2/MechJebLib/Core/Functions/Maneuvers.cs b/MechJeb2/MechJebLib/Core/Functions/Maneuvers.cs
@@ -1,9 +1,10 @@
 /*
- * Copyright Lamont Granquist (lamont@scriptkiddie.org)
- * Dual licensed under the MIT (MIT-LICENSE) license
- * and GPLv2 (GPLv2-LICENSE) license or any later version.
+ * Copyright Lamont Granquist, Sebastien Gaggini and the MechJeb contributors
+ * SPDX-License-Identifier: LicenseRef-PD-hp OR Unlicense OR CC0-1.0 OR 0BSD OR MIT-0 OR MIT OR LGPL-2.1+
  */
 
+#nullable enable
+
 using MechJebLib.Core.TwoBody;
 using MechJebLib.Primitives;
 using MechJebLib.Utils;

diff --git a/MechJeb2/MechJebLib/Core/Gooding.cs b/MechJeb2/MechJebLib/Core/Gooding.cs
@@ -1,8 +1,6 @@
 /*
- * Copyright Lamont Granquist (lamont@scriptkiddie.org)
- * Copyright Sebastien Gaggini (sebastien.gaggini@gmail.com)
- * Dual licensed under the MIT (MIT-LICENSE) license
- * and GPLv2 (GPLv2-LICENSE) license or any later version.
+ * Copyright Lamont Granquist, Sebastien Gaggini and the MechJeb contributors
+ * SPDX-License-Identifier: LicenseRef-PD-hp OR Unlicense OR CC0-1.0 OR 0BSD OR MIT-0 OR MIT OR LGPL-2.1+
  */
 
 using System;

diff --git a/MechJeb2/MechJebLib/Core/Maths.cs b/MechJeb2/MechJebLib/Core/Maths.cs
@@ -1,7 +1,6 @@
 /*
- * Copyright Lamont Granquist (lamont@scriptkiddie.org)
- * Dual licensed under the MIT (MIT-LICENSE) license
- * and GPLv2 (GPLv2-LICENSE) license or any later version.
+ * Copyright Lamont Granquist, Sebastien Gaggini and the MechJeb contributors
+ * SPDX-License-Identifier: LicenseRef-PD-hp OR Unlicense OR CC0-1.0 OR 0BSD OR MIT-0 OR MIT OR LGPL-2.1+
  */
 
 using System;

diff --git a/MechJeb2/MechJebLib/Core/ODE/AbstractIVP.cs b/MechJeb2/MechJebLib/Core/ODE/AbstractIVP.cs
@@ -1,6 +1,6 @@
 /*
  * Copyright Lamont Granquist, Sebastien Gaggini and the MechJeb contributors
- * SPDX-License-Identifier: MIT-0 OR LGPL-2.1+ OR CC0-1.0
+ * SPDX-License-Identifier: LicenseRef-PD-hp OR Unlicense OR CC0-1.0 OR 0BSD OR MIT-0 OR MIT OR LGPL-2.1+
  */
 
 using System;

diff --git a/MechJeb2/MechJebLib/Core/ODE/AbstractRungeKutta.cs b/MechJeb2/MechJebLib/Core/ODE/AbstractRungeKutta.cs
@@ -1,6 +1,6 @@
 /*
  * Copyright Lamont Granquist, Sebastien Gaggini and the MechJeb contributors
- * SPDX-License-Identifier: MIT-0 OR LGPL-2.1+ OR CC0-1.0
+ * SPDX-License-Identifier: LicenseRef-PD-hp OR Unlicense OR CC0-1.0 OR 0BSD OR MIT-0 OR MIT OR LGPL-2.1+
  */
 
 #nullable enable

diff --git a/MechJeb2/MechJebLib/Core/ODE/BS3.cs b/MechJeb2/MechJebLib/Core/ODE/BS3.cs
@@ -1,6 +1,6 @@
 /*
  * Copyright Lamont Granquist, Sebastien Gaggini and the MechJeb contributors
- * SPDX-License-Identifier: MIT-0 OR LGPL-2.1+ OR CC0-1.0
+ * SPDX-License-Identifier: LicenseRef-PD-hp OR Unlicense OR CC0-1.0 OR 0BSD OR MIT-0 OR MIT OR LGPL-2.1+
  */
 
