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| author | 1995-10-18 08:37:01 +0000 | |
|---|---|---|
| committer | 1995-10-18 08:37:01 +0000 | |
| commit | df930be708d50e9715f173caa26ffe1b7599b157 (patch) | |
| tree | aa317e49e28cb999c9cf3db7f00c20903fe6010a /lib/libm/src/s_ldexpf.c | |
| download | wireguard-openbsd-df930be708d50e9715f173caa26ffe1b7599b157.tar.xz wireguard-openbsd-df930be708d50e9715f173caa26ffe1b7599b157.zip | |
initial import of NetBSD tree
Diffstat (limited to 'lib/libm/src/s_ldexpf.c')
| -rw-r--r-- | lib/libm/src/s_ldexpf.c | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/lib/libm/src/s_ldexpf.c b/lib/libm/src/s_ldexpf.c new file mode 100644 index 00000000000..60a28e2a5b4 --- /dev/null +++ b/lib/libm/src/s_ldexpf.c @@ -0,0 +1,35 @@ +/* s_ldexpf.c -- float version of s_ldexp.c. + * Conversion to float by Ian Lance Taylor, Cygnus Support, ian@cygnus.com. + */ + +/* + * ==================================================== + * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved. + * + * Developed at SunPro, a Sun Microsystems, Inc. business. + * Permission to use, copy, modify, and distribute this + * software is freely granted, provided that this notice + * is preserved. + * ==================================================== + */ + +#if defined(LIBM_SCCS) && !defined(lint) +static char rcsid[] = "$NetBSD: s_ldexpf.c,v 1.3 1995/05/10 20:47:42 jtc Exp $"; +#endif + +#include "math.h" +#include "math_private.h" +#include <errno.h> + +#ifdef __STDC__ + float ldexpf(float value, int exp) +#else + float ldexpf(value, exp) + float value; int exp; +#endif +{ + if(!finitef(value)||value==(float)0.0) return value; + value = scalbnf(value,exp); + if(!finitef(value)||value==(float)0.0) errno = ERANGE; + return value; +} |
