sum of all matrix elements

2025-01-31 16:51:49 +01:00
parent 0c998b0b52
commit ecdd2fefa5
2 changed files with 56 additions and 0 deletions
--- a/mat.h
+++ b/mat.h
@@ -257,6 +257,8 @@ public:
 	const NRVec<T> rsum() const;
 	//! sum numbers in the columns (sum over row index)
 	const NRVec<T> csum() const;
+	//! sum all matrix elements
+        const T sum() const;

 	//! orthonormalize this matrix
 	void orthonormalize(const bool rowcol, const NRSMat<T> *metric = NULL);