library(sabotag)
# test if gridcell2lnglat and lnglat2gridcell return the same values
r1 <- gridcell2lnglat("8144-3")
r2 <- lnglat2gridcell(r1[1], r1[2])
g <- floragrid(extent(12,14,47,48), resolution = "CELL")
# precision with 12 digits
sum(round(c(coordinates(g[ g$GRIDCELL == "8144-3", ])) - r1, 12)) == 0
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