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LGM / diff-gaussian-rasterization /third_party /glm /test /ext /ext_quaternion_exponential.cpp
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ashawkey
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#include <glm/ext/quaternion_exponential.hpp>
#include <glm/ext/quaternion_float.hpp>
#include <glm/ext/quaternion_float_precision.hpp>
#include <glm/ext/quaternion_double.hpp>
#include <glm/ext/quaternion_double_precision.hpp>
#include <glm/ext/quaternion_relational.hpp>
#include <glm/ext/vector_float3.hpp>
#include <glm/ext/vector_float3_precision.hpp>
#include <glm/ext/vector_double3.hpp>
#include <glm/ext/vector_double3_precision.hpp>
#include <glm/ext/scalar_constants.hpp>
template <typename quaType, typename vecType>
int test_log()
{
typedef typename quaType::value_type T;
T const Epsilon = static_cast<T>(0.001f);
int Error = 0;
quaType const Q(vecType(1, 0, 0), vecType(0, 1, 0));
quaType const P = glm::log(Q);
Error += glm::any(glm::notEqual(Q, P, Epsilon)) ? 0 : 1;
quaType const R = glm::exp(P);
Error += glm::all(glm::equal(Q, R, Epsilon)) ? 0 : 1;
return Error;
}
template <typename quaType, typename vecType>
int test_pow()
{
typedef typename quaType::value_type T;
T const Epsilon = static_cast<T>(0.001f);
int Error = 0;
quaType const Q(vecType(1, 0, 0), vecType(0, 1, 0));
{
T const One = static_cast<T>(1.0f);
quaType const P = glm::pow(Q, One);
Error += glm::all(glm::equal(Q, P, Epsilon)) ? 0 : 1;
}
{
T const Two = static_cast<T>(2.0f);
quaType const P = glm::pow(Q, Two);
quaType const R = Q * Q;
Error += glm::all(glm::equal(P, R, Epsilon)) ? 0 : 1;
quaType const U = glm::sqrt(P);
Error += glm::all(glm::equal(Q, U, Epsilon)) ? 0 : 1;
}
return Error;
}
int main()
{
int Error = 0;
Error += test_log<glm::quat, glm::vec3>();
Error += test_log<glm::lowp_quat, glm::lowp_vec3>();
Error += test_log<glm::mediump_quat, glm::mediump_vec3>();
Error += test_log<glm::highp_quat, glm::highp_vec3>();
Error += test_log<glm::dquat, glm::dvec3>();
Error += test_log<glm::lowp_dquat, glm::lowp_dvec3>();
Error += test_log<glm::mediump_dquat, glm::mediump_dvec3>();
Error += test_log<glm::highp_dquat, glm::highp_dvec3>();
Error += test_pow<glm::quat, glm::vec3>();
Error += test_pow<glm::lowp_quat, glm::lowp_vec3>();
Error += test_pow<glm::mediump_quat, glm::mediump_vec3>();
Error += test_pow<glm::highp_quat, glm::highp_vec3>();
Error += test_pow<glm::dquat, glm::dvec3>();
Error += test_pow<glm::lowp_dquat, glm::lowp_dvec3>();
Error += test_pow<glm::mediump_dquat, glm::mediump_dvec3>();
Error += test_pow<glm::highp_dquat, glm::highp_dvec3>();
return Error;
}