fn_trace.hpp File Reference

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Functions
template<typename T1 >
arma_warn_unused T1::elem_type	trace (const Base< typename T1::elem_type, T1 > &X)
	Immediate trace (sum of diagonal elements) of a square dense matrix.
template<typename T1 >
arma_warn_unused T1::elem_type	trace (const Op< T1, op_diagmat > &X)
template<typename T1 , typename T2 >
arma_warn_unused T1::elem_type	trace (const Glue< T1, T2, glue_times > &X)
	speedup for trace(A*B), where the result of A*B is a square sized matrix