COMPMID-439: Implement NEON Dequantization Layer.

Change-Id: I2f4f9d0d3437e9d8142f0f82b330233d31ffd552
Reviewed-on: http://mpd-gerrit.cambridge.arm.com/80086
Tested-by: Kaizen <jeremy.johnson+kaizengerrit@arm.com>
Reviewed-by: Anthony Barbier <anthony.barbier@arm.com>

1 files changed, 68 insertions, 0 deletions

diff --git a/arm_compute/core/NEON/kernels/NEDequantizationLayerKernel.h b/arm_compute/core/NEON/kernels/NEDequantizationLayerKernel.h
new file mode 100644
index 0000000000..4b26fd54e0
--- /dev/null
+++ b/arm_compute/core/NEON/kernels/NEDequantizationLayerKernel.h
@@ -0,0 +1,68 @@
+/*
+ * 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_NEDEQUANTIZATIONLAYERKERNEL_H__
+#define __ARM_COMPUTE_NEDEQUANTIZATIONLAYERKERNEL_H__
+
+#include "arm_compute/core/NEON/INEKernel.h"
+
+namespace arm_compute
+{
+class ITensor;
+
+/** Interface for the dequantization layer kernel. */
+class NEDequantizationLayerKernel : public INEKernel
+{
+public:
+    /** Default constructor */
+    NEDequantizationLayerKernel();
+    /** Prevent instances of this class from being copied (As this class contains pointers) */
+    NEDequantizationLayerKernel(const NEDequantizationLayerKernel &) = delete;
+    /** Prevent instances of this class from being copied (As this class contains pointers) */
+    NEDequantizationLayerKernel &operator=(const NEDequantizationLayerKernel &) = delete;
+    /** Default Move Constructor. */
+    NEDequantizationLayerKernel(NEDequantizationLayerKernel &&) = default;
+    /** Default move assignment operator. */
+    NEDequantizationLayerKernel &operator=(NEDequantizationLayerKernel &&) = default;
+    /** Default destructor */
+    ~NEDequantizationLayerKernel() = default;
+    /** Set input, output, min and max.
+     *
+     * @param[in]  input  Source tensor. Data types supported: U8.
+     * @param[out] output Destination tensor. Data types supported: F32.
+     * @param[in]  min    Minimum value of the input tensor.
+     * @param[in]  max    Maximum value of the input tensor.
+     */
+    void configure(const ITensor *input, ITensor *output, const float *min, const float *max);
+
+    // Inherited methods overridden:
+    void run(const Window &window) override;
+
+private:
+    const ITensor *_input;
+    ITensor       *_output;
+    const float   *_min;
+    const float   *_max;
+};
+}
+#endif /*__ARM_COMPUTE_NEDEQUANTIZATIONLAYERKERNEL_H__ */