Floating point calculations are imprecise. https://0.30000000000000004.com/ https://www.phys.uconn.edu/~rozman/Courses/P2200_15F/downloads/floating-point-guide-2015-10-15.pdf
s On Monday, June 1, 2020 at 11:56:55 AM UTC-7, Saksham Saxena wrote: > > Hello, > > I was trying to implement Substring Search using a rolling hash function > (fairly simple implementation): https://play.golang.org/p/_fjgxPC06So > > This works correctly and as expected. However, if you change the const > `baseNumber` to 128, the program is unable to do the intermediate > arithmetic incorrectly (see the difference after running it). > > How could this be ? I've stared at it long enough and it doesn't seem like > it's overflowing (or is it really ? I thought float64 had great range ?) > > Any ideas/comments are appreciated. > > Thanks! > Saksham > -- You received this message because you are subscribed to the Google Groups "golang-nuts" group. To unsubscribe from this group and stop receiving emails from it, send an email to golang-nuts+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/golang-nuts/d071b2be-9fc1-45e4-9da8-baecb9968ea7%40googlegroups.com.