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comparison dwt/internal/cocoa/NSDecimal.d @ 0:380af2bdd8e5

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author Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
date Sat, 09 Aug 2008 17:00:02 +0200
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1 /*******************************************************************************
2 * Copyright (c) 2007 IBM Corporation and others.
3 * All rights reserved. This program and the accompanying materials
4 * are made available under the terms of the Eclipse Public License v1.0
5 * which accompanies this distribution, and is available at
6 * http://www.eclipse.org/legal/epl-v10.html
7 *
8 * Contributors:
9 * IBM Corporation - initial API and implementation
10 *
11 * Port to the D Programming language:
12 * Jacob Carlborg <jacob.carlborg@gmail.com>
13 *******************************************************************************/
14 module dwt.internal.cocoa.NSDecimal;
15
16 //import dwt.internal.cocoa.OS;
17 import dwt.internal.cocoa.NSInteger;
18
19 struct NSDecimal
20 {
21 uint _exponent;
22 uint _length;
23 uint _isNegative;
24 uint _isCompact;
25 uint _reserved;
26 /*ushort[OS.NSDecimalMaxSize]*/ushort* _mantissa;
27 }
28
29 enum NSCalculationError : NSUInteger
30 {
31 NSCalculationNoError = 0,
32 NSCalculationLossOfPrecision, // Result lost precision
33 NSCalculationUnderflow, // Result became 0
34 NSCalculationOverflow, // Result exceeds possible representation
35 NSCalculationDivideByZero
36 }
37
38 alias NSCalculationError.NSCalculationNoError NSCalculationNoError;
39 alias NSCalculationError.NSCalculationLossOfPrecision NSCalculationLossOfPrecision;
40 alias NSCalculationError.NSCalculationUnderflow NSCalculationUnderflow;
41 alias NSCalculationError.NSCalculationOverflow NSCalculationOverflow;
42 alias NSCalculationError.NSCalculationDivideByZero NSCalculationDivideByZero;
43
44 enum NSRoundingMode : NSUInteger
45 {
46 NSRoundPlain, // Round up on a tie
47 NSRoundDown, // Always down == truncate
48 NSRoundUp, // Always up
49 NSRoundBankers // on a tie round so last digit is even
50 }
51
52 alias NSRoundingMode.NSRoundPlain NSRoundPlain;
53 alias NSRoundingMode.NSRoundDown NSRoundDown;
54 alias NSRoundingMode.NSRoundUp NSRoundUp;
55 alias NSRoundingMode.NSRoundBankers NSRoundBankers;