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- #include <glm/geometric.hpp>
- #include <glm/trigonometric.hpp>
- #include <glm/ext/scalar_relational.hpp>
- #include <glm/ext/vector_relational.hpp>
- #include <glm/ext/vector_float1.hpp>
- #include <glm/ext/vector_float2.hpp>
- #include <glm/ext/vector_float3.hpp>
- #include <glm/ext/vector_float4.hpp>
- #include <glm/ext/vector_double2.hpp>
- #include <glm/ext/vector_double3.hpp>
- #include <glm/ext/vector_double4.hpp>
- #include <limits>
-
- namespace length
- {
- int test()
- {
- float Length1 = glm::length(glm::vec1(1));
- float Length2 = glm::length(glm::vec2(1, 0));
- float Length3 = glm::length(glm::vec3(1, 0, 0));
- float Length4 = glm::length(glm::vec4(1, 0, 0, 0));
-
- int Error = 0;
-
- Error += glm::abs(Length1 - 1.0f) < std::numeric_limits<float>::epsilon() ? 0 : 1;
- Error += glm::abs(Length2 - 1.0f) < std::numeric_limits<float>::epsilon() ? 0 : 1;
- Error += glm::abs(Length3 - 1.0f) < std::numeric_limits<float>::epsilon() ? 0 : 1;
- Error += glm::abs(Length4 - 1.0f) < std::numeric_limits<float>::epsilon() ? 0 : 1;
-
- return Error;
- }
- }//namespace length
-
- namespace distance
- {
- int test()
- {
- float Distance1 = glm::distance(glm::vec1(1), glm::vec1(1));
- float Distance2 = glm::distance(glm::vec2(1, 0), glm::vec2(1, 0));
- float Distance3 = glm::distance(glm::vec3(1, 0, 0), glm::vec3(1, 0, 0));
- float Distance4 = glm::distance(glm::vec4(1, 0, 0, 0), glm::vec4(1, 0, 0, 0));
-
- int Error = 0;
-
- Error += glm::abs(Distance1) < std::numeric_limits<float>::epsilon() ? 0 : 1;
- Error += glm::abs(Distance2) < std::numeric_limits<float>::epsilon() ? 0 : 1;
- Error += glm::abs(Distance3) < std::numeric_limits<float>::epsilon() ? 0 : 1;
- Error += glm::abs(Distance4) < std::numeric_limits<float>::epsilon() ? 0 : 1;
-
- return Error;
- }
- }//namespace distance
-
- namespace dot
- {
- int test()
- {
- float Dot1 = glm::dot(glm::vec1(1), glm::vec1(1));
- float Dot2 = glm::dot(glm::vec2(1), glm::vec2(1));
- float Dot3 = glm::dot(glm::vec3(1), glm::vec3(1));
- float Dot4 = glm::dot(glm::vec4(1), glm::vec4(1));
-
- int Error = 0;
-
- Error += glm::abs(Dot1 - 1.0f) < std::numeric_limits<float>::epsilon() ? 0 : 1;
- Error += glm::abs(Dot2 - 2.0f) < std::numeric_limits<float>::epsilon() ? 0 : 1;
- Error += glm::abs(Dot3 - 3.0f) < std::numeric_limits<float>::epsilon() ? 0 : 1;
- Error += glm::abs(Dot4 - 4.0f) < std::numeric_limits<float>::epsilon() ? 0 : 1;
-
- return Error;
- }
- }//namespace dot
-
- namespace cross
- {
- int test()
- {
- glm::vec3 Cross1 = glm::cross(glm::vec3(1, 0, 0), glm::vec3(0, 1, 0));
- glm::vec3 Cross2 = glm::cross(glm::vec3(0, 1, 0), glm::vec3(1, 0, 0));
-
- int Error = 0;
-
