commented kernel classes

code/include/kernels/isotropic.h

+/*!
+ * @file isotropic1D.h
+ * @brief Class for computing an isotropic scattering kernel of kinetic equations
+ * @author ?
+ */
+
 #ifndef ISOTROPIC_H
 #define ISOTROPIC_H
 

code/include/kernels/isotropic1D.h

+/*!
+ * @file isotropic1D.h
+ * @brief Class for computing an isotropic scattering kernel of 1D kinetic equations
+ * @author ?
+ */
+
 #ifndef ISOTROPIC1D_H
 #define ISOTROPIC1D_H
 

code/include/kernels/scatteringkernelbase.h

+/*!
+ * @file scatteringkernelbase.h
+ * @brief Base class for computing the scattering kernel of kinetic equations
+ * @author ?
+ */
+
 #ifndef SCATTERINGKERNELBASE_CPP
 #define SCATTERINGKERNELBASE_CPP
 
@@ -13,14 +19,19 @@ class ScatteringKernel
     ScatteringKernel() = delete;
 
   protected:
-    QuadratureBase* _quad;
+    QuadratureBase* _quad; /*! @brief: Pointer to the quadrature used to compute the scattering integral */
 
   public:
+    /*! @brief: Copies the pointer of quad. Does not create an own quad */
     ScatteringKernel( QuadratureBase* quad );
+
     virtual ~ScatteringKernel();
 
+    /*! @brief: Computes the scattering kernel and for the whole SN system and stores it in a Matrix
+        @return: Matrix with discretized scattering kernel */
     virtual Matrix GetScatteringKernel() = 0;
 
+    /*! @brief: Creates an object of the child class of ScatteringKernelBase corresponding to the enum KERNEL_NAME */
     static ScatteringKernel* CreateScatteringKernel( KERNEL_NAME name, QuadratureBase* quad );
 };