Tweaks to errno checking and perror.

2001-01-27 01:53:11 +00:00
parent 7ff9ba4fe6
commit 57811b5371
1 changed files with 4 additions and 0 deletions
--- a/simgear/math/sg_geodesy.cxx
+++ b/simgear/math/sg_geodesy.cxx
@@ -142,6 +142,10 @@ void sgGeodToGeoc( double lat_geod, double alt, double *sl_radius,
 {
    double lambda_sl, sin_lambda_sl, cos_lambda_sl, sin_mu, cos_mu, px, py;
    
+#ifdef DOMAIN_ERR_DEBUG
+    errno = 0;
+#endif
+
    lambda_sl = atan( E*E * tan(lat_geod) ); // sea level geocentric latitude
    sin_lambda_sl = sin( lambda_sl );
    cos_lambda_sl = cos( lambda_sl );