From aa62701262719ff850f0936c5b03689988aef254 Mon Sep 17 00:00:00 2001
From: Lukas Cejka <lukas.ostatek@gmail.com>
Date: Tue, 5 Mar 2019 16:54:24 +0100
Subject: [PATCH] Improved implementation of
getNumberOfNonzeroMatrixElements().
---
src/TNL/Matrices/Matrix_impl.h | 11 +++++------
1 file changed, 5 insertions(+), 6 deletions(-)
diff --git a/src/TNL/Matrices/Matrix_impl.h b/src/TNL/Matrices/Matrix_impl.h
index 0e73e6a9a8..3371ee4ec4 100644
--- a/src/TNL/Matrices/Matrix_impl.h
+++ b/src/TNL/Matrices/Matrix_impl.h
@@ -75,13 +75,12 @@ template< typename Real,
typename Index >
Index Matrix< Real, Device, Index >::getNumberOfNonzeroMatrixElements() const
{
- IndexType elements( 0 );
- for( IndexType row = 0; row < this->getRows(); row++ )
- for( IndexType column = 0; column < this->getColumns(); column++ )
- if( this->getElement( row, column ) != 0 )
- elements++;
+ IndexType nonZeroElements( 0 );
+ for( IndexType i = 0; this->values.getSize(); i++ )
+ if( this->values.getElement( i ) != 0.0 )
+ nonZeroElements++;
- return elements;
+ return nonZeroElements;
}
template< typename Real,
--
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