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
		
			
				
	
	
		
			70 lines
		
	
	
		
			1.0 KiB
		
	
	
	
		
			C
		
	
	
		
			Executable File
		
	
	
	
	
			
		
		
	
	
			70 lines
		
	
	
		
			1.0 KiB
		
	
	
	
		
			C
		
	
	
		
			Executable File
		
	
	
	
	
| /* long	DecimalMantissa(pSrc);
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|  *
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|  * ARGUMENT
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|  *	DEC	*pSrc;
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|  *
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|  * DESCRIPTION
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|  *	Finds the mantissa of pSrc.
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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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|  *	The mantissa, or an error code
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|  *
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|  * POSSIBLE ERROR CODES
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|  *
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|  *	GM_NULLPOINTER
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|  *	GM_OVERFLOW
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|  *
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|  * AUTHOR
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|  *  Jared Levy
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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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|  */
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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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| 
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| long	DecimalMantissa(pSrc)
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| DEC	*pSrc;
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| {
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| 	long	l;
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| 
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| 	_MacStart(GM_DMANT);
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| 
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| 	if (!pSrc)  {
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| 		_MacErr(GM_NULLPOINTER);
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| 		_MacRet((long) GM_NULLPOINTER);
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| 	}
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| 	if (_MacBad(pSrc))  {
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| 		_MacErr(GM_INIT);
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| 		_MacRet((long) GM_INIT);
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| 	}
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| 
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| 	if (pSrc->ls.lsl[1] || pSrc->ls.lmsd)  {
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| 		_MacErr(GM_OVERFLOW);
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| 		l = (long) GM_OVERFLOW;
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| 		_MacRet(l);
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| 	}
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| 
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| 	if (pSrc->ls.lsl[0]&0x80000000L)  {
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| 		if ((pSrc->ls.lsl[0]!=0x80000000L) || !_MacIsDecN(pSrc))  {
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| 			_MacErr(GM_OVERFLOW);
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| 			_MacRet((long) GM_OVERFLOW);
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| 		}
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| 		else
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| 			_MacRet((long) 0x80000000L);
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| 	}
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| 
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| 	l = pSrc->ls.lsl[0];
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| 	if (_MacIsDecN(pSrc))
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| 		{_MacRet(-l);}
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| 	else
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| 		{_MacRet(l);}
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| }
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