message: add scalar mul for u/i 8/16
diff: @@ -1904,13 +1904,17 @@ macro_rules! sparse_scalar_mul {
  {
  type Output = CsMatI<$scalar, I, Iptr>;
  - fn mul(self, rhs: $scalar) -> CsMatI<$scalar, I, Iptr> {
  + fn mul(self, rhs: $scalar) -> Self::Output {
  binop::scalar_mul_mat(self, rhs)
  }
  }
  };
  }
  +sparse_scalar_mul!(u8);
  +sparse_scalar_mul!(i8);
  +sparse_scalar_mul!(u16);
  +sparse_scalar_mul!(i16);
  sparse_scalar_mul!(u32);
  sparse_scalar_mul!(i32);
  sparse_scalar_mul!(u64);
  