===================================================================
RCS file: /home/cvs/OpenXM_contrib/gmp/mpfr/Attic/cmp_ui.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/cmp_ui.c	2000/09/09 14:12:19	1.1
+++ OpenXM_contrib/gmp/mpfr/Attic/cmp_ui.c	2003/08/25 16:06:06	1.1.1.2
@@ -1,20 +1,20 @@
 /* mpfr_cmp_ui -- compare a floating-point number with a machine integer
 
-Copyright (C) 1999 PolKA project, Inria Lorraine and Loria
+Copyright 1999, 2001, 2002 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. */
@@ -24,6 +24,7 @@ MA 02111-1307, USA. */
 #include "gmp-impl.h"
 #include "longlong.h"
 #include "mpfr.h"
+#include "mpfr-impl.h"
 
 /* returns a positive value if b>i*2^f,
            a negative value if b<i*2^f,
@@ -31,40 +32,51 @@ MA 02111-1307, USA. */
 */
 
 int 
-#if __STDC__
-mpfr_cmp_ui_2exp ( mpfr_srcptr b, unsigned long int i, int f )
-#else
-mpfr_cmp_ui_2exp (b, i, f)
-     mpfr_srcptr b; 
-     unsigned long int i; 
-     int f; 
-#endif
+mpfr_cmp_ui_2exp (mpfr_srcptr b, unsigned long int i, int f)
 {
-  int e, k, bn; mp_limb_t c, *bp;
+  int e, k, bn;
+  mp_limb_t c, *bp;
 
-  if (SIGN(b)<0) return -1;
-  else if (!NOTZERO(b)) return((i) ? -1 : 0);
-  else { /* b>0 */
-    e = EXP(b); /* 2^(e-1) <= b < 2^e */
-    if (e>f+mp_bits_per_limb) return 1;
+  MPFR_ASSERTN(!MPFR_IS_NAN(b));
 
+  if (MPFR_IS_INF(b))
+    return MPFR_SIGN(b);
+
+  /* now b is neither NaN nor +/-Infinity */
+  if (MPFR_IS_ZERO(b))
+    return i ? -1 : 0;
+  else if (MPFR_SIGN(b) < 0)
+    return -1;
+  /* now b>0 */
+  else if (i == 0)
+    return 1;
+  else
+    { /* b>0, i>0 */
+      e = MPFR_EXP(b); /* 2^(e-1) <= b < 2^e */
+      if (e > f + BITS_PER_MP_LIMB)
+        return 1;
+
     c = (mp_limb_t) i;
     count_leading_zeros(k, c);
-    k = f+mp_bits_per_limb - k; /* 2^(k-1) <= i*2^f < 2^k */
-    if (k!=e) return (e-k);
+    k = f + BITS_PER_MP_LIMB - k; /* 2^(k-1) <= i*2^f < 2^k */
+    if (k != e)
+      return e - k;
 
     /* now k=e */
-    c <<= (f+mp_bits_per_limb-k);
-    bn = (PREC(b)-1)/mp_bits_per_limb;
-    bp = MANT(b) + bn;
-    if (*bp>c) return 1;
-    else if (*bp<c) return -1;
+    c <<= f + BITS_PER_MP_LIMB - k;
+    bn = (MPFR_PREC(b) - 1) / BITS_PER_MP_LIMB;
+    bp = MPFR_MANT(b) + bn;
+    if (*bp > c)
+      return 1;
+    if (*bp < c)
+      return -1;
 
     /* most significant limbs agree, check remaining limbs from b */
-    while (--bn>=0)
-      if (*--bp) return 1;
+    while (--bn >= 0)
+      if (*--bp)
+        return 1;
     return 0;
-  }
+    }
 }
 
 /* returns a positive value if b>i*2^f,
@@ -73,44 +85,44 @@ mpfr_cmp_ui_2exp (b, i, f)
 */
 
 int 
-#if __STDC__
-mpfr_cmp_si_2exp ( mpfr_srcptr b, long int i, int f )
-#else
-mpfr_cmp_si_2exp(b, i, f)
-     mpfr_srcptr b; 
-     long int i; 
-     int f; 
-#endif
+mpfr_cmp_si_2exp (mpfr_srcptr b, long int i, int f)
 {
-  int e, k, bn, si; mp_limb_t c, *bp;
+  int e, k, bn, si;
+  mp_limb_t c, *bp;
 
-  si = (i<0) ? -1 : 1; /* sign of i */
-  if (SIGN(b)*i<0) return SIGN(b); /* both signs differ */
-  else if (!NOTZERO(b) || (i==0)) { /* one is zero */
-    if (i==0) return ((NOTZERO(b)) ? SIGN(b) : 0);
-    else return si; /* b is zero */
-      
-  }
-  else { /* b and i are of same sign */
-    e = EXP(b); /* 2^(e-1) <= b < 2^e */
-    if (e>f+mp_bits_per_limb) return si;
+  MPFR_ASSERTN(!MPFR_IS_NAN(b));
 
-    c = (mp_limb_t) ((i<0) ? -i : i);
-    count_leading_zeros(k, c);
-    k = f+mp_bits_per_limb - k; /* 2^(k-1) <= i*2^f < 2^k */
-    if (k!=e) return (si*(e-k));
+  si = i < 0 ? -1 : 1; /* sign of i */
+  if (MPFR_IS_INF(b) || (MPFR_NOTZERO(b) && MPFR_SIGN(b) != si))
+    return MPFR_SIGN(b);
+  /* both signs differ */
+  else if (MPFR_IS_ZERO(b) || i == 0)
+    return i == 0 ? (MPFR_IS_ZERO(b) ? 0 : MPFR_SIGN(b)) : -si;
+  else
+    { /* b and i are of same sign */
+      e = MPFR_EXP(b); /* 2^(e-1) <= b < 2^e */
+      if (e > f + BITS_PER_MP_LIMB)
+        return si;
 
-    /* now k=e */
-    c <<= (f+mp_bits_per_limb-k);
-    bn = (PREC(b)-1)/mp_bits_per_limb;
-    bp = MANT(b) + bn;
-    if (*bp>c) return si;
-    else if (*bp<c) return -si;
+      c = i < 0 ? - (mp_limb_t) i : (mp_limb_t) i;
+      count_leading_zeros(k, c);
+      k = f + BITS_PER_MP_LIMB - k; /* 2^(k-1) <= i*2^f < 2^k */
+      if (k != e)
+        return si * (e - k);
 
-    /* most significant limbs agree, check remaining limbs from b */
-    while (--bn>=0)
-      if (*--bp) return si;
-    return 0;
-  }
-}
+      /* now k = e */
+      c <<= f + BITS_PER_MP_LIMB - k;
+      bn = (MPFR_PREC(b) - 1) / BITS_PER_MP_LIMB;
+      bp = MPFR_MANT(b) + bn;
+      if (*bp > c)
+        return si;
+      if (*bp < c)
+        return -si;
 
+      /* most significant limbs agree, check remaining limbs from b */
+      while (--bn >= 0)
+        if (*--bp)
+          return si;
+      return 0;
+    }
+}