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-rw-r--r--soft-fp/truncdfsf2.c45
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+/* Software floating-point emulation.
+ Truncate IEEE double into IEEE single
+ 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 Library General Public License as
+ published by the Free Software Foundation; either version 2 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
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public
+ License along with the GNU C Library; see the file COPYING.LIB. If
+ not, write to the Free Software Foundation, Inc.,
+ 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
+
+#include "soft-fp.h"
+#include "single.h"
+#include "double.h"
+
+float __truncdfsf2(double a)
+{
+ FP_DECL_EX;
+ FP_DECL_D(A);
+ FP_DECL_S(R);
+ float r;
+
+ FP_INIT_ROUNDMODE;
+ FP_UNPACK_D(A, a);
+#if _FP_W_TYPE_SIZE < _FP_FRACBITS_D
+ FP_CONV(S,D,1,2,R,A);
+#else
+ FP_CONV(S,D,1,1,R,A);
+#endif
+ FP_PACK_S(r, R);
+ FP_HANDLE_EXCEPTIONS;
+
+ return r;
+}