You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and dots ('.'), can be up to 35 characters long. Letters must be lowercase.
1037 lines
27 KiB
1037 lines
27 KiB
/////////////////////////////////////////////////////////////////////////////////////////////////// |
|
// OpenGL Mathematics Copyright (c) 2005 - 2014 G-Truc Creation (www.g-truc.net) |
|
/////////////////////////////////////////////////////////////////////////////////////////////////// |
|
// Created : 2011-01-15 |
|
// Updated : 2011-09-13 |
|
// Licence : This source is under MIT licence |
|
// File : test/core/func_common.cpp |
|
/////////////////////////////////////////////////////////////////////////////////////////////////// |
|
|
|
#include <glm/gtc/constants.hpp> |
|
#include <glm/gtc/epsilon.hpp> |
|
#include <glm/gtc/vec1.hpp> |
|
#include <glm/gtc/random.hpp> |
|
#include <vector> |
|
#include <cstdio> |
|
#include <cmath> |
|
#include <ctime> |
|
|
|
int test_floor() |
|
{ |
|
int Error(0); |
|
|
|
{ |
|
float A(1.1f); |
|
float B = glm::floor(A); |
|
} |
|
|
|
{ |
|
double A(1.1f); |
|
double B = glm::floor(A); |
|
} |
|
|
|
{ |
|
glm::vec1 A(1.1f); |
|
glm::vec1 B = glm::floor(A); |
|
|
|
Error += glm::all(glm::epsilonEqual(B, glm::vec1(1.0), 0.0001f)) ? 0 : 1; |
|
} |
|
|
|
{ |
|
glm::dvec1 A(1.1f); |
|
glm::dvec1 B = glm::floor(A); |
|
|
|
Error += glm::all(glm::epsilonEqual(B, glm::dvec1(1.0), 0.0001)) ? 0 : 1; |
|
} |
|
|
|
{ |
|
glm::vec2 A(1.1f); |
|
glm::vec2 B = glm::floor(A); |
|
|
|
Error += glm::all(glm::epsilonEqual(B, glm::vec2(1.0), 0.0001f)) ? 0 : 1; |
|
} |
|
|
|
{ |
|
glm::dvec2 A(1.1f); |
|
glm::dvec2 B = glm::floor(A); |
|
|
|
Error += glm::all(glm::epsilonEqual(B, glm::dvec2(1.0), 0.0001)) ? 0 : 1; |
|
} |
|
|
|
{ |
|
glm::vec3 A(1.1f); |
|
glm::vec3 B = glm::floor(A); |
|
|
|
Error += glm::all(glm::epsilonEqual(B, glm::vec3(1.0), 0.0001f)) ? 0 : 1; |
|
} |
|
|
|
{ |
|
glm::dvec3 A(1.1f); |
|
glm::dvec3 B = glm::floor(A); |
|
|
|
Error += glm::all(glm::epsilonEqual(B, glm::dvec3(1.0), 0.0001)) ? 0 : 1; |
|
} |
|
|
|
{ |
|
glm::vec4 A(1.1f); |
|
glm::vec4 B = glm::floor(A); |
|
|
|
Error += glm::all(glm::epsilonEqual(B, glm::vec4(1.0), 0.0001f)) ? 0 : 1; |
|
} |
|
|
|
{ |
|
glm::dvec4 A(1.1f); |
|
glm::dvec4 B = glm::floor(A); |
|
|
|
Error += glm::all(glm::epsilonEqual(B, glm::dvec4(1.0), 0.0001)) ? 0 : 1; |
|
} |
|
|
|
return Error; |
|
} |
|
|
|
int test_modf() |
|
{ |
|
int Error(0); |
|
|
|
{ |
|
float X(1.5f); |
|
float I(0.0f); |
|
float A = glm::modf(X, I); |
|
|
|
Error += I == 1.0f ? 0 : 1; |
|
Error += A == 0.5f ? 0 : 1; |
|
} |
|
|
|
{ |
|
glm::vec4 X(1.1f, 1.2f, 1.5f, 1.7f); |
|
glm::vec4 I(0.0f); |
|
glm::vec4 A = glm::modf(X, I); |
|
|
|
Error += I == glm::vec4(1.0f) ? 0 : 1; |
|
Error += glm::all(glm::epsilonEqual(A, glm::vec4(0.1f, 0.2f, 0.5f, 0.7f), 0.00001f)) ? 0 : 1; |
|
} |
|
|
|
{ |
|
glm::dvec4 X(1.1, 1.2, 1.5, 1.7); |
|
glm::dvec4 I(0.0); |
|
glm::dvec4 A = glm::modf(X, I); |
|
|
|
Error += I == glm::dvec4(1.0) ? 0 : 1; |
|
Error += glm::all(glm::epsilonEqual(A, glm::dvec4(0.1, 0.2, 0.5, 0.7), 0.000000001)) ? 0 : 1; |
|
} |
|
|
|
{ |
|
double X(1.5); |
|
double I(0.0); |
|
double A = glm::modf(X, I); |
|
|
|
Error += I == 1.0 ? 0 : 1; |
|
Error += A == 0.5 ? 0 : 1; |
|
} |
|
|
|
return Error; |
|
} |
|
|
|
int test_floatBitsToInt() |
|
{ |
|
int Error = 0; |
|
|
|
{ |
|
float A = 1.0f; |
|
int B = glm::floatBitsToInt(A); |
|
float C = glm::intBitsToFloat(B); |
|
int D = *(int*)&A; |
|
Error += B == D ? 0 : 1; |
|
Error += A == C ? 0 : 1; |
|
} |
|
|
|
{ |
|
glm::vec2 A(1.0f, 2.0f); |
|
glm::ivec2 B = glm::floatBitsToInt(A); |
|
glm::vec2 C = glm::intBitsToFloat(B); |
|
Error += B.x == *(int*)&(A.x) ? 0 : 1; |
|
Error += B.y == *(int*)&(A.y) ? 0 : 1; |
|
Error += A == C? 0 : 1; |
|
} |
|
|
|
{ |
|
glm::vec3 A(1.0f, 2.0f, 3.0f); |
