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comparison dstep/foundation/NSDecimal.d @ 14:89f3c3ef1fd2

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Added the Foundation framework
author Jacob Carlborg <doob@me.com>
date Mon, 03 Aug 2009 15:23:15 +0200
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13:4f583f7e242e 14:89f3c3ef1fd2
1 /**
2 * Copyright: Copyright (c) 2009 Jacob Carlborg.
3 * Authors: Jacob Carlborg
4 * Version: Initial created: Aug 3, 2009
5 * License: $(LINK2 http://www.boost.org/LICENSE_1_0.txt, Boost Software License 1.0)
6 */
7 module dstep.foundation.NSDecimal;
8
9 import dstep.foundation.NSDictionary;
10 import dstep.foundation.NSObjCRuntime;
11 import dstep.limits;
12 import dstep.objc.bridge.Bridge;
13 import dstep.objc.objc : id;
14
15 alias NSUInteger NSRoundingMode;
16 alias NSUInteger NSCalculationError;
17
18 enum
19 {
20 NSRoundPlain,
21 NSRoundDown,
22 NSRoundUp,
23 NSRoundBankers
24 }
25
26 enum
27 {
28 NSCalculationNoError = 0,
29 NSCalculationLossOfPrecision,
30 NSCalculationUnderflow,
31 NSCalculationOverflow,
32 NSCalculationDivideByZero
33 }
34
35 struct NSDecimal
36 {
37 int _exponent;
38 uint _length;
39 uint _isNegative;
40 uint _isCompact;
41 uint _reserved;
42 unsigned short* _mantissa;
43 }
44
45 NSString NSDecimalString (NSDecimal* dcm, Object locale)
46 {
47 return Bridge.invokeObjcFunction!(NSString, bindings.NSDecimalString, NSDecimal*, Object)(dcm, locale);
48 }
49
50 extern (C)
51 {
52 void NSDecimalCopy (NSDecimal* destination, NSDecimal* source);
53 void NSDecimalCompact (NSDecimal* number);
54 int NSDecimalCompare (NSDecimal* leftOperand, NSDecimal* rightOperand);
55 void NSDecimalRound (NSDecimal* result, NSDecimal* number, NSInteger scale, uint roundingMode);
56 uint NSDecimalNormalize (NSDecimal* number1, NSDecimal* number2, uint roundingMode);
57 uint NSDecimalAdd (NSDecimal* result, NSDecimal* leftOperand, NSDecimal* rightOperand, uint roundingMode);
58 uint NSDecimalSubtract (NSDecimal* result, NSDecimal* leftOperand, NSDecimal* rightOperand, uint roundingMode);
59 uint NSDecimalMultiply (NSDecimal* result, NSDecimal* leftOperand, NSDecimal* rightOperand, uint roundingMode);
60 uint NSDecimalDivide (NSDecimal* result, NSDecimal* leftOperand, NSDecimal* rightOperand, uint roundingMode);
61 uint NSDecimalPower (NSDecimal* result, NSDecimal* number, NSUInteger power, uint roundingMode);
62 uint NSDecimalMultiplyByPowerOf10 (NSDecimal* result, NSDecimal* number, short power, uint roundingMode);
63 }