===================================================================
RCS file: /home/cvs/OpenXM_contrib/gmp/mpfr/Attic/set_f.c,v
retrieving revision 1.1
retrieving revision 1.1.1.2
diff -u -p -r1.1 -r1.1.1.2
--- OpenXM_contrib/gmp/mpfr/Attic/set_f.c	2000/09/09 14:12:19	1.1
+++ OpenXM_contrib/gmp/mpfr/Attic/set_f.c	2003/08/25 16:06:07	1.1.1.2
@@ -1,20 +1,20 @@
 /* mpfr_set_f -- set a MPFR number from a GNU MPF number
 
-Copyright (C) 1999-2000 PolKA project, Inria Lorraine and Loria
+Copyright 1999, 2000, 2001 Free Software Foundation, Inc.
 
 This file is part of the MPFR Library.
 
 The MPFR 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
+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 MPFR 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
+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 Library General Public License
+You should have received a copy of the GNU Lesser General Public License
 along with the MPFR 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. */
@@ -24,49 +24,60 @@ MA 02111-1307, USA. */
 #include "gmp-impl.h"
 #include "longlong.h"
 #include "mpfr.h"
+#include "mpfr-impl.h"
 
-void 
-#if __STDC__
-mpfr_set_f(mpfr_ptr y, mpf_srcptr x, char rnd_mode)
-#else
-mpfr_set_f(y, x, rnd_mode)
-     mpfr_ptr y;
-     mpf_srcptr x;
-     char rnd_mode; 
-#endif
+int
+mpfr_set_f (mpfr_ptr y, mpf_srcptr x, mp_rnd_t rnd_mode)
 {
-  mp_limb_t *my, *mx, *tmp; unsigned long cnt, sx, sy;
+  mp_limb_t *my, *mx, *tmp;
+  unsigned long cnt, sx, sy;
+  int inexact;
   TMP_DECL(marker);
 
-  sx = ABS(SIZ(x)); sy = ABSSIZE(y);
-  my = MANT(y); mx = MANT(x);
+  if (SIZ(x) * MPFR_SIGN(y) < 0)
+    MPFR_CHANGE_SIGN (y);
 
-  if (sx==0) { /* x is zero */
-    SET_ZERO(y); return;
-  }
+  MPFR_CLEAR_FLAGS (y);
 
-  count_leading_zeros(cnt, mx[sx - 1]);  
+  sx = ABS(SIZ(x)); /* number of limbs of the mantissa of x */
+  sy = 1 + (MPFR_PREC(y) - 1) / BITS_PER_MP_LIMB;
+  my = MPFR_MANT(y);
+  mx = PTR(x);
 
-  if (SIZ(x)*SIGN(y)<0) CHANGE_SIGN(y);
+  if (sx == 0) /* x is zero */
+    {
+      MPFR_SET_ZERO(y);
+      return 0; /* 0 is exact */
+    }
 
-  if (sy < sx)
+  count_leading_zeros(cnt, mx[sx - 1]);  
+
+  if (sy <= sx) /* we may have to round even when sy = sx */
     {
       unsigned long xprec = sx * BITS_PER_MP_LIMB;
 
+      TMP_MARK(marker);
       tmp = (mp_limb_t*) TMP_ALLOC(xprec);
-      if (cnt) mpn_lshift(tmp, mx, sx, cnt); 
-      else MPN_COPY(tmp, mx, sx); 
-      mpfr_round_raw(my, tmp, xprec, (SIZ(x)<0), PREC(y), rnd_mode);  
+      if (cnt)
+	mpn_lshift(tmp, mx, sx, cnt);
+      else
+	MPN_COPY(tmp, mx, sx);
+      mpfr_round_raw (my, tmp, xprec, (SIZ(x)<0), MPFR_PREC(y), rnd_mode,
+		      &inexact);
+      TMP_FREE(marker);
     }
   else
     {
-      if (cnt) mpn_lshift(my + sy - sx, mx, sx, cnt); 
-      else MPN_COPY(my + sy - sx, mx, sy); 
+      if (cnt)
+	mpn_lshift(my + sy - sx, mx, sx, cnt); 
+      else
+	MPN_COPY(my + sy - sx, mx, sy); 
       MPN_ZERO(my, sy - sx);
       /* no rounding necessary, since y has a larger mantissa */
+      inexact = 0;
     }
   
-  EXP(y) = EXP(x) * BITS_PER_MP_LIMB - cnt;
+  MPFR_EXP(y) = EXP(x) * BITS_PER_MP_LIMB - cnt;
 
-  TMP_FREE(marker);
+  return inexact;
 }