|
glm::ivec3 B = glm::floatBitsToInt(A); |
|
glm::vec3 C = glm::intBitsToFloat(B); |
|
Error += B.x == *(int*)&(A.x) ? 0 : 1; |
|
Error += B.y == *(int*)&(A.y) ? 0 : 1; |
|
Error += B.z == *(int*)&(A.z) ? 0 : 1; |
|
Error += A == C? 0 : 1; |
|
} |
|
|
|
{ |
|
glm::vec4 A(1.0f, 2.0f, 3.0f, 4.0f); |
|
glm::ivec4 B = glm::floatBitsToInt(A); |
|
glm::vec4 C = glm::intBitsToFloat(B); |
|
Error += B.x == *(int*)&(A.x) ? 0 : 1; |
|
Error += B.y == *(int*)&(A.y) ? 0 : 1; |
|
Error += B.z == *(int*)&(A.z) ? 0 : 1; |
|
Error += B.w == *(int*)&(A.w) ? 0 : 1; |
|
Error += A == C? 0 : 1; |
|
} |
|
|
|
return Error; |
|
} |
|
|
|
int test_floatBitsToUint() |
|
{ |
|
int Error = 0; |
|
|
|
{ |
|
float A = 1.0f; |
|
glm::uint B = glm::floatBitsToUint(A); |
|
float C = glm::intBitsToFloat(B); |
|
Error += B == *(glm::uint*)&A ? 0 : 1; |
|
Error += A == C? 0 : 1; |
|
} |
|
|
|
{ |
|
glm::vec2 A(1.0f, 2.0f); |
|
glm::uvec2 B = glm::floatBitsToUint(A); |
|
glm::vec2 C = glm::uintBitsToFloat(B); |
|
Error += B.x == *(glm::uint*)&(A.x) ? 0 : 1; |
|
Error += B.y == *(glm::uint*)&(A.y) ? 0 : 1; |
|
Error += A == C ? 0 : 1; |
|
} |
|
|
|
{ |
|
glm::vec3 A(1.0f, 2.0f, 3.0f); |
|
glm::uvec3 B = glm::floatBitsToUint(A); |
|
glm::vec3 C = glm::uintBitsToFloat(B); |
|
Error += B.x == *(glm::uint*)&(A.x) ? 0 : 1; |
|
Error += B.y == *(glm::uint*)&(A.y) ? 0 : 1; |
|
Error += B.z == *(glm::uint*)&(A.z) ? 0 : 1; |
|
Error += A == C? 0 : 1; |
|
} |
|
|
|
{ |
|
glm::vec4 A(1.0f, 2.0f, 3.0f, 4.0f); |
|
glm::uvec4 B = glm::floatBitsToUint(A); |
|
glm::vec4 C = glm::uintBitsToFloat(B); |
|
Error += B.x == *(glm::uint*)&(A.x) ? 0 : 1; |
|
Error += B.y == *(glm::uint*)&(A.y) ? 0 : 1; |
|
Error += B.z == *(glm::uint*)&(A.z) ? 0 : 1; |
|
Error += B.w == *(glm::uint*)&(A.w) ? 0 : 1; |
|
Error += A == C? 0 : 1; |
|
} |
|
|
|
return Error; |
|
} |
|
|
|
int test_min() |
|
{ |
|
int Error = 0; |
|
|
|
glm::vec1 A0 = glm::min(glm::vec1(1), glm::vec1(1)); |
|
|
|
glm::vec2 B0 = glm::min(glm::vec2(1), glm::vec2(1)); |
|
glm::vec2 B1 = glm::min(glm::vec2(1), 1.0f); |
|
bool B2 = glm::all(glm::equal(B0, B1)); |
|
Error += B2 ? 0 : 1; |
|
|
|
glm::vec3 C0 = glm::min(glm::vec3(1), glm::vec3(1)); |
|
glm::vec3 C1 = glm::min(glm::vec3(1), 1.0f); |
|
bool C2 = glm::all(glm::equal(C0, C1)); |
|
Error += C2 ? 0 : 1; |
|
|
|
glm::vec4 D0 = glm::min(glm::vec4(1), glm::vec4(1)); |
|
glm::vec4 D1 = glm::min(glm::vec4(1), 1.0f); |
|
bool D2 = glm::all(glm::equal(D0, D1)); |
|
Error += D2 ? 0 : 1; |
|
|
|
return Error; |
|
} |
|
|
|
int test_max() |
|
{ |
|
int Error = 0; |
|
|
|
glm::vec1 A0 = glm::max(glm::vec1(1), glm::vec1(1)); |
|
|
|
glm::vec2 B0 = glm::max(glm::vec2(1), glm::vec2(1)); |
|
glm::vec2 B1 = glm::max(glm::vec2(1), 1.0f); |
|
bool B2 = glm::all(glm::equal(B0, B1)); |
|
Error += B2 ? 0 : 1; |
|
|
|
glm::vec3 C0 = glm::max(glm::vec3(1), glm::vec3(1)); |
|
glm::vec3 C1 = glm::max(glm::vec3(1), 1.0f); |
|
bool C2 = glm::all(glm::equal(C0, C1)); |
|
Error += C2 ? 0 : 1; |
|
|
|
glm::vec4 D0 = glm::max(glm::vec4(1), glm::vec4(1)); |
|
glm::vec4 D1 = glm::max(glm::vec4(1), 1.0f); |
|
bool D2 = glm::all(glm::equal(D0, D1)); |
|
Error += D2 ? 0 : 1; |
|
|
|
return Error; |
|
} |
|
|
|
int test_clamp() |
|
{ |
|
int Error = 0; |
|
|
|
return Error; |
|
} |
|
|
|
namespace test_mix |
|
{ |
|
template <typename T, typename B> |
|
struct test |
|
{ |
|
T x; |
|
T y; |
|
B a; |
|
T Result; |
|
}; |
|
|
|
test<float, bool> TestBool[] = |
|
{ |
|
{0.0f, 1.0f, false, 0.0f}, |
|
{0.0f, 1.0f, true, 1.0f}, |
|
{-1.0f, 1.0f, false, -1.0f}, |
|
{-1.0f, 1.0f, true, 1.0f} |
|
}; |
|
|
|
test<float, float> TestFloat[] = |
|
{ |
|
{0.0f, 1.0f, 0.0f, 0.0f}, |
|
{0.0f, 1.0f, 1.0f, 1.0f}, |
|
{-1.0f, 1.0f, 0.0f, -1.0f}, |
|
{-1.0f, 1.0f, 1.0f, 1.0f} |
|
}; |
|
|
|
test<glm::vec2, bool> TestVec2Bool[] = |
|
{ |
|
