diff options
Diffstat (limited to 'math/w_log10l.c')
| -rw-r--r-- | math/w_log10l.c | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/math/w_log10l.c b/math/w_log10l.c new file mode 100644 index 0000000000..25c051d375 --- /dev/null +++ b/math/w_log10l.c @@ -0,0 +1,51 @@ +/* w_log10l.c -- long double version of w_log10.c. + * Conversion to long double by Ulrich Drepper, + * Cygnus Support, drepper@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: $"; +#endif + +/* + * wrapper log10l(X) + */ + +#include <math.h> +#include "math_private.h" + + +#ifdef __STDC__ + long double __log10l(long double x) /* wrapper log10l */ +#else + long double __log10l(x) /* wrapper log10l */ + long double x; +#endif +{ +#ifdef _IEEE_LIBM + return __ieee754_log10l(x); +#else + long double z; + z = __ieee754_log10l(x); + if(_LIB_VERSION == _IEEE_ || __isnanl(x)) return z; + if(x<=0.0) { + if(x==0.0) + return __kernel_standard(x,x,218); /* log10(0) */ + else + return __kernel_standard(x,x,219); /* log10(x<0) */ + } else + return z; +#endif +} +weak_alias (__log10l, log10l) |