Add Root Function and Product Function

MathKit/MPRootFunction.m

@@ -0,0 +1,39 @@
+//
+//  MPRootFunction.m
+//  MathPad
+//
+//  Created by Kim Wittenburg on 11.01.15.
+//  Copyright (c) 2015 Kim Wittenburg. All rights reserved.
+//
+
+#import "MPRootFunction.h"
+
+#import "MPRootTerm.h"
+#import "MPExpression.h"
+
+
+
+@implementation MPRootFunction
+
+MPFunctionAccessorImplementation(ExponentExpression, _exponentExpression)
+MPFunctionAccessorImplementation(RootExpression, _rootExpression)
+
+
+- (NSArray *)childrenAccessors
+{
+    return @[@"exponentExpression", @"rootExpression"];
+}
+
+
+- (Class)functionTermClass
+{
+    return [MPRootTerm class];
+}
+
+
+- (NSString *)description
+{
+    return [NSString stringWithFormat:@"Root(%@, %@)", self.exponentExpression, self.rootExpression];
+}
+
+@end