{glm::vec2(0.0f), glm::vec2(1.0f), false, glm::vec2(0.0f)}, |
|
{glm::vec2(0.0f), glm::vec2(1.0f), true, glm::vec2(1.0f)}, |
|
{glm::vec2(-1.0f), glm::vec2(1.0f), false, glm::vec2(-1.0f)}, |
|
{glm::vec2(-1.0f), glm::vec2(1.0f), true, glm::vec2(1.0f)} |
|
}; |
|
|
|
test<glm::vec2, glm::bvec2> TestBVec2[] = |
|
{ |
|
{glm::vec2(0.0f), glm::vec2(1.0f), glm::bvec2(false), glm::vec2(0.0f)}, |
|
{glm::vec2(0.0f), glm::vec2(1.0f), glm::bvec2(true), glm::vec2(1.0f)}, |
|
{glm::vec2(-1.0f), glm::vec2(1.0f), glm::bvec2(false), glm::vec2(-1.0f)}, |
|
{glm::vec2(-1.0f), glm::vec2(1.0f), glm::bvec2(true), glm::vec2(1.0f)}, |
|
{glm::vec2(-1.0f), glm::vec2(1.0f), glm::bvec2(true, false), glm::vec2(1.0f, -1.0f)} |
|
}; |
|
|
|
test<glm::vec3, bool> TestVec3Bool[] = |
|
{ |
|
{glm::vec3(0.0f), glm::vec3(1.0f), false, glm::vec3(0.0f)}, |
|
{glm::vec3(0.0f), glm::vec3(1.0f), true, glm::vec3(1.0f)}, |
|
{glm::vec3(-1.0f), glm::vec3(1.0f), false, glm::vec3(-1.0f)}, |
|
{glm::vec3(-1.0f), glm::vec3(1.0f), true, glm::vec3(1.0f)} |
|
}; |
|
|
|
test<glm::vec3, glm::bvec3> TestBVec3[] = |
|
{ |
|
{glm::vec3(0.0f), glm::vec3(1.0f), glm::bvec3(false), glm::vec3(0.0f)}, |
|
{glm::vec3(0.0f), glm::vec3(1.0f), glm::bvec3(true), glm::vec3(1.0f)}, |
|
{glm::vec3(-1.0f), glm::vec3(1.0f), glm::bvec3(false), glm::vec3(-1.0f)}, |
|
{glm::vec3(-1.0f), glm::vec3(1.0f), glm::bvec3(true), glm::vec3(1.0f)}, |
|
{glm::vec3(1.0f, 2.0f, 3.0f), glm::vec3(4.0f, 5.0f, 6.0f), glm::bvec3(true, false, true), glm::vec3(4.0f, 2.0f, 6.0f)} |
|
}; |
|
|
|
test<glm::vec4, bool> TestVec4Bool[] = |
|
{ |
|
{glm::vec4(0.0f), glm::vec4(1.0f), false, glm::vec4(0.0f)}, |
|
{glm::vec4(0.0f), glm::vec4(1.0f), true, glm::vec4(1.0f)}, |
|
{glm::vec4(-1.0f), glm::vec4(1.0f), false, glm::vec4(-1.0f)}, |
|
{glm::vec4(-1.0f), glm::vec4(1.0f), true, glm::vec4(1.0f)} |
|
}; |
|
|
|
test<glm::vec4, glm::bvec4> TestBVec4[] = |
|
{ |
|
{glm::vec4(0.0f), glm::vec4(1.0f), glm::bvec4(false), glm::vec4(0.0f)}, |
|
{glm::vec4(0.0f), glm::vec4(1.0f), glm::bvec4(true), glm::vec4(1.0f)}, |
|
{glm::vec4(-1.0f), glm::vec4(1.0f), glm::bvec4(false), glm::vec4(-1.0f)}, |
|
{glm::vec4(-1.0f), glm::vec4(1.0f), glm::bvec4(true), glm::vec4(1.0f)}, |
|
{glm::vec4(1.0f, 2.0f, 3.0f, 4.0f), glm::vec4(5.0f, 6.0f, 7.0f, 8.0f), glm::bvec4(true, false, true, false), glm::vec4(5.0f, 2.0f, 7.0f, 4.0f)} |
|
}; |
|
|
|
int run() |
|
{ |
|
int Error = 0; |
|
|
|
// Float with bool |
|
{ |
|
for(std::size_t i = 0; i < sizeof(TestBool) / sizeof(test<float, bool>); ++i) |
|
{ |
|
float Result = glm::mix(TestBool[i].x, TestBool[i].y, TestBool[i].a); |
|
Error += glm::epsilonEqual(Result, TestBool[i].Result, glm::epsilon<float>()) ? 0 : 1; |
|
} |
|
} |
|
|
|
// Float with float |
|
{ |
|
for(std::size_t i = 0; i < sizeof(TestFloat) / sizeof(test<float, float>); ++i) |
|
{ |
|
float Result = glm::mix(TestFloat[i].x, TestFloat[i].y, TestFloat[i].a); |
|
Error += glm::epsilonEqual(Result, TestFloat[i].Result, glm::epsilon<float>()) ? 0 : 1; |
|
} |
|
} |
|
|
|
// vec2 with bool |
|
{ |
|
for(std::size_t i = 0; i < sizeof(TestVec2Bool) / sizeof(test<glm::vec2, bool>); ++i) |
|
{ |
|
glm::vec2 Result = glm::mix(TestVec2Bool[i].x, TestVec2Bool[i].y, TestVec2Bool[i].a); |
|
Error += glm::epsilonEqual(Result.x, TestVec2Bool[i].Result.x, glm::epsilon<float>()) ? 0 : 1; |
|
Error += glm::epsilonEqual(Result.y, TestVec2Bool[i].Result.y, glm::epsilon<float>()) ? 0 : 1; |
|
} |
|
} |
|
|
|
// vec2 with bvec2 |
|
{ |
|
for(std::size_t i = 0; i < sizeof(TestBVec2) / sizeof(test<glm::vec2, glm::bvec2>); ++i) |
|
{ |
|
glm::vec2 Result = glm::mix(TestBVec2[i].x, TestBVec2[i].y, TestBVec2[i].a); |
|
Error += glm::epsilonEqual(Result.x, TestBVec2[i].Result.x, glm::epsilon<float>()) ? 0 : 1; |
|
Error += glm::epsilonEqual(Result.y, TestBVec2[i].Result.y, glm::epsilon<float>()) ? 0 : 1; |
