ba237a9d91
Files correlati : Ricompilazione Demo : [ ] Commento : Aggiunti i sorgenti per Greenleaf Math Library (gfm.dll) git-svn-id: svn://10.65.10.50/trunk@10079 c028cbd2-c16b-5b4b-a496-9718f37d4682
68 lines
1.3 KiB
C
Executable File
68 lines
1.3 KiB
C
Executable File
/* int _DivTrnDec80Bit(pDst,pSrc1,pSrc2,wID);
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*
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* ARGUMENT
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* DEC *pDst;
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* DEC *pSrc1,pSrc2;
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* int wID;
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*
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* DESCRIPTION
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* Divides pDst = pSrc1 / pSrc2, truncating result to wId decimal places.
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*
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* SIDE EFFECTS
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* None.
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*
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* RETURNS
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* Returns GM_SUCCESS if successful, otherwise the error code.
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* wGMError is not changed.
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*
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* AUTHOR
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* Jared Levy 05-JAN-1987 17:30
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* Copyright (C) 1987-1990 Greenleaf Software Inc. All rights reserved.
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*
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* MODIFICATIONS
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*
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*/
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#include <stdio.h>
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#include "gm.h"
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#include "gmsystem.h"
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int _DivTrnDec80Bit(pDst,pSrc1,pSrc2,wID)
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DEC *pDst;
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DEC *pSrc1,*pSrc2;
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int wID;
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{
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int i;
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unsigned SHORT s1[14], s2[12]; /* need extra memory */
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/* check that pSrc2 is nonzero */
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if (_MacIsDecZ(pSrc2))
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return(GM_DIV0);
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/* check whether scr1 is zero */
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if (_MacIsDecZ(pSrc1)) {
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_MacDZero(pDst);
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pDst->dc.id = wID;
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return(GM_SUCCESS);
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}
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for(i=0;i<5;i++) {
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s1[i]=pSrc1->dc.sl[i];
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s2[i]=pSrc2->dc.sl[i];
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}
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s2[5]=0;
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if(_DivProcTrn(pDst,s1,s2,pSrc1->dc.id,pSrc2->dc.id,
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wID) != GM_SUCCESS)
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return(GM_OVERFLOW);
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/* if quotient is zero, an underflow has occured */
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if (_MacIsDecZ(pDst))
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return(GM_UNDERFLOW);
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/* if the signs of the sources are different, pDst=-pDst */
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pDst->dc.attr = (pSrc1->dc.attr^pSrc2->dc.attr);
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return(GM_SUCCESS);
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}
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