1 /* w_hypotf.c -- float version of w_hypot.c.
2 */
3
4 /*
5 * ====================================================
6 * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
7 *
8 * Developed at SunPro, a Sun Microsystems, Inc. business.
9 * Permission to use, copy, modify, and distribute this
10 * software is freely granted, provided that this notice
11 * is preserved.
12 * ====================================================
13 */
14
15 /*
16 * wrapper hypotf(x,y)
17 */
18
19 #include <math.h>
20 #include <math_private.h>
21 #include <math-svid-compat.h>
22 #include <libm-alias-float.h>
23
24
25 #if LIBM_SVID_COMPAT && SHLIB_COMPAT (libm, GLIBC_2_0, GLIBC_2_35)
26 float
__hypotf_compat(float x,float y)27 __hypotf_compat (float x, float y)
28 {
29 float z = __ieee754_hypotf(x,y);
30 if(__builtin_expect(!isfinite(z), 0)
31 && isfinite(x) && isfinite(y) && _LIB_VERSION != _IEEE_)
32 /* hypot overflow */
33 return __kernel_standard_f(x, y, 104);
34
35 return z;
36 }
37 compat_symbol (libm, __hypotf_compat, hypotf, GLIBC_2_0);
38 #endif
39