/* s_finitel.c -- long double version of s_finite.c. * Conversion to IEEE quad long double by Jakub Jelinek, jj@ultra.linux.cz. */ /* * ==================================================== * 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. * ==================================================== */ #if defined(LIBM_SCCS) && !defined(lint) static char rcsid[] = "$NetBSD: $"; #endif /* * finitel(x) returns 1 is x is finite, else 0; * no branching! */ #include #include #include int ___finitel (long double x) { uint64_t hx; double xhi; xhi = ldbl_high (x); EXTRACT_WORDS64 (hx, xhi); hx &= 0x7ff0000000000000LL; hx -= 0x7ff0000000000000LL; return hx >> 63; } hidden_ver (___finitel, __finitel) weak_alias (___finitel, ____finitel) #if IS_IN (libm) long_double_symbol (libm, ____finitel, finitel); long_double_symbol (libm, ___finitel, __finitel); #else long_double_symbol (libc, ____finitel, finitel); long_double_symbol (libc, ___finitel, __finitel); #endif