[dnn] added Triton-C derivative computations in conv

examples/cpp/conv.cpp

@@ -10,7 +10,7 @@ int main() {
   // initialize default compute device
   auto context = triton::driver::backend::contexts::get_default();
   triton::jit jit(context);
-  triton::dnn::conv::type ty = triton::dnn::conv::WGRAD;
+  triton::dnn::conv::type ty = triton::dnn::conv::FPROP;
   // initialization
   int32_t B = 4, NF = 32;
   int32_t D = 1, H = 24, W = 240;
@@ -77,7 +77,7 @@ int main() {
     if(std::abs(hc[i] - rc[i])/std::max(hc[i], rc[i]) > 1e-4){
       std::cout << i << " " << hc[i] << " " << rc[i] << std::endl;
       exit(EXIT_FAILURE);
-    }      
+    }
   }
   std::cout << "Pass!" << std::endl;
 }