ack/lang/cem/libcc/math/floor.c
1994-06-24 14:02:31 +00:00

22 lines
400 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
*/
/* $Id$ */
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
*/
}