Revert "MAINT: stats: update boost to improve skewnorm.ppf (scipy#2…

…0643)" This reverts commit ee6203d.
tylerjereddy · May 15, 2024 · f1575a8 · f1575a8
1 parent cec68d7
commit f1575a8
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Showing 2 changed files with 1 addition and 7 deletions.
diff --git a/scipy/_lib/boost_math b/scipy/_lib/boost_math
diff --git a/scipy/stats/tests/test_distributions.py b/scipy/stats/tests/test_distributions.py
@@ -4006,12 +4006,6 @@ def optimizer(fun, bounds):
         fit_result = stats.fit(stats.skewnorm, x, bounds, optimizer=optimizer)
         np.testing.assert_allclose(params, fit_result.params, rtol=1e-4)
 
-    def test_ppf(self):
-        # gh-20124 reported that Boost's ppf was wrong for high skewness
-        # Reference value was calculated using
-        # N[InverseCDF[SkewNormalDistribution[0, 1, 500], 1/100], 14] in Wolfram Alpha.
-        assert_allclose(stats.skewnorm.ppf(0.01, 500), 0.012533469508013, rtol=1e-13)
-
 
 class TestExpon:
     def test_zero(self):