#7099: serious incomplete gamma function precision bugs
-------------------------------------+-------------------------------------
Reporter: was | Owner: jkantor
Type: defect | Status: needs_work
Priority: critical | Milestone: sage-6.4
Component: numerical | Resolution:
Keywords: | Merged in:
Authors: Peter Bruin | Reviewers: Ralf Stephan
Report Upstream: N/A | Work issues:
Branch: | Commit:
u/pbruin/7099-incomplete_gamma | 78ba9638700d8cd9d4b18d83323af8fe9507a7ba
Dependencies: | Stopgaps:
-------------------------------------+-------------------------------------
Changes (by vbraun):
* status: positive_review => needs_work
Comment:
On the Arando buildbot:
{{{
sage -t --long src/sage/rings/complex_mpc.pyx
**********************************************************************
File "src/sage/rings/complex_mpc.pyx", line 2241, in
sage.rings.complex_mpc.MPComplexNumber.gamma_inc
Failed example:
(1+i).gamma_inc(2 + 3*i)
Expected:
0.0020969149 - 0.059981914*I
Got:
0.0020969148 - 0.059981914*I
**********************************************************************
1 item had failures:
1 of 5 in sage.rings.complex_mpc.MPComplexNumber.gamma_inc
[375 tests, 1 failure, 0.27 s]
sage -t --long src/sage/rings/complex_number.pyx
**********************************************************************
File "src/sage/rings/complex_number.pyx", line 2023, in
sage.rings.complex_number.ComplexNumber.gamma_inc
Failed example:
(1+i).gamma_inc(2 + 3*i)
Expected:
0.0020969149 - 0.059981914*I
Got:
0.0020969148 - 0.059981914*I
**********************************************************************
1 item had failures:
1 of 8 in sage.rings.complex_number.ComplexNumber.gamma_inc
[378 tests, 1 failure, 3.12 s]
}}}
--
Ticket URL: <http://trac.sagemath.org/ticket/7099#comment:22>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica,
and MATLAB
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