|
} |
|
} |
|
|
|
// vec3 with bool |
|
{ |
|
for(std::size_t i = 0; i < sizeof(TestVec3Bool) / sizeof(test<glm::vec3, bool>); ++i) |
|
{ |
|
glm::vec3 Result = glm::mix(TestVec3Bool[i].x, TestVec3Bool[i].y, TestVec3Bool[i].a); |
|
Error += glm::epsilonEqual(Result.x, TestVec3Bool[i].Result.x, glm::epsilon<float>()) ? 0 : 1; |
|
Error += glm::epsilonEqual(Result.y, TestVec3Bool[i].Result.y, glm::epsilon<float>()) ? 0 : 1; |
|
Error += glm::epsilonEqual(Result.z, TestVec3Bool[i].Result.z, glm::epsilon<float>()) ? 0 : 1; |
|
} |
|
} |
|
|
|
// vec3 with bvec3 |
|
{ |
|
for(std::size_t i = 0; i < sizeof(TestBVec3) / sizeof(test<glm::vec3, glm::bvec3>); ++i) |
|
{ |
|
glm::vec3 Result = glm::mix(TestBVec3[i].x, TestBVec3[i].y, TestBVec3[i].a); |
|
Error += glm::epsilonEqual(Result.x, TestBVec3[i].Result.x, glm::epsilon<float>()) ? 0 : 1; |
|
Error += glm::epsilonEqual(Result.y, TestBVec3[i].Result.y, glm::epsilon<float>()) ? 0 : 1; |
|
Error += glm::epsilonEqual(Result.z, TestBVec3[i].Result.z, glm::epsilon<float>()) ? 0 : 1; |
|
} |
|
} |
|
|
|
// vec4 with bool |
|
{ |
|
for(std::size_t i = 0; i < sizeof(TestVec4Bool) / sizeof(test<glm::vec4, bool>); ++i) |
|
{ |
|
glm::vec4 Result = glm::mix(TestVec4Bool[i].x, TestVec4Bool[i].y, TestVec4Bool[i].a); |
|
Error += glm::epsilonEqual(Result.x, TestVec4Bool[i].Result.x, glm::epsilon<float>()) ? 0 : 1; |
|
Error += glm::epsilonEqual(Result.y, TestVec4Bool[i].Result.y, glm::epsilon<float>()) ? 0 : 1; |
|
Error += glm::epsilonEqual(Result.z, TestVec4Bool[i].Result.z, glm::epsilon<float>()) ? 0 : 1; |
|
Error += glm::epsilonEqual(Result.w, TestVec4Bool[i].Result.w, glm::epsilon<float>()) ? 0 : 1; |
|
} |
|
} |
|
|
|
// vec4 with bvec4 |
|
{ |
|
for(std::size_t i = 0; i < sizeof(TestBVec4) / sizeof(test<glm::vec4, glm::bvec4>); ++i) |
|
{ |
|
glm::vec4 Result = glm::mix(TestBVec4[i].x, TestBVec4[i].y, TestBVec4[i].a); |
|
Error += glm::epsilonEqual(Result.x, TestBVec4[i].Result.x, glm::epsilon<float>()) ? 0 : 1; |
|
Error += glm::epsilonEqual(Result.y, TestBVec4[i].Result.y, glm::epsilon<float>()) ? 0 : 1; |
|
Error += glm::epsilonEqual(Result.z, TestBVec4[i].Result.z, glm::epsilon<float>()) ? 0 : 1; |
|
Error += glm::epsilonEqual(Result.w, TestBVec4[i].Result.w, glm::epsilon<float>()) ? 0 : 1; |
|
} |
|
} |
|
|
|
return Error; |
|
} |
|
}//namespace test_mix |
|
|
|
namespace test_step |
|
{ |
|
template <typename EDGE, typename VEC> |
|
struct test |
|
{ |
|
EDGE edge; |
|
VEC x; |
|
VEC result; |
|
}; |
|
|
|
test<float, glm::vec4> TestVec4Scalar [] = |
|
{ |
|
{ 0.0f, glm::vec4(1.0f, 2.0f, 3.0f, 4.0f), glm::vec4(1.0f) }, |
|
{ 1.0f, glm::vec4(1.0f, 2.0f, 3.0f, 4.0f), glm::vec4(1.0f) }, |
|
{ 0.0f, glm::vec4(-1.0f, -2.0f, -3.0f, -4.0f), glm::vec4(0.0f) } |
|
}; |
|
|
|
test<glm::vec4, glm::vec4> TestVec4Vector [] = |
|
{ |
|
{ glm::vec4(-1.0f, -2.0f, -3.0f, -4.0f), glm::vec4(-2.0f, -3.0f, -4.0f, -5.0f), glm::vec4(0.0f) }, |
|
{ glm::vec4( 0.0f, 1.0f, 2.0f, 3.0f), glm::vec4( 1.0f, 2.0f, 3.0f, 4.0f), glm::vec4(1.0f) }, |
|
{ glm::vec4( 2.0f, 3.0f, 4.0f, 5.0f), glm::vec4( 1.0f, 2.0f, 3.0f, 4.0f), glm::vec4(0.0f) }, |
|
{ glm::vec4( 0.0f, 1.0f, 2.0f, 3.0f), glm::vec4(-1.0f,-2.0f,-3.0f,-4.0f), glm::vec4(0.0f) } |
|
}; |
|
|
|
int run() |
|
{ |
|
int Error = 0; |
|
|
|
// vec4 and float |
|
{ |
|
for (std::size_t i = 0; i < sizeof(TestVec4Scalar) / sizeof(test<float, glm::vec4>); ++i) |
|
{ |
|
glm::vec4 Result = glm::step(TestVec4Scalar[i].edge, TestVec4Scalar[i].x); |
|
Error += glm::all(glm::epsilonEqual(Result, TestVec4Scalar[i].result, glm::epsilon<float>())) ? 0 : 1; |
|
} |
|
} |
|
|
|
// vec4 and vec4 |
|
{ |
|
for (std::size_t i = 0; i < sizeof(TestVec4Vector) / sizeof(test<glm::vec4, glm::vec4>); ++i) |
|
{ |
|
glm::vec4 Result = glm::step(TestVec4Vector[i].edge, TestVec4Vector[i].x); |
|
