|  | /* w_hypotl.c -- long double version of w_hypot.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. | 
|  | * ==================================================== | 
|  | */ | 
|  |  | 
|  | /* | 
|  | * wrapper hypotl(x,y) | 
|  | */ | 
|  |  | 
|  | #include <math.h> | 
|  | #include <math_private.h> | 
|  |  | 
|  |  | 
|  | long double | 
|  | __hypotl(long double x, long double y) | 
|  | { | 
|  | long double z; | 
|  | z = __ieee754_hypotl(x,y); | 
|  | if(__builtin_expect(!isfinite(z), 0) | 
|  | && isfinite(x) && isfinite(y) && _LIB_VERSION != _IEEE_) | 
|  | return __kernel_standard_l(x, y, 204); /* hypot overflow */ | 
|  |  | 
|  | return z; | 
|  | } | 
|  | weak_alias (__hypotl, hypotl) |