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-rw-r--r--3rdparty/glm/source/test/gtc/gtc_random.cpp381
1 files changed, 381 insertions, 0 deletions
diff --git a/3rdparty/glm/source/test/gtc/gtc_random.cpp b/3rdparty/glm/source/test/gtc/gtc_random.cpp
new file mode 100644
index 0000000..60fb60c
--- /dev/null
+++ b/3rdparty/glm/source/test/gtc/gtc_random.cpp
@@ -0,0 +1,381 @@
+#define GLM_FORCE_DEFAULT_ALIGNED_GENTYPES
+#include <glm/gtc/random.hpp>
+#include <glm/gtc/epsilon.hpp>
+#include <glm/gtc/type_precision.hpp>
+#if GLM_LANG & GLM_LANG_CXX0X_FLAG
+# include <array>
+#endif
+
+std::size_t const TestSamples = 10000;
+
+int test_linearRand()
+{
+ int Error = 0;
+
+ glm::int32 const Min = 16;
+ glm::int32 const Max = 32;
+
+ {
+ glm::u8vec2 AMin(std::numeric_limits<glm::u8>::max());
+ glm::u8vec2 AMax(std::numeric_limits<glm::u8>::min());
+ {
+ for(std::size_t i = 0; i < TestSamples; ++i)
+ {
+ glm::u8vec2 A = glm::linearRand(glm::u8vec2(Min), glm::u8vec2(Max));
+ AMin = glm::min(AMin, A);
+ AMax = glm::max(AMax, A);
+
+ if(!glm::all(glm::lessThanEqual(A, glm::u8vec2(Max))))
+ ++Error;
+ if(!glm::all(glm::greaterThanEqual(A, glm::u8vec2(Min))))
+ ++Error;
+ assert(!Error);
+ }
+
+ Error += glm::all(glm::equal(AMin, glm::u8vec2(Min))) ? 0 : 1;
+ Error += glm::all(glm::equal(AMax, glm::u8vec2(Max))) ? 0 : 1;
+ assert(!Error);
+ }
+
+ glm::u16vec2 BMin(std::numeric_limits<glm::u16>::max());
+ glm::u16vec2 BMax(std::numeric_limits<glm::u16>::min());
+ {
+ for(std::size_t i = 0; i < TestSamples; ++i)
+ {
+ glm::u16vec2 B = glm::linearRand(glm::u16vec2(Min), glm::u16vec2(Max));
+ BMin = glm::min(BMin, B);
+ BMax = glm::max(BMax, B);
+
+ if(!glm::all(glm::lessThanEqual(B, glm::u16vec2(Max))))
+ ++Error;
+ if(!glm::all(glm::greaterThanEqual(B, glm::u16vec2(Min))))
+ ++Error;
+ assert(!Error);
+ }
+
+ Error += glm::all(glm::equal(BMin, glm::u16vec2(Min))) ? 0 : 1;
+ Error += glm::all(glm::equal(BMax, glm::u16vec2(Max))) ? 0 : 1;
+ assert(!Error);
+ }
+
+ glm::u32vec2 CMin(std::numeric_limits<glm::u32>::max());
+ glm::u32vec2 CMax(std::numeric_limits<glm::u32>::min());
+ {
+ for(std::size_t i = 0; i < TestSamples; ++i)
+ {
+ glm::u32vec2 C = glm::linearRand(glm::u32vec2(Min), glm::u32vec2(Max));
+ CMin = glm::min(CMin, C);
+ CMax = glm::max(CMax, C);
+
+ if(!glm::all(glm::lessThanEqual(C, glm::u32vec2(Max))))
+ ++Error;
+ if(!glm::all(glm::greaterThanEqual(C, glm::u32vec2(Min))))
+ ++Error;
+ assert(!Error);
+ }
+
+ Error += glm::all(glm::equal(CMin, glm::u32vec2(Min))) ? 0 : 1;
