71 lines
2.1 KiB
Objective-C
71 lines
2.1 KiB
Objective-C
//
|
|
// MPFunctionValue.h
|
|
// MathPad
|
|
//
|
|
// Created by Kim Wittenburg on 11.10.14.
|
|
// Copyright (c) 2014 Kim Wittenburg. All rights reserved.
|
|
//
|
|
|
|
#import "MPTerm.h"
|
|
|
|
|
|
/*!
|
|
@header
|
|
This file contains the <code>MPElementaryFunction</code> class.
|
|
*/
|
|
|
|
|
|
|
|
@class MPElementaryFunctionTerm;
|
|
|
|
|
|
/*!
|
|
@class MPElementaryFunctionTerm
|
|
@abstract A <code>MPElementaryFunction</code> implements various
|
|
mathematical functions that have a valid text representation.
|
|
*/
|
|
@interface MPElementaryFunctionTerm : MPTerm
|
|
|
|
/*!
|
|
@method initWithFunctionIdentifier:term:
|
|
@abstract Initializes a function term using the specified textual
|
|
representation of the function and a term as its value.
|
|
|
|
@param function
|
|
The textual representation of the function to use. Valid values
|
|
are <code>"sin"</code>, <code>"cos"</code>, <code>"tan"</code>,
|
|
<code>"asin"</code>, <code>"arcsin"</code>, <code>"acos"</code>,
|
|
<code>"arccos"</code>, <code>"atan"</code>,
|
|
<code>"arctan"</code>, <code>"log"</code>, <code>"lg"</code> and
|
|
<code>"ln"</code>.
|
|
|
|
@param term
|
|
The term that should be evaluated using <code>function</code>.
|
|
|
|
@return A new <code>MPElementaryFunctionTerm</code> instance.
|
|
*/
|
|
- (instancetype)initWithFunctionIdentifier:(NSString *)function
|
|
term:(MPTerm *)term; /* designated initializer */
|
|
|
|
|
|
/*!
|
|
@property functionIdentifier
|
|
@abstract The identifier of the receiver.
|
|
|
|
@discussion The identifier of a function is the string of letters it is
|
|
mathematically defined of (e.g. <code>"sin"</code> for the sine
|
|
function).
|
|
*/
|
|
@property (readonly, nonatomic, copy) NSString *functionIdentifier;
|
|
|
|
|
|
/*!
|
|
@property term
|
|
@abstract The receiver's term.
|
|
|
|
@discussion Depending on the actual function the value of the
|
|
<code>term</code> may be converted from radians into degrees.
|
|
*/
|
|
@property (readonly, nonatomic, strong) MPTerm *term;
|
|
|
|
@end |