Renamed all C++ source files to .cpp to match the .hpp extension better

1 files changed, 101 insertions, 0 deletions

diff --git a/src/routines/level1/xscal.cpp b/src/routines/level1/xscal.cpp
new file mode 100644
index 00000000..bcc43c3b
--- /dev/null
+++ b/src/routines/level1/xscal.cpp
@@ -0,0 +1,101 @@
+
+// =================================================================================================
+// 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 the Xscal class (see the header for information about the class).
+//
+// =================================================================================================
+
+#include "routines/level1/xscal.hpp"
+
+#include <string>
+#include <vector>
+
+namespace clblast {
+// =================================================================================================
+
+// Constructor: forwards to base class constructor
+template <typename T>
+Xscal<T>::Xscal(Queue &queue, EventPointer event, const std::string &name):
+    Routine(queue, event, name, {"Xaxpy"}, PrecisionValue<T>()) {
+  source_string_ =
+    #include "../../kernels/level1/level1.opencl"
+    #include "../../kernels/level1/xscal.opencl"
+  ;
+}
+
+// =================================================================================================
+
+// The main routine
+template <typename T>
+StatusCode Xscal<T>::DoScal(const size_t n, const T alpha,
+                            const Buffer<T> &x_buffer, const size_t x_offset, const size_t x_inc) {
+
+  // Makes sure all dimensions are larger than zero
+  if (n == 0) { return StatusCode::kInvalidDimension; }
+
+  // Tests the vector for validity
+  auto status = TestVectorX(n, x_buffer, x_offset, x_inc);
+  if (ErrorIn(status)) { return status; }
+
+  // Determines whether or not the fast-version can be used
+  bool use_fast_kernel = (x_offset == 0) && (x_inc == 1) &&
+                         IsMultiple(n, db_["WGS"]*db_["WPT"]*db_["VW"]);
+
+  // If possible, run the fast-version of the kernel
+  auto kernel_name = (use_fast_kernel) ? "XscalFast" : "Xscal";
+
+  // Retrieves the Xscal kernel from the compiled binary
+  try {
+    const auto program = GetProgramFromCache(context_, PrecisionValue<T>(), routine_name_);
+    auto kernel = Kernel(program, kernel_name);
+
+    // Sets the kernel arguments
+    if (use_fast_kernel) {
+      kernel.SetArgument(0, static_cast<int>(n));
+      kernel.SetArgument(1, alpha);
+      kernel.SetArgument(2, x_buffer());
+    }
+    else {
+      kernel.SetArgument(0, static_cast<int>(n));
+      kernel.SetArgument(1, alpha);
+      kernel.SetArgument(2, x_buffer());
+      kernel.SetArgument(3, static_cast<int>(x_offset));
+      kernel.SetArgument(4, static_cast<int>(x_inc));
+    }
+
+    // Launches the kernel
+    if (use_fast_kernel) {
+      auto global = std::vector<size_t>{CeilDiv(n, db_["WPT"]*db_["VW"])};
+      auto local = std::vector<size_t>{db_["WGS"]};
+      status = RunKernel(kernel, queue_, device_, global, local, event_);
+    }
+    else {
+      auto n_ceiled = Ceil(n, db_["WGS"]*db_["WPT"]);
+      auto global = std::vector<size_t>{n_ceiled/db_["WPT"]};
+      auto local = std::vector<size_t>{db_["WGS"]};
+      status = RunKernel(kernel, queue_, device_, global, local, event_);
+    }
+    if (ErrorIn(status)) { return status; }
+
+    // Succesfully finished the computation
+    return StatusCode::kSuccess;
+  } catch (...) { return StatusCode::kInvalidKernel; }
+}
+
+// =================================================================================================
+
+// Compiles the templated class
+template class Xscal<half>;
+template class Xscal<float>;
+template class Xscal<double>;
+template class Xscal<float2>;
+template class Xscal<double2>;
+
+// =================================================================================================
+} // namespace clblast