+ Error += glm::all(glm::equal(CMax, glm::u32vec2(Max))) ? 0 : 1;
+ assert(!Error);
+ }
+
+ glm::u64vec2 DMin(std::numeric_limits<glm::u64>::max());
+ glm::u64vec2 DMax(std::numeric_limits<glm::u64>::min());
+ {
+ for(std::size_t i = 0; i < TestSamples; ++i)
+ {
+ glm::u64vec2 D = glm::linearRand(glm::u64vec2(Min), glm::u64vec2(Max));
+ DMin = glm::min(DMin, D);
+ DMax = glm::max(DMax, D);
+
+ if(!glm::all(glm::lessThanEqual(D, glm::u64vec2(Max))))
+ ++Error;
+ if(!glm::all(glm::greaterThanEqual(D, glm::u64vec2(Min))))
+ ++Error;
+ assert(!Error);
+ }
+
+ Error += glm::all(glm::equal(DMin, glm::u64vec2(Min))) ? 0 : 1;
+ Error += glm::all(glm::equal(DMax, glm::u64vec2(Max))) ? 0 : 1;
+ assert(!Error);
+ }
+ }
+
+ {
+ glm::i8vec2 AMin(std::numeric_limits<glm::i8>::max());
+ glm::i8vec2 AMax(std::numeric_limits<glm::i8>::min());
+ {
+ for(std::size_t i = 0; i < TestSamples; ++i)
+ {
+ glm::i8vec2 A = glm::linearRand(glm::i8vec2(Min), glm::i8vec2(Max));
+ AMin = glm::min(AMin, A);
+ AMax = glm::max(AMax, A);
+
+ if(!glm::all(glm::lessThanEqual(A, glm::i8vec2(Max))))
+ ++Error;
+ if(!glm::all(glm::greaterThanEqual(A, glm::i8vec2(Min))))
+ ++Error;
+ assert(!Error);
+ }
+
+ Error += glm::all(glm::equal(AMin, glm::i8vec2(Min))) ? 0 : 1;
+ Error += glm::all(glm::equal(AMax, glm::i8vec2(Max))) ? 0 : 1;
+ assert(!Error);
+ }
+
+ glm::i16vec2 BMin(std::numeric_limits<glm::i16>::max());
+ glm::i16vec2 BMax(std::numeric_limits<glm::i16>::min());
+ {
+ for(std::size_t i = 0; i < TestSamples; ++i)
+ {
+ glm::i16vec2 B = glm::linearRand(glm::i16vec2(Min), glm::i16vec2(Max));
+ BMin = glm::min(BMin, B);
+ BMax = glm::max(BMax, B);
+
+ if(!glm::all(glm::lessThanEqual(B, glm::i16vec2(Max))))
+ ++Error;
+ if(!glm::all(glm::greaterThanEqual(B, glm::i16vec2(Min))))
+ ++Error;
+ assert(!Error);
+ }
+
+ Error += glm::all(glm::equal(BMin, glm::i16vec2(Min))) ? 0 : 1;
+ Error += glm::all(glm::equal(BMax, glm::i16vec2(Max))) ? 0 : 1;
+ assert(!Error);
+ }
+
+ glm::i32vec2 CMin(std::numeric_limits<glm::i32>::max());
+ glm::i32vec2 CMax(std::numeric_limits<glm::i32>::min());
+ {
+ for(std::size_t i = 0; i < TestSamples; ++i)
+ {
+ glm::i32vec2 C = glm::linearRand(glm::i32vec2(Min), glm::i32vec2(Max));
+ CMin = glm::min(CMin, C);
+ CMax = glm::max(CMax, C);
+
+ if(!glm::all(glm::lessThanEqual(C, glm::i32vec2(Max))))
+ ++Error;
+ if(!glm::all(glm::greaterThanEqual(C, glm::i32vec2(Min))))
+ ++Error;
+ assert(!Error);
+ }
+
+ Error += glm::all(glm::equal(CMin, glm::i32vec2(Min))) ? 0 : 1;
+ Error += glm::all(glm::equal(CMax, glm::i32vec2(Max))) ? 0 : 1;
+ assert(!Error);
+ }
