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// Copyright 2015 The Bazel Authors. All rights reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#import "CalculatedValues.h"
#import "Equation.h"
@implementation CalculatedValues {
NSMutableArray *_values;
}
+ (CalculatedValues *)sharedInstance {
static CalculatedValues *values = nil;
if (!values) {
values = [[[self class] alloc] init];
}
return values;
}
- (id)init {
self = [super init];
if (self) {
_values = [NSMutableArray array];
}
return self;
}
- (NSArray *)values {
return [_values copy];
}
- (void)addEquation:(Equation *)equation {
[_values addObject:
[NSString stringWithFormat:@"%@ = %0.2lf", equation, [equation calculate]]];
}
@end
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