/* Software floating-point emulation. Truncate IEEE quad into IEEE double Copyright (C) 1997,1999 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 "soft-fp.h" #include "double.h" #include "quad.h" double __trunctfdf2(long double a) { FP_DECL_EX; FP_DECL_Q(A); FP_DECL_D(R); double r; FP_INIT_ROUNDMODE; FP_UNPACK_Q(A, a); #if (2 * _FP_W_TYPE_SIZE) < _FP_FRACBITS_Q FP_CONV(D,Q,2,4,R,A); #else FP_CONV(D,Q,1,2,R,A); #endif FP_PACK_D(r, R); FP_HANDLE_EXCEPTIONS; return r; }