+
+ glm::i64vec2 DMin(std::numeric_limits<glm::i64>::max());
+ glm::i64vec2 DMax(std::numeric_limits<glm::i64>::min());
+ {
+ for(std::size_t i = 0; i < TestSamples; ++i)
+ {
+ glm::i64vec2 D = glm::linearRand(glm::i64vec2(Min), glm::i64vec2(Max));
+ DMin = glm::min(DMin, D);
+ DMax = glm::max(DMax, D);
+
+ if(!glm::all(glm::lessThanEqual(D, glm::i64vec2(Max))))
+ ++Error;
+ if(!glm::all(glm::greaterThanEqual(D, glm::i64vec2(Min))))
+ ++Error;
+ assert(!Error);
+ }
+
+ Error += glm::all(glm::equal(DMin, glm::i64vec2(Min))) ? 0 : 1;
+ Error += glm::all(glm::equal(DMax, glm::i64vec2(Max))) ? 0 : 1;
+ assert(!Error);
+ }
+ }
+
+ for(std::size_t i = 0; i < TestSamples; ++i)
+ {
+ glm::f32vec2 const A(glm::linearRand(glm::f32vec2(static_cast<float>(Min)), glm::f32vec2(static_cast<float>(Max))));
+ if(!glm::all(glm::lessThanEqual(A, glm::f32vec2(static_cast<float>(Max)))))
+ ++Error;
+ if(!glm::all(glm::greaterThanEqual(A, glm::f32vec2(static_cast<float>(Min)))))
+ ++Error;
+
+ glm::f64vec2 const B(glm::linearRand(glm::f64vec2(Min), glm::f64vec2(Max)));
+ if(!glm::all(glm::lessThanEqual(B, glm::f64vec2(Max))))
+ ++Error;
+ if(!glm::all(glm::greaterThanEqual(B, glm::f64vec2(Min))))
+ ++Error;
+ assert(!Error);
+ }
+
+ {
+ float ResultFloat = 0.0f;
+ double ResultDouble = 0.0;
+ for(std::size_t i = 0; i < TestSamples; ++i)
+ {
+ ResultFloat += glm::linearRand(-1.0f, 1.0f);
+ ResultDouble += glm::linearRand(-1.0, 1.0);
+ }
+
+ Error += glm::epsilonEqual(ResultFloat, 0.0f, 0.0001f);
+ Error += glm::epsilonEqual(ResultDouble, 0.0, 0.0001);
+ assert(!Error);
+ }
+
+ return Error;
+}
+
+int test_circularRand()
+{
+ int Error = 0;
+
+ {
+ std::size_t Max = TestSamples;
+ float ResultFloat = 0.0f;
+ double ResultDouble = 0.0;
+ double Radius = 2.0;
+
+ for(std::size_t i = 0; i < Max; ++i)
+ {
+ ResultFloat += glm::length(glm::circularRand(1.0f));
+ ResultDouble += glm::length(glm::circularRand(Radius));
+ }
+
+ Error += glm::epsilonEqual(ResultFloat, float(Max), 0.01f) ? 0 : 1;
+ Error += glm::epsilonEqual(ResultDouble, double(Max) * double(Radius), 0.01) ? 0 : 1;
+ assert(!Error);
+ }
+
+ return Error;
+}
+
+int test_sphericalRand()
+{
+ int Error = 0;
+
+ {
+ std::size_t Max = TestSamples;
+ float ResultFloatA = 0.0f;
+ float ResultFloatB = 0.0f;
+ float ResultFloatC = 0.0f;
+ double ResultDoubleA = 0.0;
+ double ResultDoubleB = 0.0;
+ double ResultDoubleC = 0.0;
+
+ for(std::size_t i = 0; i < Max; ++i)
+ {
+ ResultFloatA += glm::length(glm::sphericalRand(1.0f));
+ ResultDoubleA += glm::length(glm::sphericalRand(1.0));
