On Tuesday, 12 July 2016 17:40:17 UTC+1, Uli Kunitz wrote: > > You need compare the result with one summand to detect overflow. > > See here: https://play.golang.org/p/3Uh0eFSbQW > > Programming languages usually don't provide access to machine level flags, > because they support combining multiple operations in one expression. For > example what should the carry flag represent in an expression y = a + b + > c. There are several strategies to deal with this shortcoming one approach > is to calculate with 63-bit words and check use the highest bit as carry or > do additional operations as you are doing. > > I recommend to look into Harry S. Warren's book "Hacker's Delight" which > contains numerous examples how to deal with such issues in a higher level > language. Here is the web page for the book: > http://www.hackersdelight.org/ >
ok thanks. I'm able to move on/forward now :) -- 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. For more options, visit https://groups.google.com/d/optout.
