From 08b6b16e575c94ed2082a71e5362154a95308dc9 Mon Sep 17 00:00:00 2001
From: Jiri Pittner <jiri@pittnerovi.com>
Date: Wed, 10 Aug 2022 16:25:17 +0200
Subject: [PATCH] nrvec concatmescaled

---
 vec.h | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/vec.h b/vec.h
index a1b7a8d..c71a0c3 100644
--- a/vec.h
+++ b/vec.h
@@ -256,6 +256,15 @@ public:
 		resize(nn+rhs.nn,true);
 		for(int i=0; i<rhs.nn; ++i) v[nnold+i] = rhs[i];
 		}
+	void concatmescaled(const NRVec &rhs, const T alpha=1)
+		{
+                NOT_GPU(*this);
+                if(rhs.nn==0) return;
+                int nnold=nn;
+                resize(nn+rhs.nn,true);
+                for(int i=0; i<rhs.nn; ++i) v[nnold+i] = rhs[i]*alpha;
+                }
+
 	void append(const T &a) //not efficient if done repeatedly
 		{
 		NOT_GPU(*this);