Update.

1999-12-29  Ulrich Drepper  <drepper@cygnus.com>

	* soft-fp/*: Tons of new files to implement floating-point arithmetic
	in software.
	Contributed by  Richard Henderson, Jakub Jelinek and others.

1 files changed, 45 insertions, 0 deletions

diff --git a/soft-fp/trunctfdf2.c b/soft-fp/trunctfdf2.c
new file mode 100644
index 0000000000..85fd241e6b
--- /dev/null
+++ b/soft-fp/trunctfdf2.c
@@ -0,0 +1,45 @@
+/* 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 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 "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;
+}