Merge branch '0.9.3' of ssh://ogl-math.git.sourceforge.net/gitroot/ogl-math/ogl-math into 0.9.3

glm/gtc/random.inl

@@ -92,56 +92,56 @@ GLM_FUNC_QUALIFIER genType gaussRand
 	
     do
     {
-        x1 = compRand1(genType(-1), genType(1));
+        x1 = linearRand(genType(-1), genType(1));
-        x2 = compRand1(genType(-1), genType(1));
+        x2 = linearRand(genType(-1), genType(1));
 		
         w = x1 * x1 + x2 * x2;
     } while(w > genType(1));
 	
-    return x2 * std_deviation * std_deviation * sqrt((genType(-2) * log(w)) / w) + mean;
+    return x2 * Deviation * Deviation * sqrt((genType(-2) * log(w)) / w) + Mean;
 }
 
 template <typename T>
 GLM_FUNC_QUALIFIER detail::tvec2<T> gaussRand
 (
-	detail::tvec2<T> const & Min, 
+	detail::tvec2<T> const & Mean, 
-	detail::tvec2<T> const & Max
+	detail::tvec2<T> const & Deviation
 )
 {
 	return detail::tvec2<T>(
-		gaussRand(Min.x, Max.x),
+		gaussRand(Mean.x, Deviation.x),
-		gaussRand(Min.y, Max.y));
+		gaussRand(Mean.y, Deviation.y));
 }
 	
 template <typename T>
 GLM_FUNC_QUALIFIER detail::tvec3<T> gaussRand
 (
-	detail::tvec3<T> const & Min, 
+	detail::tvec3<T> const & Mean, 
-	detail::tvec3<T> const & Max
+	detail::tvec3<T> const & Deviation
 )
 {
 	return detail::tvec3<T>(
-		gaussRand(Min.x, Max.x),
+		gaussRand(Mean.x, Deviation.x),
-		gaussRand(Min.y, Max.y),
+		gaussRand(Mean.y, Deviation.y),
-		gaussRand(Min.z, Max.z));
+		gaussRand(Mean.z, Deviation.z));
 }
 	
 template <typename T>
 GLM_FUNC_QUALIFIER detail::tvec4<T> gaussRand
 (
-	detail::tvec4<T> const & Min, 
+	detail::tvec4<T> const & Mean, 
-	detail::tvec4<T> const & Max
+	detail::tvec4<T> const & Deviation
 )
 {
 	return detail::tvec4<T>(
-		gaussRand(Min.x, Max.x),
+		gaussRand(Mean.x, Deviation.x),
-		gaussRand(Min.y, Max.y),
+		gaussRand(Mean.y, Deviation.y),
-		gaussRand(Min.z, Max.z),
+		gaussRand(Mean.z, Deviation.z),
-		gaussRand(Min.w, Max.w));
+		gaussRand(Mean.w, Deviation.w));
 }
 	
 template <typename T>
-GLM_FUNC_QUALIFIER detail::tvec3<T> diskRand
+GLM_FUNC_QUALIFIER detail::tvec2<T> diskRand
 (
 	T const & Radius
 )
@@ -151,7 +151,7 @@ GLM_FUNC_QUALIFIER detail::tvec3<T> diskRand
 		
 	do
 	{
-		Result = compRand2(-Radius, Radius);
+		Result = linearRand(detail::tvec2<T>(-Radius), detail::tvec2<T>(Radius));
 		LenRadius = length(Result);
 	}
 	while(LenRadius > Radius);
@@ -170,7 +170,7 @@ GLM_FUNC_QUALIFIER detail::tvec3<T> ballRand
 		
 	do
 	{
-		Result = compRand3(-Radius, Radius);
+		Result = linearRand(detail::tvec3<T>(-Radius), detail::tvec3<T>(Radius));
 		LenRadius = length(Result);
 	}
 	while(LenRadius > Radius);
@@ -184,7 +184,7 @@ GLM_FUNC_QUALIFIER detail::tvec2<T> circularRand
 	T const & Radius
 )
 {
-	T a = compRand1<T>(T(0), T(6.283185307179586476925286766559f));
+	T a = linearRand(T(0), T(6.283185307179586476925286766559f));
 	return detail::tvec2<T>(cos(a), sin(a)) * Radius;		
 }
 	
