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ee188d55 RM |
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 | ||
ee188d55 RM |
17 | /* |
18 | * wrapper hypotl(x,y) | |
19 | */ | |
20 | ||
9d13fb24 | 21 | #include <math.h> |
9277c064 | 22 | #include <math_private.h> |
813378e9 | 23 | #include <math-svid-compat.h> |
ee188d55 RM |
24 | |
25 | ||
4f3647e4 | 26 | #if LIBM_SVID_COMPAT |
0ac5ae23 UD |
27 | long double |
28 | __hypotl(long double x, long double y) | |
ee188d55 | 29 | { |
ee188d55 RM |
30 | long double z; |
31 | z = __ieee754_hypotl(x,y); | |
d81f90cc WD |
32 | if(__builtin_expect(!isfinite(z), 0) |
33 | && isfinite(x) && isfinite(y) && _LIB_VERSION != _IEEE_) | |
41bf21a1 | 34 | return __kernel_standard_l(x, y, 204); /* hypot overflow */ |
0ac5ae23 UD |
35 | |
36 | return z; | |
ee188d55 RM |
37 | } |
38 | weak_alias (__hypotl, hypotl) | |
4f3647e4 | 39 | #endif |