32 lines
818 B
Objective-C
32 lines
818 B
Objective-C
//
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// MPFractionTerm.m
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// MathPad
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//
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// Created by Kim Wittenburg on 15.11.14.
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// Copyright (c) 2014 Kim Wittenburg. All rights reserved.
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//
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#import "MPFractionTerm.h"
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#import "MPParsedExpression.h"
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@implementation MPFractionTerm
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- (NSDecimalNumber *)doEvaluation:(NSError *__autoreleasing *)error
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{
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MPEvaluateExpression(nominator, 0);
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MPEvaluateExpression(denominator, 1);
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if ([denominator isEqualToNumber:@0]) {
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if (error) {
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*error = [NSError errorWithDomain:MPMathKitErrorDomain
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code:100
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userInfo:@{NSLocalizedDescriptionKey: NSLocalizedString(@"Division by zero.", nil)}];
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}
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return nil;
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} else {
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return [nominator decimalNumberByDividingBy:denominator];
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}
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}
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@end
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