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last edited 9 years ago by test1 |
Edit detail for #156 Axiom crashes when compiling simple Taylor code revision 1 of 4
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Editor:
Time: 2007/11/17 21:59:27 GMT-8 |
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| Note: Works with compiled functions | ||
changed: - When trying this code (that is probably buggy on some level), axiom simply crashes on me without any comment. I'm using the Debian (Ubuntu) build of 20050201 \begin{axiom} u := operator 'u; multidiff(expr, variable, count) == if count > 0 then D(multidiff(expr, variable, count-1), variable) else expr maketaylor(expr) == series( n +-> multidiff(expr, x, n), x=0) \end{axiom} Can't run this one:: !\begin{axiom} make_taylor(u(x)) \end{axiom} In fact, 'series' doesn't work as soon as it is wrapped in a function, no matter whether declared or not. While \begin{axiom} series( (n:INT):EXPR INT +-> a^n, x=0)$GenerateUnivariatePowerSeries(INT, EXPR INT) \end{axiom} works alright, the following fails:: !\begin{axiom} maketaylor(x:Symbol):ANY == series( (n:INT):EXPR INT +-> a^n, x=0)$GenerateUnivariatePowerSeries(INT, EXPR INT) \end{axiom} From unknown Thu May 12 10:53:18 -0500 2005 From: unknown Date: Thu, 12 May 2005 10:53:18 -0500 Subject: Works probably with patch from bug #136 Message-ID: <20050512105318-0500@page.axiom-developer.org> Axiom doesn't crash with this patch. Cheers From unknown Thu May 12 11:14:17 -0500 2005 From: unknown Date: Thu, 12 May 2005 11:14:17 -0500 Subject: Works with compiled functions Message-ID: <20050512111417-0500@page.axiom-developer.org> Sorry, this code works with or without this patch if you compile the functions: ')set function compile on' <br> But \begin{axiom} maketaylor(x:Symbol):UnivariateTaylorSeries(Expression Integer,x,0) == aa:=series( (n:INT):EXPR INT +-> a^n, x=0)$GenerateUnivariatePowerSeries(INT, EXPR INT) aa::UnivariateTaylorSeries(Expression Integer,x,0) maketaylor(x) \end{axiom} Cheers
When trying this code (that is probably buggy on some level), axiom simply crashes on me without any comment. I'm using the Debian (Ubuntu) build of 20050201
axiomu := operator 'u;
Type: BasicOperator?
axiommultidiff(expr, variable, count) == if count > 0 then D(multidiff(expr, variable, count-1), variable) else expr
Type: Void
axiommaketaylor(expr) == series( n +-> multidiff(expr, x, n), x=0)
Type: Void
Can't run this one:
\begin{axiom}
make_taylor(u(x))
\end{axiom}
In fact, series doesn't work as soon as it is wrapped in a function, no matter whether declared or not. While
axiomseries( (n:INT):EXPR INT +-> a^n, x=0)$GenerateUnivariatePowerSeries(INT, EXPR INT)
 | (1) |
Type: UnivariatePuiseuxSeries?(Expression Integer,x,0)
works alright, the following fails:
\begin{axiom}
maketaylor(x:Symbol):ANY == series( (n:INT):EXPR INT +-> a^n, x=0)$GenerateUnivariatePowerSeries(INT, EXPR INT)
\end{axiom}
Works probably with patch from bug #136 --unknown, Thu, 12 May 2005 10:53:18 -0500 reply
Axiom doesn't crash with this patch.
Cheers
Sorry, this code works with or without this patch if you compile the functions:)set function compile on
But
axiommaketaylor(x:Symbol):UnivariateTaylorSeries(Expression Integer,x,0) == aa:=series( (n:INT):EXPR INT +-> a^n, x=0)$GenerateUnivariatePowerSeries(INT, EXPR INT) aa::UnivariateTaylorSeries(Expression Integer,x,0) Function declaration maketaylor : Symbol -> UnivariateTaylorSeries( Expression Integer,x,0) has been added to workspace. 1 old definition(s) deleted for function or rule maketaylor
Type: Void
axiommaketaylor(x) Cannot compile conversion for types involving local variables. In particular, could not compile the expression involving :: UnivariateTaylorSeries(Expression Integer,#1,0) FriCAS will attempt to step through and interpret the code.
axiom
Compiling function maketaylor with type Symbol ->
UnivariateTaylorSeries(Expression Integer,x,0) | (2) |
Type: UnivariateTaylorSeries?(Expression Integer,x,0)
Cheers