IVGCVSW-820: Add QASYMM8 support to NeonActivationLayerKernel

Change-Id: Ic3881e97b4fcbae0ac287a1e010cfc6f0fd8d7d1
Reviewed-on: https://eu-gerrit-1.euhpc.arm.com/112139
Tested-by: BSG Visual Compute Jenkins server to access repositories on http://mpd-gerrit.cambridge.arm.com <bsgcomp@arm.com>
Reviewed-by: Georgios Pinitas <georgios.pinitas@arm.com>

1 files changed, 46 insertions, 0 deletions

diff --git a/arm_compute/core/Rounding.h b/arm_compute/core/Rounding.h
new file mode 100644
index 0000000000..f95058c567
--- /dev/null
+++ b/arm_compute/core/Rounding.h
@@ -0,0 +1,46 @@
+/*
+ * 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_ROUNDING_H__
+#define __ARM_COMPUTE_ROUNDING_H__
+
+namespace arm_compute
+{
+/** Rounding method */
+enum class RoundingPolicy
+{
+    TO_ZERO,         /**< Truncates the least significand values that are lost in operations. */
+    TO_NEAREST_UP,   /**< Rounds to nearest value; half rounds away from zero */
+    TO_NEAREST_EVEN, /**< Rounds to nearest value; half rounds to nearest even */
+};
+
+/** Return a rounded value of x. Rounding is done according to the rounding_policy.
+ *
+ * @param[in] x               Float value to be rounded.
+ * @param[in] rounding_policy Policy determining how rounding is done.
+ *
+ * @return Rounded value of the argument x.
+ */
+int round(float x, RoundingPolicy rounding_policy);
+}
+#endif /*__ARM_COMPUTE_ROUNDING_H__ */