LAPACK  3.7.0
LAPACK: Linear Algebra PACKage
void cblas_dsyrk ( CBLAS_LAYOUT  layout,
CBLAS_UPLO  Uplo,
CBLAS_TRANSPOSE  Trans,
const int  N,
const int  K,
const double  alpha,
const double *  A,
const int  lda,
const double  beta,
double *  C,
const int  ldc 
)