+ ResultFloatB += glm::length(glm::sphericalRand(2.0f));
+ ResultDoubleB += glm::length(glm::sphericalRand(2.0));
+ ResultFloatC += glm::length(glm::sphericalRand(3.0f));
+ ResultDoubleC += glm::length(glm::sphericalRand(3.0));
+ }
+
+ Error += glm::epsilonEqual(ResultFloatA, float(Max), 0.01f) ? 0 : 1;
+ Error += glm::epsilonEqual(ResultDoubleA, double(Max), 0.0001) ? 0 : 1;
+ Error += glm::epsilonEqual(ResultFloatB, float(Max * 2), 0.01f) ? 0 : 1;
+ Error += glm::epsilonEqual(ResultDoubleB, double(Max * 2), 0.0001) ? 0 : 1;
+ Error += glm::epsilonEqual(ResultFloatC, float(Max * 3), 0.01f) ? 0 : 1;
+ Error += glm::epsilonEqual(ResultDoubleC, double(Max * 3), 0.01) ? 0 : 1;
+ assert(!Error);
+ }
+
+ return Error;
+}
+
+int test_diskRand()
+{
+ int Error = 0;
+
+ {
+ float ResultFloat = 0.0f;
+ double ResultDouble = 0.0;
+
+ for(std::size_t i = 0; i < TestSamples; ++i)
+ {
+ ResultFloat += glm::length(glm::diskRand(2.0f));
+ ResultDouble += glm::length(glm::diskRand(2.0));
+ }
+
+ Error += ResultFloat < float(TestSamples) * 2.f ? 0 : 1;
+ Error += ResultDouble < double(TestSamples) * 2.0 ? 0 : 1;
+ assert(!Error);
+ }
+
+ return Error;
+}
+
+int test_ballRand()
+{
+ int Error = 0;
+
+ {
+ float ResultFloat = 0.0f;
+ double ResultDouble = 0.0;
+
+ for(std::size_t i = 0; i < TestSamples; ++i)
+ {
+ ResultFloat += glm::length(glm::ballRand(2.0f));
+ ResultDouble += glm::length(glm::ballRand(2.0));
+ }
+
+ Error += ResultFloat < float(TestSamples) * 2.f ? 0 : 1;
+ Error += ResultDouble < double(TestSamples) * 2.0 ? 0 : 1;
+ assert(!Error);
+ }
+
+ return Error;
+}
+/*
+#if(GLM_LANG & GLM_LANG_CXX0X_FLAG)
+int test_grid()
+{
+ int Error = 0;
+
+ typedef std::array<int, 8> colors;
+ typedef std::array<int, 8 * 8> grid;
+
+ grid Grid;
+ colors Colors;
+
+ grid GridBest;
+ colors ColorsBest;
+
+ while(true)
+ {
+ for(std::size_t i = 0; i < Grid.size(); ++i)
+ Grid[i] = int(glm::linearRand(0.0, 8.0 * 8.0 * 8.0 - 1.0) / 64.0);
+
+ for(std::size_t i = 0; i < Grid.size(); ++i)
+ ++Colors[Grid[i]];
+
+ bool Exit = true;
+ for(std::size_t i = 0; i < Colors.size(); ++i)
+ {
+ if(Colors[i] == 8)
+ continue;
+
+ Exit = false;
+ break;
+ }
+
+ if(Exit == true)
+ break;
+ }
+
+ return Error;
+}
+#endif
+*/
+int main()
+{
+ int Error = 0;
+
+ Error += test_linearRand();
+ Error += test_circularRand();
+ Error += test_sphericalRand();
+ Error += test_diskRand();
+ Error += test_ballRand();
+/*
+#if(GLM_LANG & GLM_LANG_CXX0X_FLAG)
+ Error += test_grid();
+#endif
+*/
+ return Error;
+}
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