Error += glm::all(glm::epsilonEqual(Result, TestVec4Vector[i].result, glm::epsilon<float>())) ? 0 : 1; |
|
} |
|
} |
|
|
|
return Error; |
|
} |
|
}//namespace test_step |
|
|
|
int test_round() |
|
{ |
|
int Error = 0; |
|
|
|
{ |
|
float A = glm::round(0.0f); |
|
Error += A == 0.0f ? 0 : 1; |
|
float B = glm::round(0.5f); |
|
Error += B == 1.0f ? 0 : 1; |
|
float C = glm::round(1.0f); |
|
Error += C == 1.0f ? 0 : 1; |
|
float D = glm::round(0.1f); |
|
Error += D == 0.0f ? 0 : 1; |
|
float E = glm::round(0.9f); |
|
Error += E == 1.0f ? 0 : 1; |
|
float F = glm::round(1.5f); |
|
Error += F == 2.0f ? 0 : 1; |
|
float G = glm::round(1.9f); |
|
Error += G == 2.0f ? 0 : 1; |
|
} |
|
|
|
{ |
|
float A = glm::round(-0.0f); |
|
Error += A == 0.0f ? 0 : 1; |
|
float B = glm::round(-0.5f); |
|
Error += B == -1.0f ? 0 : 1; |
|
float C = glm::round(-1.0f); |
|
Error += C == -1.0f ? 0 : 1; |
|
float D = glm::round(-0.1f); |
|
Error += D == 0.0f ? 0 : 1; |
|
float E = glm::round(-0.9f); |
|
Error += E == -1.0f ? 0 : 1; |
|
float F = glm::round(-1.5f); |
|
Error += F == -2.0f ? 0 : 1; |
|
float G = glm::round(-1.9f); |
|
Error += G == -2.0f ? 0 : 1; |
|
} |
|
|
|
return Error; |
|
} |
|
|
|
int test_roundEven() |
|
{ |
|
int Error = 0; |
|
|
|
{ |
|
float A1 = glm::roundEven(-1.5f); |
|
Error += glm::epsilonEqual(A1, -2.0f, 0.0001f) ? 0 : 1; |
|
|
|
float A2 = glm::roundEven(1.5f); |
|
Error += glm::epsilonEqual(A2, 2.0f, 0.0001f) ? 0 : 1; |
|
|
|
float A5 = glm::roundEven(-2.5f); |
|
Error += glm::epsilonEqual(A5, -2.0f, 0.0001f) ? 0 : 1; |
|
|
|
float A6 = glm::roundEven(2.5f); |
|
Error += glm::epsilonEqual(A6, 2.0f, 0.0001f) ? 0 : 1; |
|
|
|
float A3 = glm::roundEven(-3.5f); |
|
Error += glm::epsilonEqual(A3, -4.0f, 0.0001f) ? 0 : 1; |
|
|
|
float A4 = glm::roundEven(3.5f); |
|
Error += glm::epsilonEqual(A4, 4.0f, 0.0001f) ? 0 : 1; |
|
|
|
float C7 = glm::roundEven(-4.5f); |
|
Error += glm::epsilonEqual(C7, -4.0f, 0.0001f) ? 0 : 1; |
|
|
|
float C8 = glm::roundEven(4.5f); |
|
Error += glm::epsilonEqual(C8, 4.0f, 0.0001f) ? 0 : 1; |
|
|
|
float C1 = glm::roundEven(-5.5f); |
|
Error += glm::epsilonEqual(C1, -6.0f, 0.0001f) ? 0 : 1; |
|
|
|
float C2 = glm::roundEven(5.5f); |
|
Error += glm::epsilonEqual(C2, 6.0f, 0.0001f) ? 0 : 1; |
|
|
|
float C3 = glm::roundEven(-6.5f); |
|
Error += glm::epsilonEqual(C3, -6.0f, 0.0001f) ? 0 : 1; |
|
|
|
float C4 = glm::roundEven(6.5f); |
|
Error += glm::epsilonEqual(C4, 6.0f, 0.0001f) ? 0 : 1; |
|
|
|
float C5 = glm::roundEven(-7.5f); |
|
Error += glm::epsilonEqual(C5, -8.0f, 0.0001f) ? 0 : 1; |
|
|
|
float C6 = glm::roundEven(7.5f); |
|
Error += glm::epsilonEqual(C6, 8.0f, 0.0001f) ? 0 : 1; |
|
|
|
Error += 0; |
|
} |
|
|
|
{ |
|
float A7 = glm::roundEven(-2.4f); |
|
Error += glm::epsilonEqual(A7, -2.0f, 0.0001f) ? 0 : 1; |
|
|
|
float A8 = glm::roundEven(2.4f); |
|
Error += glm::epsilonEqual(A8, 2.0f, 0.0001f) ? 0 : 1; |
|
|
|
float B1 = glm::roundEven(-2.6f); |
|
Error += glm::epsilonEqual(B1, -3.0f, 0.0001f) ? 0 : 1; |
|
|
|
float B2 = glm::roundEven(2.6f); |
|
Error += glm::epsilonEqual(B2, 3.0f, 0.0001f) ? 0 : 1; |
|
|
|
float B3 = glm::roundEven(-2.0f); |
|
Error += glm::epsilonEqual(B3, -2.0f, 0.0001f) ? 0 : 1; |
|
|
|
float B4 = glm::roundEven(2.0f); |
|
Error += glm::epsilonEqual(B4, 2.0f, 0.0001f) ? 0 : 1; |
|
|
|
Error += 0; |
|
} |
|
|
|
{ |
|
float A = glm::roundEven(0.0f); |
|
Error += A == 0.0f ? 0 : 1; |
|
float B = glm::roundEven(0.5f); |
|
Error += B == 0.0f ? 0 : 1; |
|
float C = glm::roundEven(1.0f); |
|
Error += C == 1.0f ? 0 : 1; |
|
float D = glm::roundEven(0.1f); |
|
Error += D == 0.0f ? 0 : 1; |
|
float E = glm::roundEven(0.9f); |
|
Error += E == 1.0f ? 0 : 1; |
|
float F = glm::roundEven(1.5f); |
|
Error += F == 2.0f ? 0 : 1; |
|
float G = glm::roundEven(1.9f); |
|
Error += G == 2.0f ? 0 : 1; |
|
} |
|
|
