| lh | 9ed821d | 2023-04-07 01:36:19 -0700 | [diff] [blame^] | 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 | |
| 24 | |
| 25 | long double |
| 26 | __hypotl(long double x, long double y) |
| 27 | { |
| 28 | long double z; |
| 29 | z = __ieee754_hypotl(x,y); |
| 30 | if(__builtin_expect(!isfinite(z), 0) |
| 31 | && isfinite(x) && isfinite(y) && _LIB_VERSION != _IEEE_) |
| 32 | return __kernel_standard_l(x, y, 204); /* hypot overflow */ |
| 33 | |
| 34 | return z; |
| 35 | } |
| 36 | weak_alias (__hypotl, hypotl) |