orange/omath
1
0
Fork 0
mirror of https://github.com/orange-cpp/omath.git synced 2026-08-07 21:42:05 +00:00
Code Issues Packages Projects Releases Wiki Activity

improved angle class

Browse Source
This commit is contained in:
Orange
2026-07-19 23:44:50 +03:00
parent 5591eb6f88
commit ecc9852cd8
6 changed files with 99 additions and 66 deletions
Download Patch File Download Diff File Expand all files Collapse all files
tests/general/unit_test_angle.cpp
+38 -13
View File
@@ -14,9 +14,14 @@ namespace
// Handy aliases (defaults: Type=float, [0,360], Normalized)
using Deg = Angle<float, static_cast<float>(0), static_cast<float>(360), AngleFlags::Normalized>;
using Fov = Angle<float, static_cast<float>(0), static_cast<float>(180), AngleFlags::Clamped>;
using Offset = Angle<float, static_cast<float>(10), static_cast<float>(20), AngleFlags::Clamped>;
using Pitch = Angle<float, static_cast<float>(-90), static_cast<float>(90), AngleFlags::Clamped>;
using Turn = Angle<float, static_cast<float>(-180), static_cast<float>(180), AngleFlags::Normalized>;
template<class Type>
concept SupportedAngleType = requires { typename Angle<Type>; };
constexpr float k_eps = 1e-5f;
constexpr bool close_to(const float actual, const float expected, const float epsilon)
@@ -36,6 +41,12 @@ TEST(UnitTestAngle, DefaultConstructor_IsZeroDegrees)
EXPECT_FLOAT_EQ(a.as_degrees(), 0.0f);
}
TEST(UnitTestAngle, DefaultConstructor_AppliesRangePolicy)
{
constexpr Offset a;
EXPECT_FLOAT_EQ(a.as_degrees(), 10.0f);
}
TEST(UnitTestAngle, FromDegrees_Normalized_WrapsAboveMax)
{
const Deg a = Deg::from_degrees(370.0f);
@@ -66,6 +77,14 @@ TEST(UnitTestAngle, FromRadians_And_AsRadians)
EXPECT_NEAR(b.as_radians(), std::numbers::pi_v<float>, 1e-6f);
}
TEST(UnitTestAngle, FromInverseTrigonometricFunctions)
{
EXPECT_NEAR(Pitch::from_asin(0.5f).as_degrees(), 30.0f, k_eps);
EXPECT_NEAR(Pitch::from_acos(0.5f).as_degrees(), 60.0f, k_eps);
EXPECT_NEAR(Pitch::from_atan(1.0f).as_degrees(), 45.0f, k_eps);
EXPECT_NEAR(Turn::from_atan2(-1.0f, -1.0f).as_degrees(), -135.0f, k_eps);
}
// ---------- Unary minus & deref ----------
TEST(UnitTestAngle, UnaryMinus_Normalized)
@@ -101,17 +120,6 @@ TEST(UnitTestAngle, SinCosTanCot_BasicCases)
EXPECT_NEAR(a90.cos(), 0.0f, 1e-4f);
}
TEST(UnitTestAngle, Atan_IsAtanOfRadians)
{
// atan(as_radians). For 0° -> atan(0)=0.
const Deg a0 = Deg::from_degrees(0.0f);
EXPECT_NEAR(a0.atan(), 0.0f, k_eps);
const Deg a45 = Deg::from_degrees(45.0f);
// atan(pi/4) ≈ 0.665773...
EXPECT_NEAR(a45.atan(), 0.66577375f, 1e-6f);
}
// ---------- Compound arithmetic ----------
TEST(UnitTestAngle, PlusEquals_Normalized_Wraps)
@@ -142,6 +150,16 @@ TEST(UnitTestAngle, MinusEquals_Clamped_Clamps)
EXPECT_FLOAT_EQ(p.as_degrees(), -90.0f);
}
TEST(UnitTestAngle, Subtraction_ClampedNonSymmetricRange)
{
Fov compound = Fov::from_degrees(90.0f);
compound -= Fov::from_degrees(10.0f);
EXPECT_FLOAT_EQ(compound.as_degrees(), 80.0f);
const Fov binary = Fov::from_degrees(90.0f) - Fov::from_degrees(10.0f);
EXPECT_FLOAT_EQ(binary.as_degrees(), 80.0f);
}
// ---------- Alternative ranges ----------
TEST(UnitTestAngle, NormalizedRange_Neg180To180)
@@ -205,5 +223,12 @@ static_assert(close_to(Pitch::from_degrees(45.0f).tan(), 1.0f, 1e-4f),
"Tan should be constexpr with embedded constexpr math");
static_assert(close_to(Pitch::from_degrees(45.0f).cot(), 1.0f, 1e-4f),
"Cot should be constexpr with embedded constexpr math");
static_assert(close_to(Pitch::from_degrees(45.0f).atan(), 0.66577375f, 1e-6f),
"Atan should be constexpr with embedded constexpr math");
static_assert(close_to(Pitch::from_asin(0.5f).as_degrees(), 30.0f, k_eps),
"From asin should be constexpr with embedded constexpr math");
static_assert(close_to(Pitch::from_acos(0.5f).as_degrees(), 60.0f, k_eps),
"From acos should be constexpr with embedded constexpr math");
static_assert(close_to(Pitch::from_atan(1.0f).as_degrees(), 45.0f, k_eps),
"From atan should be constexpr with embedded constexpr math");
static_assert(close_to(Turn::from_atan2(-1.0f, -1.0f).as_degrees(), -135.0f, k_eps),
"From atan2 should be constexpr with embedded constexpr math");
static_assert(!SupportedAngleType<int>, "Angle should only accept floating-point types");