src/HOL/SPARK/Manual/document/loop_invariant.ads
author paulson <lp15@cam.ac.uk>
Mon, 03 Feb 2014 00:22:48 +0000
changeset 55262 16724746ad89
parent 45044 2fae15f8984d
permissions -rw-r--r--
fixed indentation

package Loop_Invariant
is

   type Word32 is mod 2 ** 32;

   procedure Proc1 (A : in Natural; B : in Word32; C : out Word32);
   --# derives C from A, B;
   --# post Word32 (A) * B = C;

   procedure Proc2 (A : in Natural; B : in Word32; C : out Word32);
   --# derives C from A, B;
   --# post Word32 (A) * B = C;

end Loop_Invariant;