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/*
* Copyright (c) 2020 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_SVEMATH_H
#define ARM_COMPUTE_SVEMATH_H
#if defined(__ARM_FEATURE_SVE)
#include <arm_sve.h>
#include <array>
namespace arm_compute
{
/** Calculate exponent.
*
* @param[in] pg Input reciprocal.
* @param[in] val Input vector value in F32 format.
*
* @return The calculated exponent.
*/
svfloat32_t svexp_f32_z(svbool_t pg, svfloat32_t val);
/** Calculate reciprocal.
*
* @param[in] pg Input reciprocal.
* @param[in] x Input value.
*
* @return The calculated reciprocal.
*/
svfloat32_t svinv_f32_z(svbool_t pg, svfloat32_t x);
/** Calculate logarithm
*
* @param[in] pg Input reciprocal.
* @param[in] x Input vector value in F32 format.
*
* @return The calculated logarithm.
*/
svfloat32_t svlog_f32_z(svbool_t pg, svfloat32_t x);
/** Calculate hyperbolic tangent.
*
* tanh(x) = (e^2x - 1)/(e^2x + 1)
*
* @note We clamp x to [-5,5] to avoid overflowing issues.
*
* @param[in] pg Input reciprocal.
* @param[in] val Input vector value in F32 format.
*
* @return The calculated Hyperbolic Tangent.
*/
svfloat32_t svtanh_f32_z(svbool_t pg, svfloat32_t val);
/** Calculate hyperbolic tangent.
*
* tanh(x) = (e^2x - 1)/(e^2x + 1)
*
* @note We clamp x to [-5,5] to avoid overflowing issues.
*
* @param[in] pg Input reciprocal.
* @param[in] val Input vector value in F16 format.
*
* @return The calculated Hyperbolic Tangent.
*/
svfloat16_t svtanh_f16_z(svbool_t pg, svfloat16_t val);
/** Calculate exponential
*
* @param[in] pg Input reciprocal.
* @param[in] x Input vector value in F16 format.
*
* @return The calculated exponent.
*/
svfloat16_t svexp_f16_z(svbool_t pg, svfloat16_t x);
/** Calculate reciprocal.
*
* @param[in] pg Input reciprocal.
* @param[in] x Input value.
*
* @return The calculated reciprocal.
*/
svfloat16_t svinv_f16_z(svbool_t pg, svfloat16_t x);
/** Calculate logarithm
*
* @param[in] pg Input reciprocal.
* @param[in] x Input vector value in F32 format.
*
* @return The calculated logarithm.
*/
svfloat16_t svlog_f16_z(svbool_t pg, svfloat16_t x);
} // namespace arm_compute
#include "src/core/NEON/SVEMath.inl"
#endif /* defined(__ARM_FEATURE_SVE) */
#endif /* ARM_COMPUTE_SVEMATH_H */
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