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use doubles in mercartor projection functions

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This commit is contained in:
Dennis Luxen 2013-10-21 17:13:02 +02:00
parent 32c1fd082d
commit d0198649f2
1 changed files with 2 additions and 2 deletions
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4
DataStructures/MercatorUtil.h
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@ -35,11 +35,11 @@ SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#endif
inline double y2lat(double a) {
return 180/M_PI * (2 * atan(exp(a*M_PI/180)) - M_PI/2);
return 180./M_PI * (2. * atan(exp(a*M_PI/180.)) - M_PI/2.);
}
inline double lat2y(double a) {
return 180/M_PI * log(tan(M_PI/4+a*(M_PI/180)/2));
return 180./M_PI * log(tan(M_PI/4.+a*(M_PI/180.)/2.));
}
#endif /* MERCATORUTIL_H_ */