* James Youngman ([email protected]) wrote: > On Sat, Feb 14, 2009 at 3:45 AM, David M. Dowdle > <[email protected]> wrote: > > > > I'd rank this as low priority, but people doing things like 30 year mortages > > will be hitting this already. > > > > Mortgage calculations probably shouldn't be using time_t anyway; use > of time_t for future calculations assumes that we already know how > long each year is going to be, to the nearest second[1]. Mortgage > agreements on the other hand specify dates in civil time and therefore > the duration of the agreement in seconds can't be precisely known when > the agreement is signed.
<snip> > [1] ... or that the precise alignment between future values of time_t > and calendar time doesn't matter much Well indeed; I reckon a difference of 1 second over a 25 year mortgage on a million $ mortgage (at 5%) would be about 13c difference in the amount of interest - and that assumes you weren't paying any capital back, so I'm not sure it's that important (especially if they were careful in how they worded the agreement). Dave -- -----Open up your eyes, open up your mind, open up your code ------- / Dr. David Alan Gilbert | Running GNU/Linux on Alpha,68K| Happy \ \ gro.gilbert @ treblig.org | MIPS,x86,ARM,SPARC,PPC & HPPA | In Hex / \ _________________________|_____ http://www.treblig.org |_______/ _______________________________________________ Bug-coreutils mailing list [email protected] http://lists.gnu.org/mailman/listinfo/bug-coreutils
