Paparazzi UAS v7.0_unstable
Paparazzi is a free software Unmanned Aircraft System.
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pprz_stat.h
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1/*
2 * Copyright (C) 2012 Gautier Hattenberger (ENAC), 2017 Kirk Scheper
3 *
4 * This file is part of paparazzi.
5 *
6 * paparazzi is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2, or (at your option)
9 * any later version.
10 *
11 * paparazzi is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
15 *
16 * You should have received a copy of the GNU General Public License
17 * along with paparazzi; see the file COPYING. If not, see
18 * <http://www.gnu.org/licenses/>.
19 */
20
27#ifndef PPRZ_STAT_H
28#define PPRZ_STAT_H
29
30#ifdef __cplusplus
31extern "C" {
32#endif
33
34#include "std.h"
35
42extern int32_t mean_i(int32_t *array, uint32_t n_elements);
43
53extern int32_t variance_i(int32_t *array, uint32_t n_elements);
54
64extern int32_t covariance_i(int32_t *array1, int32_t *array2, uint32_t n_elements);
65
66
72extern float sum_f(float *array, uint32_t n_elements);
73
79extern float mean_f(float *arr, uint32_t n_elements);
80
89extern float variance_f(float *array, uint32_t n_elements);
90
99extern float covariance_f(float *array1, float *array2, uint32_t n_elements);
100
101#ifdef __cplusplus
102} /* extern "C" */
103#endif
104
105#endif /* PPRZ_STAT_H */
foo
uint16_t foo
Definition main_demo5.c:58
sum_f
float sum_f(float *array, uint32_t n_elements)
Compute the sum array elements.
Definition pprz_stat.c:106
variance_i
int32_t variance_i(int32_t *array, uint32_t n_elements)
Compute the variance of an array of values (integer).
Definition pprz_stat.c:64
mean_f
float mean_f(float *arr, uint32_t n_elements)
Compute the mean value of an array (float)
Definition pprz_stat.c:122
covariance_i
int32_t covariance_i(int32_t *array1, int32_t *array2, uint32_t n_elements)
Compute the covariance of two arrays V(X) = E[(X-E[X])(Y-E[Y])] = E[XY] - E[X]E[Y] where E[X] is the ...
Definition pprz_stat.c:78
mean_i
int32_t mean_i(int32_t *array, uint32_t n_elements)
Compute the mean value of an array This is implemented using floats to handle scaling of all variable...
Definition pprz_stat.c:39
covariance_f
float covariance_f(float *array1, float *array2, uint32_t n_elements)
Compute the covariance of two arrays V(X) = E[(X-E[X])(Y-E[Y])] = E[XY] - E[X]E[Y] where E[X] is the ...
Definition pprz_stat.c:152
variance_f
float variance_f(float *array, uint32_t n_elements)
Compute the variance of an array of values (float).
Definition pprz_stat.c:139
array
int * array
Definition snake_gate_detection.c:94
int32_t
int int32_t
Typedef defining 32 bit int type.
Definition vl53l1_types.h:83
uint32_t
unsigned int uint32_t
Typedef defining 32 bit unsigned int type.
Definition vl53l1_types.h:78