double precision floating point error in overlayed raster

[Jean-Romain]

library(lidR)
LASfile <- system.file("extdata", "MixedConifer.laz", package="lidR")
las <- readLAS(LASfile)
chm <- grid_canopy(las, res = 0.15, p2r())
#> Error in C_rasterize(las, layout, subcircle, 1L): Rasters with different xy resolutions are not supported
  
r = lidR:::rOverlay(las, 0.15)
  
options(digits = 20)
res(r)[1]
#> [1] 0.14999999999999999445
res(r)[2]
#> [1] 0.14999999999984503507

^{Created on 2019-09-12 by the reprex package (v0.3.0)}