diff --git a/glm/gtx/ulp.inl b/glm/gtx/ulp.inl
index b223e543..0e1346e9 100644
--- a/glm/gtx/ulp.inl
+++ b/glm/gtx/ulp.inl
@@ -8,6 +8,7 @@
 ///////////////////////////////////////////////////////////////////////////////////////////////////
 
 #include <cmath>
+#include <iostream>
 
 namespace glm{
 namespace gtx{
@@ -36,7 +37,10 @@ namespace ulp
 		std::size_t Count = 0;
 		float Temp = a;
 		while((Temp = nextafterf(Temp, b)) != b)
+        {
+            std::cout << Temp << " " << b << std::endl;
 			++Count;
+        }
 		return Count;
 	}
 
@@ -49,7 +53,10 @@ namespace ulp
 		std::size_t Count = 0;
 		double Temp = a;
 		while((Temp = nextafter(Temp, b)) != b)
+        {
+            std::cout << Temp << " " << b << std::endl;
 			++Count;
+        }
 		return Count;
 	}
 
diff --git a/test/gtx/gtx-ulp.cpp b/test/gtx/gtx-ulp.cpp
index 753f5729..5c8ed883 100644
--- a/test/gtx/gtx-ulp.cpp
+++ b/test/gtx/gtx-ulp.cpp
@@ -13,6 +13,9 @@
 
 int test_ulp_float()
 {
+    double Temp = nextafter(0.02, 0.01);
+    std::cout << Temp << " 0.01, 0.02" << std::endl;
+    
 	std::size_t A = glm::ulp(0.01, 0.02);
 	std::size_t B = glm::ulp(glm::vec2(0.01), glm::vec2(0.02));
 	std::size_t C = glm::ulp(glm::vec3(0.01), glm::vec3(0.02));
@@ -26,6 +29,7 @@ int test_ulp_float()
 
 int main()
 {
+    std::cout << "Test 76" << std::endl;
 	test_ulp_float();
 }