for( unsigned int threadID = 0; threadID<this->m_NumberOfThreads; threadID++ ) {
memset( m_ThreaderDerivativeF[threadID].data_block(),
0,
for( unsigned int threadID = 0; threadID<this->m_NumberOfThreads; threadID++ ) {
memset( m_ThreaderDerivativeF[threadID].data_block(),
0,