On Friday, 25 November 2011 13:25:43 UTC+8, rjf wrote:
>
> On Nov 24, 6:52 pm, Dima Pasechnik <dim...@gmail.com> wrote:
> > Unless I am missing something, Maxima in Sage is compiled into C using
> ECL.
> > How fully these capabilities are exploited in Sage, is another question.
>
> I think you are missing the point. Unless the ECL system is sadly
> broken, the
> Maxima system has the capability of compiling programs written in its
> top-level
> language (an Algol-ish style language), into binary
> code.
>
> good to know.
Actually, your example works just fine in Sage's maxima console:
sage: maxima_console()
;;; Loading #P"/usr/local/src/sage/current/local/lib/ecl/sb-bsd-sockets.fas"
;;; Loading #P"/usr/local/src/sage/current/local/lib/ecl/sockets.fas"
;;; Loading #P"/usr/local/src/sage/current/local/lib/ecl/defsystem.fas"
;;; Loading #P"/usr/local/src/sage/current/local/lib/ecl/cmp.fas"
Maxima 5.23.2 http://maxima.sourceforge.net
using Lisp ECL 11.1.1
Distributed under the GNU Public License. See the file COPYING.
Dedicated to the memory of William Schelter.
The function bug_report() provides bug reporting information.
(%i1) g(x):=block([s:0],for i thru x do s:s+i^2,s);
2
(%o1) g(x) := block([s : 0], for i thru x do s : i + s, s)
(%i2) g(10000);
(%o2) 333383335000
(%i3) compile(g);
;;; OPTIMIZE levels: Safety=2, Space=0, Speed=3, Debug=0
;;;
;;; End of Pass 1.
;;; Note:
;;; Refusing to propagate #<form PSETQ 102aa68d0>
;;; Note:
;;; Constant value optimized away or not used
;;; $done
;;; Note:
;;; Invoking external command:
;;; gcc -I. -I/usr/local/src/sage/sage-4.7.alpha5/local/include/
-I/usr/local/src/sage/sage-4.7.alpha5/local/include -g -O2 -fPIC
-fno-common -Ddarwin -O2 -w -c
/private/var/folders/qW/qWY+4Ku1GF0WXrOsV+IDvk+++TM/-Tmp-/ecl001jfJYt0.c -o
/private/var/folders/qW/qWY+4Ku1GF0WXrOsV+IDvk+++TM/-Tmp-/ecl001jfJYt0.o
;;; Note:
;;; Invoking external command:
;;; gcc -o
/private/var/folders/qW/qWY+4Ku1GF0WXrOsV+IDvk+++TM/-Tmp-/ecl001jfJYt0.fas
-L/usr/local/src/sage/sage-4.7.alpha5/local/lib/
/private/var/folders/qW/qWY+4Ku1GF0WXrOsV+IDvk+++TM/-Tmp-/ecl001jfJYt0.o
-bundle -L/usr/local/src/sage/sage-4.7.alpha5/local/lib
-L/usr/local/src/sage/sage-4.7.alpha5/local/lib -lecl -lgmp -lm (%o3)
[g]
(%i4) g(10000);
(%o4) 333383335000
(%i5)
It's a good question how to make this capability used in Sage.
> William seems to prefer to tout the Sage-Cython link.
>
>
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