xref: /csrg-svn/usr.bin/f77/libF77/r_sign.c (revision 23854)
110534Sdlw /*
222965Skre  * Copyright (c) 1980 Regents of the University of California.
322965Skre  * All rights reserved.  The Berkeley software License Agreement
422965Skre  * specifies the terms and conditions for redistribution.
522965Skre  *
6*23854Sjerry  *	@(#)r_sign.c	5.2	07/08/85
710534Sdlw  */
810534Sdlw 
9*23854Sjerry float r_sign(a,b)
1010534Sdlw float *a, *b;
1110534Sdlw {
1210534Sdlw float x;
1310534Sdlw x = (*a >= 0 ? *a : - *a);
1410534Sdlw return( *b >= 0 ? x : -x);
1510534Sdlw }
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