[numeric] Directly use Eigen::norm to compute the Frobenius norm of a…

… matrix
ghalmets · Jul 6, 2017 · 0d53fea · 0d53fea
1 parent de89087
commit 0d53fea
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/openMVG/numeric/numeric.h b/src/openMVG/numeric/numeric.h
@@ -280,7 +280,7 @@ VStack ( const Eigen::MatrixBase<Derived1>& lhs, const Eigen::MatrixBase<Derived
 template<typename TMat>
 inline double FrobeniusNorm( const TMat &A )
 {
-  return sqrt( A.array().abs2().sum() );
+  return A.norm();
 }
 
 /**