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+
+// =================================================================================================
+// This file is part of the CLBlast project. The project is licensed under Apache Version 2.0. This
+// project loosely follows the Google C++ styleguide and uses a tab-size of two spaces and a max-
+// width of 100 characters per line.
+//
+// Author(s):
+//   Cedric Nugteren <www.cedricnugteren.nl>
+//
+// This file implements a class with static methods to describe the Xherk routine. Examples of
+// such 'descriptions' are how to calculate the size a of buffer or how to run the routine. These
+// static methods are used by the correctness tester and the performance tester.
+//
+// =================================================================================================
+
+#ifndef CLBLAST_TEST_ROUTINES_XHERK_H_
+#define CLBLAST_TEST_ROUTINES_XHERK_H_
+
+#include <vector>
+#include <string>
+
+#include "wrapper_clblas.h"
+
+namespace clblast {
+// =================================================================================================
+
+// See comment at top of file for a description of the class
+template <typename T, typename U>
+class TestXherk {
+ public:
+
+  // The list of arguments relevant for this routine
+  static std::vector<std::string> GetOptions() {
+    return {kArgN, kArgK,
+            kArgLayout, kArgTriangle, kArgATransp,
+            kArgALeadDim, kArgCLeadDim,
+            kArgAOffset, kArgCOffset,
+            kArgAlpha, kArgBeta};
+  }
+
+  // Describes how to obtain the sizes of the buffers
+  static size_t GetSizeA(const Arguments<U> &args) {
+    auto a_rotated = (args.layout == Layout::kColMajor && args.a_transpose != Transpose::kNo) ||
+                     (args.layout == Layout::kRowMajor && args.a_transpose == Transpose::kNo);
+    auto a_two = (a_rotated) ? args.n : args.k;
+    return a_two * args.a_ld + args.a_offset;
+  }
+  static size_t GetSizeC(const Arguments<U> &args) {
+    return args.n * args.c_ld + args.c_offset;
+  }
+
+  // Describes how to set the sizes of all the buffers
+  static void SetSizes(Arguments<U> &args) {
+    args.a_size = GetSizeA(args);
+    args.c_size = GetSizeC(args);
+  }
+
+  // Describes what the default values of the leading dimensions of the matrices are
+  static size_t DefaultLDA(const Arguments<U> &args) { return args.k; }
+  static size_t DefaultLDB(const Arguments<U> &) { return 1; } // N/A for this routine
+  static size_t DefaultLDC(const Arguments<U> &args) { return args.n; }
+
+  // Describes how to run the CLBlast routine
+  static StatusCode RunRoutine(const Arguments<U> &args, const Buffers &buffers,
+                               CommandQueue &queue) {
+    auto queue_plain = queue();
+    auto event = cl_event{};
+    auto status = Herk(args.layout, args.triangle, args.a_transpose,
+                       args.n, args.k, args.alpha,
+                       buffers.a_mat(), args.a_offset, args.a_ld, args.beta,
+                       buffers.c_mat(), args.c_offset, args.c_ld,
+                       &queue_plain, &event);
+    clWaitForEvents(1, &event);
+    return status;
+  }
+
+  // Describes how to run the clBLAS routine (for correctness/performance comparison)
+  static StatusCode RunReference(const Arguments<U> &args, const Buffers &buffers,
+                                 CommandQueue &queue) {
+    auto queue_plain = queue();
+    auto event = cl_event{};
+    auto status = clblasXherk(static_cast<clblasOrder>(args.layout),
+                              static_cast<clblasUplo>(args.triangle),
+                              static_cast<clblasTranspose>(args.a_transpose),
+                              args.n, args.k, args.alpha,
+                              buffers.a_mat(), args.a_offset, args.a_ld, args.beta,
+                              buffers.c_mat(), args.c_offset, args.c_ld,
+                              1, &queue_plain, 0, nullptr, &event);
+    clWaitForEvents(1, &event);
+    return static_cast<StatusCode>(status);
+  }
+
+  // Describes how to download the results of the computation (more importantly: which buffer)
+  static std::vector<T> DownloadResult(const Arguments<U> &args, Buffers &buffers,
+                                       CommandQueue &queue) {
+    std::vector<T> result(args.c_size, static_cast<T>(0));
+    buffers.c_mat.ReadBuffer(queue, args.c_size*sizeof(T), result);
+    return result;
+  }
+
+  // Describes how to compute the indices of the result buffer
+  static size_t ResultID1(const Arguments<U> &args) { return args.n; }
+  static size_t ResultID2(const Arguments<U> &args) { return args.n; }
+  static size_t GetResultIndex(const Arguments<U> &args, const size_t id1, const size_t id2) {
+    return id1*args.c_ld + id2 + args.c_offset;
+  }
+
+  // Describes how to compute performance metrics
+  static size_t GetFlops(const Arguments<U> &args) {
+    return args.n * args.n * args.k;
+  }
+  static size_t GetBytes(const Arguments<U> &args) {
+    return (args.n*args.k + args.n*args.n) * sizeof(T);
+  }
+};
+
+// =================================================================================================
+} // namespace clblast
+
+// CLBLAST_TEST_ROUTINES_XHERK_H_
+#endif