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Diffstat (limited to 'arm_compute/core/NEON/NEAsymm.h')
-rw-r--r-- | arm_compute/core/NEON/NEAsymm.h | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/arm_compute/core/NEON/NEAsymm.h b/arm_compute/core/NEON/NEAsymm.h new file mode 100644 index 0000000000..d227d3ccbe --- /dev/null +++ b/arm_compute/core/NEON/NEAsymm.h @@ -0,0 +1,43 @@ +/* + * 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_NEASYMM_H__ +#define __ARM_COMPUTE_NEASYMM_H__ + +#include <arm_neon.h> + +namespace arm_compute +{ +/** Round to the nearest division by a power-of-two using exponent + * + * @note This function calculates the following expression: (x + 2^n -1 ) / 2^n where n = exponent + * + * @param[in] x Vector of 4 elements + * @param[in] exponent Integer value used to round to nearest division by a power-of-two + * + * @return the nearest division by a power-of-two using exponent + */ +int32x4_t rounding_divide_by_pow2(int32x4_t x, int exponent); +} // namespace arm_compute +#include "arm_compute/core/NEON/NEAsymm.inl" +#endif // __ARM_COMPUTE_NEASYMM_H__
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