21 lines
		
	
	
	
		
			404 B
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			21 lines
		
	
	
	
		
			404 B
		
	
	
	
		
			C
		
	
	
	
	
	
/*
 | 
						|
 * (c) copyright 1988 by the Vrije Universiteit, Amsterdam, The Netherlands.
 | 
						|
 * See the copyright notice in the ACK home directory, in the file "Copyright".
 | 
						|
 *
 | 
						|
 * Author: Ceriel J.H. Jacobs
 | 
						|
 */
 | 
						|
 | 
						|
/* $Header$ */
 | 
						|
 | 
						|
double
 | 
						|
floor(x)
 | 
						|
	double x;
 | 
						|
{
 | 
						|
	extern double modf();
 | 
						|
	double val;
 | 
						|
 | 
						|
	return modf(x, &val) < 0 ? val - 1.0 : val ;
 | 
						|
	/*	this also works if modf always returns a positive
 | 
						|
		fractional part
 | 
						|
	*/
 | 
						|
}
 |