On Jan 4, 2011, at 9:30 PM, Simon Slavin wrote: > > On 5 Jan 2011, at 2:08am, TR Shaw wrote: > >> On Jan 4, 2011, at 7:53 PM, Simon Slavin wrote: >>> >>> >>> Back then I was programming on a PDP11, so both numerator and denominator >>> were probably 72 bits long. The routines always stored fractions in >>> normalised form, so ... <spreadsheet> ... you could multiply the first 18 >>> prime numbers together, up to 59, before it ran into problems. In >>> practise, of course, this almost never happened. >> >> Not that I remember; ints were 16bits and longs were 32bits and floats were >> 32 and dfloats were 64bits on a PDP-11 > > You're absolutely right. It was a PDP-10, not a PDP-11. Sorry, I worked > with the PDP-11 later and got confused.
Now that makes more sense; a 36 bit machine like a 7094. Confusion is what happens as we get older. Happens to me all the time. ;-) Tom _______________________________________________ sqlite-users mailing list sqlite-users@sqlite.org http://sqlite.org:8080/cgi-bin/mailman/listinfo/sqlite-users