@@ -194,8 +194,8 @@ GLM_FUNC_QUALIFIER detail::tvec3<T> sphericalRand
 	T const & Radius
 )
 {
-	T z = compRand1(T(-1), T(1));
+	T z = linearRand(T(-1), T(1));
-	T a = compRand1(T(0), T(6.283185307179586476925286766559f));
+	T a = linearRand(T(0), T(6.283185307179586476925286766559f));
 	
 	T r = sqrt(T(1) - z * z);
 	

glm/gtx/noise.inl

@@ -695,52 +695,52 @@ GLM_FUNC_QUALIFIER T simplex(detail::tvec3<T> const & v)
 	detail::tvec4<T> const D(0.0, 0.5, 1.0, 2.0);
 
 	// First corner
-	detail::tvec3<T> i  = floor(v + dot(v, detail::tvec3<T>(C.y)));
+	detail::tvec3<T> i(floor(v + dot(v, detail::tvec3<T>(C.y))));
-	detail::tvec3<T> x0 =   v - i + dot(i, detail::tvec3<T>(C.x));
+	detail::tvec3<T> x0(v - i + dot(i, detail::tvec3<T>(C.x)));
 
 	// Other corners
-	detail::tvec3<T> g = step(detail::tvec3<T>(x0.y, x0.z, x0.x), x0);
+	detail::tvec3<T> g(step(detail::tvec3<T>(x0.y, x0.z, x0.x), x0));
-	detail::tvec3<T> l = T(1) - g;
+	detail::tvec3<T> l(T(1) - g);
-	detail::tvec3<T> i1 = min(g, detail::tvec3<T>(l.z, l.x, l.y));
+	detail::tvec3<T> i1(min(g, detail::tvec3<T>(l.z, l.x, l.y)));
-	detail::tvec3<T> i2 = max(g, detail::tvec3<T>(l.z, l.x, l.y));
+	detail::tvec3<T> i2(max(g, detail::tvec3<T>(l.z, l.x, l.y)));
 
 	//   x0 = x0 - 0.0 + 0.0 * C.xxx;
 	//   x1 = x0 - i1  + 1.0 * C.xxx;
 	//   x2 = x0 - i2  + 2.0 * C.xxx;
 	//   x3 = x0 - 1.0 + 3.0 * C.xxx;
-	detail::tvec3<T> x1 = x0 - i1 + C.x;
+	detail::tvec3<T> x1(x0 - i1 + C.x);
-	detail::tvec3<T> x2 = x0 - i2 + C.y; // 2.0*C.x = 1/3 = C.y
+	detail::tvec3<T> x2(x0 - i2 + C.y); // 2.0*C.x = 1/3 = C.y
-	detail::tvec3<T> x3 = x0 - D.y;      // -1.0+3.0*C.x = -0.5 = -D.y
+	detail::tvec3<T> x3(x0 - D.y);      // -1.0+3.0*C.x = -0.5 = -D.y
 
 	// Permutations
 	i = mod289(i); 
-	detail::tvec4<T> p = permute(permute(permute( 
+	detail::tvec4<T> p(permute(permute(permute( 
 		i.z + detail::tvec4<T>(T(0), i1.z, i2.z, T(1))) + 
 		i.y + detail::tvec4<T>(T(0), i1.y, i2.y, T(1))) + 
-		i.x + detail::tvec4<T>(T(0), i1.x, i2.x, T(1)));
+		i.x + detail::tvec4<T>(T(0), i1.x, i2.x, T(1))));
 
 	// Gradients: 7x7 points over a square, mapped onto an octahedron.
 	// The ring size 17*17 = 289 is close to a multiple of 49 (49*6 = 294)
 	T n_ = T(0.142857142857); // 1.0/7.0
-	detail::tvec3<T> ns = n_ * detail::tvec3<T>(D.w, D.y, D.z) - detail::tvec3<T>(D.x, D.z, D.x);
+	detail::tvec3<T> ns(n_ * detail::tvec3<T>(D.w, D.y, D.z) - detail::tvec3<T>(D.x, D.z, D.x));
 
-	detail::tvec4<T> j = p - T(49) * floor(p * ns.z * ns.z);  //  mod(p,7*7)
+	detail::tvec4<T> j(p - T(49) * floor(p * ns.z * ns.z));  //  mod(p,7*7)
 
