tiny additions in vec.h and vecmat3.h

2024-01-18 14:31:00 +01:00
parent e75248eb23
commit 764baa3201
2 changed files with 12 additions and 0 deletions
--- a/vec.h
+++ b/vec.h
@@ -363,6 +363,14 @@ public:
 		return sum;
 	};

+	//! compute the sum of squares the vector elements
+        inline const T sumsqr() const {
+                T sum(v[0]);
+                for(register int i=1; i<nn; i++){ sum += v[i]*v[i];}
+                return sum;
+        };
+
+
 	//! compute the product of the vector elements
        inline const T prod() const {
                T prod(v[0]);