void '''cblas_sgemv''' (''const enum CBLAS_ORDER '''order''', const enum CBLAS_TRANSPOSE '''TransA''', const int '''M''', const int '''N''', const float '''alpha''', const float * '''A''', const int '''lda''', const float * '''x''', const int '''incx''', const float '''beta''', float * '''y''', const int '''incy''''')<ref>http://www.gnu.org/software/gsl/manual/html_node/Level-2-CBLAS-Functions.html</ref>