-	detail::tvec4<T> x_ = floor(j * ns.z);
+	detail::tvec4<T> x_(floor(j * ns.z));
-	detail::tvec4<T> y_ = floor(j - T(7) * x_);    // mod(j,N)
+	detail::tvec4<T> y_(floor(j - T(7) * x_));    // mod(j,N)
 
-	detail::tvec4<T> x = x_ * ns.x + ns.y;
+	detail::tvec4<T> x(x_ * ns.x + ns.y);
-	detail::tvec4<T> y = y_ * ns.x + ns.y;
+	detail::tvec4<T> y(y_ * ns.x + ns.y);
-	detail::tvec4<T> h = T(1) - abs(x) - abs(y);
+	detail::tvec4<T> h(T(1) - abs(x) - abs(y));
 
 	detail::tvec4<T> b0(x.x, x.y, y.x, y.y);
 	detail::tvec4<T> b1(x.z, x.w, y.z, y.w);
 
 	// vec4 s0 = vec4(lessThan(b0,0.0))*2.0 - 1.0;
 	// vec4 s1 = vec4(lessThan(b1,0.0))*2.0 - 1.0;
-	detail::tvec4<T> s0 = floor(b0) * T(2) + T(1);
+	detail::tvec4<T> s0(floor(b0) * T(2) + T(1));
-	detail::tvec4<T> s1 = floor(b1) * T(2) + T(1);
+	detail::tvec4<T> s1(floor(b1) * T(2) + T(1));
-	detail::tvec4<T> sh = -step(h, detail::tvec4<T>(0.0));
+	detail::tvec4<T> sh(-step(h, detail::tvec4<T>(0.0)));
 
 	detail::tvec4<T> a0 = detail::tvec4<T>(b0.x, b0.z, b0.y, b0.w) + detail::tvec4<T>(s0.x, s0.z, s0.y, s0.w) * detail::tvec4<T>(sh.x, sh.x, sh.y, sh.y);
 	detail::tvec4<T> a1 = detail::tvec4<T>(b1.x, b1.z, b1.y, b1.w) + detail::tvec4<T>(s1.x, s1.z, s1.y, s1.w) * detail::tvec4<T>(sh.z, sh.z, sh.w, sh.w);

test/core/core_type_vec3.cpp

@@ -9,14 +9,132 @@
 
 #include <glm/glm.hpp>
 
-static int test_vec3_operators()
+int test_vec3_operators()
+{
+	int Error = 0;
+	
 	{
 		glm::vec3 A(1.0f);
 		glm::vec3 B(1.0f);
 		bool R = A != B;
 		bool S = A == B;
 