- Error += glm::all(glm::lessThan(glm::abs(Cross1 - glm::vec3(0, 0, 1)), glm::vec3(std::numeric_limits<float>::epsilon()))) ? 0 : 1;
- Error += glm::all(glm::lessThan(glm::abs(Cross2 - glm::vec3(0, 0,-1)), glm::vec3(std::numeric_limits<float>::epsilon()))) ? 0 : 1;
-
- return Error;
- }
- }//namespace cross
-
- namespace normalize
- {
- int test()
- {
- glm::vec3 Normalize1 = glm::normalize(glm::vec3(1, 0, 0));
- glm::vec3 Normalize2 = glm::normalize(glm::vec3(2, 0, 0));
-
- glm::vec3 Normalize3 = glm::normalize(glm::vec3(-0.6, 0.7, -0.5));
-
- glm::vec3 ro = glm::vec3(glm::cos(5.f) * 3.f, 2.f, glm::sin(5.f) * 3.f);
- glm::vec3 w = glm::normalize(glm::vec3(0, -0.2f, 0) - ro);
- glm::vec3 u = glm::normalize(glm::cross(w, glm::vec3(0, 1, 0)));
- glm::vec3 v = glm::cross(u, w);
-
- int Error = 0;
-
- Error += glm::all(glm::lessThan(glm::abs(Normalize1 - glm::vec3(1, 0, 0)), glm::vec3(std::numeric_limits<float>::epsilon()))) ? 0 : 1;
- Error += glm::all(glm::lessThan(glm::abs(Normalize2 - glm::vec3(1, 0, 0)), glm::vec3(std::numeric_limits<float>::epsilon()))) ? 0 : 1;
-
- return Error;
- }
- }//namespace normalize
-
- namespace faceforward
- {
- int test()
- {
- int Error = 0;
-
- {
- glm::vec3 N(0.0f, 0.0f, 1.0f);
- glm::vec3 I(1.0f, 0.0f, 1.0f);
- glm::vec3 Nref(0.0f, 0.0f, 1.0f);
- glm::vec3 F = glm::faceforward(N, I, Nref);
- }
-
- return Error;
- }
- }//namespace faceforward
-
- namespace reflect
- {
- int test()
- {
- int Error = 0;
-
- {
- glm::vec2 A(1.0f,-1.0f);
- glm::vec2 B(0.0f, 1.0f);
- glm::vec2 C = glm::reflect(A, B);
- Error += glm::all(glm::equal(C, glm::vec2(1.0, 1.0), 0.0001f)) ? 0 : 1;
- }
-
- {
- glm::dvec2 A(1.0f,-1.0f);
- glm::dvec2 B(0.0f, 1.0f);
- glm::dvec2 C = glm::reflect(A, B);
- Error += glm::all(glm::equal(C, glm::dvec2(1.0, 1.0), 0.0001)) ? 0 : 1;
- }
-
- return Error;
- }
- }//namespace reflect
-
- namespace refract
- {
- int test()
- {
- int Error = 0;
-
- {
- float A(-1.0f);
- float B(1.0f);
- float C = glm::refract(A, B, 0.5f);
- Error += glm::equal(C, -1.0f, 0.0001f) ? 0 : 1;
- }
-
- {
- glm::vec2 A(0.0f,-1.0f);
- glm::vec2 B(0.0f, 1.0f);
- glm::vec2 C = glm::refract(A, B, 0.5f);
- Error += glm::all(glm::equal(C, glm::vec2(0.0, -1.0), 0.0001f)) ? 0 : 1;
- }
-
- {
- glm::dvec2 A(0.0f,-1.0f);
- glm::dvec2 B(0.0f, 1.0f);
- glm::dvec2 C = glm::refract(A, B, 0.5);
- Error += glm::all(glm::equal(C, glm::dvec2(0.0, -1.0), 0.0001)) ? 0 : 1;
- }
-
- return Error;
- }
- }//namespace refract
-
- int main()
- {
- int Error(0);
-
- Error += length::test();
- Error += distance::test();
- Error += dot::test();
- Error += cross::test();
- Error += normalize::test();
- Error += faceforward::test();
- Error += reflect::test();
- Error += refract::test();
-
- return Error;
- }
-
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