/* w_hypotf.c -- float version of w_hypot.c. * Conversion to float by Ian Lance Taylor, Cygnus Support, ian@cygnus.com. */ /* * ==================================================== * 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" float hypotf(float x, float y) { #if __UCLIBC_HAS_FENV__ float z = (float) __ieee754_hypot((double) x, (double) 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; #else return (float) __ieee754_hypot((double) x, (double) y); #endif }