projects / thirdparty / glibc.git / blame
| Commit | Line | Data |
|---|---|---|
| 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> |
| 92892fdb | 24 | #include <libm-alias-ldouble.h> |
| ee188d55 RM |
25 | |
| 26 | ||
| 4f3647e4 | 27 | #if LIBM_SVID_COMPAT |
| 0ac5ae23 UD |
28 | long double |
| 29 | __hypotl(long double x, long double y) | |
| ee188d55 | 30 | { |
| ee188d55 RM |
31 | long double z; |
| 32 | z = __ieee754_hypotl(x,y); | |
| d81f90cc WD |
33 | if(__builtin_expect(!isfinite(z), 0) |
| 34 | && isfinite(x) && isfinite(y) && _LIB_VERSION != _IEEE_) | |
| 41bf21a1 | 35 | return __kernel_standard_l(x, y, 204); /* hypot overflow */ |
| 0ac5ae23 UD |
36 | |
| 37 | return z; | |
| ee188d55 | 38 | } |
| 92892fdb | 39 | libm_alias_ldouble (__hypot, hypot) |
| 4f3647e4 | 40 | #endif |