Updated random tests

test/gtx/CMakeLists.txt

@@ -1,6 +1,7 @@
 glmCreateTestGTC(gtx_bit)
 glmCreateTestGTC(gtx_noise)
 glmCreateTestGTC(gtx_quaternion)
+glmCreateTestGTC(gtx_random)
 glmCreateTestGTC(gtx_rotate_vector)
 glmCreateTestGTC(gtx_simd_vec4)
 glmCreateTestGTC(gtx_simd_mat4)

test/gtx/gtx_noise.cpp

@@ -11,17 +11,40 @@
 #include <glm/gtx/noise.hpp>
 #include <iostream>
 
-int main()
+int test_simplex()
 {
 	float ValueSNoise2D = glm::simplex(glm::vec2(0.5f));
     float ValueSNoise3D = glm::simplex(glm::vec3(0.5f));
     float ValueSNoise4D = glm::simplex(glm::vec4(0.5f));
 
+	return 0;
+}
+
+int test_perlin()
+{
 	float ValueCNoise2D = glm::perlin(glm::vec2(0.5f));
     float ValueCNoise3D = glm::perlin(glm::vec3(0.5f));
     float ValueCNoise4D = glm::perlin(glm::vec4(0.5f));
 
+	return 0;
+}
+
+int test_perlin_pedioric()
+{
 	float ValuePNoise2D = glm::perlin(glm::vec2(0.5f), glm::vec2(0.5f));
     float ValuePNoise3D = glm::perlin(glm::vec3(0.5f), glm::vec3(0.5f));
     float ValuePNoise4D = glm::perlin(glm::vec4(0.5f), glm::vec4(0.5f));
+
+	return 0;
+}
+
+int main()
+{
+	int Error = 0;
+
+	Error += test_simplex();
+	Error += test_perlin();
+	Error += test_perlin_pedioric();
+
+	return Error;
 }

test/gtx/gtx_random.cpp

@@ -0,0 +1,42 @@
+///////////////////////////////////////////////////////////////////////////////////////////////////
+// OpenGL Mathematics Copyright (c) 2005 - 2011 G-Truc Creation (www.g-truc.net)
+///////////////////////////////////////////////////////////////////////////////////////////////////
+// Created : 2011-05-31
+// Updated : 2011-05-31
+// Licence : This source is under MIT licence
+// File    : test/gtx/random.cpp
+///////////////////////////////////////////////////////////////////////////////////////////////////
+
+#include <glm/glm.hpp>
+#include <glm/gtx/random.hpp>
+#include <glm/gtx/epsilon.hpp>
+#include <iostream>
+
+int test_signedRand1()
+{
+	int Error = 0;
+
+	{
+		float ResultFloat = 0.0f;
+		double ResultDouble = 0.0f;
+		for(std::size_t i = 0; i < 100000; ++i)
+		{
+			ResultFloat += glm::signedRand1<float>();
+			ResultDouble += glm::signedRand1<double>();
+		}
+
+		Error += glm::equalEpsilon(ResultFloat, 0.0f, 0.0001f);
+		Error += glm::equalEpsilon(ResultDouble, 0.0, 0.0001);
+	}
+
+	return Error;
+}
+
+int main()
+{
+	int Error = 0;
+
+	Error += test_signedRand1();
+
+	return Error;
+}