diff options
Diffstat (limited to 'sysdeps/libm-ieee754/s_ldexpf.c')
| -rw-r--r-- | sysdeps/libm-ieee754/s_ldexpf.c | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/sysdeps/libm-ieee754/s_ldexpf.c b/sysdeps/libm-ieee754/s_ldexpf.c new file mode 100644 index 0000000000..d047677d72 --- /dev/null +++ b/sysdeps/libm-ieee754/s_ldexpf.c @@ -0,0 +1,36 @@ +/* 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; +} +weak_alias (__ldexpf, ldexpf) |