xref: /csrg-svn/usr.bin/f77/libF77/r_sign.c (revision 47940)
1*47940Sbostic /*-
2*47940Sbostic  * Copyright (c) 1980 The Regents of the University of California.
3*47940Sbostic  * All rights reserved.
422965Skre  *
5*47940Sbostic  * %sccs.include.proprietary.c%
610534Sdlw  */
710534Sdlw 
8*47940Sbostic #ifndef lint
9*47940Sbostic static char sccsid[] = "@(#)r_sign.c	5.3 (Berkeley) 04/12/91";
10*47940Sbostic #endif /* not lint */
11*47940Sbostic 
r_sign(a,b)1223854Sjerry float r_sign(a,b)
1310534Sdlw float *a, *b;
1410534Sdlw {
1510534Sdlw float x;
1610534Sdlw x = (*a >= 0 ? *a : - *a);
1710534Sdlw return( *b >= 0 ? x : -x);
1810534Sdlw }
19