[OASIS Issue Tracker] Commented: (OFFICE-2258) AMORDEGRC - frenchaccounting system? (also in AMORLINC)

[ http://tools.oasis-open.org/issues/browse/OFFICE-2258?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=21386#action_21386 ] 

Andreas Guelzow  commented on OFFICE-2258:
------------------------------------------

From Gnumeric's code:

gnm_float fCost,         Cost
GDate *nDate,            Purchase Date
GDate *nFirstPer,        End of First Period
gnm_float fRestVal,      Value after Depreciation
gint nPer,               subject period
gnm_float fRate,         depreciation rate
gint nBase               calendar basis



       gint       n;
	gnm_float fAmorCoeff, fNRate, fRest, fUsePer;

        fUsePer = 1.0 / fRate;

        if (fUsePer < 3.0)
                fAmorCoeff = 1.0;
        else if (fUsePer < 5.0)
                fAmorCoeff = 1.5;
        else if (fUsePer <= 6.0)
                fAmorCoeff = 2.0;
        else
                fAmorCoeff = 2.5;

        fRate *= fAmorCoeff;    /* Adjustment of the depreciation rate */
        fNRate = gnm_floor ( yearfrac( nDate, nFirstPer, nBase ) * fRate * fCost + 0.5 );          
                             /* fNRate is depreciation during the partial period during the partial period. */
        fCost -= fNRate;    /* value after the partial period */
        fRest = fCost - fRestVal;   /* total amount left to depreciate*/

        for ( n = 0 ; n < nPer ; n++ ) {
                fNRate = gnm_floor( fRate * fCost + 0.5 );
                fRest -= fNRate;

                if ( fRest < 0.0 ) {
                        switch ( nPer - n ) {
			case 0:
			case 1:
				return (gnm_floor ( fCost * 0.5 + 0.5) );
			default:
				return 0.0;
                        }
                }

                fCost -= fNRate;
        }
	return value_new_float (fNRate);
}


> AMORDEGRC - french accounting system? (also in AMORLINC)
> --------------------------------------------------------
>
>                 Key: OFFICE-2258
>                 URL: http://tools.oasis-open.org/issues/browse/OFFICE-2258
>             Project: OASIS Open Document Format for Office Applications (OpenDocument) TC
>          Issue Type: Bug
>          Components: OpenFormula
>            Reporter: Patrick Durusau
>            Assignee: Robert Weir 
>             Fix For: ODF 1.2 CD 06
>
>
> Now reads: "Calculates the amortization value for the French accounting system using linear depreciation."
> I assume it should read: "Calculates the amortization value for an asset using linear depreciation."
> But that is just a guess on my part. (Same replacement in AMORLINC.)
> I don't know anything about French accounting systems so if someone will confirm my suggested correction I can enter it. 

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