Added a C interface to the OverrideParameters function; added some in-line comments to the API

2 files changed, 22 insertions, 0 deletions

diff --git a/src/clblast.cpp b/src/clblast.cpp
index 871a4804..a8e4d084 100644
--- a/src/clblast.cpp
+++ b/src/clblast.cpp
@@ -2255,6 +2255,7 @@ StatusCode FillCache(const cl_device_id device) {
 
 // =================================================================================================
 
+// Overrides the tuning parameters for this device-precision-kernel combination
 StatusCode OverrideParameters(const cl_device_id device, const std::string &kernel_name,
                               const Precision precision,
                               const std::unordered_map<std::string,size_t> &parameters) {
diff --git a/src/clblast_c.cpp b/src/clblast_c.cpp
index e4f2b3ed..79b6a640 100644
--- a/src/clblast_c.cpp
+++ b/src/clblast_c.cpp
@@ -12,6 +12,7 @@
 // =================================================================================================
 
 #include <string>
+#include <unordered_map>
 
 #include "utilities/utilities.hpp"
 #include "clblast_c.h"
@@ -3484,3 +3485,23 @@ CLBlastStatusCode CLBlastFillCache(const cl_device_id device) {
 }
 
 // =================================================================================================
+
+// Overrides the tuning parameters for this device-precision-kernel combination
+CLBlastStatusCode PUBLIC_API OverrideParameters(const cl_device_id device, const char* kernel_name,
+                                                const CLBlastPrecision precision, const size_t num_parameters,
+                                                const char** parameters_names, const size_t* parameters_values) {
+  try {
+    const auto kernel_name_cpp = std::string(kernel_name);
+    const auto precision_cpp = static_cast<clblast::Precision>(precision);
+    auto parameters = std::unordered_map<std::string, size_t>();
+    for (auto i = size_t{0}; i < num_parameters; ++i) {
+      const auto parameter_name = std::string(parameters_names[i]);
+      const auto parameter_value = parameters_values[i];
+      parameters[parameter_name] = parameter_value;
+    }
+    const auto status = clblast::OverrideParameters(device, kernel_name_cpp, precision_cpp, parameters);
+    return static_cast<CLBlastStatusCode>(status);
+  } catch (...) { return static_cast<CLBlastStatusCode>(clblast::DispatchExceptionForC()); }
+}
+
+// =================================================================================================