 #nullable enable

diff --git a/MechJeb2/MechJebLib/Core/ODE/DP5.cs b/MechJeb2/MechJebLib/Core/ODE/DP5.cs
@@ -1,6 +1,6 @@
 /*
  * Copyright Lamont Granquist, Sebastien Gaggini and the MechJeb contributors
- * SPDX-License-Identifier: MIT-0 OR LGPL-2.1+ OR CC0-1.0
+ * SPDX-License-Identifier: LicenseRef-PD-hp OR Unlicense OR CC0-1.0 OR 0BSD OR MIT-0 OR MIT OR LGPL-2.1+
  */
 
 #nullable enable

diff --git a/MechJeb2/MechJebLib/Core/ODE/Event.cs b/MechJeb2/MechJebLib/Core/ODE/Event.cs
@@ -1,4 +1,9 @@
-#nullable enable
+/*
+ * Copyright Lamont Granquist, Sebastien Gaggini and the MechJeb contributors
+ * SPDX-License-Identifier: LicenseRef-PD-hp OR Unlicense OR CC0-1.0 OR 0BSD OR MIT-0 OR MIT OR LGPL-2.1+
+ */
+
+#nullable enable
 
 using System;
 using System.Collections.Generic;

diff --git a/MechJeb2/MechJebLib/Core/TwoBody/Farnocchia.cs b/MechJeb2/MechJebLib/Core/TwoBody/Farnocchia.cs
@@ -1,7 +1,6 @@
 /*
- * Copyright Lamont Granquist (lamont@scriptkiddie.org)
- * Dual licensed under the MIT (MIT-LICENSE) license
- * and GPLv2 (GPLv2-LICENSE) license or any later version.
+ * Copyright Lamont Granquist, Sebastien Gaggini and the MechJeb contributors
+ * SPDX-License-Identifier: LicenseRef-PD-hp OR Unlicense OR CC0-1.0 OR 0BSD OR MIT-0 OR MIT OR LGPL-2.1+
  */
 
 #nullable enable

diff --git a/MechJeb2/MechJebLib/Core/TwoBody/Shepperd.cs b/MechJeb2/MechJebLib/Core/TwoBody/Shepperd.cs
@@ -1,6 +1,13 @@
-using System;
+/*
+ * Copyright Lamont Granquist, Sebastien Gaggini and the MechJeb contributors
+ * SPDX-License-Identifier: LicenseRef-PD-hp OR Unlicense OR CC0-1.0 OR 0BSD OR MIT-0 OR MIT OR LGPL-2.1+
+ */
+
+using System;
 using MechJebLib.Primitives;
 
+#nullable enable
+
 namespace MechJebLib.Core.TwoBody
 {
     public static class Shepperd

diff --git a/MechJeb2/MechJebLib/Maneuvers/ChangeOrbitalElement.cs b/MechJeb2/MechJebLib/Maneuvers/ChangeOrbitalElement.cs
@@ -1,7 +1,14 @@
+/*
+ * Copyright Lamont Granquist, Sebastien Gaggini and the MechJeb contributors
+ * SPDX-License-Identifier: LicenseRef-PD-hp OR Unlicense OR CC0-1.0 OR 0BSD OR MIT-0 OR MIT OR LGPL-2.1+
+ */
+
 using System;
 using MechJebLib.Primitives;
 using static MechJebLib.Utils.Statics;
 
