Take Version and PicsarVersion out of the WarpX class

Source/Diagnostics/WarpXOpenPMD.cpp

@@ -16,6 +16,7 @@
 #include "Utils/RelativeCellPosition.H"
 #include "Utils/WarpXAlgorithmSelection.H"
 #include "Utils/WarpXProfilerWrapper.H"
+#include "Utils/WarpXGetVersion.H"
 #include "WarpX.H"
 #include "OpenPMDHelpFunction.H"
 
@@ -518,7 +519,7 @@ WarpXOpenPMDPlot::Init (openPMD::Access access, bool isBTD)
     uint32_t const openPMD_ED_PIC = 1u;
     m_Series->setOpenPMDextension( openPMD_ED_PIC );
     // meta info
-    m_Series->setSoftware( "WarpX", WarpX::Version() );
+    m_Series->setSoftware( "WarpX", warpx::Version() );
 }
 
 void

Source/Initialization/WarpXInitData.cpp

@@ -34,6 +34,7 @@
 #include "Utils/WarpXConst.H"
 #include "Utils/WarpXProfilerWrapper.H"
 #include "Utils/WarpXUtil.H"
+#include "Utils/WarpXGetVersion.H"
 #include "Python/callbacks.H"
 
 #include <ablastr/fields/MultiFabRegister.H>
@@ -514,10 +515,10 @@ WarpX::InitData ()
     ablastr::parallelization::check_mpi_thread_level();
 
 #ifdef WARPX_QED
-    Print() << "PICSAR (" << WarpX::PicsarVersion() << ")\n";
+    Print() << "PICSAR (" << warpx::PicsarVersion() << ")\n";
 #endif
 
-    Print() << "WarpX (" << WarpX::Version() << ")\n";
+    Print() << "WarpX (" << warpx::Version() << ")\n";
 
     Print() << utils::logo::get_logo();
 

Source/Python/pyWarpX.cpp

@@ -78,7 +78,7 @@ PYBIND11_MODULE(PYWARPX_MODULE_NAME, m) {
     m.attr("__version__") = MACRO_STRINGIFY(PYWARPX_VERSION_INFO);
 #else
     // note: not necessarily PEP-440 compliant
-    m.attr("__version__") = WarpX::Version();
+    m.attr("__version__") = warpx::Version();
 #endif
 
     // authors

Source/Utils/CMakeLists.txt

@@ -9,7 +9,7 @@ foreach(D IN LISTS WarpX_DIMS)
         WarpXMovingWindow.cpp
         WarpXTagging.cpp
         WarpXUtil.cpp
-        WarpXVersion.cpp
+        WarpXGetVersion.cpp
     )
 endforeach()
 

Source/Utils/Make.package

@@ -1,7 +1,7 @@
 CEXE_sources += WarpXMovingWindow.cpp
 CEXE_sources += WarpXTagging.cpp
 CEXE_sources += WarpXUtil.cpp
-CEXE_sources += WarpXVersion.cpp
+CEXE_sources += WarpXGetVersion.cpp
 CEXE_sources += Interpolate.cpp
 CEXE_sources += IntervalsParser.cpp
 CEXE_sources += RelativeCellPosition.cpp

Source/Utils/WarpXGetVersion.H

@@ -0,0 +1,19 @@
+/* Copyright 2025 Axel Huebl, Luca Fedeli
+ *
+ * This file is part of WarpX.
+ *
+ * License: BSD-3-Clause-LBNL
+ */
+#include <string>
+
+#ifndef WARPX_GET_VERSION_H_
+#define WARPX_GET_VERSION_H_
+
+namespace warpx
+{
+    [[nodiscard]] std::string Version () noexcept; //!< Version of WarpX executable
+
+    [[nodiscard]] std::string PicsarVersion () noexcept; //!< Version of PICSAR dependency
+}
+
+#endif //WARPX_GET_VERSION_H_

Source/Utils/WarpXVersion.cpp → Source/Utils/WarpXGetVersion.cpp

@@ -1,17 +1,15 @@
-/* Copyright 2022 Axel Huebl
+/* Copyright 2025 Axel Huebl, Luca Fedeli
  *
  * This file is part of WarpX.
  *
  * License: BSD-3-Clause-LBNL
  */
-#include "WarpX.H"
-#include "Utils/WarpXVersion.H"
 
-#include <string>
+#include "Utils/WarpXGetVersion.H"
 
+#include "Utils/WarpXVersion.H"
 
-std::string
-WarpX::Version ()
+std::string warpx::Version () noexcept
 {
     std::string version;
 #ifdef WARPX_GIT_VERSION
@@ -24,8 +22,7 @@ WarpX::Version ()
     }
 }
 
-std::string
-WarpX::PicsarVersion ()
+std::string warpx::PicsarVersion () noexcept
 {
     std::string version;
 #ifdef PICSAR_GIT_VERSION

Source/WarpX.H

@@ -109,9 +109,6 @@ public:
     /** Move operator */
     WarpX& operator= ( WarpX && ) = delete;
 
-    static std::string Version (); //!< Version of WarpX executable
-    static std::string PicsarVersion (); //!< Version of PICSAR dependency
-
     [[nodiscard]] int Verbose () const { return verbose; }
 
     [[nodiscard]] const amrex::Array<FieldBoundaryType,AMREX_SPACEDIM>& GetFieldBoundaryLo () const