#11948: Fix numeric evaluation of error function
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Reporter: jdemeyer |
Owner: jdemeyer
Type: defect |
Status: closed
Priority: major |
Milestone: sage-4.8
Component: numerical |
Resolution: fixed
Keywords: erf erfc |
Work issues:
Report Upstream: N/A |
Reviewers: Karl-Dieter Crisman
Authors: Jeroen Demeyer |
Merged in: sage-4.8.alpha6
Dependencies: #11130, #11321, #11854, #11891, #11890, #11836, #11952 |
Stopgaps:
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Comment (by kcrisman):
More precisely:
{{{
sage: pari(3*i).erfc()
-1.76710569338983 E-16 - 1629.86732385786*I
sage: mpmath.erfc(3*i)
mpc(real='1.0', imag='-1629.9946226015657')
sage: 1-pari(3*i).erfc()
1.00000000000000 + 1629.86732385786*I
sage: mpmath.erf(3*i)
mpc(real='0.0', imag='1629.9946226015657')
}}}
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/11948#comment:15>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica,
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