mewin/glm
1
0
Fork 0
Code Releases Activity

Added matrix relationak function taking ULPs

Browse Source
This commit is contained in:
Christophe Riccio
2018-09-25 15:05:55 +02:00
parent 6b622f2ed4
commit 0f4a597f10
3 changed files with 138 additions and 10 deletions
Download Patch File Download Diff File Expand all files Collapse all files

57
test/ext/ext_matrix_relational.cpp
View File

@@ -23,6 +23,7 @@
#include <glm/ext/vector_float2.hpp>
#include <glm/ext/vector_float3.hpp>
#include <glm/ext/vector_float4.hpp>
#include <glm/gtc/ulp.hpp>
template <typename matType, typename vecType>
static int test_equal()
@@ -58,10 +59,66 @@ static int test_notEqual()
return Error;
}
template <typename T>
static int test_equal_ulps()
{
typedef glm::mat<4, 4, T, glm::defaultp> mat4;
T const One(1);
mat4 const Ones(1);
int Error = 0;
T const ULP1Plus = glm::next_float(One);
Error += glm::all(glm::equal(Ones, mat4(ULP1Plus), 1)) ? 0 : 1;
T const ULP2Plus = glm::next_float(ULP1Plus);
Error += !glm::all(glm::equal(Ones, mat4(ULP2Plus), 1)) ? 0 : 1;
T const ULP1Minus = glm::prev_float(One);
Error += glm::all(glm::equal(Ones, mat4(ULP1Minus), 1)) ? 0 : 1;
T const ULP2Minus = glm::prev_float(ULP1Minus);
Error += !glm::all(glm::equal(Ones, mat4(ULP2Minus), 1)) ? 0 : 1;
return Error;
}
template <typename T>
static int test_notEqual_ulps()
{
typedef glm::mat<4, 4, T, glm::defaultp> mat4;
T const One(1);
mat4 const Ones(1);
int Error = 0;
T const ULP1Plus = glm::next_float(One);
Error += !glm::all(glm::notEqual(Ones, mat4(ULP1Plus), 1)) ? 0 : 1;
T const ULP2Plus = glm::next_float(ULP1Plus);
Error += glm::all(glm::notEqual(Ones, mat4(ULP2Plus), 1)) ? 0 : 1;
T const ULP1Minus = glm::prev_float(One);
Error += !glm::all(glm::notEqual(Ones, mat4(ULP1Minus), 1)) ? 0 : 1;
T const ULP2Minus = glm::prev_float(ULP1Minus);
Error += glm::all(glm::notEqual(Ones, mat4(ULP2Minus), 1)) ? 0 : 1;
return Error;
}
int main()
{
int Error = 0;
Error += test_equal_ulps<float>();
Error += test_equal_ulps<double>();
Error += test_notEqual_ulps<float>();
Error += test_notEqual_ulps<double>();
Error += test_equal<glm::mat2x2, glm::vec2>();
Error += test_equal<glm::mat2x3, glm::vec2>();
Error += test_equal<glm::mat2x4, glm::vec2>();