[Scipy-tickets] [SciPy] #1170: there is a bug in "scipy.integrate.quad" function.
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scipy-tickets@scipy....
Fri May 7 21:11:47 CDT 2010
#1170: there is a bug in "scipy.integrate.quad" function.
----------------------------------+-----------------------------------------
Reporter: Joe | Owner: somebody
Type: defect | Status: new
Priority: highest | Milestone: 0.8.0
Component: scipy.integrate | Version: 0.7.0
Keywords: scipy integrate quad |
----------------------------------+-----------------------------------------
when I use the "scipy.integrate.quad" to calculate a simple integration.
The program cannot run and dumped immediately.
The code is:
{{{
from scipy.integrate import quad; print quad(lambda x: x+1, 1.0, 2.0)
}}}
----
The system platform: Window Xp
Python Version: 2.5.4
Scipy Numpy version: latest for python 2.5
'''The debug information is:'''
----
D:\Python25>bin\gdb.exe python.exe
GNU gdb 6.3
Copyright 2004 Free Software Foundation, Inc.
GDB is free software, covered by the GNU General Public License, and you
are
welcome to change it and/or distribute copies of it under certain
conditions.
Type "show copying" to see the conditions.
There is absolutely no warranty for GDB. Type "show warranty" for
details.
This GDB was configured as "i686-pc-mingw32"...(no debugging symbols
found)
(gdb) run -c "from scipy.integrate import quad; print quad(lambda x: x+1,
1.0, 2.0)"
Starting program: D:\Python25/python.exe -c "from scipy.integrate import
quad; print quad(lambda x:x+1, 1.0, 2.0)"
---Type <return> to continue, or q <return> to quit---
Program received signal SIGILL, Illegal instruction.
0x6a852cfe in dqk21_ (f=0x21fb2c, a=0x21fb34, b=0x21f8ac, result=0x21f8b4,
abserr=0x5ad42bd9, resabs=0x1029fd8, resasc=0x1c0)
at scipy/integrate/quadpack/dqk21.f:179
179 scipy/integrate/quadpack/dqk21.f: No such file or directory.
in scipy/integrate/quadpack/dqk21.f
Current language: auto; currently fortran
(gdb) c
Continuing.
Program received signal SIGILL, Illegal instruction.
0x6a852cfe in dqk21_ (f=0x21fb2c, a=0x21fb34, b=0x21f8ac, result=0x21f8b4,
abserr=0x5ad42bd9, resabs=0x1029fd8, resasc=0x1c0)
at scipy/integrate/quadpack/dqk21.f:179
179 in scipy/integrate/quadpack/dqk21.f
(gdb) c
Continuing.
Program exited with code 030000000035.
----
--
Ticket URL: <http://projects.scipy.org/scipy/ticket/1170>
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