From 5ba64b5cb9ccb26de361b09ddf8da8c2f1cc89ba Mon Sep 17 00:00:00 2001
From: "Joachim Wuttke (o)" <j.wuttke@fz-juelich.de>
Date: Thu, 31 Mar 2016 11:19:43 +0200
Subject: [PATCH] Test of precomputed factorial vs tgamma outcommented because
tgamma is too unprecise under glibc 2.12. Instead, test 150! vs value from
Wolfram Alpha.
---
Tests/UnitTests/TestCore/PrecomputedTest.h | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/Tests/UnitTests/TestCore/PrecomputedTest.h b/Tests/UnitTests/TestCore/PrecomputedTest.h
index 829bf504311..260fc938e18 100644
--- a/Tests/UnitTests/TestCore/PrecomputedTest.h
+++ b/Tests/UnitTests/TestCore/PrecomputedTest.h
@@ -19,8 +19,12 @@ TEST_F(PrecomputedTest, Factorial)
EXPECT_DOUBLE_EQ(precomputed.factorial[1], 1.);
EXPECT_DOUBLE_EQ(precomputed.factorial[2], 2.);
EXPECT_DOUBLE_EQ(precomputed.factorial[3], 6.);
+ /* the following disabled because tgamma is too unprecise under
+ old versions of glibc (at leat up to 2.12, but less than 2.22)
for( size_t k=4; k<precomputed.factorial.size(); ++k )
EXPECT_NEAR(precomputed.factorial[k], tgamma(k+1.), 12*eps*tgamma(k+1.) );
+ */
+ EXPECT_NEAR(precomputed.factorial[150], 5.71338395644585459e262, 4*eps*precomputed.factorial[150]);
}
#endif
--
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