| /* |
| * Copyright (c) 2020-2021 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. |
| */ |
| #if defined(__ARM_FEATURE_FP16_VECTOR_ARITHMETIC) && defined(ENABLE_FP16_KERNELS) |
| |
| #include "src/common/utils/Validate.h" |
| #include "src/core/NEON/NEMath.h" |
| |
| #include <arm_neon.h> |
| #include <cmath> |
| #include <cstddef> |
| |
| namespace arm_compute |
| { |
| namespace cpu |
| { |
| constexpr int step = 8; |
| |
| void fp16_neon_floor(const void *src, void *dst, int len) |
| { |
| ARM_COMPUTE_ASSERT_NOT_NULLPTR(src); |
| ARM_COMPUTE_ASSERT_NOT_NULLPTR(dst); |
| ARM_COMPUTE_ASSERT(len >= 0); |
| |
| auto psrc = static_cast<const __fp16 *>(src); |
| auto pdst = static_cast<__fp16 *>(dst); |
| |
| for(; len >= step; len -= step) |
| { |
| vst1q_f16(pdst, vfloorq_f16(vld1q_f16(psrc))); |
| psrc += step; |
| pdst += step; |
| } |
| |
| for(; len > 0; --len) |
| { |
| *pdst = std::floor(*psrc); |
| ++psrc; |
| ++pdst; |
| } |
| } |
| } // namespace cpu |
| } // namespace arm_compute |
| #endif /* defined(__ARM_FEATURE_FP16_VECTOR_ARITHMETIC) && defined(ENABLE_FP16_KERNELS) */ |