Add innerproduct to the pairwise distance api

cpp/CMakeLists.txt

@@ -321,6 +321,8 @@ if(RAFT_COMPILE_DIST_LIBRARY)
     src/distance/distance/specializations/detail/hamming_unexpanded_float_float_float_int.cu
     src/distance/distance/specializations/detail/hellinger_expanded_float_float_float_int.cu
     src/distance/distance/specializations/detail/hellinger_expanded_double_double_double_int.cu
+    src/distance/distance/specializations/detail/inner_product_float_float_float_int.cu
+    src/distance/distance/specializations/detail/inner_product_double_double_double_int.cu
     src/distance/distance/specializations/detail/jensen_shannon_float_float_float_int.cu
     src/distance/distance/specializations/detail/jensen_shannon_double_double_double_int.cu
     src/distance/distance/specializations/detail/kernels/gram_matrix_base_double.cu

cpp/bench/distance/distance_common.cuh

@@ -49,15 +49,15 @@ struct distance : public fixture {
   void run_benchmark(::benchmark::State& state) override
   {
     loop_on_state(state, [this]() {
-      raft::distance::distance<DType, T, T, T>(x.data(),
+      raft::distance::distance<DType, T, T, T>(handle,
+                                               x.data(),
                                                y.data(),
                                                out.data(),
                                                params.m,
                                                params.n,
                                                params.k,
                                                (void*)workspace.data(),
                                                worksize,
-                                               stream,
                                                params.isRowMajor);
     });
   }