cblas_dsymv_64()

void cblas_dsymv_64	(	CBLAS_LAYOUT	layout,
		CBLAS_UPLO	Uplo,
		const int64_t	N,
		const double	alpha,
		const double *	A,
		const int64_t	lda,
		const double *	X,
		const int64_t	incX,
		const double	beta,
		double *	Y,
		const int64_t	incY )