Re: numerics in Haskell

1998-08-24 Thread Byron Hale
At 11:50 AM 8/13/98 +0100, David Lester wrote: >... Edalat and Escardo have >shown that continuity (in the arithmetic sense) is the same as >continuity in the Scott topology sense we are all familiar with. That's interesting. I'm not familiar with that reference. Would someone supply it? Byron

Re: Debugging Haskell run-time errors

1998-08-24 Thread Alastair Reid
[EMAIL PROTECTED] (Nils Ellmenreich) writes: > it would be *very helpful* to have a better error > message [than {_undefined_array_element}], stating at least the > index of the undefined element and perhaps even the arrays name. > I tried to enclose every array access with a trace call, but it >

Debugging Haskell run-time errors

1998-08-24 Thread Nils Ellmenreich
Hi, from time to time one has to deal with run time errors of Haskel programs without having a debugger at hand. The trace function helps a little, but laziness restricts its usefulness. Right now, I'm chasing a {_undefined_array_element} error. I tried a lot up to now and suspect in the end th