src/HOL/SPARK/Manual/document/loop_invariant.ads
author wenzelm
Mon, 13 Apr 2020 22:08:14 +0200
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package Loop_Invariant
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is
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   type Word32 is mod 2 ** 32;
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   procedure Proc1 (A : in Natural; B : in Word32; C : out Word32);
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   --# derives C from A, B;
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   --# post Word32 (A) * B = C;
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   procedure Proc2 (A : in Natural; B : in Word32; C : out Word32);
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   --# derives C from A, B;
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   --# post Word32 (A) * B = C;
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end Loop_Invariant;