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/************* history ************
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*
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* COMPONENT: JRD MODULE: QUAD.H
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* generated by Marion V2.5 2/6/90
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* from dev db on 6-DEC-1993
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*****************************************************************
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*
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* 0 katz 6-DEC-1993
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* history begins
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*
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* The contents of this file are subject to the Interbase Public
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* License Version 1.0 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy
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* of the License at http://www.Inprise.com/IPL.html
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*
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* Software distributed under the License is distributed on an
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* "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, either express
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* or implied. See the License for the specific language governing
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* rights and limitations under the License.
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*
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* The Original Code was created by Inprise Corporation
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* and its predecessors. Portions created by Inprise Corporation are
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* Copyright (C) Inprise Corporation.
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*
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* All Rights Reserved.
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* Contributor(s): ______________________________________.
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*/
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/*
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* PROGRAM: JRD Access Method
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* MODULE: quad.h
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* DESCRIPTION: Macros to support quad arithmetic
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*
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* copyright (c) 1993 by Borland International
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*/
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#ifndef JRD_QUAD_H
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#define JRD_QUAD_H
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#ifndef WORDS_BIGENDIAN
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const int LOW_WORD = 0;
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const int HIGH_WORD = 1;
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#else
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const int LOW_WORD = 1;
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const int HIGH_WORD = 0;
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#endif
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#ifdef NATIVE_QUAD
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#define QUAD_ADD(a, b, e) ((a) + (b))
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#define QUAD_COMPARE(a, b) ((a == b) ? 0 : (a < b) ? -1 : 1)
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#define QUAD_FROM_DOUBLE(a, e) a
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#define QUAD_MULTIPLY(a, b, e) ((a) * (b))
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#define QUAD_NEGATE(a, e) (-(a))
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#define QUAD_SUBTRACT(a,b,e) ((a) - (b))
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#else
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#define QUAD_ADD(a, b, e) QUAD_add (&(a), &(b), e)
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#define QUAD_COMPARE(a, b) QUAD_compare (&(a), &(b))
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#define QUAD_FROM_DOUBLE(a, e) QUAD_from_double (&(a), e)
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#define QUAD_MULTIPLY(a, b, e) QUAD_multiply (&(a), &(b), e)
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#define QUAD_NEGATE(a, e) QUAD_negate (&(a), e)
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#define QUAD_SUBTRACT(a, b, e) QUAD_subtract (&(a), &(b), e)
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#include "../jrd/quad_proto.h"
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#endif
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#endif /* JRD_QUAD_H */
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