diff --git a/glm/gtx/random.inl b/glm/gtx/random.inl
index f325d61d..77edea44 100644
--- a/glm/gtx/random.inl
+++ b/glm/gtx/random.inl
@@ -17,7 +17,7 @@ namespace random
     template <>
 	GLM_FUNC_QUALIFIER float signedRand1()
 	{
-		#if(GLM_COMPILER & GLM_COMPILER_VC)
+		#if(GLM_COMPILER & GLM_COMPILER_VC)// && (GLM_COMPILER < GLM_COMPILER_VC2010)
 		#define RAND_SHIFT_NUM 5
 		#else
 		#define RAND_SHIFT_NUM 0
diff --git a/test/gtx/CMakeLists.txt b/test/gtx/CMakeLists.txt
index 48258987..38387f78 100644
--- a/test/gtx/CMakeLists.txt
+++ b/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)
diff --git a/test/gtx/gtx_noise.cpp b/test/gtx/gtx_noise.cpp
index 624ca022..8acaaaf4 100644
--- a/test/gtx/gtx_noise.cpp
+++ b/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;
 }
diff --git a/test/gtx/gtx_random.cpp b/test/gtx/gtx_random.cpp
new file mode 100644
index 00000000..00ef2614
--- /dev/null
+++ b/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;
+}