diff options
Diffstat (limited to 'math/s_ldexp_template.c')
| -rw-r--r-- | math/s_ldexp_template.c | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/math/s_ldexp_template.c b/math/s_ldexp_template.c new file mode 100644 index 0000000000..3aa56f9f89 --- /dev/null +++ b/math/s_ldexp_template.c @@ -0,0 +1,34 @@ +/* @(#)s_ldexp.c 5.1 93/09/24 */ +/* + * ==================================================== + * 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_ldexp.c,v 1.6 1995/05/10 20:47:40 jtc Exp $"; +#endif + +#include <math.h> +#include <math_private.h> +#include <errno.h> + +FLOAT +M_SUF (__ldexp) (FLOAT value, int exp) +{ + if(!isfinite(value)||value==0) return value + value; + value = M_SCALBN(value,exp); + if(!isfinite(value)||value==0) __set_errno (ERANGE); + return value; +} + +declare_mgen_alias (__ldexp, ldexp) +strong_alias (M_SUF (__ldexp), M_SUF (__wrap_scalbn)) +declare_mgen_alias (__wrap_scalbn, scalbn) + +/* Note, versioning issues are punted to ldbl-opt in this case. */ |