|
{ |
|
float A = glm::roundEven(-0.0f); |
|
Error += A == 0.0f ? 0 : 1; |
|
float B = glm::roundEven(-0.5f); |
|
Error += B == -0.0f ? 0 : 1; |
|
float C = glm::roundEven(-1.0f); |
|
Error += C == -1.0f ? 0 : 1; |
|
float D = glm::roundEven(-0.1f); |
|
Error += D == 0.0f ? 0 : 1; |
|
float E = glm::roundEven(-0.9f); |
|
Error += E == -1.0f ? 0 : 1; |
|
float F = glm::roundEven(-1.5f); |
|
Error += F == -2.0f ? 0 : 1; |
|
float G = glm::roundEven(-1.9f); |
|
Error += G == -2.0f ? 0 : 1; |
|
} |
|
|
|
{ |
|
float A = glm::roundEven(1.5f); |
|
Error += A == 2.0f ? 0 : 1; |
|
float B = glm::roundEven(2.5f); |
|
Error += B == 2.0f ? 0 : 1; |
|
float C = glm::roundEven(3.5f); |
|
Error += C == 4.0f ? 0 : 1; |
|
float D = glm::roundEven(4.5f); |
|
Error += D == 4.0f ? 0 : 1; |
|
float E = glm::roundEven(5.5f); |
|
Error += E == 6.0f ? 0 : 1; |
|
float F = glm::roundEven(6.5f); |
|
Error += F == 6.0f ? 0 : 1; |
|
float G = glm::roundEven(7.5f); |
|
Error += G == 8.0f ? 0 : 1; |
|
} |
|
|
|
{ |
|
float A = glm::roundEven(-1.5f); |
|
Error += A == -2.0f ? 0 : 1; |
|
float B = glm::roundEven(-2.5f); |
|
Error += B == -2.0f ? 0 : 1; |
|
float C = glm::roundEven(-3.5f); |
|
Error += C == -4.0f ? 0 : 1; |
|
float D = glm::roundEven(-4.5f); |
|
Error += D == -4.0f ? 0 : 1; |
|
float E = glm::roundEven(-5.5f); |
|
Error += E == -6.0f ? 0 : 1; |
|
float F = glm::roundEven(-6.5f); |
|
Error += F == -6.0f ? 0 : 1; |
|
float G = glm::roundEven(-7.5f); |
|
Error += G == -8.0f ? 0 : 1; |
|
} |
|
|
|
return Error; |
|
} |
|
|
|
int test_isnan() |
|
{ |
|
int Error = 0; |
|
|
|
float Zero_f = 0.0; |
|
double Zero_d = 0.0; |
|
|
|
{ |
|
Error += true == glm::isnan(0.0/Zero_d) ? 0 : 1; |
|
Error += true == glm::any(glm::isnan(glm::dvec2(0.0 / Zero_d))) ? 0 : 1; |
|
Error += true == glm::any(glm::isnan(glm::dvec3(0.0 / Zero_d))) ? 0 : 1; |
|
Error += true == glm::any(glm::isnan(glm::dvec4(0.0 / Zero_d))) ? 0 : 1; |
|
} |
|
|
|
{ |
|
Error += true == glm::isnan(0.0f/Zero_f) ? 0 : 1; |
|
Error += true == glm::any(glm::isnan(glm::vec2(0.0f/Zero_f))) ? 0 : 1; |
|
Error += true == glm::any(glm::isnan(glm::vec3(0.0f/Zero_f))) ? 0 : 1; |
|
Error += true == glm::any(glm::isnan(glm::vec4(0.0f/Zero_f))) ? 0 : 1; |
|
} |
|
|
|
return Error; |
|
} |
|
|
|
int test_isinf() |
|
{ |
|
int Error = 0; |
|
|
|
float Zero_f = 0.0; |
|
double Zero_d = 0.0; |
|
|
|
{ |
|
Error += true == glm::isinf( 1.0/Zero_d) ? 0 : 1; |
|
Error += true == glm::isinf(-1.0/Zero_d) ? 0 : 1; |
|
Error += true == glm::any(glm::isinf(glm::dvec2( 1.0/Zero_d))) ? 0 : 1; |
|
Error += true == glm::any(glm::isinf(glm::dvec2(-1.0/Zero_d))) ? 0 : 1; |
|
Error += true == glm::any(glm::isinf(glm::dvec3( 1.0/Zero_d))) ? 0 : 1; |
|
Error += true == glm::any(glm::isinf(glm::dvec3(-1.0/Zero_d))) ? 0 : 1; |
|
Error += true == glm::any(glm::isinf(glm::dvec4( 1.0/Zero_d))) ? 0 : 1; |
|
Error += true == glm::any(glm::isinf(glm::dvec4(-1.0/Zero_d))) ? 0 : 1; |
|
} |
|
|
|
{ |
|
Error += true == glm::isinf( 1.0f/Zero_f) ? 0 : 1; |
|
Error += true == glm::isinf(-1.0f/Zero_f) ? 0 : 1; |
|
Error += true == glm::any(glm::isinf(glm::vec2( 1.0f/Zero_f))) ? 0 : 1; |
|
Error += true == glm::any(glm::isinf(glm::vec2(-1.0f/Zero_f))) ? 0 : 1; |
|
Error += true == glm::any(glm::isinf(glm::vec3( 1.0f/Zero_f))) ? 0 : 1; |
|
Error += true == glm::any(glm::isinf(glm::vec3(-1.0f/Zero_f))) ? 0 : 1; |
|
Error += true == glm::any(glm::isinf(glm::vec4( 1.0f/Zero_f))) ? 0 : 1; |
|
Error += true == glm::any(glm::isinf(glm::vec4(-1.0f/Zero_f))) ? 0 : 1; |
|
} |
|
|
|
return Error; |
|
} |
|
|
|
namespace sign |
|
{ |
|
template <typename genFIType> |
|
GLM_FUNC_QUALIFIER genFIType sign_if(genFIType x) |
|
{ |
|
GLM_STATIC_ASSERT( |
|
std::numeric_limits<genFIType>::is_iec559 || |
|
(std::numeric_limits<genFIType>::is_signed && std::numeric_limits<genFIType>::is_integer), "'sign' only accept signed inputs"); |
