From 109d1d21fdc425213e54993a75123afb6549ba4d Mon Sep 17 00:00:00 2001
From: Pharap <2933055+Pharap@users.noreply.github.com>
Date: Fri, 26 Mar 2021 12:43:15 +0000
Subject: [PATCH] Add postincrement and postdecrement operators (#86)

---
 src/FixedPoints/SFixedFreeFunctions.h | 20 ++++++++++++++++++++
 src/FixedPoints/UFixedFreeFunctions.h | 20 ++++++++++++++++++++
 2 files changed, 40 insertions(+)

diff --git a/src/FixedPoints/SFixedFreeFunctions.h b/src/FixedPoints/SFixedFreeFunctions.h
index fcf8d71..1fc3fe2 100644
--- a/src/FixedPoints/SFixedFreeFunctions.h
+++ b/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
 //
diff --git a/src/FixedPoints/UFixedFreeFunctions.h b/src/FixedPoints/UFixedFreeFunctions.h
index a424bec..0bfca01 100644
--- a/src/FixedPoints/UFixedFreeFunctions.h
+++ b/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
 //