1 | /* w_hypotl.c -- long double version of w_hypot.c. |
2 | * Conversion to long double by Ulrich Drepper, |
3 | * Cygnus Support, drepper@cygnus.com. |
4 | */ |
5 | |
6 | /* |
7 | * ==================================================== |
8 | * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved. |
9 | * |
10 | * Developed at SunPro, a Sun Microsystems, Inc. business. |
11 | * Permission to use, copy, modify, and distribute this |
12 | * software is freely granted, provided that this notice |
13 | * is preserved. |
14 | * ==================================================== |
15 | */ |
16 | |
17 | /* |
18 | * wrapper hypotl(x,y) |
19 | */ |
20 | |
21 | #include <math.h> |
22 | #include <math_private.h> |
23 | #include <math-svid-compat.h> |
24 | #include <libm-alias-ldouble.h> |
25 | |
26 | |
27 | #if LIBM_SVID_COMPAT |
28 | long double |
29 | __hypotl(long double x, long double y) |
30 | { |
31 | long double z; |
32 | z = __ieee754_hypotl(x,y); |
33 | if(__builtin_expect(!isfinite(z), 0) |
34 | && isfinite(x) && isfinite(y) && _LIB_VERSION != _IEEE_) |
35 | return __kernel_standard_l(x, y, 204); /* hypot overflow */ |
36 | |
37 | return z; |
38 | } |
39 | libm_alias_ldouble (__hypot, hypot) |
40 | #endif |
41 | |