I like your opinion. Le mer. 14 août 2024 à 16:34, Waldek Hebisch <[email protected]> a écrit :
> I am looking more into output convertion for floats and current > implementation looks somewhat irregular. We have: > > - "fixed" convertion which actually has two different behaviours. > With given precision it outputs given number of digits (possibly > 0) after dot. With "default" setting (no precision specified) > it first produces up to 'd' significant digits where 'd' is current > precision expressed in digits, but then trims trailing zeros. In > particular, in default setting number of digit printed after dot > is variable, > - "floating" convertion is simplest one, with only irregularity > due to printing or not printing spaces around "E", > - "general" convertion prints either floating form or kind of fixed form. > The fixed form uses different rules than "fixed" convertion and > choice between floating and fixed form is somewhat irregular. > > > I think about following changes: > - make slightly different rule in "general" convertion: use fixed > form when there are at most 5 leading zeros before most significant > digit (this is current rule) or there are at most 2 trailing > zeros before the dot (this is change compared to current rule), > - with specified precision print given number of digits in > "general" convertion (this is change, current code may skip trailing > zeros in such case) > - with default precision (that is taken from floating point precision) > trim trailng zeros (this is mostly current behaviour, but I would > like to eliminate exceptions). > > Note: currently floating point zero is normally printed as "0.0", > and only fixed format with specified number of digits prints > trailing zeros. I think that we should keep this even when it > contradicts literal reading of rules above. Simply, zero is > very special. But I would prefer to get rid of other exceptions. > > -- > Waldek Hebisch > > -- > You received this message because you are subscribed to the Google Groups > "FriCAS - computer algebra system" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > To view this discussion on the web visit > https://groups.google.com/d/msgid/fricas-devel/ZrzAb1najE4ldF4A%40fricas.org > . > -- You received this message because you are subscribed to the Google Groups "FriCAS - computer algebra system" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/fricas-devel/CAHnU2dYKcBA_HVfKPPZZvqY8j7r3W1NPhCDnGQetyqooW%2BjAZA%40mail.gmail.com.
