LinearAlgebra/LinearAlgebra-cpp
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Backporting some style changes from Python

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This commit is contained in:
Pascal Serrarens 2025-03-31 08:45:39 +02:00
parent fea15c31ca
commit 54634f0582
2 changed files with 76 additions and 76 deletions
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10
Direction.h
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@ -24,11 +24,6 @@ struct Vector3;
/// ranges.
template <typename T> class DirectionOf {
public:
/// @brief horizontal angle, range= (-180..180]
AngleOf<T> horizontal;
/// @brief vertical angle, range in degrees = (-90..90]
AngleOf<T> vertical;
/// @brief Create a new direction with zero angles
DirectionOf<T>();
/// @brief Create a new direction
@ -36,6 +31,11 @@ public:
/// @param vertical The vertical angle.
DirectionOf<T>(AngleOf<T> horizontal, AngleOf<T> vertical);
/// @brief horizontal angle, range= (-180..180]
AngleOf<T> horizontal;
/// @brief vertical angle, range in degrees = (-90..90]
AngleOf<T> vertical;
/// @brief Convert the direction into a carthesian vector
/// @return The carthesian vector corresponding to this direction.
Vector3 ToVector3() const;

142
test/Vector2_test.cc
View File

@ -34,32 +34,26 @@ TEST(Vector2, FromPolar) {
EXPECT_FLOAT_EQ(r.y, 0.0F) << "FromPolar(0 0)";
}
TEST(Vector2, Magnitude) {
Vector2 v = Vector2(1, 2);
float m = 0;
TEST(Vector2, Equality) {
Vector2 v1 = Vector2(4, 5);
Vector2 v2 = Vector2(1, 2);
bool r = false;
m = v.magnitude();
EXPECT_FLOAT_EQ(m, 2.236068F) << "v.magnitude 1 2";
r = v1 == v2;
EXPECT_FALSE(r) << "4 5 == 1 2";
m = Vector2::Magnitude(v);
EXPECT_FLOAT_EQ(m, 2.236068F) << "Vector2::Magnitude 1 2";
v = Vector2(-1, -2);
m = v.magnitude();
EXPECT_FLOAT_EQ(m, 2.236068F) << "v.magnitude -1 -2";
v = Vector2(0, 0);
m = v.magnitude();
EXPECT_FLOAT_EQ(m, 0) << "v.magnitude 0 0 ";
v2 = Vector2(4, 5);
r = v1 == v2;
EXPECT_TRUE(r) << "4 5 == 1 2";
if (std::numeric_limits<float>::is_iec559) {
v = Vector2(FLOAT_INFINITY, FLOAT_INFINITY);
m = v.magnitude();
EXPECT_FLOAT_EQ(m, FLOAT_INFINITY) << "v.magnitude INFINITY INFINITY ";
v2 = Vector2(FLOAT_INFINITY, FLOAT_INFINITY);
r = v1 == v2;
EXPECT_FALSE(r) << "4 5 == INFINITY INFINITY";
v = Vector2(-FLOAT_INFINITY, -FLOAT_INFINITY);
m = v.magnitude();
EXPECT_FLOAT_EQ(m, FLOAT_INFINITY) << "v.magnitude -INFINITY -INFINITY ";
v1 = Vector2(-FLOAT_INFINITY, -FLOAT_INFINITY);
r = v1 == v2;
EXPECT_FALSE(r) << "-INFINITY -INFINITY == INFINITY INFINITY";
}
}
@ -92,6 +86,35 @@ TEST(Vector2, SqrMagnitude) {
}
}
TEST(Vector2, Magnitude) {
Vector2 v = Vector2(1, 2);
float m = 0;
m = v.magnitude();
EXPECT_FLOAT_EQ(m, 2.236068F) << "v.magnitude 1 2";
