32 lines
		
	
	
		
			619 B
		
	
	
	
		
			Plaintext
		
	
	
	
	
	
		
		
			
		
	
	
			32 lines
		
	
	
		
			619 B
		
	
	
	
		
			Plaintext
		
	
	
	
	
	
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								:- protocol(symdiffp).
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
									:- info([
							 | 
						||
| 
								 | 
							
										authors is 'Paulo Moura',
							 | 
						||
| 
								 | 
							
										version is 1.0,
							 | 
						||
| 
								 | 
							
										date is 1999/12/29,
							 | 
						||
| 
								 | 
							
										comment is 'Symbolic differentiation and simplification protocol.',
							 | 
						||
| 
								 | 
							
										source is 'Example based on the Clocksin and Mellish Prolog book.']).
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
									:- public(diff/1).
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
									:- mode(diff(-expression), one).
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
									:- info(diff/1, [
							 | 
						||
| 
								 | 
							
										comment is 'Returns the symbolic differentiation of self.',
							 | 
						||
| 
								 | 
							
										argnames is ['Expression']]).
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
									:- public(simplify/1).
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
									:- mode(simplify(-expression), one).
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
									:- info(simplify/1, [
							 | 
						||
| 
								 | 
							
										comment is 'Returns the symbolic simplification of self.',
							 | 
						||
| 
								 | 
							
										argnames is ['Expression']]).
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								:- end_protocol.
							 |