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Added vector ulp functions

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This commit is contained in:
Christophe Riccio
2018-09-26 18:27:55 +02:00
parent 32573c86ec
commit 76683aa287
11 changed files with 796 additions and 426 deletions
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3
test/ext/CMakeLists.txt
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@@ -11,6 +11,7 @@ glmCreateTestGTC(ext_scalar_common)
glmCreateTestGTC(ext_scalar_constants)
glmCreateTestGTC(ext_scalar_int_sized)
glmCreateTestGTC(ext_scalar_uint_sized)
glmCreateTestGTC(ext_scalar_ulp)
glmCreateTestGTC(ext_scalar_relational)
glmCreateTestGTC(ext_vec1)
glmCreateTestGTC(ext_vector_bool1)
@@ -18,3 +19,5 @@ glmCreateTestGTC(ext_vector_common)
glmCreateTestGTC(ext_vector_iec559)
glmCreateTestGTC(ext_vector_integer)
glmCreateTestGTC(ext_vector_relational)
glmCreateTestGTC(ext_vector_ulp)

96
test/ext/ext_scalar_ulp.cpp Normal file
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@@ -0,0 +1,96 @@
#include <glm/ext/scalar_ulp.hpp>
#include <glm/ext/scalar_relational.hpp>
static int test_ulp_float_dist()
{
int Error = 0;
float A = 1.0f;
float B = glm::next_float(A);
Error += glm::notEqual(A, B, 0) ? 0 : 1;
float C = glm::prev_float(B);
Error += glm::equal(A, C, 0) ? 0 : 1;
int D = glm::float_distance(A, B);
Error += D == 1 ? 0 : 1;
int E = glm::float_distance(A, C);
Error += E == 0 ? 0 : 1;
return Error;
}
static int test_ulp_float_step()
{
int Error = 0;
float A = 1.0f;
for(int i = 10; i < 1000; i *= 10)
{
float B = glm::next_float(A, i);
Error += glm::notEqual(A, B, 0) ? 0 : 1;
float C = glm::prev_float(B, i);
Error += glm::equal(A, C, 0) ? 0 : 1;
int D = glm::float_distance(A, B);
Error += D == i ? 0 : 1;
int E = glm::float_distance(A, C);
Error += E == 0 ? 0 : 1;
}
return Error;
}
static int test_ulp_double_dist()
{
int Error = 0;
double A = 1.0;
double B = glm::next_float(A);
Error += glm::notEqual(A, B, 0) ? 0 : 1;
double C = glm::prev_float(B);
Error += glm::equal(A, C, 0) ? 0 : 1;
glm::int64 const D = glm::float_distance(A, B);
Error += D == 1 ? 0 : 1;
glm::int64 const E = glm::float_distance(A, C);
Error += E == 0 ? 0 : 1;
return Error;
}
static int test_ulp_double_step()
{
int Error = 0;
double A = 1.0;
for(int i = 10; i < 1000; i *= 10)
{
double B = glm::next_float(A, i);
Error += glm::notEqual(A, B, 0) ? 0 : 1;
double C = glm::prev_float(B, i);
Error += glm::equal(A, C, 0) ? 0 : 1;
glm::int64 const D = glm::float_distance(A, B);
Error += D == i ? 0 : 1;
glm::int64 const E = glm::float_distance(A, C);
Error += E == 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;
}

99
test/ext/ext_vector_ulp.cpp Normal file
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@@ -0,0 +1,99 @@
#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::next_float(A);
Error += glm::any(glm::notEqual(A, B, 0)) ? 0 : 1;
glm::vec4 const C = glm::prev_float(B);
Error += glm::all(glm::equal(A, C, 0)) ? 0 : 1;
glm::ivec4 const D = glm::float_distance(A, B);
Error += D == glm::ivec4(1) ? 0 : 1;
glm::ivec4 const E = glm::float_distance(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::next_float(A, i);
Error += glm::any(glm::notEqual(A, B, 0)) ? 0 : 1;
glm::vec4 const C = glm::prev_float(B, i);
Error += glm::all(glm::equal(A, C, 0)) ? 0 : 1;
glm::ivec4 const D = glm::float_distance(A, B);
Error += D == glm::ivec4(i) ? 0 : 1;
glm::ivec4 const E = glm::float_distance(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::next_float(A);
Error += glm::any(glm::notEqual(A, B, 0)) ? 0 : 1;
glm::dvec4 const C = glm::prev_float(B);
Error += glm::all(glm::equal(A, C, 0)) ? 0 : 1;
glm::ivec4 const D(glm::float_distance(A, B));
Error += D == glm::ivec4(1) ? 0 : 1;
glm::ivec4 const E = glm::float_distance(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::next_float(A, i);
Error += glm::any(glm::notEqual(A, B, 0)) ? 0 : 1;
glm::dvec4 const C = glm::prev_float(B, i);
Error += glm::all(glm::equal(A, C, 0)) ? 0 : 1;
glm::ivec4 const D(glm::float_distance(A, B));
Error += D == glm::ivec4(i) ? 0 : 1;
glm::ivec4 const E(glm::float_distance(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;
}