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-rw-r--r--src/geocent.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/geocent.c b/src/geocent.c
index e340e73d..a8cec043 100644
--- a/src/geocent.c
+++ b/src/geocent.c
@@ -430,7 +430,7 @@ void pj_Convert_Geocentric_To_Geodetic (GeocentricInfo *gi,
while (SDPHI*SDPHI > genau2 && iter < maxiter);
/* ellipsoidal (geodetic) latitude */
- *Latitude=atan(SPHI/fabs(CPHI));
+ *Latitude=atan2(SPHI, fabs(CPHI));
return;
#endif /* defined(USE_ITERATIVE_METHOD) */