## WeBWorK Main Forum

### One random seed can't generate enough comparison points

by Michael Shulman -
Number of replies: 2
It seems that for the question /Library/UCSB/Stewart5_3_4/Stewart5_3_4_28.pg in the problem library, the random seed 1157 always results in "Can't generate enough valid points for comparison". Is this a bug? The formula is defined for all positive values of x.

### Re: One random seed can't generate enough comparison points

by Michael Shulman -
If no one knows, can anyone at least give me some help for debugging? E.g. how can I find out what comparison points it is trying to generate?
You can add diagnostics=>1 to the cmp() call in order to get debugging output about the points used and their values, but this only works when sufficient points actually are found.