Function blas::c::sgemm

pub fn sgemm(layout: Layout,
             transa: Transpose,
             transb: Transpose,
             m: i32,
             n: i32,
             k: i32,
             alpha: f32,
             a: &[f32],
             lda: i32,
             b: &[f32],
             ldb: i32,
             beta: f32,
             c: &mut [f32],
             ldc: i32)