COMPMID-617: Adds validation to CLPoolingLayer

Change-Id: Ied405a9c0e9746598d03ac6a944ad87e9b6494eb
Reviewed-on: http://mpd-gerrit.cambridge.arm.com/93680
Tested-by: Kaizen <jeremy.johnson+kaizengerrit@arm.com>
Reviewed-by: Anthony Barbier <anthony.barbier@arm.com>
diff --git a/arm_compute/core/Log.h b/arm_compute/core/Log.h
new file mode 100644
index 0000000..488c8e6
--- /dev/null
+++ b/arm_compute/core/Log.h
@@ -0,0 +1,95 @@
+/*
+ * Copyright (c) 2017 ARM Limited.
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#ifndef __ARM_COMPUTE_LOG_H__
+#define __ARM_COMPUTE_LOG_H__
+
+#include "arm_compute/core/utils/logging/Macros.h"
+
+/** Create a default core logger
+ *
+ * @note It will eventually create all default loggers in don't exist
+ */
+#define ARM_COMPUTE_CREATE_DEFAULT_CORE_LOGGER()                                   \
+    do                                                                             \
+    {                                                                              \
+        if(arm_compute::logging::LoggerRegistry::get().logger("CORE") == nullptr)  \
+        {                                                                          \
+            arm_compute::logging::LoggerRegistry::get().create_reserved_loggers(); \
+        }                                                                          \
+    } while(false)
+
+/** Log a message to the core system logger
+ *
+ * @param[in] log_level Logging level
+ * @param[in] msg       Message to log
+ */
+#define ARM_COMPUTE_LOG_MSG_CORE(log_level, msg) \
+    ARM_COMPUTE_CREATE_DEFAULT_CORE_LOGGER();    \
+    ARM_COMPUTE_LOG_MSG("CORE", log_level, msg)
+
+/** Log a message with format to the core system logger
+ *
+ * @param[in] log_level Logging level
+ * @param[in] fmt       String format (printf style)
+ * @param[in] ...       Message arguments
+ */
+#define ARM_COMPUTE_LOG_MSG_WITH_FORMAT_CORE(log_level, fmt, ...) \
+    ARM_COMPUTE_CREATE_DEFAULT_CORE_LOGGER();                     \
+    ARM_COMPUTE_LOG_MSG_WITH_FORMAT("CORE", log_level, fmt, __VA_ARGS__)
+
+/** Log a stream to the core system logger
+ *
+ * @param[in] log_level Logging level
+ * @param[in] ss        Stream to log
+ */
+#define ARM_COMPUTE_LOG_STREAM_CORE(log_level, ss) \
+    ARM_COMPUTE_CREATE_DEFAULT_CORE_LOGGER();      \
+    ARM_COMPUTE_LOG_STREAM("CORE", log_level, ss)
+
+/** Log information level message to the core system logger
+ *
+ * @param[in] msg Stream to log
+ */
+#define ARM_COMPUTE_LOG_INFO_MSG_CORE(msg)    \
+    ARM_COMPUTE_CREATE_DEFAULT_CORE_LOGGER(); \
+    ARM_COMPUTE_LOG_MSG_CORE(arm_compute::logging::LogLevel::INFO, msg)
+
+/** Log information level formatted message to the core system logger
+ *
+ * @param[in] fmt String format (printf style)
+ * @param[in] ... Message arguments
+ */
+#define ARM_COMPUTE_LOG_INFO_MSG_WITH_FORMAT_CORE(fmt, ...) \
+    ARM_COMPUTE_CREATE_DEFAULT_CORE_LOGGER();               \
+    ARM_COMPUTE_LOG_MSG_WITH_FORMAT_CORE(arm_compute::logging::LogLevel::INFO, msg)
+
+/** Log information level stream to the core system logger
+ *
+ * @param[in] ss Message to log
+ */
+#define ARM_COMPUTE_LOG_INFO_STREAM_CORE(ss)  \
+    ARM_COMPUTE_CREATE_DEFAULT_CORE_LOGGER(); \
+    ARM_COMPUTE_LOG_STREAM_CORE(arm_compute::logging::LogLevel::INFO, ss)
+
+#endif /* __ARM_COMPUTE_LOGGING_MACROS_H__ */