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math/w_hypot_compat.c
42 строки
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Adhemerval Zanella
math: Remove the error handling wrapper from hypot and hypotf
13 дек 2021, 16:08
13 дек 2021, 16:08
104d200
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/* @(#)w_hypot.c 5.1 93/09/24 */ /* * ==================================================== * 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 hypot(x,y) */ #include <math.h> #include <math_private.h> #include <math-svid-compat.h> #include <libm-alias-double.h> #if LIBM_SVID_COMPAT && SHLIB_COMPAT (libm, GLIBC_2_0, GLIBC_2_35) double __hypot_compat (double x, double y) { double z = __ieee754_hypot(x,y); if(__builtin_expect(!isfinite(z), 0) && isfinite(x) && isfinite(y) && _LIB_VERSION != _IEEE_) return __kernel_standard(x, y, 4); /* hypot overflow */ return z; } compat_symbol (libm, __hypot_compat, hypot, GLIBC_2_0); # ifdef NO_LONG_DOUBLE weak_alias (__hypot_compat, hypotl) # endif # ifdef LONG_DOUBLE_COMPAT LONG_DOUBLE_COMPAT_CHOOSE_libm_hypotl ( compat_symbol (libm, __hypot_compat, hypotl, FIRST_VERSION_libm_hypotl), ); # endif #endif