mirror of
https://github.com/g-truc/glm.git
synced 2024-11-17 15:24:35 +00:00
100 lines
2.2 KiB
C++
100 lines
2.2 KiB
C++
#include <glm/ext/vector_ulp.hpp>
|
|
#include <glm/ext/vector_relational.hpp>
|
|
#include <glm/ext/vector_float4.hpp>
|
|
#include <glm/ext/vector_double4.hpp>
|
|
#include <glm/ext/vector_int4.hpp>
|
|
|
|
static int test_ulp_float_dist()
|
|
{
|
|
int Error = 0;
|
|
|
|
glm::vec4 const A(1.0f);
|
|
|
|
glm::vec4 const B = glm::nextFloat(A);
|
|
Error += glm::any(glm::notEqual(A, B, 0)) ? 0 : 1;
|
|
glm::vec4 const C = glm::prevFloat(B);
|
|
Error += glm::all(glm::equal(A, C, 0)) ? 0 : 1;
|
|
|
|
glm::ivec4 const D = glm::floatDistance(A, B);
|
|
Error += D == glm::ivec4(1) ? 0 : 1;
|
|
glm::ivec4 const E = glm::floatDistance(A, C);
|
|
Error += E == glm::ivec4(0) ? 0 : 1;
|
|
|
|
return Error;
|
|
}
|
|
|
|
static int test_ulp_float_step()
|
|
{
|
|
int Error = 0;
|
|
|
|
glm::vec4 const A(1.0f);
|
|
|
|
for(int i = 10; i < 1000; i *= 10)
|
|
{
|
|
glm::vec4 const B = glm::nextFloat(A, i);
|
|
Error += glm::any(glm::notEqual(A, B, 0)) ? 0 : 1;
|
|
glm::vec4 const C = glm::prevFloat(B, i);
|
|
Error += glm::all(glm::equal(A, C, 0)) ? 0 : 1;
|
|
|
|
glm::ivec4 const D = glm::floatDistance(A, B);
|
|
Error += D == glm::ivec4(i) ? 0 : 1;
|
|
glm::ivec4 const E = glm::floatDistance(A, C);
|
|
Error += E == glm::ivec4(0) ? 0 : 1;
|
|
}
|
|
|
|
return Error;
|
|
}
|
|
|
|
static int test_ulp_double_dist()
|
|
{
|
|
int Error = 0;
|
|
|
|
glm::dvec4 const A(1.0);
|
|
|
|
glm::dvec4 const B = glm::nextFloat(A);
|
|
Error += glm::any(glm::notEqual(A, B, 0)) ? 0 : 1;
|
|
glm::dvec4 const C = glm::prevFloat(B);
|
|
Error += glm::all(glm::equal(A, C, 0)) ? 0 : 1;
|
|
|
|
glm::ivec4 const D(glm::floatDistance(A, B));
|
|
Error += D == glm::ivec4(1) ? 0 : 1;
|
|
glm::ivec4 const E = glm::floatDistance(A, C);
|
|
Error += E == glm::ivec4(0) ? 0 : 1;
|
|
|
|
return Error;
|
|
}
|
|
|
|
static int test_ulp_double_step()
|
|
{
|
|
int Error = 0;
|
|
|
|
glm::dvec4 const A(1.0);
|
|
|
|
for(int i = 10; i < 1000; i *= 10)
|
|
{
|
|
glm::dvec4 const B = glm::nextFloat(A, i);
|
|
Error += glm::any(glm::notEqual(A, B, 0)) ? 0 : 1;
|
|
glm::dvec4 const C = glm::prevFloat(B, i);
|
|
Error += glm::all(glm::equal(A, C, 0)) ? 0 : 1;
|
|
|
|
glm::ivec4 const D(glm::floatDistance(A, B));
|
|
Error += D == glm::ivec4(i) ? 0 : 1;
|
|
glm::ivec4 const E(glm::floatDistance(A, C));
|
|
Error += E == glm::ivec4(0) ? 0 : 1;
|
|
}
|
|
|
|
return Error;
|
|
}
|
|
|
|
int main()
|
|
{
|
|
int Error = 0;
|
|
|
|
Error += test_ulp_float_dist();
|
|
Error += test_ulp_float_step();
|
|
Error += test_ulp_double_dist();
|
|
Error += test_ulp_double_step();
|
|
|
|
return Error;
|
|
}
|