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Hey-Edge / edge-impulse-sdk /CMSIS /DSP /Include /arm_sorting.h
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/******************************************************************************
* @file arm_sorting.h
* @brief Private header file for CMSIS DSP Library
* @version V1.7.0
* @date 2019
******************************************************************************/
/*
* Copyright (c) 2010-2019 Arm Limited or its affiliates. All rights reserved.
*
* SPDX-License-Identifier: Apache-2.0
*
* Licensed under the Apache License, Version 2.0 (the License); you may
* not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an AS IS BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef _ARM_SORTING_H_
#define _ARM_SORTING_H_
#include "edge-impulse-sdk/CMSIS/DSP/Include/arm_math.h"
#ifdef __cplusplus
extern "C"
{
#endif
/**
* @param[in] S points to an instance of the sorting structure.
* @param[in] pSrc points to the block of input data.
* @param[out] pDst points to the block of output data.
* @param[in] blockSize number of samples to process.
*/
void arm_bubble_sort_f32(
const arm_sort_instance_f32 * S,
float32_t * pSrc,
float32_t * pDst,
uint32_t blockSize);
/**
* @param[in] S points to an instance of the sorting structure.
* @param[in] pSrc points to the block of input data.
* @param[out] pDst points to the block of output data.
* @param[in] blockSize number of samples to process.
*/
void arm_heap_sort_f32(
const arm_sort_instance_f32 * S,
float32_t * pSrc,
float32_t * pDst,
uint32_t blockSize);
/**
* @param[in] S points to an instance of the sorting structure.
* @param[in] pSrc points to the block of input data.
* @param[out] pDst points to the block of output data.
* @param[in] blockSize number of samples to process.
*/
void arm_insertion_sort_f32(
const arm_sort_instance_f32 * S,
float32_t *pSrc,
float32_t* pDst,
uint32_t blockSize);
/**
* @param[in] S points to an instance of the sorting structure.
* @param[in] pSrc points to the block of input data.
* @param[out] pDst points to the block of output data
* @param[in] blockSize number of samples to process.
*/
void arm_quick_sort_f32(
const arm_sort_instance_f32 * S,
float32_t * pSrc,
float32_t * pDst,
uint32_t blockSize);
/**
* @param[in] S points to an instance of the sorting structure.
* @param[in] pSrc points to the block of input data.
* @param[out] pDst points to the block of output data
* @param[in] blockSize number of samples to process.
*/
void arm_selection_sort_f32(
const arm_sort_instance_f32 * S,
float32_t * pSrc,
float32_t * pDst,
uint32_t blockSize);
/**
* @param[in] S points to an instance of the sorting structure.
* @param[in] pSrc points to the block of input data.
* @param[out] pDst points to the block of output data
* @param[in] blockSize number of samples to process.
*/
void arm_bitonic_sort_f32(
const arm_sort_instance_f32 * S,
float32_t * pSrc,
float32_t * pDst,
uint32_t blockSize);
#if defined(ARM_MATH_NEON)
#define vtrn256_128q(a, b) \
do { \
float32x4_t vtrn128_temp = a.val[1]; \
a.val[1] = b.val[0]; \
b.val[0] = vtrn128_temp ; \
} while (0)
#define vtrn128_64q(a, b) \
do { \
float32x2_t ab, cd, ef, gh; \
ab = vget_low_f32(a); \
ef = vget_low_f32(b); \
cd = vget_high_f32(a); \
gh = vget_high_f32(b); \
a = vcombine_f32(ab, ef); \
b = vcombine_f32(cd, gh); \
} while (0)
#define vtrn256_64q(a, b) \
do { \
float32x2_t a_0, a_1, a_2, a_3; \
float32x2_t b_0, b_1, b_2, b_3; \
a_0 = vget_low_f32(a.val[0]); \
a_1 = vget_high_f32(a.val[0]); \
a_2 = vget_low_f32(a.val[1]); \
a_3 = vget_high_f32(a.val[1]); \
b_0 = vget_low_f32(b.val[0]); \
b_1 = vget_high_f32(b.val[0]); \
b_2 = vget_low_f32(b.val[1]); \
b_3 = vget_high_f32(b.val[1]); \
a.val[0] = vcombine_f32(a_0, b_0); \
a.val[1] = vcombine_f32(a_2, b_2); \
b.val[0] = vcombine_f32(a_1, b_1); \
b.val[1] = vcombine_f32(a_3, b_3); \
} while (0)
#define vtrn128_32q(a, b) \
do { \
float32x4x2_t vtrn32_tmp = vtrnq_f32((a), (b)); \
(a) = vtrn32_tmp.val[0]; \
(b) = vtrn32_tmp.val[1]; \
} while (0)
#define vtrn256_32q(a, b) \
do { \
float32x4x2_t vtrn32_tmp_1 = vtrnq_f32((a.val[0]), (b.val[0])); \
float32x4x2_t vtrn32_tmp_2 = vtrnq_f32((a.val[1]), (b.val[1])); \
a.val[0] = vtrn32_tmp_1.val[0]; \
a.val[1] = vtrn32_tmp_2.val[0]; \
b.val[0] = vtrn32_tmp_1.val[1]; \
b.val[1] = vtrn32_tmp_2.val[1]; \
} while (0)
#define vminmaxq(a, b) \
do { \
float32x4_t minmax_tmp = (a); \
(a) = vminq_f32((a), (b)); \
(b) = vmaxq_f32(minmax_tmp, (b)); \
} while (0)
#define vminmax256q(a, b) \
do { \
float32x4x2_t minmax256_tmp = (a); \
a.val[0] = vminq_f32(a.val[0], b.val[0]); \
a.val[1] = vminq_f32(a.val[1], b.val[1]); \
b.val[0] = vmaxq_f32(minmax256_tmp.val[0], b.val[0]); \
b.val[1] = vmaxq_f32(minmax256_tmp.val[1], b.val[1]); \
} while (0)
#define vrev128q_f32(a) \
vcombine_f32(vrev64_f32(vget_high_f32(a)), vrev64_f32(vget_low_f32(a)))
#define vrev256q_f32(a) \
do { \
float32x4_t rev_tmp = vcombine_f32(vrev64_f32(vget_high_f32(a.val[0])), vrev64_f32(vget_low_f32(a.val[0]))); \
a.val[0] = vcombine_f32(vrev64_f32(vget_high_f32(a.val[1])), vrev64_f32(vget_low_f32(a.val[1]))); \
a.val[1] = rev_tmp; \
} while (0)
#define vldrev128q_f32(a, p) \
do { \
a = vld1q_f32(p); \
a = vrev128q_f32(a); \
} while (0)
#endif /* ARM_MATH_NEON */
#ifdef __cplusplus
}
#endif
#endif /* _ARM_SORTING_H */