COMPMID-2252 NECast.

Change-Id: I7532aea6827a325eb8457132d4787ac527e93cd4
Signed-off-by: Usama Arif <usama.arif@arm.com>
Reviewed-on: https://review.mlplatform.org/c/1149
Reviewed-by: Pablo Marquez <pablo.tello@arm.com>
Comments-Addressed: Arm Jenkins <bsgcomp@arm.com>
Tested-by: Arm Jenkins <bsgcomp@arm.com>
Reviewed-by: Georgios Pinitas <georgios.pinitas@arm.com>

2 files changed, 71 insertions, 0 deletions

diff --git a/arm_compute/runtime/NEON/NEFunctions.h b/arm_compute/runtime/NEON/NEFunctions.h
index 0d94ea78fc..9094ee4bdf 100644
--- a/arm_compute/runtime/NEON/NEFunctions.h
+++ b/arm_compute/runtime/NEON/NEFunctions.h
@@ -39,6 +39,7 @@
 #include "arm_compute/runtime/NEON/functions/NEBitwiseXor.h"
 #include "arm_compute/runtime/NEON/functions/NEBox3x3.h"
 #include "arm_compute/runtime/NEON/functions/NECannyEdge.h"
+#include "arm_compute/runtime/NEON/functions/NECast.h"
 #include "arm_compute/runtime/NEON/functions/NEChannelCombine.h"
 #include "arm_compute/runtime/NEON/functions/NEChannelExtract.h"
 #include "arm_compute/runtime/NEON/functions/NEChannelShuffleLayer.h"
diff --git a/arm_compute/runtime/NEON/functions/NECast.h b/arm_compute/runtime/NEON/functions/NECast.h
new file mode 100644
index 0000000000..5d09bf757f
--- /dev/null
+++ b/arm_compute/runtime/NEON/functions/NECast.h
@@ -0,0 +1,70 @@
+/*
+ * Copyright (c) 2019 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_NECAST_H__
+#define __ARM_COMPUTE_NECAST_H__
+
+#include "arm_compute/core/Types.h"
+#include "arm_compute/runtime/NEON/INESimpleFunction.h"
+
+namespace arm_compute
+{
+class ITensor;
+
+/** Basic function to run @ref NEDepthConvertLayerKernel.
+ * This function ignores the scale and zeroPoint of quanized tensors,so QASYMM8 input is treated as uint8 values.
+ */
+class NECast : public INESimpleFunction
+{
+public:
+    /** Initialize the function's source, destination
+     *
+     * Input data type must be different than output data type.
+     *
+     * Valid conversions Input -> Output :
+     *
+     *   - QASYMM8 -> U16, S16, S32, F32, F16
+     *   - U8 -> U16, S16, S32, F32, F16
+     *   - U16 -> U8, U32
+     *   - S16 -> U8, S32
+     *   - F16 -> QASYMM8, F32, S32, U8
+     *   - S32 -> QASYMM8, F16, F32, U8
+     *   - F32 -> QASYMM8, F16, S32, U8
+     *
+     * @param[in]  input  The input tensor to convert. Data types supported: QASYMM8, U8, U16, S16, F16, S32, F32.
+     * @param[out] output The output tensor. Data types supported: S8/U16/S16/U32/S32/F16/F32.
+     * @param[in]  policy Conversion policy.
+     */
+    void configure(ITensor *input, ITensor *output, ConvertPolicy policy);
+    /** Static function to check if given info will lead to a valid configuration of @ref NECast
+     *
+     * @param[in] input  Source tensor info. Data types supported: QASYMM8, U8, U16, S16, F16, S32, F32.
+     * @param[in] output Destination tensor info. Data type supported: S8/U16/S16/U32/S32/F16/F32.
+     * @param[in] policy Conversion policy.
+     *
+     * @return a status
+     */
+    static Status validate(ITensorInfo *input, ITensorInfo *output, ConvertPolicy policy);
+};
+} // namespace arm_compute
+#endif /*__ARM_COMPUTE_NECAST_H__*/