+#nullable enable
+
 namespace MechJebLib.Maneuvers
 {
     public static class ChangeOrbitalElement

diff --git a/MechJeb2/MechJebLib/Maneuvers/ReturnFromMoon.cs b/MechJeb2/MechJebLib/Maneuvers/ReturnFromMoon.cs
@@ -1,9 +1,16 @@
+/*
+ * Copyright Lamont Granquist, Sebastien Gaggini and the MechJeb contributors
+ * SPDX-License-Identifier: LicenseRef-PD-hp OR Unlicense OR CC0-1.0 OR 0BSD OR MIT-0 OR MIT OR LGPL-2.1+
+ */
+
 using System;
 using JetBrains.Annotations;
 using MechJebLib.Core.TwoBody;
 using MechJebLib.Primitives;
 using MechJebLib.Utils;
 
+#nullable enable
+
 namespace MechJebLib.Maneuvers
 {
     public static class ReturnFromMoon

diff --git a/MechJeb2/MechJebLib/PVG/ArrayWrapper.cs b/MechJeb2/MechJebLib/PVG/ArrayWrapper.cs
@@ -1,7 +1,6 @@
 /*
- * Copyright Lamont Granquist (lamont@scriptkiddie.org)
- * Dual licensed under the MIT (MIT-LICENSE) license
- * and GPLv2 (GPLv2-LICENSE) license or any later version.
+ * Copyright Lamont Granquist, Sebastien Gaggini and the MechJeb contributors
+ * SPDX-License-Identifier: LicenseRef-PD-hp OR Unlicense OR CC0-1.0 OR 0BSD OR MIT-0 OR MIT OR LGPL-2.1+
  */
 
 #nullable enable
@@ -213,7 +212,7 @@ public void Dispose()
 
         public static void Clear(ArrayWrapper obj)
         {
-            
+
         }
     }
 }
diff --git a/MechJeb2/MechJebLib/PVG/Ascent.cs b/MechJeb2/MechJebLib/PVG/Ascent.cs
@@ -1,7 +1,6 @@
 /*
- * Copyright Lamont Granquist (lamont@scriptkiddie.org)
- * Dual licensed under the MIT (MIT-LICENSE) license
- * and GPLv2 (GPLv2-LICENSE) license or any later version.
+ * Copyright Lamont Granquist, Sebastien Gaggini and the MechJeb contributors
+ * SPDX-License-Identifier: LicenseRef-PD-hp OR Unlicense OR CC0-1.0 OR 0BSD OR MIT-0 OR MIT OR LGPL-2.1+
  */
 
 #nullable enable

diff --git a/MechJeb2/MechJebLib/PVG/AscentBuilder.cs b/MechJeb2/MechJebLib/PVG/AscentBuilder.cs
@@ -1,7 +1,6 @@
 /*
- * Copyright Lamont Granquist (lamont@scriptkiddie.org)
- * Dual licensed under the MIT (MIT-LICENSE) license
- * and GPLv2 (GPLv2-LICENSE) license or any later version.
+ * Copyright Lamont Granquist, Sebastien Gaggini and the MechJeb contributors
+ * SPDX-License-Identifier: LicenseRef-PD-hp OR Unlicense OR CC0-1.0 OR 0BSD OR MIT-0 OR MIT OR LGPL-2.1+
  */
 
