diff --git a/org/qmckl_sherman_morrison_woodbury.org b/org/qmckl_sherman_morrison_woodbury.org
index 3813d04..261df07 100644
--- a/org/qmckl_sherman_morrison_woodbury.org
+++ b/org/qmckl_sherman_morrison_woodbury.org
@@ -561,7 +561,7 @@ qmckl_exit_code qmckl_sherman_morrison_naive(const qmckl_context context,
       <<naive_switch-case_generator()>>
     }
   }
-  else { // When SIMD_LENGTH > 1, called with LDS == Dim AND Dim != (1+(Dim-1)/SIMD_LENGTH)*SIMD_LENGTH)
+  else { // Updating smaller sub-matrix
     return qmckl_sherman_morrison_naive_hpc(context,
                                       LDS,
                                       Dim,
@@ -1070,7 +1070,7 @@ static inline qmckl_exit_code qmckl_slagel_splitting_{Dim}(
 #+end_src
 
 #+NAME:slagel_splitting_kernel_generator
-#+begin_src python :noweb yes :exports none
+#+begin_src python :noweb yes
 text="""
 <<slagel_splitting_template_code>>
 """
@@ -1083,7 +1083,7 @@ return '\n'.join(result)
 #+end_src
 
 #+NAME:slagel_splitting_switch-case_generator
-#+begin_src python :noweb yes :exports none
+#+begin_src python :noweb yes
 text="""
 case {Dim}:  
   return qmckl_slagel_splitting_{Dim}(
@@ -1123,12 +1123,13 @@ qmckl_exit_code qmckl_slagel_splitting(
                       uint64_t* later,
                       double* determinant) {
 
+  #ifdef HAVE_HPC
   if (LDS == (1+(Dim-1)/SIMD_LENGTH)*SIMD_LENGTH) { // Most cases
     switch (Dim) {
       <<slagel_splitting_switch-case_generator()>>
     }
   }
-  else { // When SIMD_LENGTH > 1, called with LDS == Dim AND Dim != (1+(Dim-1)/SIMD_LENGTH)*SIMD_LENGTH)
+  else { // Updating smaller sub-matrix
     return qmckl_slagel_splitting_hpc(
                   LDS,
                   Dim,
@@ -1142,7 +1143,33 @@ qmckl_exit_code qmckl_slagel_splitting(
                   later,
                   determinant);
   }
-  
+  #else
+  // return qmckl_slagel_splitting_doc(
+  //               LDS,
+  //               Dim,
+  //               N_updates,
+  //               Updates,
+  //               Updates_index,
+  //               breakdown,
+  //               Slater_inv,
+  //               later_updates,
+  //               later_index,
+  //               later,
+  //               determinant);
+  return qmckl_slagel_splitting_hpc(
+                LDS,
+                Dim,
+                N_updates,
+                Updates,
+                Updates_index,
+                breakdown,
+                Slater_inv,
+                later_updates,
+                later_index,
+                later,
+                determinant);
+  #endif
+
   return QMCKL_FAILURE;
 }
 #+end_src