1d/2d cubic spline interpolator

src/pcms/arrays.h

@@ -41,6 +41,12 @@ using Rank1View = View<1, ElementType, MemorySpace>;
 template <typename ElementType, typename MemorySpace>
 using Rank2View = View<2, ElementType, MemorySpace>;
 
+template <typename ElementType, typename MemorySpace>
+using Rank3View = View<3, ElementType, MemorySpace>;
+
+template <typename ElementType, typename MemorySpace>
+using Rank4View = View<4, ElementType, MemorySpace>;
+
 template <typename MemorySpace>
 using GlobalIDView = Rank1View<GO, MemorySpace>;
 

src/pcms/interpolator/CMakeLists.txt

@@ -10,6 +10,7 @@ set(PCMS_FIELD_TRANSFER_HEADERS
     mls_interpolation.hpp
     pcms_interpolator_view_utils.hpp
     pcms_interpolator_logger.hpp
+    spline_interpolator.hpp
 )
 
 set(PCMS_FIELD_TRANSFER_SOURCES