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[wpimath] Increase constexpr support in geometry data types (#4231)

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This uses std::is_constant_evaluated() to conditionally use the gcem library for constexpr calculations.
This commit is contained in:
David K Turner
2022-10-31 11:17:00 -05:00
committed by GitHub
parent 1c3c86e9f1
commit 3a5a376465
94 changed files with 6919 additions and 212 deletions
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19
wpimath/src/test/native/cpp/geometry/Rotation2dTest.cpp
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@@ -63,3 +63,22 @@ TEST(Rotation2dTest, Inequality) {
const auto rot2 = Rotation2d{43.5_deg};
EXPECT_NE(rot1, rot2);
}
TEST(Rotation2dTest, Constexpr) {
constexpr Rotation2d defaultCtor;
constexpr Rotation2d radianCtor{5_rad};
constexpr Rotation2d degreeCtor{270_deg};
constexpr Rotation2d rotation45{45_deg};
constexpr Rotation2d cartesianCtor{3.5, -3.5};
constexpr auto negated = -radianCtor;
constexpr auto multiplied = radianCtor * 2;
constexpr auto subtracted = cartesianCtor - degreeCtor;
static_assert(defaultCtor.Radians() == 0_rad);
static_assert(degreeCtor.Degrees() == 270_deg);
static_assert(negated.Radians() == (-5_rad));
static_assert(multiplied.Radians() == 10_rad);
static_assert(subtracted == rotation45);
static_assert(radianCtor != degreeCtor);
}