1 files changed, 15 insertions, 2 deletions
diff --git a/src/routines/level2/xtrsv.hpp b/src/routines/level2/xtrsv.hpp
index 4a73b5eb..dc3f32f0 100644
--- a/src/routines/level2/xtrsv.hpp
+++ b/src/routines/level2/xtrsv.hpp
@@ -7,7 +7,9 @@
 // Author(s):
 //   Cedric Nugteren <www.cedricnugteren.nl>
 //
-// This file implements the Xtrsv routine.
+// This file implements the Xtrsv routine. It uses a block-algorithm and performs small triangular
+// forward and backward substitutions on the diagonal parts of the matrix in combination with larger
+// GEMV computation on the remainder of the matrix.
 //
 // =================================================================================================
 
@@ -25,9 +27,12 @@ class Xtrsv: public Xgemv<T> {
  public:
 
   // Uses the generic matrix-vector routine
+  using Xgemv<T>::routine_name_;
   using Xgemv<T>::queue_;
   using Xgemv<T>::context_;
-  using Xgemv<T>::MatVec;
+  using Xgemv<T>::device_;
+  using Xgemv<T>::db_;
+  using Xgemv<T>::DoGemv;
 
   // Constructor
   Xtrsv(Queue &queue, EventPointer event, const std::string &name = "TRSV");
@@ -38,6 +43,14 @@ class Xtrsv: public Xgemv<T> {
               const size_t n,
               const Buffer<T> &a_buffer, const size_t a_offset, const size_t a_ld,
               const Buffer<T> &x_buffer, const size_t x_offset, const size_t x_inc);
+
+  // Performs forward or backward substitution on a small triangular matrix
+  void Substitution(const Layout layout, const Triangle triangle,
+                    const Transpose a_transpose, const Diagonal diagonal,
+                    const size_t n,
+                    const Buffer<T> &a_buffer, const size_t a_offset, const size_t a_ld,
+                    const Buffer<T> &b_buffer, const size_t b_offset, const size_t b_inc,
+                    const Buffer<T> &x_buffer, const size_t offset_x, const size_t x_inc);
 };
 
 // =================================================================================================