glibc/math/w_hypotf_compat.c
Adhemerval Zanella 104d2005d5 math: Remove the error handling wrapper from hypot and hypotf
The error handling is moved to sysdeps/ieee754 version with no SVID
support.  The compatibility symbol versions still use the wrapper with
SVID error handling around the new code.  There is no new symbol version
nor compatibility code on !LIBM_SVID_COMPAT targets (e.g. riscv).

Only ia64 is unchanged, since it still uses the arch specific
__libm_error_region on its implementation.

Checked on x86_64-linux-gnu, i686-linux-gnu, and aarch64-linux-gnu.
2021-12-13 10:08:46 -03:00

39 lines
960 B
C

/* w_hypotf.c -- float version of w_hypot.c.
*/
/*
* ====================================================
* Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
*
* Developed at SunPro, a Sun Microsystems, Inc. business.
* Permission to use, copy, modify, and distribute this
* software is freely granted, provided that this notice
* is preserved.
* ====================================================
*/
/*
* wrapper hypotf(x,y)
*/
#include <math.h>
#include <math_private.h>
#include <math-svid-compat.h>
#include <libm-alias-float.h>
#if LIBM_SVID_COMPAT && SHLIB_COMPAT (libm, GLIBC_2_0, GLIBC_2_35)
float
__hypotf_compat (float x, float y)
{
float z = __ieee754_hypotf(x,y);
if(__builtin_expect(!isfinite(z), 0)
&& isfinite(x) && isfinite(y) && _LIB_VERSION != _IEEE_)
/* hypot overflow */
return __kernel_standard_f(x, y, 104);
return z;
}
compat_symbol (libm, __hypotf_compat, hypotf, GLIBC_2_0);
#endif