Function blas::c::dsyr2k

pub fn dsyr2k(layout: Layout,
              uplo: Part,
              trans: Transpose,
              n: i32,
              k: i32,
              alpha: f64,
              a: &[f64],
              lda: i32,
              b: &[f64],
              ldb: i32,
              beta: f64,
              c: &mut [f64],
              ldc: i32)