Vector Optimized Library of Kernels 3.2.0
Architecture-tuned implementations of math kernels
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volk_32fc_s32f_power_32fc.h
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1/* -*- c++ -*- */
2/*
3 * Copyright 2012, 2014 Free Software Foundation, Inc.
4 *
5 * This file is part of VOLK
6 *
7 * SPDX-License-Identifier: LGPL-3.0-or-later
8 */
9
41
42#ifndef INCLUDED_volk_32fc_s32f_power_32fc_a_H
43#define INCLUDED_volk_32fc_s32f_power_32fc_a_H
44
45#include <inttypes.h>
46#include <math.h>
47#include <stdio.h>
48
51 const float power)
52{
53 const float arg = power * atan2f(lv_creal(exp), lv_cimag(exp));
54 const float mag =
55 powf(lv_creal(exp) * lv_creal(exp) + lv_cimag(exp) * lv_cimag(exp), power / 2);
56 return mag * lv_cmake(-cosf(arg), sinf(arg));
57}
58
59#ifdef LV_HAVE_GENERIC
60
61static inline void volk_32fc_s32f_power_32fc_generic(lv_32fc_t* cVector,
62 const lv_32fc_t* aVector,
63 const float power,
64 unsigned int num_points)
65{
66 lv_32fc_t* cPtr = cVector;
67 const lv_32fc_t* aPtr = aVector;
68 unsigned int number = 0;
69
70 for (number = 0; number < num_points; number++) {
71 *cPtr++ = __volk_s32fc_s32f_power_s32fc_a((*aPtr++), power);
72 }
73}
74
75#endif /* LV_HAVE_GENERIC */
76
77
78#endif /* INCLUDED_volk_32fc_s32f_power_32fc_a_H */
static void volk_32fc_s32f_power_32fc_generic(lv_32fc_t *cVector, const lv_32fc_t *aVector, const float power, unsigned int num_points)
Definition volk_32fc_s32f_power_32fc.h:61
static lv_32fc_t __volk_s32fc_s32f_power_s32fc_a(const lv_32fc_t exp, const float power)
raise a complex float to a real float power
Definition volk_32fc_s32f_power_32fc.h:50
#define lv_cimag(x)
Definition volk_complex.h:98
#define lv_cmake(r, i)
Definition volk_complex.h:77
#define lv_creal(x)
Definition volk_complex.h:96
float complex lv_32fc_t
Definition volk_complex.h:74