#7557: conversion of complex numbers in symbolic expressions to maxima broken
---------------------------------+------------------------------------------
Reporter: burcin | Owner: burcin
Type: defect | Status: positive_review
Priority: major | Milestone: sage-5.6
Component: symbolics | Resolution:
Keywords: interfaces | Work issues:
Report Upstream: N/A | Reviewers: Volker Braun
Authors: Burcin Erocal | Merged in:
Dependencies: | Stopgaps:
---------------------------------+------------------------------------------
Comment (by pipedream):
Am I testing this correctly? I don't see any change:
{{{
0 jan@osprey:~/sage/sage-5.4/devel$hg qpush
applying trac_7557-maxima_complex_number_conversion.patch
now at: trac_7557-maxima_complex_number_conversion.patch
0 jan@osprey:~/sage/sage-5.4/devel$hg qapplied
trac_7557-maxima_complex_number_conversion.patch
0 jan@osprey:~/sage/sage-5.4/devel$mysage -b complexbug
----------------------------------------------------------
sage: Building and installing modified Sage library files.
Installing c_lib
scons: `install' is up to date.
Updating Cython code....
Executing 0 commands (using 1 thread)
Time to execute 0 commands: 0.0179660320282 seconds
Finished compiling Cython code (time = 0.490197181702 seconds)
running install
running build
running build_py
running build_ext
Executing 0 commands (using 1 thread)
Time to execute 0 commands: 0.00303983688354 seconds
Total time spent compiling C/C++ extensions: 0.0404081344604 seconds.
running install_lib
running install_egg_info
Removing /home/jan/sage/sage-5.4/local/lib/python2.7/site-
packages/sage-0.0.0-py2.7.egg-info
Writing /home/jan/sage/sage-5.4/local/lib/python2.7/site-
packages/sage-0.0.0-py2.7.egg-info
real 0m1.531s
user 0m1.112s
sys 0m0.240s
0 jan@osprey:~/sage/sage-5.4/devel$mysage
----------------------------------------------------------------------
| Sage Version 5.4, Release Date: 2012-11-09 |
| Type "notebook()" for the browser-based notebook interface. |
| Type "help()" for help. |
----------------------------------------------------------------------
^[[ALoading Sage library. Current Mercurial branch is: complexbug
sage: u=1.2; m=0.5; jacobi('sn',u,m)
0.887715488619
sage: jacobi('sn',u+2*I*elliptic_kc(1-m),m)
jacobi_sn(1.2 + 3.7081493546*I, 0.500000000000000)
sage: n(jacobi('sn',u+2*I*elliptic_kc(1-m),m))
}}}
(Hangs, I interrupted it after 30 seconds. Running this calculation
directly in maxima takes one second)
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/7557#comment:8>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica,
and MATLAB
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