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added mat tests and triangle tests

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Orange
2026-06-11 23:49:03 +03:00
parent a741fc1485
commit 854b50f317
4 changed files with 122 additions and 16 deletions
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tests/general/unit_test_mat.cpp
+59 -1
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@@ -1,11 +1,25 @@
// UnitTestMat.cpp
#include "omath/linear_algebra/mat.hpp"
#include "omath/linear_algebra/vector3.hpp"
#include "omath/trigonometry/angle.hpp"
#include "omath/trigonometry/angles.hpp"
#include <gtest/gtest.h>
using namespace omath;
#ifdef OMATH_USE_GCEM
namespace
{
using Pitch = Angle<float, static_cast<float>(-90), static_cast<float>(90), AngleFlags::Clamped>;
constexpr bool close_to(const float actual, const float expected, const float epsilon)
{
const float diff = actual - expected;
return (diff < 0.0f ? -diff : diff) <= epsilon;
}
} // namespace
#endif
class UnitTestMat : public ::testing::Test
{
protected:
@@ -522,4 +536,48 @@ TEST(UnitTestMatStandalone, MatOrthoNegativeOneToOneDefault)
NDCDepthRange::NEGATIVE_ONE_TO_ONE>(-1.f, 1.f, -1.f, 1.f, 0.1f, 100.f);
EXPECT_EQ(ortho_default, ortho_explicit);
}
}
#ifdef OMATH_USE_GCEM
static_assert(
[]
{
constexpr auto scale = mat_extract_scale(mat_scale(Vector3{2.0f, 3.0f, 4.0f}));
return close_to(scale.x, 2.0f, 1e-5f) && close_to(scale.y, 3.0f, 1e-5f) && close_to(scale.z, 4.0f, 1e-5f);
}(),
"Mat scale extraction should be constexpr with gcem");
static_assert(
[]
{
constexpr auto rotation = mat_rotation_axis_z<float>(Pitch::from_degrees(90.0f));
return close_to(rotation.at(0, 0), 0.0f, 1e-5f) && close_to(rotation.at(0, 1), -1.0f, 1e-5f)
&& close_to(rotation.at(1, 0), 1.0f, 1e-5f) && close_to(rotation.at(1, 1), 0.0f, 1e-5f)
&& close_to(rotation.at(2, 2), 1.0f, 1e-5f) && close_to(rotation.at(3, 3), 1.0f, 1e-5f);
}(),
"Mat rotation should be constexpr with gcem");
static_assert(
[]
{
constexpr auto projection =
mat_perspective_left_handed_vertical_fov<float, MatStoreType::ROW_MAJOR,
NDCDepthRange::ZERO_TO_ONE>(90.0f, 1.0f, 1.0f, 11.0f);
return close_to(projection.at(0, 0), 1.0f, 1e-5f) && close_to(projection.at(1, 1), 1.0f, 1e-5f)
&& close_to(projection.at(2, 2), 1.1f, 1e-5f) && close_to(projection.at(2, 3), -1.1f, 1e-5f)
&& close_to(projection.at(3, 2), 1.0f, 1e-5f);
}(),
"Mat vertical-FOV perspective should be constexpr with gcem");
static_assert(
[]
{
constexpr auto projection =
mat_perspective_right_handed_horizontal_fov<float, MatStoreType::ROW_MAJOR,
NDCDepthRange::ZERO_TO_ONE>(90.0f, 2.0f, 1.0f, 11.0f);
return close_to(projection.at(0, 0), 1.0f, 1e-5f) && close_to(projection.at(1, 1), 2.0f, 1e-5f)
&& close_to(projection.at(2, 2), -1.1f, 1e-5f) && close_to(projection.at(2, 3), -1.1f, 1e-5f)
&& close_to(projection.at(3, 2), -1.0f, 1e-5f);
}(),
"Mat horizontal-FOV perspective should be constexpr with gcem");
#endif
tests/general/unit_test_triangle.cpp
+28
View File
@@ -8,6 +8,17 @@
using namespace omath;
#ifdef OMATH_USE_GCEM
namespace
{
constexpr bool close_to(const float actual, const float expected, const float epsilon)
{
const float diff = actual - expected;
return (diff < 0.0f ? -diff : diff) <= epsilon;
}
} // namespace
#endif
class UnitTestTriangle : public ::testing::Test
{
protected:
@@ -129,3 +140,20 @@ TEST_F(UnitTestTriangle, MidPoint)
EXPECT_FLOAT_EQ(mid2.y, (2.0f + 5.0f + 8.0f) / 3.0f);
EXPECT_FLOAT_EQ(mid2.z, (3.0f + 6.0f + 9.0f) / 3.0f);
}
#ifdef OMATH_USE_GCEM
static_assert(
[]
{
constexpr Triangle<Vector3<float>> triangle{{3.0f, 0.0f, 0.0f}, {0.0f, 0.0f, 0.0f}, {0.0f, 4.0f, 0.0f}};
constexpr auto normal = triangle.calculate_normal();
constexpr auto mid_point = triangle.mid_point();
return close_to(triangle.side_a_length(), 3.0f, 1e-5f) && close_to(triangle.side_b_length(), 4.0f, 1e-5f)
&& close_to(triangle.hypot(), 5.0f, 1e-5f) && triangle.is_rectangular()
&& close_to(normal.length(), 1.0f, 1e-5f) && close_to(normal.z, -1.0f, 1e-5f)
&& close_to(mid_point.x, 1.0f, 1e-5f) && close_to(mid_point.y, 4.0f / 3.0f, 1e-5f)
&& close_to(mid_point.z, 0.0f, 1e-5f);
}(),
"Triangle helpers should be constexpr with gcem");
#endif