Function blas::fortran::cgbmv

pub fn cgbmv(trans: u8,
             m: i32,
             n: i32,
             kl: i32,
             ku: i32,
             alpha: c32,
             a: &[c32],
             lda: i32,
             x: &[c32],
             incx: i32,
             beta: c32,
             y: &mut [c32],
             incy: i32)