On Friday, April 21, 2017 at 5:12:47 PM UTC-6, Doug Telford wrote:
>
>
>
> On Friday, April 21, 2017 at 5:01:54 PM UTC-6, Doug Telford wrote:
>>
>>
>>
>> On Friday, April 21, 2017 at 3:38:11 PM UTC-6, Ralf Hemmecke wrote:
>>>
>>> On 04/21/2017 09:04 PM, Doug Telford wrote:
>>> > 1. Is there documentaion about using aldor under fricas?
>>>
>>> Unfortunately, the answer is more or less: no.
>>>
>>> > How much of the aldor user's guide is applicable?
>>>
>>> Aldor is a programming language. It comes with basically 3 libraries.
>>>
>>> 1) axllib
>>> 2) libaldor
>>> 3) libalgebra
>>>
>>> where actually libalgebra is built on top of libaldor.
>>>
>>> When you use Aldor under FriCAS, then it basically is as if you use yet
>>> another library (which is called "axiom" -- maybe we should rename that
>>> to "fricas")
>>>
>>> In this sense, everything in the Aldor User Guide that is not referring
>>> to a library, is applicable, i.e., the language description itself.
>>>
>>> When you use Aldor with FriCAS, you can look at
>>>
>>> http://fricas.github.io/api/index.html
>>>
>>> to find out about the function/domains/categories/packages that are
>>> available.
>>>
>>> However, there is one big difference: you can use Aldor only to "extend"
>>> what is already in FriCAS and you can use your programs only in a FriCAS
>>> session but never as standalone programs.
>>>
>>> > 2. I tried to run the example program sieve.as under fricas. The
>>> > program contains the function sieve and calls to sieve. Not clear
>>> > how to execute the progam. Is aldor under fricas only applicable to
>>> > functions?
>>>
>>> Simply type inside a fricas session:
>>>
>>> )compile sieve.as
>>>
>>> for i in 1..6 repeat ( _
>>> n := 10^i; _
>>> outputList ["There are ", sieve n, " primes <= ", n] _
>>> )
>>>
>>> The following site needs some update... :-(
>>>
>>> http://axiom-wiki.newsynthesis.org/SandBoxAldorSieve
>>>
>>> Maybe more tomorrow...
>>>
>>> Ralf
>>>
>>
>>
>>
>> Thanks for the valuable information. The only thing I noticed was that
>> the function sieve conflicts with FriCas, so renaming it sieve2 works ok.
>> Could you comment on when to use the include files
>> aldor
>> aldorio
>> axiom
>> axiom.as ?
>>
>
> also, the sieve function uses isprime, which is not a FriCAS
> function. Where does it find this function, since my understanding is that
> it does not search the Aldor libraries?
>
>>
>> --Doug
>>
>
I tried another example from the Aldor user's guide:
1 #include "aldor"
2 -- Compute a square root by six steps of Newton’s method.
3 -- This gives 17 correct digits for numbers between 1 and 10.
4
5 DF ==> DoubleFloat;
6 miniSqrt(x: DF): DF == {
7 r := x;
8 r := (r*r + x)/(2.0*r);
9 r := (r*r + x)/(2.0*r);
10 r := (r*r + x)/(2.0*r);
11 r := (r*r + x)/(2.0*r);
12 r := (r*r + x)/(2.0*r);
13 r := (r*r + x)/(2.0*r);
14 r
15 } (8) -> )co minisqrt.as
Compiling FriCAS source code from file /home/doug/friald/minisqrt.as
using AXIOM-XL compiler and options
-O -Fasy -Fao -Flsp -laxiom -Mno-ALDOR_W_WillObsolete -DAxiom -Y
$AXIOM/algebra -I $AXIOM/algebra
Use the system command )set compiler args to change these
options.
Compiling Lisp source code from file ./minisqrt.lsp
Issuing )library command for minisqrt
Reading /home/doug/friald/minisqrt.asy
(8) -> miniSqrt (10.0)
>> System error:
The value
10.0
is not of type
LIST
>
>
--
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 post to this group, send email to [email protected].
Visit this group at https://groups.google.com/group/fricas-devel.
For more options, visit https://groups.google.com/d/optout.
