clang-tidy: Apply performance-enum-size

cpppetsc/src/include/ae108/cpppetsc/SharedEntity.h

@@ -17,6 +17,7 @@
 
 #pragma once
 
+#include <cstdint>
 #include <memory>
 #include <petscsys.h>
 #include <type_traits>
@@ -82,7 +83,7 @@ private:
   std::unique_ptr<std::remove_pointer_t<T>, decltype(&destroy)> t_;
 };
 
-enum class OwnershipType { Take, Share };
+enum class OwnershipType : std::uint8_t { Take, Share };
 
 /**
  * @brief Create a SharedEntity.

cpppetsc/src/include/ae108/cpppetsc/TAOSolver.h

@@ -27,6 +27,7 @@
 #include "ae108/cpppetsc/TaggedVector.h"
 #include "ae108/cpppetsc/UniqueEntity.h"
 #include "ae108/cpppetsc/Vector.h"
+#include <cstdint>
 #include <functional>
 #include <optional>
 #include <petscmat.h>
@@ -53,7 +54,7 @@ public:
    */
   explicit TAOSolver(matrix_type bufferMatrix);
 
-  enum class Type {
+  enum class Type : std::uint8_t {
     lmvm,
     nls,
     ntr,

cpppetsc/src/include/ae108/cpppetsc/Viewer.h

@@ -19,6 +19,7 @@
 #pragma once
 
 #include "ae108/cpppetsc/UniqueEntity.h"
+#include <cstdint>
 #include <petscviewer.h>
 #include <petscviewerhdf5.h>
 
@@ -34,7 +35,7 @@ public:
   /**
    * @brief Used to specify the mode a file is opened with.
    */
-  enum class Mode {
+  enum class Mode : std::uint8_t {
     read,
     write,
   };

cppslepc/src/include/ae108/cppslepc/LinearEigenvalueProblemSolver.h

@@ -24,6 +24,7 @@
 #include "ae108/cpppetsc/Vector.h"
 #include "ae108/cppslepc/EigenPair.h"
 #include "ae108/cppslepc/EigenvalueProblemSolverDivergedException.h"
+#include <cstdint>
 #include <slepceps.h>
 
 namespace ae108::cppslepc {
@@ -39,7 +40,7 @@ public:
 
   explicit LinearEigenvalueProblemSolver();
 
-  enum class Type {
+  enum class Type : std::uint8_t {
     hermitian = EPS_HEP,
     nonhermitian = EPS_NHEP,
     generalized_hermitian = EPS_GHEP,
@@ -95,7 +96,7 @@ public:
   [[nodiscard]] EPS data() const;
 
 private:
-  enum class GeneralizedProblem {
+  enum class GeneralizedProblem : std::uint8_t {
     no = 0,
     yes = 1,
   };

elements/src/include/ae108/elements/quadrature/Quadrature.h

@@ -22,11 +22,12 @@
 #include "ae108/elements/tensor/Tensor.h"
 #include <cmath>
 #include <cstddef>
+#include <cstdint>
 #include <numbers>
 
 namespace ae108::elements::quadrature {
 
-enum class QuadratureType { Cube, Simplex };
+enum class QuadratureType : std::uint8_t { Cube, Simplex };
 
 /**
  * @brief Contains a static member "data" that contains the points and weights.