|
|
|
genFIType result; |
|
if(x > genFIType(0)) |
|
result = genFIType(1); |
|
else if(x < genFIType(0)) |
|
result = genFIType(-1); |
|
else |
|
result = genFIType(0); |
|
return result; |
|
} |
|
|
|
template <typename genFIType> |
|
GLM_FUNC_QUALIFIER genFIType sign_alu1(genFIType x) |
|
{ |
|
GLM_STATIC_ASSERT( |
|
std::numeric_limits<genFIType>::is_signed && std::numeric_limits<genFIType>::is_integer, |
|
"'sign' only accept integer inputs"); |
|
|
|
return (x >> 31) | ((unsigned)-x >> 31); |
|
} |
|
|
|
template <typename genFIType> |
|
GLM_FUNC_QUALIFIER genFIType sign_alu2(genFIType x) |
|
{ |
|
GLM_STATIC_ASSERT( |
|
std::numeric_limits<genFIType>::is_signed && std::numeric_limits<genFIType>::is_integer, |
|
"'sign' only accept integer inputs"); |
|
|
|
return -((unsigned)x >> 31) | (-(unsigned)x >> 31); |
|
} |
|
|
|
template <typename genFIType> |
|
GLM_FUNC_QUALIFIER genFIType sign_sub(genFIType x) |
|
{ |
|
GLM_STATIC_ASSERT( |
|
std::numeric_limits<genFIType>::is_signed && std::numeric_limits<genFIType>::is_integer, |
|
"'sign' only accept integer inputs"); |
|
|
|
return ((unsigned)-x >> 31) - ((unsigned)x >> 31); |
|
} |
|
|
|
template <typename genFIType> |
|
GLM_FUNC_QUALIFIER genFIType sign_cmp(genFIType x) |
|
{ |
|
GLM_STATIC_ASSERT( |
|
std::numeric_limits<genFIType>::is_signed && std::numeric_limits<genFIType>::is_integer, |
|
"'sign' only accept integer inputs"); |
|
|
|
return (x > 0) - (x < 0); |
|
} |
|
|
|
template <typename genType> |
|
struct type |
|
{ |
|
genType Value; |
|
genType Return; |
|
}; |
|
|
|
int test_int32() |
|
{ |
|
type<glm::int32> const Data[] = |
|
{ |
|
{ 0, 0}, |
|
{ 1, 1}, |
|
{ 2, 1}, |
|
{ 3, 1}, |
|
{-1,-1}, |
|
{-2,-1}, |
|
{-3,-1} |
|
}; |
|
|
|
int Error = 0; |
|
|
|
for(std::size_t i = 0; i < sizeof(Data) / sizeof(type<glm::int32>); ++i) |
|
{ |
|
glm::int32 Result = sign_cmp(Data[i].Value); |
|
Error += Data[i].Return == Result ? 0 : 1; |
|
} |
|
|
|
for(std::size_t i = 0; i < sizeof(Data) / sizeof(type<glm::int32>); ++i) |
|
{ |
|
glm::int32 Result = sign_if(Data[i].Value); |
|
Error += Data[i].Return == Result ? 0 : 1; |
|
} |
|
|
|
for(std::size_t i = 0; i < sizeof(Data) / sizeof(type<glm::int32>); ++i) |
|
{ |
|
glm::int32 Result = sign_alu1(Data[i].Value); |
|
Error += Data[i].Return == Result ? 0 : 1; |
|
} |
|
|
|
for(std::size_t i = 0; i < sizeof(Data) / sizeof(type<glm::int32>); ++i) |
|
{ |
|
glm::int32 Result = sign_alu2(Data[i].Value); |
|
Error += Data[i].Return == Result ? 0 : 1; |
|
} |
|
|
|
for(std::size_t i = 0; i < sizeof(Data) / sizeof(type<glm::int32>); ++i) |
|
{ |
|
glm::int32 Result = sign_sub(Data[i].Value); |
|
Error += Data[i].Return == Result ? 0 : 1; |
|
} |
|
|
|
return Error; |
|
} |
|
|
|
int test() |
|
{ |
|
int Error = 0; |
|
|
|
Error += test_int32(); |
|
|
|
return Error; |
|
} |
|
|
|
int perf_rand() |
|
{ |
|
int Error = 0; |
|
|
|
std::size_t const Count = 1000000000; |
|
std::vector<glm::int32> Input, Output; |
|
Input.resize(Count); |
|
Output.resize(Count); |
|
for(std::size_t i = 0; i < Count; ++i) |
|
Input[i] = static_cast<glm::int32>(glm::linearRand(-65536.f, 65536.f)); |
|
|
|
std::clock_t Timestamp0 = std::clock(); |
|
|
|
for(std::size_t i = 0; i < Count; ++i) |
|
Output[i] = sign_cmp(Input[i]); |
|
|
|
std::clock_t Timestamp1 = std::clock(); |
|
|
|
for(std::size_t i = 0; i < Count; ++i) |
|
Output[i] = sign_if(Input[i]); |
|
|
|
std::clock_t Timestamp2 = std::clock(); |
|
|
|
for(std::size_t i = 0; i < Count; ++i) |
|
Output[i] = sign_alu1(Input[i]); |
|
|
|
std::clock_t Timestamp3 = std::clock(); |
|
|
|
for(std::size_t i = 0; i < Count; ++i) |
|
Output[i] = sign_alu2(Input[i]); |
|
|
|
std::clock_t Timestamp4 = std::clock(); |
|
|
|
for(std::size_t i = 0; i < Count; ++i) |
|
