xref: /csrg-svn/usr.bin/f77/libF77/d_nint.c (revision 47940)
1*47940Sbostic /*-
2*47940Sbostic  * Copyright (c) 1980 The Regents of the University of California.
3*47940Sbostic  * All rights reserved.
422865Skre  *
5*47940Sbostic  * %sccs.include.proprietary.c%
610464Sdlw  */
710464Sdlw 
8*47940Sbostic #ifndef lint
9*47940Sbostic static char sccsid[] = "@(#)d_nint.c	5.2 (Berkeley) 04/12/91";
10*47940Sbostic #endif /* not lint */
11*47940Sbostic 
d_nint(x)1210464Sdlw double d_nint(x)
1310464Sdlw double *x;
1410464Sdlw {
1510464Sdlw double floor();
1610464Sdlw 
1710464Sdlw return( (*x)>=0 ?
1810464Sdlw 	floor(*x + .5) : -floor(.5 - *x) );
1910464Sdlw }
20