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Added equal and notEqual overload with max ULPs parameters for scalar numbers #121

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This commit is contained in:
Christophe Riccio
2018-09-04 02:14:48 +02:00
parent cf6504b65e
commit 72327cea4f
4 changed files with 118 additions and 6 deletions
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56
test/ext/ext_scalar_relational.cpp
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@@ -1,6 +1,7 @@
#include <glm/ext/scalar_relational.hpp>
#include <cmath>
int test_equal()
int test_equal_epsilon()
{
# if GLM_CONFIG_CONSTEXP == GLM_ENABLE
static_assert(glm::equal(1.01f, 1.02f, 0.1f), "GLM: Failed constexpr");
@@ -15,7 +16,7 @@ int test_equal()
return Error;
}
int test_notEqual()
int test_notEqual_epsilon()
{
# if GLM_CONFIG_CONSTEXP == GLM_ENABLE
static_assert(glm::notEqual(1.01f, 1.02f, 0.001f), "GLM: Failed constexpr");
@@ -30,12 +31,57 @@ int test_notEqual()
return Error;
}
#if GLM_LANG & GLM_LANG_CXX11_FLAG
int test_equal_ulps()
{
int Error = 0;
float const ULP1Plus = std::nextafter(1.0f, 2.0f);
Error += glm::equal(1.0f, ULP1Plus, 1) ? 0 : 1;
float const ULP2Plus = std::nextafter(ULP1Plus, 2.0f);
Error += !glm::equal(1.0f, ULP2Plus, 1) ? 0 : 1;
float const ULP1Minus = std::nextafter(1.0f, 0.0f);
Error += glm::equal(1.0f, ULP1Minus, 1) ? 0 : 1;
float const ULP2Minus = std::nextafter(ULP1Minus, 0.0f);
Error += !glm::equal(1.0f, ULP2Minus, 1) ? 0 : 1;
return Error;
}
int test_notEqual_ulps()
{
int Error = 0;
float const ULP1Plus = std::nextafter(1.0f, 2.0f);
Error += !glm::notEqual(1.0f, ULP1Plus, 1) ? 0 : 1;
float const ULP2Plus = std::nextafter(ULP1Plus, 2.0f);
Error += glm::notEqual(1.0f, ULP2Plus, 1) ? 0 : 1;
float const ULP1Minus = std::nextafter(1.0f, 0.0f);
Error += !glm::notEqual(1.0f, ULP1Minus, 1) ? 0 : 1;
float const ULP2Minus = std::nextafter(ULP1Minus, 0.0f);
Error += glm::notEqual(1.0f, ULP2Minus, 1) ? 0 : 1;
return Error;
}
#endif
int main()
{
int Error = 0;
Error += test_equal();
Error += test_notEqual();
Error += test_equal_epsilon();
Error += test_notEqual_epsilon();
#if GLM_LANG & GLM_LANG_CXX11_FLAG
Error += test_equal_ulps();
Error += test_notEqual_ulps();
#endif
return Error;
}