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by gta
Mon Jan 30, 2012 10:42 am
Forum: ROMS Bugs
Topic: The perils of floating-point time-step arithmetic
Replies: 14
Views: 12793

Re: The perils of floating-point time-step arithmetic

Very interesting topic ! StartTime=0.0_r8 ! <-- not necessarily 0.0_r8, may be just time from the initial condition MaxDT=MAXVAL(dt) ntimes=(RunInterval+0.5*MaxDT)/MaxDT !<-- 0.5*MaxDT is added to make roundoff upward. MaxDT=RunInterval/dble(ntimes) !<-- this adjusts "dt" a little bit to m...