-	return (S && !R) ? 0 : 1;
+		Error += (S && !R) ? 0 : 1;
+	}
+
+	{
+		glm::vec3 A(1.0f, 2.0f, 3.0f);
+		glm::vec3 B(4.0f, 5.0f, 6.0f);
+
+		glm::vec3 C = A + B;
+		Error += C == glm::vec3(5, 7, 9) ? 0 : 1;
+
+		glm::vec3 D = B - A;
+		Error += D == glm::vec3(3, 3, 3) ? 0 : 1;
+
+		glm::vec3 E = A * B;
+		Error += E == glm::vec3(4, 10, 18) ? 0 : 1;
+
+		glm::vec3 F = B / A;
+		Error += F == glm::vec3(4, 2.5, 2) ? 0 : 1;
+
+		glm::vec3 G = A + 1.0f;
+		Error += G == glm::vec3(2, 3, 4) ? 0 : 1;
+
+		glm::vec3 H = B - 1.0f;
+		Error += H == glm::vec3(3, 4, 5) ? 0 : 1;
+
+		glm::vec3 I = A * 2.0f;
+		Error += I == glm::vec3(2, 4, 6) ? 0 : 1;
+
+		glm::vec3 J = B / 2.0f;
+		Error += J == glm::vec3(2, 2.5, 3) ? 0 : 1;
+
+		glm::vec3 K = 1.0f + A;
+		Error += K == glm::vec3(2, 3, 4) ? 0 : 1;
+
+		glm::vec3 L = 1.0f - B;
+		Error += L == glm::vec3(-3, -4, -5) ? 0 : 1;
+
+		glm::vec3 M = 2.0f * A;
+		Error += M == glm::vec3(2, 4, 6) ? 0 : 1;
+
+		glm::vec3 N = 2.0f / B;
+		Error += N == glm::vec3(0.5, 2.0 / 5.0, 2.0 / 6.0) ? 0 : 1;
+	}
+
+	{
+		glm::vec3 A(1.0f, 2.0f, 3.0f);
+		glm::vec3 B(4.0f, 5.0f, 6.0f);
+
+		A += B;
+		Error += A == glm::vec3(5, 7, 9) ? 0 : 1;
+
+		A += 1.0f;
+		Error += A == glm::vec3(6, 8, 10) ? 0 : 1;
+	}
+	{
+		glm::vec3 A(1.0f, 2.0f, 3.0f);
+		glm::vec3 B(4.0f, 5.0f, 6.0f);
+
+		B -= A;
+		Error += B == glm::vec3(3, 3, 3) ? 0 : 1;
+
+		B -= 1.0f;
+		Error += B == glm::vec3(2, 2, 2) ? 0 : 1;
+	}
+	{
+		glm::vec3 A(1.0f, 2.0f, 3.0f);
+		glm::vec3 B(4.0f, 5.0f, 6.0f);
+
+		A *= B;
+		Error += A == glm::vec3(4, 10, 18) ? 0 : 1;
+
+		A *= 2.0f;
+		Error += A == glm::vec3(8, 20, 36) ? 0 : 1;
+	}
+	{
+		glm::vec3 A(1.0f, 2.0f, 3.0f);
+		glm::vec3 B(4.0f, 5.0f, 6.0f);
+
+		B /= A;
+		Error += B == glm::vec3(4, 2.5, 2) ? 0 : 1;
+
+		B /= 2.0f;
+		Error += B == glm::vec3(2, 1.25, 1) ? 0 : 1;
+	}
+
+	{
+		glm::vec3 A(1.0f, 2.0f, 3.0f);
+		glm::vec3 B = -A;
+		Error += B == glm::vec3(-1.0f, -2.0f, -3.0f) ? 0 : 1;
+	}
+
+	{
+		glm::vec3 A(1.0f, 2.0f, 3.0f);
+		glm::vec3 B = --A;
+		Error += B == glm::vec3(0.0f, 1.0f, 2.0f) ? 0 : 1;
+	}
+
+	{
+		glm::vec3 A(1.0f, 2.0f, 3.0f);
+		glm::vec3 B = A--;
+		Error += B == glm::vec3(0.0f, 1.0f, 2.0f) ? 0 : 1;
+	}
+
+	{
+		glm::vec3 A(1.0f, 2.0f, 3.0f);
+		glm::vec3 B = ++A;
+		Error += B == glm::vec3(2.0f, 3.0f, 4.0f) ? 0 : 1;
+	}
+
+	{
+		glm::vec3 A(1.0f, 2.0f, 3.0f);
+		glm::vec3 B = A++;
+		Error += B == glm::vec3(2.0f, 3.0f, 4.0f) ? 0 : 1;
+	}
+
+	return Error;
 }
 
 int test_vec3_size()

test/core/core_type_vec4.cpp

@@ -42,13 +42,131 @@ int test_hvec4()
 }
 
 int test_vec4_operators()
+{
+	int Error = 0;
+	
 	{
 		glm::vec4 A(1.0f);
 		glm::vec4 B(1.0f);
 		bool R = A != B;
 		bool S = A == B;
 
