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author | Michel Iwaniec <michel.iwaniec@arm.com> | 2017-11-29 10:48:23 +0000 |
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committer | Anthony Barbier <anthony.barbier@arm.com> | 2018-11-02 16:42:17 +0000 |
commit | 5dfeae62f89eefdc241887c3e67cd1c04ec0b6a7 (patch) | |
tree | d6b5d40353aa68aeda803c809812fd6e208c3e7f /arm_compute/core/QAsymm8.inl | |
parent | 7f0f790ae7f5dd044a5d7564492583b8df974a11 (diff) | |
download | ComputeLibrary-5dfeae62f89eefdc241887c3e67cd1c04ec0b6a7.tar.gz |
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>
Diffstat (limited to 'arm_compute/core/QAsymm8.inl')
-rw-r--r-- | arm_compute/core/QAsymm8.inl | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/arm_compute/core/QAsymm8.inl b/arm_compute/core/QAsymm8.inl new file mode 100644 index 0000000000..611d68eb23 --- /dev/null +++ b/arm_compute/core/QAsymm8.inl @@ -0,0 +1,41 @@ +/* + * 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. + */ +#include <cmath> +#include <limits> + +namespace arm_compute +{ +inline qasymm8_t sqcvt_qasymm8_f32(float value, float scale, int offset, RoundingPolicy rounding_policy = RoundingPolicy::TO_NEAREST_UP) +{ + int quantized = arm_compute::round(value / scale, rounding_policy) + offset; + quantized = std::max(0, std::min(quantized, 255)); + return quantized; +} + +inline float scvt_f32_qasymm8(qasymm8_t value, float scale, int offset) +{ + float dequantized = (static_cast<int>(value) - offset) * scale; + return dequantized; +} +} |