Searched refs:invLog2 (Results 1 – 3 of 3) sorted by relevance
42 static const double invLog2 = 1.0 / std::log(2.0); variable46 return std::log( std::pow(2.0, zoomLevelForTileSize) * tileSize / 256.0 ) * invLog2; in zoomLevelTo256()
53 static const double invLog2 = 1.0 / std::log(2.0); variable57 return std::log( std::pow(2.0, zoomLevelFor256) * 256.0 / tileSize ) * invLog2; in zoomLevelFrom256()
73 static const double invLog2 = 1.0 / std::log(2.0); variable77 return std::log(std::pow(2.0, zoomLevelFor256) * 256.0 / tileSize) * invLog2; in zoomLevelFrom256()