-	return (S && !R) ? 0 : 1;
+		Error += (S && !R) ? 0 : 1;
+	}
+
+	{
+		glm::vec4 A(1.0f, 2.0f, 3.0f, 4.0f);
+		glm::vec4 B(4.0f, 5.0f, 6.0f, 7.0f);
+
+		glm::vec4 C = A + B;
+		Error += C == glm::vec4(5, 7, 9, 11) ? 0 : 1;
+
+		glm::vec4 D = B - A;
+		Error += D == glm::vec4(3, 3, 3, 3) ? 0 : 1;
+
+		glm::vec4 E = A * B;
+		Error += E == glm::vec4(4, 10, 18, 28) ? 0 : 1;
+
+		glm::vec4 F = B / A;
+		Error += F == glm::vec4(4, 2.5, 2, 7.0f / 4.0f) ? 0 : 1;
+
+		glm::vec4 G = A + 1.0f;
+		Error += G == glm::vec4(2, 3, 4, 5) ? 0 : 1;
+
+		glm::vec4 H = B - 1.0f;
+		Error += H == glm::vec4(3, 4, 5, 6) ? 0 : 1;
+
+		glm::vec4 I = A * 2.0f;
+		Error += I == glm::vec4(2, 4, 6, 8) ? 0 : 1;
+
+		glm::vec4 J = B / 2.0f;
+		Error += J == glm::vec4(2, 2.5, 3, 3.5) ? 0 : 1;
+
+		glm::vec4 K = 1.0f + A;
+		Error += K == glm::vec4(2, 3, 4, 5) ? 0 : 1;
+
+		glm::vec4 L = 1.0f - B;
+		Error += L == glm::vec4(-3, -4, -5, -6) ? 0 : 1;
+
+		glm::vec4 M = 2.0f * A;
+		Error += M == glm::vec4(2, 4, 6, 8) ? 0 : 1;
+
+		glm::vec4 N = 2.0f / B;
+		Error += N == glm::vec4(0.5, 2.0 / 5.0, 2.0 / 6.0, 2.0 / 7.0) ? 0 : 1;
+	}
+
+	{
+		glm::vec4 A(1.0f, 2.0f, 3.0f, 4.0f);
+		glm::vec4 B(4.0f, 5.0f, 6.0f, 7.0f);
+
+		A += B;
+		Error += A == glm::vec4(5, 7, 9, 11) ? 0 : 1;
+
+		A += 1.0f;
+		Error += A == glm::vec4(6, 8, 10, 12) ? 0 : 1;
+	}
+	{
+		glm::vec4 A(1.0f, 2.0f, 3.0f, 4.0f);
+		glm::vec4 B(4.0f, 5.0f, 6.0f, 7.0f);
+
+		B -= A;
+		Error += B == glm::vec4(3, 3, 3, 3) ? 0 : 1;
+
+		B -= 1.0f;
+		Error += B == glm::vec4(2, 2, 2, 2) ? 0 : 1;
+	}
+	{
+		glm::vec4 A(1.0f, 2.0f, 3.0f, 4.0f);
+		glm::vec4 B(4.0f, 5.0f, 6.0f, 7.0f);
+
+		A *= B;
+		Error += A == glm::vec4(4, 10, 18, 28) ? 0 : 1;
+
+		A *= 2.0f;
+		Error += A == glm::vec4(8, 20, 36, 56) ? 0 : 1;
+	}
+	{
+		glm::vec4 A(1.0f, 2.0f, 3.0f, 4.0f);
+		glm::vec4 B(4.0f, 5.0f, 6.0f, 7.0f);
+
+		B /= A;
+		Error += B == glm::vec4(4, 2.5, 2, 7.0f / 4.0f) ? 0 : 1;
+
+		B /= 2.0f;
+		Error += B == glm::vec4(2, 1.25, 1, 7.0f / 4.0f / 2.0f) ? 0 : 1;
+	}
+
+	{
+		glm::vec4 A(1.0f, 2.0f, 3.0f, 4.0f);
+		glm::vec4 B = -A;
+		Error += B == glm::vec4(-1.0f, -2.0f, -3.0f, -4.0f) ? 0 : 1;
+	}
+
+	{
+		glm::vec4 A(1.0f, 2.0f, 3.0f, 4.0f);
+		glm::vec4 B = --A;
+		Error += B == glm::vec4(0.0f, 1.0f, 2.0f, 3.0f) ? 0 : 1;
+	}
+
+	{
+		glm::vec4 A(1.0f, 2.0f, 3.0f, 4.0f);
+		glm::vec4 B = A--;
+		Error += B == glm::vec4(0.0f, 1.0f, 2.0f, 3.0f) ? 0 : 1;
+	}
+
+	{
+		glm::vec4 A(1.0f, 2.0f, 3.0f, 4.0f);
+		glm::vec4 B = ++A;
+		Error += B == glm::vec4(2.0f, 3.0f, 4.0f, 5.0f) ? 0 : 1;
+	}
+
+	{
+		glm::vec4 A(1.0f, 2.0f, 3.0f, 4.0f);
+		glm::vec4 B = A++;
+		Error += B == glm::vec4(2.0f, 3.0f, 4.0f, 5.0f) ? 0 : 1;
+	}
+
+	return Error;
 }
 
 int test_vec4_size()

test/gtc/gtc_random.cpp

@@ -33,7 +33,7 @@ int test_linearRand()
 	return Error;
 }
 
-int test_normalizedRand2()
+int test_circularRand()
 {
 	int Error = 0;
 
