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Fix defect detected by coverity scan (avoid null pointer dereference)

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This commit is contained in:
Carles Fernandez 2018-08-30 19:58:37 +02:00
parent c850adf5e7
commit 1ea88104ac
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GPG Key ID: 4C583C52B0C3877D
1 changed files with 8 additions and 21 deletions
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29
src/tests/system-tests/libs/geofunctions.cc
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@ -70,10 +70,7 @@ double WGS84_geocentric_radius(double Lat_geodetic_rad)
double WGS84_E = (sqrt(2 * WGS84_F - WGS84_F * WGS84_F)); // Eccentricity of the Earth
// transverse radius of curvature
double R_E = WGS84_A / sqrt(1 -
WGS84_E * WGS84_E *
sin(Lat_geodetic_rad) *
sin(Lat_geodetic_rad)); // (Eq. 2.66)
double R_E = WGS84_A / sqrt(1 - WGS84_E * WGS84_E * sin(Lat_geodetic_rad) * sin(Lat_geodetic_rad)); // (Eq. 2.66)
// geocentric radius at the Earth surface
double r_eS = R_E * sqrt(cos(Lat_geodetic_rad) * cos(Lat_geodetic_rad) +
@ -99,19 +96,9 @@ int topocent(double *Az, double *El, double *D, const arma::vec &x, const arma::
double cb = cos(phi * dtr);
double sb = sin(phi * dtr);
arma::mat F = arma::zeros(3, 3);
F(0, 0) = -sl;
F(0, 1) = -sb * cl;
F(0, 2) = cb * cl;
F(1, 0) = cl;
F(1, 1) = -sb * sl;
F(1, 2) = cb * sl;
F(2, 0) = 0;
F(2, 1) = cb;
F(2, 2) = sb;
arma::mat F = {{-sl, -sb * cl, cb * cl},
{cl, -sb * sl, cb * sl},
{0.0, cb, sb}};
arma::vec local_vector;
@ -126,8 +113,8 @@ int topocent(double *Az, double *El, double *D, const arma::vec &x, const arma::
if (hor_dis < 1.0E-20)
{
*Az = 0;
*El = 90;
*Az = 0.0;
*El = 90.0;
}
else
{
@ -147,7 +134,7 @@ int topocent(double *Az, double *El, double *D, const arma::vec &x, const arma::
int togeod(double *dphi, double *dlambda, double *h, double a, double finv, double X, double Y, double Z)
{
*h = 0;
*h = 0.0;
const double tolsq = 1.e-10; // tolerance to accept convergence
const int maxit = 10; // max number of iterations
const double rtd = 180.0 / STRP_PI;
@ -199,7 +186,7 @@ int togeod(double *dphi, double *dlambda, double *h, double a, double finv, doub
// approximate distance from origin to surface of ellipsoid
if (r < 1.0E-20)
{
*h = 0;
*h = 0.0;
return 1;
}