1 | /* w_hypotf.c -- float version of w_hypot.c. |
2 | * Conversion to float by Ian Lance Taylor, Cygnus Support, ian@cygnus.com. |
3 | */ |
4 | |
5 | /* |
6 | * ==================================================== |
7 | * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved. |
8 | * |
9 | * Developed at SunPro, a Sun Microsystems, Inc. business. |
10 | * Permission to use, copy, modify, and distribute this |
11 | * software is freely granted, provided that this notice |
12 | * is preserved. |
13 | * ==================================================== |
14 | */ |
15 | |
16 | /* |
17 | * wrapper hypotf(x,y) |
18 | */ |
19 | |
20 | #include <math.h> |
21 | #include <math_private.h> |
22 | #include <math-svid-compat.h> |
23 | #include <libm-alias-float.h> |
24 | |
25 | |
26 | #if LIBM_SVID_COMPAT |
27 | float |
28 | __hypotf(float x, float y) |
29 | { |
30 | float z = __ieee754_hypotf(x,y); |
31 | if(__builtin_expect(!isfinite(z), 0) |
32 | && isfinite(x) && isfinite(y) && _LIB_VERSION != _IEEE_) |
33 | /* hypot overflow */ |
34 | return __kernel_standard_f(x, y, 104); |
35 | |
36 | return z; |
37 | } |
38 | libm_alias_float (__hypot, hypot) |
39 | #endif |
40 | |