From e56bf3a0e526613b41095c2c6cbd546a219e812b Mon Sep 17 00:00:00 2001
From: Alexander Chemeris <Alexander.Chemeris@gmail.com>
Date: Fri, 17 Mar 2017 22:34:20 -0700
Subject: [PATCH] signalVector: Implement segment().

Change-Id: I6fe3aae53fb2fa5bb7637e976de6059eabe08202
---
 Transceiver52M/signalVector.cpp | 5 +++++
 Transceiver52M/signalVector.h   | 3 +++
 2 files changed, 8 insertions(+)

diff --git a/Transceiver52M/signalVector.cpp b/Transceiver52M/signalVector.cpp
index 798a3c70..55dad929 100644
--- a/Transceiver52M/signalVector.cpp
+++ b/Transceiver52M/signalVector.cpp
@@ -45,6 +45,11 @@ void signalVector::operator=(const signalVector& vector)
 	mStart = mData + vector.getStart();
 }
 
+signalVector signalVector::segment(size_t start, size_t span)
+{
+	return signalVector(mData, start, span);
+}
+
 size_t signalVector::getStart() const
 {
 	return mStart - mData;
diff --git a/Transceiver52M/signalVector.h b/Transceiver52M/signalVector.h
index 38541fec..83f141e4 100644
--- a/Transceiver52M/signalVector.h
+++ b/Transceiver52M/signalVector.h
@@ -30,6 +30,9 @@ public:
 	/** Override base assignment operator to include start offsets */
 	void operator=(const signalVector& vector);
 
+	/** Return an alias to a segment of this signalVector. */
+	signalVector segment(size_t start, size_t span);
+
 	/** Return head room */
 	size_t getStart() const;
 	size_t updateHistory();