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AP_Math: add tests to is_equal()

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Contemplate the use of double values.
This commit is contained in:
Lucas De Marchi 2017-01-25 00:50:52 -08:00
parent 4f8d2059f8
commit 69a9cd3625
1 changed files with 8 additions and 0 deletions
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8
libraries/AP_Math/tests/test_math.cpp
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@ -80,6 +80,14 @@ TEST(MathTest, IsEqual)
EXPECT_FALSE(is_equal(0.1, -0.1001));
EXPECT_TRUE(is_equal(0.f, 0.0f));
EXPECT_FALSE(is_equal(1.f, 1.f + FLT_EPSILON));
EXPECT_TRUE(is_equal(1.f, 1.f + FLT_EPSILON / 2.f));
EXPECT_TRUE(is_equal(1.f, (float)(1.f - DBL_EPSILON)));
// false because the common type is double
EXPECT_FALSE(is_equal(1., 1. + 2 * std::numeric_limits<double>::epsilon()));
// true because the common type is float
EXPECT_TRUE(is_equal(1.f, (float)(1. + std::numeric_limits<double>::epsilon())));
}
TEST(MathTest, Square)