From 06872c77274a54f99adfbf5e5773a7b038f6213e Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Vladim=C3=ADr=20Vondru=C5=A1?= <mosra@centrum.cz>
Date: Mon, 6 Aug 2012 17:26:38 +0200
Subject: [PATCH] Added Vector::min() and Vector::max().

---
 src/Math/Test/VectorTest.cpp | 10 ++++++++++
 src/Math/Test/VectorTest.h   |  2 ++
 src/Math/Vector.h            | 20 ++++++++++++++++++++
 3 files changed, 32 insertions(+)

diff --git a/src/Math/Test/VectorTest.cpp b/src/Math/Test/VectorTest.cpp
index 109f50ca9..327c2cb49 100644
--- a/src/Math/Test/VectorTest.cpp
+++ b/src/Math/Test/VectorTest.cpp
@@ -42,6 +42,8 @@ VectorTest::VectorTest() {
              &VectorTest::normalized,
              &VectorTest::sum,
              &VectorTest::product,
+             &VectorTest::min,
+             &VectorTest::max,
              &VectorTest::angle,
              &VectorTest::negative,
              &VectorTest::debug);
@@ -130,6 +132,14 @@ void VectorTest::product() {
     CORRADE_COMPARE(Vector3(1.0f, 2.0f, 3.0f).product(), 6.0f);
 }
 
+void VectorTest::min() {
+    CORRADE_COMPARE(Vector3(1.0f, -2.0f, 3.0f).min(), -2.0f);
+}
+
+void VectorTest::max() {
+    CORRADE_COMPARE(Vector3(1.0f, -2.0f, 3.0f).max(), 3.0f);
+}
+
 void VectorTest::angle() {
     ostringstream o;
     Error::setOutput(&o);
diff --git a/src/Math/Test/VectorTest.h b/src/Math/Test/VectorTest.h
index e00481d59..662865119 100644
--- a/src/Math/Test/VectorTest.h
+++ b/src/Math/Test/VectorTest.h
@@ -34,6 +34,8 @@ class VectorTest: public Corrade::TestSuite::Tester<VectorTest> {
         void normalized();
         void sum();
         void product();
+        void min();
+        void max();
         void angle();
         void negative();
 
diff --git a/src/Math/Vector.h b/src/Math/Vector.h
index 622ee3e00..96b0fe502 100644
--- a/src/Math/Vector.h
+++ b/src/Math/Vector.h
@@ -294,6 +294,26 @@ template<size_t size, class T> class Vector {
             return out;
         }
 
+        /** @brief Minimal value in the vector */
+        T min() const {
+            T out((*this)[0]);
+
+            for(size_t i = 1; i != size; ++i)
+                out = std::min(out, (*this)[i]);
+
+            return out;
+        }
+
+        /** @brief Maximal value in the vector */
+        T max() const {
+            T out((*this)[0]);
+
+            for(size_t i = 1; i != size; ++i)
+                out = std::max(out, (*this)[i]);
+
+            return out;
+        }
+
     private:
         T _data[size];
 };