===================================================================
RCS file: /home/cvs/OpenXM_contrib/gmp/mpfr/Attic/set_si.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_si.c	2000/09/09 14:12:19	1.1
+++ OpenXM_contrib/gmp/mpfr/Attic/set_si.c	2003/08/25 16:06:07	1.1.1.2
@@ -1,81 +1,81 @@
-/* mpfr_set_si, mpfr_set_ui -- set a MPFR number from a machine integer
+/* mpfr_set_si -- set a MPFR number from a machine signed integer
 
-Copyright (C) 1999 PolKA project, Inria Lorraine and Loria
+Copyright 1999, 2000, 2001 Free Software Foundation.
 
 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. */
 
-#include <stdio.h>
 #include "gmp.h"
 #include "gmp-impl.h"
 #include "longlong.h"
 #include "mpfr.h"
+#include "mpfr-impl.h"
 
-void
-#if __STDC__
-mpfr_set_si(mpfr_ptr x, long i, unsigned char rnd_mode)
-#else
-mpfr_set_si(x, i, rnd_mode)
-     mpfr_ptr x;
-     long i;
-     unsigned char rnd_mode;
-#endif
+int
+mpfr_set_si (mpfr_ptr x, long i, mp_rnd_t rnd_mode)
 {
-  unsigned long xn, cnt; mp_limb_t ai;
+  int inex;
+  mp_size_t xn;
+  unsigned int cnt, nbits;
+  mp_limb_t ai, *xp;
 
-  if (i==0) { SET_ZERO(x); return; }
-  xn = (PREC(x)-1)/BITS_PER_MP_LIMB;
-  ai = ABS(i); 
+  MPFR_CLEAR_FLAGS(x);
+  if (i == 0)
+    {
+      MPFR_SET_ZERO(x);
+      MPFR_SET_POS(x);
+      MPFR_RET(0);
+    }
 
-  count_leading_zeros(cnt, ai); 
+  xn = (MPFR_PREC(x)-1)/BITS_PER_MP_LIMB;
+  ai = SAFE_ABS(long, i);
+  count_leading_zeros(cnt, ai);
 
-  x -> _mp_d[xn] = ai << cnt;
+  xp = MPFR_MANT(x);
+  xp[xn] = ai << cnt;
   /* don't forget to put zero in lower limbs */
-  MPN_ZERO(MANT(x), xn);
-  x -> _mp_exp = BITS_PER_MP_LIMB - cnt;
-  /* warning: don't change the precision of x! */
-  if (i*SIGN(x) < 0) CHANGE_SIGN(x);
+  MPN_ZERO(xp, xn);
+  /* set sign */
+  if ((i < 0) ^ (MPFR_SIGN(x) < 0))
+    MPFR_CHANGE_SIGN(x);
 
-  return; 
-}
+  MPFR_EXP(x) = nbits = BITS_PER_MP_LIMB - cnt;
+  inex = mpfr_check_range(x, rnd_mode);
+  if (inex)
+    return inex; /* underflow or overflow */
 
-void
-#if __STDC__
-mpfr_set_ui(mpfr_ptr x, unsigned long i, unsigned char rnd_mode)
-#else
-mpfr_set_ui(x, i, rnd_mode)
-     mpfr_ptr x;
-     long i;
-     unsigned char rnd_mode;
-#endif  
-{
-  unsigned int xn, cnt;
+  /* round if MPFR_PREC(x) smaller than length of i */
+  if (MPFR_PREC(x) < nbits)
+    {
+      int carry;
 
-  if (i==0) { SET_ZERO(x); return; }
-  xn = (PREC(x)-1)/BITS_PER_MP_LIMB;
-  count_leading_zeros(cnt, (mp_limb_t) i); 
+      carry = mpfr_round_raw(xp+xn, xp+xn, nbits, (i < 0), MPFR_PREC(x),
+                             rnd_mode, &inex);
+      if (carry)
+        {
+          mp_exp_t exp = MPFR_EXP(x);
 
-  x -> _mp_d[xn] = ((mp_limb_t) i) << cnt; 
-  /* don't forget to put zero in lower limbs */
-  MPN_ZERO(MANT(x), xn);
-  x -> _mp_exp = BITS_PER_MP_LIMB - cnt;
-  /* warning: don't change the precision of x! */
-  if (SIGN(x) < 0) CHANGE_SIGN(x);
+          if (exp == __mpfr_emax)
+            return mpfr_set_overflow(x, rnd_mode, (i < 0 ? -1 : 1));
 
-  return; 
-}
+          MPFR_EXP(x)++;
+          xp[xn] = GMP_LIMB_HIGHBIT;
+        }
+    }
 
+  MPFR_RET(inex);
+}