Add back RAFT_LOG_TRACE_VEC

cpp/include/raft/core/logger-macros.hpp

@@ -0,0 +1,31 @@
+/*
+ * Copyright (c) 2022-2023, NVIDIA CORPORATION.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#pragma once
+
+#include <sstream>
+
+#if (RAFT_LOG_ACTIVE_LEVEL <= RAFT_LOG_LEVEL_TRACE)
+#define RAFT_LOG_TRACE_VEC(ptr, len)                                               \
+  do {                                                                             \
+    std::stringstream ss;                                                          \
+    ss << raft::detail::format("%s:%d ", __FILE__, __LINE__);                      \
+    print_vector(#ptr, ptr, len, ss);                                              \
+    raft::logger::get(RAFT_NAME).log(RAFT_LEVEL_TRACE, ss.str().c_str());          \
+    RAFT_LOGGER_CALL(raft::default_logger(), raft::level_enum::trace, __VA_ARGS__) \
+  } while (0)
+#else
+#define RAFT_LOG_TRACE_VEC(ptr, len) void(0)
+#endif