Output[i] = sign_sub(Input[i]); |
|
|
|
std::clock_t Timestamp5 = std::clock(); |
|
|
|
std::printf("sign_cmp(rand) Time %d clocks\n", Timestamp1 - Timestamp0); |
|
std::printf("sign_if(rand) Time %d clocks\n", Timestamp2 - Timestamp1); |
|
std::printf("sign_alu1(rand) Time %d clocks\n", Timestamp3 - Timestamp2); |
|
std::printf("sign_alu2(rand) Time %d clocks\n", Timestamp4 - Timestamp3); |
|
std::printf("sign_sub(rand) Time %d clocks\n", Timestamp5 - Timestamp4); |
|
|
|
return Error; |
|
} |
|
|
|
int perf_linear() |
|
{ |
|
int Error = 0; |
|
|
|
std::size_t const Count = 1000000000; |
|
std::vector<glm::int32> Input, Output; |
|
Input.resize(Count); |
|
Output.resize(Count); |
|
for(std::size_t i = 0; i < Count; ++i) |
|
Input[i] = static_cast<glm::int32>(i); |
|
|
|
std::clock_t Timestamp0 = std::clock(); |
|
|
|
for(std::size_t i = 0; i < Count; ++i) |
|
Output[i] = sign_cmp(Input[i]); |
|
|
|
std::clock_t Timestamp1 = std::clock(); |
|
|
|
for(std::size_t i = 0; i < Count; ++i) |
|
Output[i] = sign_if(Input[i]); |
|
|
|
std::clock_t Timestamp2 = std::clock(); |
|
|
|
for(std::size_t i = 0; i < Count; ++i) |
|
Output[i] = sign_alu1(Input[i]); |
|
|
|
std::clock_t Timestamp3 = std::clock(); |
|
|
|
for(std::size_t i = 0; i < Count; ++i) |
|
Output[i] = sign_alu2(Input[i]); |
|
|
|
std::clock_t Timestamp4 = std::clock(); |
|
|
|
for(std::size_t i = 0; i < Count; ++i) |
|
Output[i] = sign_sub(Input[i]); |
|
|
|
std::clock_t Timestamp5 = std::clock(); |
|
|
|
std::printf("sign_cmp(linear) Time %d clocks\n", Timestamp1 - Timestamp0); |
|
std::printf("sign_if(linear) Time %d clocks\n", Timestamp2 - Timestamp1); |
|
std::printf("sign_alu1(linear) Time %d clocks\n", Timestamp3 - Timestamp2); |
|
std::printf("sign_alu2(linear) Time %d clocks\n", Timestamp4 - Timestamp3); |
|
std::printf("sign_sub(linear) Time %d clocks\n", Timestamp5 - Timestamp4); |
|
|
|
return Error; |
|
} |
|
|
|
int perf_linear_cal() |
|
{ |
|
int Error = 0; |
|
|
|
glm::uint32 const Count = 1000000000; |
|
|
|
std::clock_t Timestamp0 = std::clock(); |
|
glm::int32 Sum = 0; |
|
|
|
for(glm::int32 i = 1; i < Count; ++i) |
|
Sum += sign_cmp(i); |
|
|
|
std::clock_t Timestamp1 = std::clock(); |
|
|
|
for(glm::int32 i = 1; i < Count; ++i) |
|
Sum += sign_if(i); |
|
|
|
std::clock_t Timestamp2 = std::clock(); |
|
|
|
for(glm::int32 i = 1; i < Count; ++i) |
|
Sum += sign_alu1(i); |
|
|
|
std::clock_t Timestamp3 = std::clock(); |
|
|
|
for(glm::int32 i = 1; i < Count; ++i) |
|
Sum += sign_alu2(i); |
|
|
|
std::clock_t Timestamp4 = std::clock(); |
|
|
|
for(glm::int32 i = 1; i < Count; ++i) |
|
Sum += sign_sub(i); |
|
|
|
std::clock_t Timestamp5 = std::clock(); |
|
|
|
std::printf("Sum %d\n", Sum); |
|
|
|
std::printf("sign_cmp(linear_cal) Time %d clocks\n", Timestamp1 - Timestamp0); |
|
std::printf("sign_if(linear_cal) Time %d clocks\n", Timestamp2 - Timestamp1); |
|
std::printf("sign_alu1(linear_cal) Time %d clocks\n", Timestamp3 - Timestamp2); |
|
std::printf("sign_alu2(linear_cal) Time %d clocks\n", Timestamp4 - Timestamp3); |
|
std::printf("sign_sub(linear_cal) Time %d clocks\n", Timestamp5 - Timestamp4); |
|
|
|
return Error; |
|
} |
|
|
|
int perf() |
|
{ |
|
int Error(0); |
|
|
|
Error += perf_linear_cal(); |
|
Error += perf_linear(); |
|
Error += perf_rand(); |
|
|
|
return Error; |
|
} |
|
}//namespace sign |
|
|
|
int main() |
|
{ |
|
int Error(0); |
|
|
|
Error += sign::test(); |
|
Error += sign::perf(); |
|
Error += test_floor(); |
|
Error += test_modf(); |
|
Error += test_floatBitsToInt(); |
|
Error += test_floatBitsToUint(); |
|
Error += test_step::run(); |
|
Error += test_max(); |
|
Error += test_min(); |
|
Error += test_mix::run(); |
|
Error += test_round(); |
|
Error += test_roundEven(); |
|
Error += test_isnan(); |
|
Error += test_isinf(); |
|
|
|
return Error; |
|
} |
|
|
|
|