From 88894045afa526ddce3274586a42b851bb29c417 Mon Sep 17 00:00:00 2001
From: Christophe Riccio <mail@g-truc.net>
Date: Wed, 19 Nov 2014 00:40:45 +0100
Subject: [PATCH] Added integer log2 test

---
 glm/gtc/integer.hpp      |  1 +
 test/gtc/gtc_integer.cpp | 22 ++++++++++++++++++++++
 2 files changed, 23 insertions(+)

diff --git a/glm/gtc/integer.hpp b/glm/gtc/integer.hpp
index 2c2f3cf1..2196d6db 100644
--- a/glm/gtc/integer.hpp
+++ b/glm/gtc/integer.hpp
@@ -55,6 +55,7 @@ namespace glm
 	/// @{
 
 
+
 	/// @}
 } //namespace glm
 
diff --git a/test/gtc/gtc_integer.cpp b/test/gtc/gtc_integer.cpp
index 8fff20ba..fc89504f 100644
--- a/test/gtc/gtc_integer.cpp
+++ b/test/gtc/gtc_integer.cpp
@@ -9,7 +9,11 @@
 
 #include <glm/gtc/integer.hpp>
 #include <glm/gtc/type_precision.hpp>
+#include <glm/gtc/vec1.hpp>
 #include <glm/vector_relational.hpp>
+#include <glm/vec2.hpp>
+#include <glm/vec3.hpp>
+#include <glm/vec4.hpp>
 #include <ctime>
 #include <cstdio>
 #include <vector>
@@ -20,6 +24,24 @@ namespace log2_
 	{
 		int Error = 0;
 
+		int A0(glm::log2(10.f));
+		glm::ivec1 B0(glm::log2(glm::vec1(10.f)));
+		glm::ivec2 C0(glm::log2(glm::vec2(10.f)));
+		glm::ivec3 D0(glm::log2(glm::vec3(10.f)));
+		glm::ivec4 E0(glm::log2(glm::vec4(10.f)));
+
+		int A1 = glm::log2(int(10.f));
+		glm::ivec1 B1 = glm::log2(glm::ivec1(10.f));
+		glm::ivec2 C1 = glm::log2(glm::ivec2(10.f));
+		glm::ivec3 D1 = glm::log2(glm::ivec3(10.f));
+		glm::ivec4 E1 = glm::log2(glm::ivec4(10.f));
+
+		Error += A0 == A1 ? 0 : 1;
+		Error += glm::all(glm::equal(B0, B1)) ? 0 : 1;
+		Error += glm::all(glm::equal(C0, C1)) ? 0 : 1;
+		Error += glm::all(glm::equal(D0, D1)) ? 0 : 1;
+		Error += glm::all(glm::equal(E0, E1)) ? 0 : 1;
+
 		return Error;
 	}