142 lines
4.3 KiB
C
142 lines
4.3 KiB
C
#ifndef _PDR_UTIL_H_
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#define _PDR_UTIL_H_
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#ifdef __cplusplus
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extern "C" {
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#endif
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#include <stdio.h>
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#define TRAJ_POINT_COUNT 1000
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#define MIN_POINT_COUNT 15
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#define OPT_TRAJ_TIMEOUT 1000
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#define FALIED_LINE 0
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#define IN_LINE 1
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#define CLOSE_START 2
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#define CLOSE_END 3
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typedef struct LatLng{
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double lat;
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double lon;
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} LatLng_t;
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typedef struct TrajSign
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{
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int count;
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double lastTime;
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double weight;
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double yaw[TRAJ_POINT_COUNT];
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double error[TRAJ_POINT_COUNT];
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double points[TRAJ_POINT_COUNT][2];
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}TrajSign;
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/**地球相关参数*******************************************************************/
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typedef struct
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{
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double rmh; /* 子午圈曲率半径 */
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double rnh; /* 卯酉圈曲率半径 */
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double grav; /* 当地重力加速度 */
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double lat; /* 当地纬度（rad）*/
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double wnie[3]; /* 地理系相对惯性系的角速度在导航系分量 */
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} EarthData_t;
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/**----------------------------------------------------------------------
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* Function : mean
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* Description : 对输入double数组求均值
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* Review : 求均值过程每次都做除法，有优化空间，可以针对求解均值的数值大小采用
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* 不同函数
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* Date : 2020/7/4 logzhan
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*---------------------------------------------------------------------**/
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double mean(double *x, int n);
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float fmean(float *data, int len);
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float stdf(float* data, int len);
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double meanAngle(double* angle, int len);
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void modAngle(double * angle, double min, double max);
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double pow_i(double num, long long n);
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double pow_f(double num, double m);
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double pow(double x, double y);
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void centralization(double *x, double *x_out, int n);
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void GetCovMatrix(double *x, double *y, double cov[2][2], int n);
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int Jacobi(double a[][2], double p[][2], int n, double eps, int T);
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LatLng_t ProjPointOfLatLng(LatLng_t point, LatLng_t linePointA, LatLng_t linePointB);
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double CalDistance(LatLng_t pointA, LatLng_t pointB);
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void ProjPointOfLatLng_cir(double point1[], double yaw, double point2[], double result[]);
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/**----------------------------------------------------------------------
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* Function : pdr_invSqrt
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* Description : 计算1/sqrt(x)的快速的算法
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* Date : 2020/6/30 logzhan
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*---------------------------------------------------------------------**/
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float InvSqrt(float x);
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/**---------------------------------------------------------------------
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* Function : pdr_v3Norm
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* Description : 三维浮点数向量归一化
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* Date : 2021/01/26 yuanlin@vivocom &&
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*
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*
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*---------------------------------------------------------------------**/
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void Vec3Norm(float* vx, float* vy, float* vz);
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/**----------------------------------------------------------------------
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* Function : pdr_writeCsvStr
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* Description : 将字符串信息写入文本，主要是对fprintf封装一层
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* Date : 2020/7/8 logzhan
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*---------------------------------------------------------------------**/
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void WriteCsvStr(FILE* fp_write, char* str);
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/**----------------------------------------------------------------------
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* Function : pdr_utc2hms
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* Description : 将UTC时间转换为时分秒
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* Date : 2020/7/8 logzhan
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*---------------------------------------------------------------------**/
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void pdr_utc2hms(double utc, double* h, double* m, double* s);
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/**----------------------------------------------------------------------
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* Function : qnb2att
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* Description : 四元数转欧拉角
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* Date : 2020/7/4 logzhan
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*---------------------------------------------------------------------**/
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void Qnb2Att(float* q, double* attitude);
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double CalRadianDifferent(double s_dir, double d_dir);
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/**----------------------------------------------------------------------
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* Function : pdr_earthParameter
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* Description : 根据输入纬度返回该纬度地球相关参数
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* Date : 2020/7/8 logzhan
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*---------------------------------------------------------------------**/
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EarthData_t CalEarthParameter(double oriLat);
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/**----------------------------------------------------------------------
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* Function : Motion2TypeStr
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* Description : 把用户运动类型转换为字符串输出
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* Date : 2022/9/16 logzhan
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*---------------------------------------------------------------------**/
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const char* Motion2TypeStr(int type);
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int pdr_min(int param_a, int param_b);
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#ifdef __cplusplus
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}
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#endif
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#endif
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