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
60 lines
970 B
C
Executable File
60 lines
970 B
C
Executable File
/* unsigned ConvDecimalToUns(x)
|
|
*
|
|
* ARGUMENT
|
|
* DEC *x;
|
|
*
|
|
* DESCRIPTION
|
|
* Converts a DEC to an unsigned (integer).
|
|
*
|
|
* SIDE EFFECTS
|
|
* None.
|
|
*
|
|
* RETURNS
|
|
* The integer if the conversion is successful, and the error code
|
|
* otherwise.
|
|
*
|
|
* AUTHOR
|
|
* Jared Levy Feb. 9, 1987
|
|
* Copyright (C) 1987-1990 Greenleaf Software Inc. All rights reserved.
|
|
*
|
|
* POSSIBLE ERROR CODES
|
|
*
|
|
* GM_NULLPOINTER
|
|
* GM_CNVRE
|
|
* GM_CNVRW
|
|
*
|
|
* MODIFICATIONS
|
|
*
|
|
*/
|
|
|
|
#include <stdio.h>
|
|
#include "gm.h"
|
|
#include "gmsystem.h"
|
|
|
|
unsigned ConvDecimalToUns(x)
|
|
DEC *x;
|
|
{
|
|
DEC temp;
|
|
DEC *pt;
|
|
unsigned SHORT i;
|
|
|
|
_MacStart(GM_DTOUI);
|
|
_MacInVar(x, 0);
|
|
|
|
pt = &temp;
|
|
(void) _ScaleDec80Bit(pt, x, 0); /* convert to integer */
|
|
|
|
/* 0 <= x <= 65535 */
|
|
if(!(pt->dc.sl[1] | pt->dc.sl[2] | pt->dc.sl[3] | pt->dc.msd)
|
|
&& !_MacIsDecN(pt)) {
|
|
if (CompareDecimal(x,pt)!=0)
|
|
_MacErr(GM_CNVRW);
|
|
i = pt->dc.sl[0];
|
|
_MacRet (i);
|
|
}
|
|
|
|
/* overflow */
|
|
_MacErr(GM_CNVRE);
|
|
_MacRet(0);
|
|
}
|