From a95fcd629f3f7de835d53e6bfbceac92732d0279 Mon Sep 17 00:00:00 2001
From: King_DuckZ <king_duckz@gmx.com>
Date: Tue, 13 May 2014 11:45:53 +0200
Subject: [PATCH] Constructors that only throw if the operation they perform
 can throw.

---
 src/vector.hpp | 13 +++++++------
 src/vector.inl | 12 ++++--------
 2 files changed, 11 insertions(+), 14 deletions(-)

diff --git a/src/vector.hpp b/src/vector.hpp
index 696d92a..190b7a6 100644
--- a/src/vector.hpp
+++ b/src/vector.hpp
@@ -23,6 +23,7 @@
 #include <cstdint>
 #include <ciso646>
 #include <type_traits>
+#include <algorithm>
 
 #if !defined(NDEBUG)
 #include <iostream>
@@ -33,12 +34,12 @@ namespace cloonel {
 	class Vector {
 		template <typename U, uint32_t R> friend class Vector;
 	public:
-		Vector ( void ) = default;
-		explicit Vector ( T parValue );
-		template <typename U> explicit Vector ( const Vector<U, S>& parOther );
-		template <typename = std::enable_if<S == 2> > Vector ( T parX, T parY ) : m_mem {parX, parY} {}
-		template <typename = std::enable_if<S == 3> > Vector ( T parX, T parY, T parZ ) : m_mem {parX, parY, parZ} {}
-		template <typename = std::enable_if<S == 4> > Vector ( T parX, T parY, T parZ, T parW ) : m_mem {parX, parY, parZ, parW} {}
+		Vector ( void ) noexcept(noexcept(T())) = default;
+		explicit Vector ( T parValue ) noexcept(noexcept(T()) && noexcept(parValue=parValue));
+		template <typename U> explicit Vector ( const Vector<U, S>& parOther ) noexcept(noexcept(T()) && noexcept(const_cast<U&>(parOther.m_mem[0])=T()));
+		template <typename = std::enable_if<S == 2> > Vector ( T parX, T parY ) noexcept : m_mem {parX, parY} {}
+		template <typename = std::enable_if<S == 3> > Vector ( T parX, T parY, T parZ ) noexcept : m_mem {parX, parY, parZ} {}
+		template <typename = std::enable_if<S == 4> > Vector ( T parX, T parY, T parZ, T parW ) noexcept : m_mem {parX, parY, parZ, parW} {}
 
 		~Vector ( void ) noexcept = default;
 
diff --git a/src/vector.inl b/src/vector.inl
index 2059621..b435379 100644
--- a/src/vector.inl
+++ b/src/vector.inl
@@ -21,20 +21,16 @@ namespace cloonel {
 	///-------------------------------------------------------------------------
 	///-------------------------------------------------------------------------
 	template <typename T, uint32_t S>
-	Vector<T, S>::Vector (T parValue) {
-		for (uint32_t z = 0; z < S; ++z) {
-			m_mem[z] = parValue;
-		}
+	Vector<T, S>::Vector (T parValue) noexcept(noexcept(T()) && noexcept(parValue=parValue)) {
+		std::fill(m_mem, m_mem + S, parValue);
 	}
 
 	///-------------------------------------------------------------------------
 	///-------------------------------------------------------------------------
 	template <typename T, uint32_t S>
 	template <typename U>
-	Vector<T, S>::Vector (const Vector<U, S>& parOther) {
-		for (uint32_t z = 0; z < S; ++z) {
-			m_mem[z] = static_cast<T>(parOther.m_mem[z]);
-		}
+	Vector<T, S>::Vector (const Vector<U, S>& parOther) noexcept(noexcept(T()) && noexcept(const_cast<U&>(parOther.m_mem[0])=T())) {
+		std::copy(parOther.m_mem, parOther.m_mem + S, m_mem);
 	}
 
 #pragma GCC diagnostic push