xref: /csrg-svn/usr.bin/f77/libF77/h_dnnt.c (revision 47940)
1*47940Sbostic /*-
2*47940Sbostic  * Copyright (c) 1980 The Regents of the University of California.
3*47940Sbostic  * All rights reserved.
422895Skre  *
5*47940Sbostic  * %sccs.include.proprietary.c%
610487Sdlw  */
710487Sdlw 
8*47940Sbostic #ifndef lint
9*47940Sbostic static char sccsid[] = "@(#)h_dnnt.c	5.2 (Berkeley) 04/12/91";
10*47940Sbostic #endif /* not lint */
11*47940Sbostic 
h_dnnt(x)1210487Sdlw short h_dnnt(x)
1310487Sdlw double *x;
1410487Sdlw {
1510487Sdlw double floor();
1610487Sdlw 
1710487Sdlw return( (*x)>=0 ?
1810487Sdlw 	floor(*x + .5) : -floor(.5 - *x) );
1910487Sdlw }
20