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From: raycr@yahoo.com (Raymond Rawa)
Newsgroups: comp.lang.ada
Subject: Do subtypes inherit the attributes of the base type?
Date: 28 Aug 2001 13:52:06 -0700
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Date: 2001-08-28T20:52:06+00:00
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I'm migrating my code from VADS Ada83 to GHS Ada95 and I've got a type
that may be giving me trouble.

   type Eng_Oil_Level_Calculation_Type is delta 1.0/2.0**10
      range (System.Min_Int / 2) * 1.0/2.0**10 .. 
            (System.Max_Int / 2) * 1.0/2.0**10;

   for Eng_Oil_Level_Calculation_Type'small use 1.0/2.0**10;

   subtype Eng_Oil_Level_Type is Eng_Oil_Level_Calculation_Type 
      range -1.0..0.9990234375;

The legacy software is assuming that the subtype has the same 'small
value as the base type.  Is this a safe assumption?