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From: gmckee@cloudnine.com (Gary McKee)
Subject: Re: Looking for calc. package in Ada
Date: 1996/06/27
Message-ID: <ADF8522C96689309@p5.denver2.dialup.csn.net>#1/1
X-Deja-AN: 162434804
references: <4qp7vu$c9f$1@mhafn.production.compuserve.com>
organization: McKee Consulting (Software Assessment)
newsgroups: comp.lang.ada
Date: 1996-06-27T00:00:00+00:00
List-Id: <comp.lang.ada>

In article <4qp7vu$c9f$1@mhafn.production.compuserve.com>,
Strategies SA <100747.2001@CompuServe.COM> wrote:

 > Hello
 > I'm looking for a package looking like :
 > 
 > package CALCULATOR is 
 >    ...
 >    procedure STORE_VARIABLE is (NAME : STRING;
 > 				VALUE : FLOAT);
 > 
 >    function CALCULATE (EXPRESSION : STRING) 
 > 	return FLOAT;
 >    ...
 > end CALCULATOR;
 > 
 > In order to use it the following way 
 >    ...
 >    CALCULATOR.STORE_VARIABLE ("A", 10.0);
 >    ...
 >    RESULT := CALCULATOR.EVALUATE ("10*COS(A)");
 >    ...
 > Does anybody know where I can find (good) inspiration ? 
 > Thank You in advance
 > 
 > Jerome HAGUET
 > Strategies 
 > France

---------------------------------------------------------------
I don't have an Ada package to do this. However, There is a simple dseign
(in C++) if you decide to implement it yourself.

"The C++ Programming Language" by Bjarne Stroustrup (2nd edition) has a
simple interactive calculator in Chapter three that could be a basis for
your Ada package.