[Bug-gsl] [bug #35367] ode-initval2 testsuite failure

[Andreas Schwab]

Follow-up Comment #5, bug #35367 (project gsl):

The ode-initval2 test no longer fails, but others remain.

specfun:
FAIL: gsl_sf_hyperg_2F1_e(3.5, -0.5, 5.0, 0.9, &r) [2104]
  expected: 5.9239812843706530e-01
  obtained: 4.5788485734926559e-01 +/- 1.1491551919116466e-14
(rel=2.5097e-14)
  fracdiff: 1.2807336014025938e-01
 tolerance: 5.6843418860808015e-14
  value/expected not consistent within reported error
  value not within tolerance of expected value
  4.578848573492655949e-01  1.149155191911646631e-14
FAIL: gsl_sf_hyperg_2F1_e(-1.0, -10.0, 1.0, 0.5, &r) [2105]
  expected: 6.0000000000000000e+00
  obtained: 0.0000000000000000e+00 +/- 0.0000000000000000e+00 (rel=nan)
  fracdiff: 1.0000000000000000e+00
 tolerance: 4.4408920985006262e-16
  value/expected not consistent within reported error
  value not within tolerance of expected value
  unexpected return code: 24
  0.000000000000000000e+00  0.000000000000000000e+00
FAIL: Hypergeometric Functions [2134]
FAIL: gsl_sf_laguerre_n_e(1e6+1, 2.5, 2.5, &r) [2165]
  expected: -4.8017961545391276e+05
  obtained: -4.8017961546181823e+05 +/- 3.6891004271829821e-02
(rel=7.68275e-08)
  fracdiff: 8.2317878690294596e-12
 tolerance: 3.6379788070917130e-12
  value not within tolerance of expected value
  -4.801796154618182336e+05  3.689100427182982062e-02
FAIL: Laguerre Polynomials [2204]

poly:
FAIL: z11.real, 15th-order polynomial (1.00000003899845002 observed vs 2
expected) [179]
FAIL: z14.real, 15th-order polynomial (2.00000002744542504 observed vs 1
expected) [185]

cdf:
gsl: ../../gsl/cdf/gammainv.c:111: ERROR: inverse failed to converge

When compiling with -ffp-contract=off, the following failures remain:

specfun:
FAIL: gsl_sf_hyperg_2F1_e(3.5, -0.5, 5.0, 0.9, &r) [2104]
  expected: 5.9239812843706530e-01
  obtained: 4.5788485734926559e-01 +/- 1.1491551919116466e-14
(rel=2.5097e-14)
  fracdiff: 1.2807336014025938e-01
 tolerance: 5.6843418860808015e-14
  value/expected not consistent within reported error
  value not within tolerance of expected value
  4.578848573492655949e-01  1.149155191911646631e-14
FAIL: gsl_sf_hyperg_2F1_e(-1.0, -10.0, 1.0, 0.5, &r) [2105]
  expected: 6.0000000000000000e+00
  obtained: 0.0000000000000000e+00 +/- 0.0000000000000000e+00 (rel=nan)
  fracdiff: 1.0000000000000000e+00
 tolerance: 4.4408920985006262e-16
  value/expected not consistent within reported error
  value not within tolerance of expected value
  unexpected return code: 24
  0.000000000000000000e+00  0.000000000000000000e+00
FAIL: Hypergeometric Functions [2134]

poly:
gsl: ../../gsl/poly/zsolve.c:78: ERROR: root solving qr method failed to
converge

cdf:
gsl: ../../gsl/cdf/gammainv.c:111: ERROR: inverse failed to converge


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