lima 7.9.4 recipe, VTK 7.1.1 patch against sub-allocation for meshes …

…>= 10 millions of cells.

meshing/packages/lima/package.py

@@ -36,6 +36,7 @@ class Lima(CMakePackage):
     patch('cmake-7.6.0.patch', when='@7.6.0')
 
     version('main', branch='main')
+    version('7.9.4', sha256='ab2fae0938b08c86685b0b2809dff5f6f69bb139e50179c952b391447d5833ec')
     version('7.9.3', sha256='4ef65333269ad9ba3a522a4b82d621b4a9ae6d920042a67361fe0a404c4fd0c1')
     version('7.9.2', sha256='fee1d16d12b6b2beaa6680903f67feba0fe10a0b1159a61dd926816f89e635fa')
     version('7.9.1', sha256='da517fa87a6df3b07e793d8a6a300865614803fa84cf1d3ec1994605e69b4571')

meshing_supersede/packages/vtk-maillage/package.py

@@ -50,6 +50,8 @@ class VtkMaillage(CMakePackage):
     # when compiling vtk7 with gcc >= 11
     patch('vtk-maillage_gcc11_const.patch', when='%gcc@11:')
 
+    # patch against underallocations for meshes of more than 10 million nodes/meshs
+    patch('vtk-maillage_vtkAbstractArray_SetNumberOfValues.patch')
 
     depends_on('mpi', when='+mpi')
 

meshing_supersede/packages/vtk-maillage/vtk-maillage_vtkAbstractArray_SetNumberOfValues.patch

@@ -0,0 +1,23 @@
+diff -Naur VTK-7.1.1.old/Common/Core/vtkAbstractArray.cxx VTK-7.1.1/Common/Core/vtkAbstractArray.cxx
+--- VTK-7.1.1.old/Common/Core/vtkAbstractArray.cxx	2023-11-10 08:09:27.968215356 +0100
++++ VTK-7.1.1/Common/Core/vtkAbstractArray.cxx	2023-11-10 08:20:58.107217364 +0100
+@@ -187,8 +187,17 @@
+ //----------------------------------------------------------------------------
+ void vtkAbstractArray::SetNumberOfValues(vtkIdType numValues)
+ {
+-  if (this->Resize(std::ceil(numValues /
+-                             static_cast<float>(this->NumberOfComponents))))
++/* VTK code 7.1.1.
++ * If NumberOfComponents is 1 and numValues ​​is 46640545, then numValues ​​/static_cast<float>(this->NumberOfComponents),
++ * of floating type, will be 46640544 (the floating precision is 7 significant digits,
++ * cf. https://www.h-schmidt .net/FloatConverter/IEEE754.html)
++ * => insufficient memory allocation causing crash and revealed by valgrind
++ * if (this->Resize(std::ceil(numValues /
++ *                            static_cast<float>(this->NumberOfComponents))))
++*/
++// Replacement VTK 8.2.0 code :
++  vtkIdType numTuples = this->NumberOfComponents == 1 ? numValues : (numValues + this->NumberOfComponents - 1) / this->NumberOfComponents;
++  if (this->Resize(numTuples))
+   {
+     this->MaxId = numValues - 1;
+   }