luke
/
klayout
mirror of https://github.com/KLayout/klayout.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

WIP: added tests for variant fuzzy compare

This commit is contained in:
Matthias Koefferlein 2023-02-21 16:05:45 +01:00
parent e709218db9
commit b421f1e499
1 changed files with 28 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

30
src/tl/unit_tests/tlVariantTests.cc
View File

@ -1059,7 +1059,33 @@ TEST(5)
EXPECT_EQ (m [" 3"], 0);
}
// fuzzy compare of doubles
TEST(6)
{
volatile double a = 10.0;
EXPECT_EQ (tl::Variant (0.1) == tl::Variant (1.0 / a), true);
EXPECT_EQ (tl::Variant (0.1) == tl::Variant (0.1 * (1.0 + 1e-14)), true);
EXPECT_EQ (tl::Variant (0.1) == tl::Variant (0.1 * (1.0 + 0.9e-13)), true);
EXPECT_EQ (tl::Variant (0.1) == tl::Variant (0.1 * (1.0 + 1.1e-13)), false);
EXPECT_EQ (tl::Variant (0.1) == tl::Variant (0.1 * (1.0 + 1e-12)), false);
EXPECT_EQ (tl::Variant (-0.1) == tl::Variant (-0.1 * (1.0 + 0.9e-13)), true);
EXPECT_EQ (tl::Variant (-0.1) == tl::Variant (-0.1 * (1.0 + 1.1e-13)), false);
EXPECT_EQ (tl::Variant (0.1) == tl::Variant (-0.1 * (1.0 + 0.9e-13)), false);
EXPECT_EQ (tl::Variant (0.1) == tl::Variant (-0.1 * (1.0 + 1.1e-13)), false);
EXPECT_EQ (tl::Variant (0.1) < tl::Variant (1.0 / a), false);
EXPECT_EQ (tl::Variant (0.1) < tl::Variant (0.1 * (1.0 + 1e-14)), false);
EXPECT_EQ (tl::Variant (0.1) < tl::Variant (0.1 * (1.0 + 0.9e-13)), false);
EXPECT_EQ (tl::Variant (0.1) < tl::Variant (0.1 * (1.0 + 1.1e-13)), true);
EXPECT_EQ (tl::Variant (0.1) < tl::Variant (0.1 * (1.0 + 1e-12)), true);
EXPECT_EQ (tl::Variant (-0.1) < tl::Variant (-0.1 * (1.0 + 0.9e-13)), false);
EXPECT_EQ (tl::Variant (-0.1) < tl::Variant (-0.1 * (1.0 + 1.1e-13)), false);
EXPECT_EQ (tl::Variant (0.1) < tl::Variant (-0.1 * (1.0 + 0.9e-13)), false);
EXPECT_EQ (tl::Variant (0.1) < tl::Variant (-0.1 * (1.0 + 1.1e-13)), false);
EXPECT_EQ (tl::Variant (-0.1 * (1.0 + 0.9e-13)) < tl::Variant (-0.1), false);
EXPECT_EQ (tl::Variant (-0.1 * (1.0 + 1.1e-13)) < tl::Variant (-0.1), true);
EXPECT_EQ (tl::Variant (-0.1 * (1.0 + 0.9e-13)) < tl::Variant (0.1), true);
EXPECT_EQ (tl::Variant (-0.1 * (1.0 + 1.1e-13)) < tl::Variant (0.1), true);
}
}