 using System.Collections.Generic;
@@ -18,7 +17,7 @@ public partial class Ascent
         public class AscentBuilder
         {
             public readonly List<Phase> _phases = new List<Phase>();
-            
+
             public V3        _r0                  { get; private set; }
             public V3        _v0                  { get; private set; }
             public V3        _u0                  { get; private set; }
@@ -38,57 +37,57 @@ public class AscentBuilder
             public int       _optimizedPhase      { get; private set; }
             public int       _optimizedCoastPhase { get; private set; } = -1;
             public Solution? _solution            { get; private set; }
-            
-            
+
+
             public AscentBuilder AddStageUsingFinalMass(double m0, double mf, double isp, double bt, int kspStage, bool optimizeTime = false, bool unguided = false)
             {
                 Log($"[MechJebLib.AscentBuilder] AddStageUsingFinalMass({m0}, {mf}, {isp}, {bt}, {kspStage}, {(optimizeTime?"true":"false")}, {(unguided?"true":"false")})");
-                
+
                 _phases.Add(Phase.NewStageUsingFinalMass(m0, mf, isp, bt, kspStage, optimizeTime, unguided));
                 if (optimizeTime)
                     _optimizedPhase = _phases.Count - 1;
-                
+
                 return this;
             }
-            
+
             public AscentBuilder AddStageUsingThrust(double m0, double thrust, double isp, double bt, int kspStage, bool optimizeTime = false, bool unguided = false)
             {
                 Log($"[MechJebLib.AscentBuilder] AddStageUsingThrust({m0}, {thrust}, {isp}, {bt}, {kspStage}, {(optimizeTime?"true":"false")}, {(unguided?"true":"false")})");
-                
+
                 _phases.Add(Phase.NewStageUsingThrust(m0, thrust, isp, bt, kspStage, optimizeTime, unguided));
                 if (optimizeTime)
                     _optimizedPhase = _phases.Count - 1;
-                
+
                 return this;
             }
-            
+
             public AscentBuilder AddFixedCoast(double m0, double ct, int kspStage)
             {
                 Log($"[MechJebLib.AscentBuilder] AddFixedCoast({m0}, {ct}, {kspStage})");
-                
+
                 _phases.Add(Phase.NewFixedCoast(m0, ct, kspStage));
-                
+
                 return this;
             }
-            
+
             public AscentBuilder AddOptimizedCoast(double m0, double mint, double maxt, int kspStage)
             {
                 Log($"[MechJebLib.AscentBuilder] AddOptimizedCoast({m0}, {mint}, {maxt}, {kspStage})");
-                
+
                 _phases.Add(Phase.NewOptimizedCoast(m0, mint, maxt, kspStage));
                 _optimizedCoastPhase = _phases.Count - 1;
-                
+
                 return this;
             }
-            
+
             public AscentBuilder Initial(V3 r0, V3 v0, V3 u0, double t0, double mu, double rbody)
             {
                 Check.NonZeroFinite(r0);
                 Check.NonZeroFinite(v0);
                 Check.Finite(t0);
                 Check.PositiveFinite(mu);
                 Check.PositiveFinite(rbody);
-                
+
                 Log($"[MechJebLib.AscentBuilder] Initial({r0}, {v0}, {u0}, {t0}, {mu}, {rbody})");
                 _r0    = r0;
                 _v0    = v0;

diff --git a/MechJeb2/MechJebLib/PVG/Integrators/IPVGIntegrator.cs b/MechJeb2/MechJebLib/PVG/Integrators/IPVGIntegrator.cs
@@ -1,7 +1,6 @@
 /*
- * Copyright Lamont Granquist (lamont@scriptkiddie.org)
- * Dual licensed under the MIT (MIT-LICENSE) license
- * and GPLv2 (GPLv2-LICENSE) license or any later version.
+ * Copyright Lamont Granquist, Sebastien Gaggini and the MechJeb contributors
+ * SPDX-License-Identifier: LicenseRef-PD-hp OR Unlicense OR CC0-1.0 OR 0BSD OR MIT-0 OR MIT OR LGPL-2.1+
  */
 
 using MechJebLib.Primitives;

diff --git a/MechJeb2/MechJebLib/PVG/Integrators/VacuumCoastAnalytic.cs b/MechJeb2/MechJebLib/PVG/Integrators/VacuumCoastAnalytic.cs
@@ -1,7 +1,6 @@
 /*
- * Copyright Lamont Granquist (lamont@scriptkiddie.org)
- * Dual licensed under the MIT (MIT-LICENSE) license
- * and GPLv2 (GPLv2-LICENSE) license or any later version.
+ * Copyright Lamont Granquist, Sebastien Gaggini and the MechJeb contributors
+ * SPDX-License-Identifier: LicenseRef-PD-hp OR Unlicense OR CC0-1.0 OR 0BSD OR MIT-0 OR MIT OR LGPL-2.1+
  */
 
 #nullable enable