Update README.md

README.md

@@ -1,14 +1,15 @@
 # linalg
 linalg :Fortran lapack interface 
 
-- type:`complex(8)` , `real(8)`,` complex(8)` , `real(4)`
+- type:`complex(8)` , `real(8)`,` complex(4)` , `real(4)`
 
 | name | Class | Description |
 | :-: | :-: |:-: |
 | `inv` | `function` | inverse of Matrix,return **.true.** if not singular |
 | `det` | `function` | Determinant of Matrix |
 | `eigh` | `subroutine` | eigenvalues and eigenvectors for Symmetry/Hermitian Matrix |
 | `gemm` | `subroutine` | gemm |
+| `gemv` | `subroutine` | gemv |
 | `eye` | `subroutine` | eye |
 | `print` | `subroutine` | print matrix |
 | `geut` | `subroutine` | $U^{\dagger}AU$ or $UAU^{\dagger}$ |