/* long double square root in software floating-point emulation. Copyright (C) 1997, 1999, 2006 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Richard Henderson (rth@cygnus.com) and Jakub Jelinek (jj@ultra.linux.cz). The GNU C Library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. The GNU C Library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with the GNU C Library; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. */ #include #include #include long double __ieee754_sqrtl (const long double a) { FP_DECL_EX; FP_DECL_Q(A); FP_DECL_Q(C); long double c; long _round = 4; /* dynamic rounding */ FP_INIT_ROUNDMODE; FP_UNPACK_Q(A, a); FP_SQRT_Q(C, A); FP_PACK_Q(c, C); FP_HANDLE_EXCEPTIONS; return c; }