@@ -41,21 +41,23 @@ int test_normalizedRand2()
 		std::size_t Max = 100000;
 		float ResultFloat = 0.0f;
 		double ResultDouble = 0.0f;
+		double Radius = 2.0f;
+
 		for(std::size_t i = 0; i < Max; ++i)
 		{
-			ResultFloat += glm::length(glm::normalizedRand2(1.0f, 1.0f));
+			ResultFloat += glm::length(glm::circularRand(1.0f));
-			ResultDouble += glm::length(glm::normalizedRand2(1.0f, 1.0f));
+			ResultDouble += glm::length(glm::circularRand(Radius));
 		}
 
 		Error += glm::equalEpsilon(ResultFloat, float(Max), 0.01f) ? 0 : 1;
-		Error += glm::equalEpsilon(ResultDouble, double(Max), 0.01) ? 0 : 1;
+		Error += glm::equalEpsilon(ResultDouble, double(Max) * double(Radius), 0.01) ? 0 : 1;
 		assert(!Error);
 	}
 
 	return Error;
 }
 
-int test_normalizedRand3()
+int test_sphericalRand()
 {
 	int Error = 0;
 
@@ -67,22 +69,67 @@ int test_normalizedRand3()
 		double ResultDoubleA = 0.0f;
 		double ResultDoubleB = 0.0f;
 		double ResultDoubleC = 0.0f;
+
 		for(std::size_t i = 0; i < Max; ++i)
 		{
-			ResultFloatA += glm::length(glm::normalizedRand3(1.0f, 1.0f));
+			ResultFloatA += glm::length(glm::sphericalRand(1.0f));
-			ResultDoubleA += glm::length(glm::normalizedRand3(1.0f, 1.0f));
+			ResultDoubleA += glm::length(glm::sphericalRand(1.0));
-			ResultFloatB += glm::length(glm::normalizedRand3(2.0f, 2.0f));
+			ResultFloatB += glm::length(glm::sphericalRand(2.0f));
-			ResultDoubleB += glm::length(glm::normalizedRand3(2.0, 2.0));
+			ResultDoubleB += glm::length(glm::sphericalRand(2.0));
-			ResultFloatC += glm::length(glm::normalizedRand3(1.0f, 3.0f));
+			ResultFloatC += glm::length(glm::sphericalRand(3.0f));
-			ResultDoubleC += glm::length(glm::normalizedRand3(1.0, 3.0));
+			ResultDoubleC += glm::length(glm::sphericalRand(3.0));
 		}
 
