Integer ambiguity resolution. More...

#include "rtklib.h"

Macros
#define	SGN_LAMBDA(x) ((x) <= 0.0 ? -1.0 : 1.0)

#define	ROUND_LAMBDA(x) (floor((x) + 0.5))

#define	SWAP_LAMBDA(x, y)

Functions
int	LD (int n, const double Q, double L, double *D)

void	gauss (int n, double L, double Z, int i, int j)

void	perm (int n, double L, double D, int j, double del, double *Z)

void	reduction (int n, double L, double D, double *Z)

int	search (int n, int m, const double L, const double D, const double zs, double zn, double *s)

int	lambda (int n, int m, const double a, const double Q, double F, double s)

int	lambda_reduction (int n, const double Q, double Z)

int	lambda_search (int n, int m, const double a, const double Q, double F, double s)

Variables
const int	LOOPMAX = 10000

Detailed Description

Integer ambiguity resolution.

Authors

2007-2008, T. Takasu
2017, Javier Arribas
2017, Carles Fernandez

This is a derived work from RTKLIB http://www.rtklib.com/ The original source code at https://github.com/tomojitakasu/RTKLIB is released under the BSD 2-clause license with an additional exclusive clause that does not apply here. This additional clause is reproduced below:

" The software package includes some companion executive binaries or shared libraries necessary to execute APs on Windows. These licenses succeed to the original ones of these software. "

Neither the executive binaries nor the shared libraries are required by, used or included in GNSS-SDR.

SPDX-License-Identifier: BSD-2-Clause

References: [1] P.J.G.Teunissen, The least-square ambiguity decorrelation adjustment: a method for fast GPS ambiguity estimation, J.Geodesy, Vol.70, 65-82, 1995 [2] X.-W.Chang, X.Yang, T.Zhou, MLAMBDA: A modified LAMBDA method for integer least-squares estimation, J.Geodesy, Vol.79, 552-565, 2005

Definition in file rtklib_lambda.h.

Macro Definition Documentation

◆ SWAP_LAMBDA

#define SWAP_LAMBDA	(	x,
		y
	)

Value:

do                    \
        {                 \
            double tmp_;  \
            tmp_ = x;     \
            x = y;        \
            y = tmp_;     \
        }                 \
    while (0)

Definition at line 50 of file rtklib_lambda.h.

Macros

Functions

Variables

Detailed Description

Macro Definition Documentation

◆ SWAP_LAMBDA