I sometimes get these (or similar) failures which seem to be due to some
build-time problem. For any given build of Sage, if there are failures,
then re-running the tests will reproduce the failures. But rebuild Sage
from scratch and the failures are gone. I haven't tracked this down
further. This is on sage.math with a test of sage-5.6.rc1:
sage -t --long "devel/sage/sage/calculus/riemann.pyx"
**********************************************************************
File
"/release/buildbot/sage/sage-1/sage_binary/build/sage-5.6.rc1/devel/sage/sage/calculus/riemann.pyx",
line 132:
sage: print "error =", m.inverse_riemann_map(m.riemann_map(x)) - x
# long time
Expected:
error = (-0.000...+0.0016...j)
Got:
error = (-0.00900270151596+0.00482839111894j)
**********************************************************************
File
"/release/buildbot/sage/sage-1/sage_binary/build/sage-5.6.rc1/devel/sage/sage/calculus/riemann.pyx",
line 596:
sage: m.inverse_riemann_map(0.5 + sqrt(-0.5))
Expected:
(0.406880548363...+0.361470279816...j)
Got:
(0.26609535153324926-0.71596339253951613j)
**********************************************************************
File
"/release/buildbot/sage/sage-1/sage_binary/build/sage-5.6.rc1/devel/sage/sage/calculus/riemann.pyx",
line 598:
sage: m.inverse_riemann_map(0.95)
Expected:
(0.486319431795...-4.90019052...j)
Got:
(-0.47636117038850095-0.31131054266912134j)
**********************************************************************
File
"/release/buildbot/sage/sage-1/sage_binary/build/sage-5.6.rc1/devel/sage/sage/calculus/riemann.pyx",
line 600:
sage: m.inverse_riemann_map(0.25 - 0.3*I)
Expected:
(0.165324498558...-0.180936785500...j)
Got:
(-0.22158720103166435+0.057314947441646828j)
**********************************************************************
File
"/release/buildbot/sage/sage-1/sage_binary/build/sage-5.6.rc1/devel/sage/sage/calculus/riemann.pyx",
line 603:
sage: m.inverse_riemann_map(np.complex(-0.2, 0.5))
Expected:
(-0.156280570579...+0.321819151891...j)
Got:
(0.30335339499315012-0.10111072188371266j)
**********************************************************************
File
"/release/buildbot/sage/sage-1/sage_binary/build/sage-5.6.rc1/devel/sage/sage/calculus/riemann.pyx",
line 342:
sage: s(3*pi / 4)
Expected:
0.00121587378429...
Got:
0.0011753476894319776
**********************************************************************
File
"/release/buildbot/sage/sage-1/sage_binary/build/sage-5.6.rc1/devel/sage/sage/calculus/riemann.pyx",
line 411:
sage: s(3*pi / 4)
Expected:
1.62766037996...
Got:
-2.2112992320625007
**********************************************************************
File
"/release/buildbot/sage/sage-1/sage_binary/build/sage-5.6.rc1/devel/sage/sage/calculus/riemann.pyx",
line 516:
sage: m.riemann_map(0.25 + sqrt(-0.5))
Expected:
(0.137514...+0.87669602...j)
Got:
(-0.72646985217696924-0.51090507937918783j)
**********************************************************************
File
"/release/buildbot/sage/sage-1/sage_binary/build/sage-5.6.rc1/devel/sage/sage/calculus/riemann.pyx",
line 518:
sage: m.riemann_map(1.3*I)
Expected:
(-1.56...e-05+0.989694...j)
Got:
(-0.70519318141122977-0.76115177043780835j)
**********************************************************************
File
"/release/buildbot/sage/sage-1/sage_binary/build/sage-5.6.rc1/devel/sage/sage/calculus/riemann.pyx",
line 521:
sage: m.riemann_map(0.4)
Expected:
(0.733242677...+3.2...e-06j)
Got:
(-0.45716531868823951+0.52177153514479202j)
**********************************************************************
File
"/release/buildbot/sage/sage-1/sage_binary/build/sage-5.6.rc1/devel/sage/sage/calculus/riemann.pyx",
line 524:
sage: m.riemann_map(np.complex(-3, 0.0001))
Expected:
(1.405757...e-05+8.06...e-10j)
Got:
(-0.014156297786253731+0.012030907696686667j)
**********************************************************************
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