Function blas::c::cher2k

pub fn cher2k(layout: Layout,
              uplo: Part,
              trans: Transpose,
              n: i32,
              k: i32,
              alpha: &[c32],
              a: &[c32],
              lda: i32,
              b: &[c32],
              ldb: i32,
              beta: f32,
              c: &mut [c32],
              ldc: i32)