2 /* ----------------------------------------------------------------------
5  * Description:  Jensen-Shannon distance between two vectors
10  * Target Processor: Cortex-M and Cortex-A cores
11  * -------------------------------------------------------------------- */
13  * Copyright (C) 2010-2021 ARM Limited or its affiliates. All rights reserved.
15  * SPDX-License-Identifier: Apache-2.0
21  * www.apache.org/licenses/LICENSE-2.0
58     f32x4_t         a, b, t, tmpV, accumV;  in arm_jensenshannon_distance_f32()  local
67         t = vaddq(a, b);  in arm_jensenshannon_distance_f32()
68         t = vmulq(t, 0.5f);  in arm_jensenshannon_distance_f32()
70         tmpV = vmulq(a, vrecip_medprec_f32(t));  in arm_jensenshannon_distance_f32()
74         tmpV = vmulq_f32(b, vrecip_medprec_f32(t));  in arm_jensenshannon_distance_f32()
80         blkCnt--;  in arm_jensenshannon_distance_f32()
94         t = vaddq(a, b);  in arm_jensenshannon_distance_f32()
95         t = vmulq(t, 0.5f);  in arm_jensenshannon_distance_f32()
97         tmpV = vmulq_f32(a, vrecip_medprec_f32(t));  in arm_jensenshannon_distance_f32()
101         tmpV = vmulq_f32(b, vrecip_medprec_f32(t));  in arm_jensenshannon_distance_f32()
119  * @brief        Jensen-Shannon distance between two vectors
143     float32x4_t aV,bV,t, tmpV, accumV;  in arm_jensenshannon_distance_f32()  local
154       t = vaddq_f32(aV,bV);  in arm_jensenshannon_distance_f32()
155       t = vmulq_n_f32(t, 0.5f);  in arm_jensenshannon_distance_f32()
157       tmpV = vmulq_f32(aV, vinvq_f32(t));  in arm_jensenshannon_distance_f32()
162       tmpV = vmulq_f32(bV, vinvq_f32(t));  in arm_jensenshannon_distance_f32()
170       blkCnt --;  in arm_jensenshannon_distance_f32()
188       blkCnt --;  in arm_jensenshannon_distance_f32()
201  * @brief        Jensen-Shannon distance between two vectors