m = Vector2::Magnitude(v);
EXPECT_FLOAT_EQ(m, 2.236068F) << "Vector2::Magnitude 1 2";
v = Vector2(-1, -2);
m = v.magnitude();
EXPECT_FLOAT_EQ(m, 2.236068F) << "v.magnitude -1 -2";
v = Vector2(0, 0);
m = v.magnitude();
EXPECT_FLOAT_EQ(m, 0) << "v.magnitude 0 0 ";
if (std::numeric_limits<float>::is_iec559) {
v = Vector2(FLOAT_INFINITY, FLOAT_INFINITY);
m = v.magnitude();
EXPECT_FLOAT_EQ(m, FLOAT_INFINITY) << "v.magnitude INFINITY INFINITY ";
v = Vector2(-FLOAT_INFINITY, -FLOAT_INFINITY);
m = v.magnitude();
EXPECT_FLOAT_EQ(m, FLOAT_INFINITY) << "v.magnitude -INFINITY -INFINITY ";
}
}
TEST(Vector2, Normalize) {
bool r = false;
@ -311,56 +334,6 @@ TEST(Vector2, Divide) {
}
}
TEST(Vector2, Dot) {
Vector2 v1 = Vector2(4, 5);
Vector2 v2 = Vector2(1, 2);
float f = 0;
f = Vector2::Dot(v1, v2);
EXPECT_FLOAT_EQ(f, 14) << "Dot(4 5, 1 2)";
v2 = Vector2(-1, -2);
f = Vector2::Dot(v1, v2);
EXPECT_FLOAT_EQ(f, -14) << "Dot(4 5, -1 -2)";
v2 = Vector2(0, 0);
f = Vector2::Dot(v1, v2);
EXPECT_FLOAT_EQ(f, 0) << "Dot(4 5, 0 0)";
if (std::numeric_limits<float>::is_iec559) {
v2 = Vector2(FLOAT_INFINITY, FLOAT_INFINITY);
f = Vector2::Dot(v1, v2);
EXPECT_FLOAT_EQ(f, FLOAT_INFINITY) << "Dot(4 5, INFINITY INFINITY)";
v2 = Vector2(-FLOAT_INFINITY, -FLOAT_INFINITY);
f = Vector2::Dot(v1, v2);
EXPECT_FLOAT_EQ(f, -FLOAT_INFINITY) << "Dot(4 5, -INFINITY -INFINITY)";
}
}
TEST(Vector2, Equality) {
Vector2 v1 = Vector2(4, 5);
Vector2 v2 = Vector2(1, 2);
bool r = false;
r = v1 == v2;
EXPECT_FALSE(r) << "4 5 == 1 2";
v2 = Vector2(4, 5);
r = v1 == v2;
EXPECT_TRUE(r) << "4 5 == 1 2";
if (std::numeric_limits<float>::is_iec559) {
v2 = Vector2(FLOAT_INFINITY, FLOAT_INFINITY);
r = v1 == v2;
EXPECT_FALSE(r) << "4 5 == INFINITY INFINITY";
v1 = Vector2(-FLOAT_INFINITY, -FLOAT_INFINITY);
r = v1 == v2;
EXPECT_FALSE(r) << "-INFINITY -INFINITY == INFINITY INFINITY";
}
}
TEST(Vector2, Distance) {
Vector2 v1 = Vector2(4, 5);
Vector2 v2 = Vector2(1, 2);
@ -388,6 +361,33 @@ TEST(Vector2, Distance) {
}
}
TEST(Vector2, Dot) {
Vector2 v1 = Vector2(4, 5);
Vector2 v2 = Vector2(1, 2);
float f = 0;
f = Vector2::Dot(v1, v2);
EXPECT_FLOAT_EQ(f, 14) << "Dot(4 5, 1 2)";
v2 = Vector2(-1, -2);
f = Vector2::Dot(v1, v2);
EXPECT_FLOAT_EQ(f, -14) << "Dot(4 5, -1 -2)";
v2 = Vector2(0, 0);
f = Vector2::Dot(v1, v2);
EXPECT_FLOAT_EQ(f, 0) << "Dot(4 5, 0 0)";
if (std::numeric_limits<float>::is_iec559) {
v2 = Vector2(FLOAT_INFINITY, FLOAT_INFINITY);
f = Vector2::Dot(v1, v2);
EXPECT_FLOAT_EQ(f, FLOAT_INFINITY) << "Dot(4 5, INFINITY INFINITY)";
v2 = Vector2(-FLOAT_INFINITY, -FLOAT_INFINITY);
f = Vector2::Dot(v1, v2);
EXPECT_FLOAT_EQ(f, -FLOAT_INFINITY) << "Dot(4 5, -INFINITY -INFINITY)";
}
}
TEST(Vector2, Angle) {
Vector2 v1 = Vector2(4, 5);
Vector2 v2 = Vector2(1, 2);