I think there is potentially a bug in RegionMember
function, particularly in the RegionMember[reg]
form. Can you evaluate the example code below in other versions and add the bug
tag with the question. (evaluated in Mathematica 12.3.1 in windows 10).
reg = Rectangle[{0., 0.2}, {13.5, 15.65}];
pt = {-1.6*^-6, 4.3};
RegionMember[reg, pt]
RegionMember[reg][pt]
SignedRegionDistance[reg][pt] <= 0
. $\endgroup$