-		Error += glm::equalEpsilon(ResultFloatA, float(Max), 100.0f) ? 0 : 1;
+		Error += glm::equalEpsilon(ResultFloatA, float(Max), 0.01f) ? 0 : 1;
-		Error += glm::equalEpsilon(ResultDoubleA, double(Max), 100.0) ? 0 : 1;
+		Error += glm::equalEpsilon(ResultDoubleA, double(Max), 0.0001) ? 0 : 1;
-		Error += glm::equalEpsilon(ResultFloatB, float(Max * 2), 100.0001f) ? 0 : 1;
+		Error += glm::equalEpsilon(ResultFloatB, float(Max * 2), 0.01f) ? 0 : 1;
-		Error += glm::equalEpsilon(ResultDoubleB, double(Max * 2), 100.0001) ? 0 : 1;
+		Error += glm::equalEpsilon(ResultDoubleB, double(Max * 2), 0.0001) ? 0 : 1;
-		Error += (ResultFloatC >= float(Max) && ResultFloatC <= float(Max * 3)) ? 0 : 1;
+		Error += glm::equalEpsilon(ResultFloatC, float(Max * 3), 0.01f) ? 0 : 1;
-		Error += (ResultDoubleC >= double(Max) && ResultDoubleC <= double(Max * 3)) ? 0 : 1;
+		Error += glm::equalEpsilon(ResultDoubleC, double(Max * 3), 0.01) ? 0 : 1;
+		assert(!Error);
+	}
+
+	return Error;
+}
+
+int test_diskRand()
+{
+	int Error = 0;
+
+	{
+		float ResultFloat = 0.0f;
+		double ResultDouble = 0.0f;
+
+		for(std::size_t i = 0; i < 100000; ++i)
+		{
+			ResultFloat += glm::length(glm::diskRand(2.0f));
+			ResultDouble += glm::length(glm::diskRand(2.0));
+		}
+
+		Error += ResultFloat < 200000.f ? 0 : 1;
+		Error += ResultDouble < 200000.0 ? 0 : 1;
+		assert(!Error);
+	}
+
+	return Error;
+}
+
+int test_ballRand()
+{
+	int Error = 0;
+
+	{
+		float ResultFloat = 0.0f;
+		double ResultDouble = 0.0f;
+
+		for(std::size_t i = 0; i < 100000; ++i)
+		{
+			ResultFloat += glm::length(glm::ballRand(2.0f));
+			ResultDouble += glm::length(glm::ballRand(2.0));
+		}
+
+		Error += ResultFloat < 200000.f ? 0 : 1;
+		Error += ResultDouble < 200000.0 ? 0 : 1;
 		assert(!Error);
 	}
 
@@ -94,8 +141,10 @@ int main()
 	int Error = 0;
 
 	Error += test_linearRand();
-	Error += test_normalizedRand2();
+	Error += test_circularRand();
-	Error += test_normalizedRand3();
+	Error += test_sphericalRand();
+	Error += test_diskRand();
+	Error += test_ballRand();
 
 	return Error;
 }

test/gtx/gtx_noise.cpp

@@ -23,7 +23,7 @@ int test_simplex()
 		for(std::size_t y = 0; y < Size; ++y)
 		for(std::size_t x = 0; x < Size; ++x)
 		{
-			ImageData[(x + y * Size) * 3 + 0] = glm::byte(glm::simplex(glm::vec2(x / 16.f, y / 16.f)) * 128.f + 127.f);
+			ImageData[(x + y * Size) * 3 + 0] = glm::byte(glm::simplex(glm::vec2(x / 32.f, y / 32.f)) * 128.f + 127.f);
 			ImageData[(x + y * Size) * 3 + 1] = ImageData[(x + y * Size) * 3 + 0];
 			ImageData[(x + y * Size) * 3 + 2] = ImageData[(x + y * Size) * 3 + 0];
 		}
@@ -40,7 +40,7 @@ int test_simplex()
 		for(std::size_t y = 0; y < Size; ++y)
 		for(std::size_t x = 0; x < Size; ++x)
 		{
-			ImageData[(x + y * Size) * 3 + 0] = glm::byte(glm::simplex(glm::vec3(x / 16.f, y / 16.f, 0.5f)) * 128.f + 127.f);
+			ImageData[(x + y * Size) * 3 + 0] = glm::byte(glm::simplex(glm::vec3(x / 32.f, y / 32.f, 0.5f)) * 128.f + 127.f);
 			ImageData[(x + y * Size) * 3 + 1] = ImageData[(x + y * Size) * 3 + 0];
 			ImageData[(x + y * Size) * 3 + 2] = ImageData[(x + y * Size) * 3 + 0];
 		}
@@ -57,7 +57,7 @@ int test_simplex()
 		for(std::size_t y = 0; y < Size; ++y)
 		for(std::size_t x = 0; x < Size; ++x)
 		{
-			ImageData[(x + y * Size) * 3 + 0] = glm::byte(glm::simplex(glm::vec4(x / 16.f, y / 16.f, 0.5f, 0.5f)) * 128.f + 127.f);
+			ImageData[(x + y * Size) * 3 + 0] = glm::byte(glm::simplex(glm::vec4(x / 32.f, y / 32.f, 0.5f, 0.5f)) * 128.f + 127.f);
 			ImageData[(x + y * Size) * 3 + 1] = ImageData[(x + y * Size) * 3 + 0];
 			ImageData[(x + y * Size) * 3 + 2] = ImageData[(x + y * Size) * 3 + 0];
 		}