root/GPXSee
1
0
Fork 0
mirror of https://github.com/tumic0/GPXSee.git synced 2025-01-31 09:05:14 +01:00
Code Issues Projects Releases Activity

Numerical instability fix

Browse Source
This commit is contained in:
Martin Tůma 2018-04-17 22:26:20 +02:00
parent e34800b8d1
commit c50e41dea1
1 changed files with 2 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
src/map/onlinemap.cpp
View File

@ -8,6 +8,7 @@
#define TILE_SIZE 256
#define EPSILON 1e-6
static QPointF ll2m(const Coordinates &c)
{
@ -36,7 +37,7 @@ static qreal zoom2scale(int zoom)
static int scale2zoom(qreal scale)
{
return (int)log2(360.0/(scale * (qreal)TILE_SIZE));
return (int)(log2(360.0/(scale * (qreal)TILE_SIZE)) + EPSILON);
}