xref: /csrg-svn/lib/libc/quad/fixsfdi.c (revision 54745)
1*54745Storek /*-
2*54745Storek  * Copyright (c) 1992 The Regents of the University of California.
3*54745Storek  * All rights reserved.
4*54745Storek  *
5*54745Storek  * This software was developed by the Computer Systems Engineering group
6*54745Storek  * at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and
7*54745Storek  * contributed to Berkeley.
8*54745Storek  *
9*54745Storek  * %sccs.include.redist.c%
10*54745Storek  */
11*54745Storek 
12*54745Storek #if defined(LIBC_SCCS) && !defined(lint)
13*54745Storek static char sccsid[] = "@(#)fixsfdi.c	5.1 (Berkeley) 07/07/92";
14*54745Storek #endif /* LIBC_SCCS and not lint */
15*54745Storek 
16*54745Storek #include "quad.h"
17*54745Storek 
18*54745Storek /*
19*54745Storek  * Convert float to (signed) quad.
20*54745Storek  * We clamp anything that is out of range.
21*54745Storek  *
22*54745Storek  * N.B.: must use new ANSI syntax (sorry).
23*54745Storek  */
24*54745Storek long long
__fixsfdi(float x)25*54745Storek __fixsfdi(float x)
26*54745Storek {
27*54745Storek 	if (x < 0)
28*54745Storek 		if (x <= QUAD_MIN)
29*54745Storek 			return (QUAD_MIN);
30*54745Storek 		else
31*54745Storek 			return ((quad_t)-(u_quad_t)-x);
32*54745Storek 	else
33*54745Storek 		if (x >= QUAD_MAX)
34*54745Storek 			return (QUAD_MAX);
35*54745Storek 		else
36*54745Storek 			return ((quad_t)(u_quad_t)x);
37*54745Storek }
38