Add Fortran interfaces in MOs

org/qmckl_mo.org

@@ -256,6 +256,35 @@ bool qmckl_mo_basis_provided(const qmckl_context context) {
 
    #+end_src
 
+   
+*** Fortran interfaces
+
+    #+begin_src f90 :tangle (eval fh_func) :comments org                         
+interface
+  integer(c_int32_t) function qmckl_get_mo_basis_mo_num (context, &
+       mo_num) bind(C)
+    use, intrinsic :: iso_c_binding
+    import
+    implicit none
+    integer (c_int64_t) , intent(in)  , value :: context
+    integer (c_int64_t) , intent(out)         :: mo_num
+  end function qmckl_get_mo_basis_mo_num
+end interface
+
+interface
+  integer(c_int32_t) function qmckl_get_mo_basis_coefficient(context, &
+       coefficient, size_max) bind(C)
+    use, intrinsic :: iso_c_binding
+    import
+    implicit none
+    integer (c_int64_t) , intent(in)  , value :: context
+    double precision, intent(out)             :: coefficient(*)
+    integer (c_int64_t) , intent(int), value  :: size_max
+  end function qmckl_get_mo_basis_coefficient
+end interface
+
+    #+end_src
+
 ** Initialization functions
 
    To set the basis set, all the following functions need to be