Add postincrement and postdecrement operators (#86)

src/FixedPoints/SFixedFreeFunctions.h

@@ -28,6 +28,26 @@ constexpr SFixed<Integer * 2, Fraction * 2> multiply(const SFixed<Integer, Fract
 	return ResultType::fromInternal(static_cast<InternalType>(static_cast<InternalType>(left.getInternal()) * static_cast<InternalType>(right.getInternal())));
 }
 
+//
+// Postincrement and Postdecrement
+//
+
+template< unsigned Integer, unsigned Fraction >
+SFixed<Integer, Fraction> operator ++(SFixed<Integer, Fraction> & value, int)
+{
+	const auto oldValue = value;
+	++value;
+	return oldValue;
+}
+
+template< unsigned Integer, unsigned Fraction >
+SFixed<Integer, Fraction> operator --(SFixed<Integer, Fraction> & value, int)
+{
+	const auto oldValue = value;
+	--value;
+	return oldValue;
+}
+
 //
 // Basic Logic Operations
 //

src/FixedPoints/UFixedFreeFunctions.h

@@ -28,6 +28,26 @@ constexpr UFixed<Integer * 2, Fraction * 2> multiply(const UFixed<Integer, Fract
 	return ResultType::fromInternal(static_cast<InternalType>(static_cast<InternalType>(left.getInternal()) * static_cast<InternalType>(right.getInternal())));
 }
 
+//
+// Postincrement and Postdecrement
+//
+
+template< unsigned Integer, unsigned Fraction >
+UFixed<Integer, Fraction> operator ++(UFixed<Integer, Fraction> & value, int)
+{
+	const auto oldValue = value;
+	++value;
+	return oldValue;
+}
+
+template< unsigned Integer, unsigned Fraction >
+UFixed<Integer, Fraction> operator --(UFixed<Integer, Fraction> & value, int)
+{
+	const auto oldValue = value;
+	--value;
+	return oldValue;
+}
+
 //
 // Basic Logic Operations
 //