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diff --git a/ext/bcmath/libbcmath/src/compare.c b/ext/bcmath/libbcmath/src/compare.c
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+/* compare.c: bcmath library file. */
+/*
+    Copyright (C) 1991, 1992, 1993, 1994, 1997 Free Software Foundation, Inc.
+    Copyright (C) 2000 Philip A. Nelson
+
+    This library is free software; you can redistribute it and/or
+    modify it under the terms of the GNU Lesser General Public
+    License as published by the Free Software Foundation; either
+    version 2 of the License, or (at your option) any later version.
+
+    This 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
+    Lesser General Public License for more details.  (COPYING.LIB)
+
+    You should have received a copy of the GNU Lesser General Public
+    License along with this library; if not, write to:
+
+      The Free Software Foundation, Inc.
+      59 Temple Place, Suite 330
+      Boston, MA 02111-1307 USA.
+
+    You may contact the author by:
+       e-mail:  philnelson@acm.org
+      us-mail:  Philip A. Nelson
+                Computer Science Department, 9062
+                Western Washington University
+                Bellingham, WA 98226-9062
+       
+*************************************************************************/
+
+#include <config.h>
+#include <stdio.h>
+#include <assert.h>
+#include <stdlib.h>
+#include <ctype.h>
+#include <stdarg.h>
+#include "bcmath.h"
+#include "private.h"
+
+
+/* Compare two bc numbers.  Return value is 0 if equal, -1 if N1 is less
+   than N2 and +1 if N1 is greater than N2.  If USE_SIGN is false, just
+   compare the magnitudes. */
+
+ int
+_bc_do_compare (n1, n2, use_sign, ignore_last)
+     bc_num n1, n2;
+     int use_sign;
+     int ignore_last;
+{
+  char *n1ptr, *n2ptr;
+  int  count;
+
+  /* First, compare signs. */
+  if (use_sign && n1->n_sign != n2->n_sign)
+    {
+      if (n1->n_sign == PLUS)
+	return (1);	/* Positive N1 > Negative N2 */
+      else
+	return (-1);	/* Negative N1 < Positive N1 */
+    }
+
+  /* Now compare the magnitude. */
+  if (n1->n_len != n2->n_len)
+    {
+      if (n1->n_len > n2->n_len)
+	{
+	  /* Magnitude of n1 > n2. */
+	  if (!use_sign || n1->n_sign == PLUS)
+	    return (1);
+	  else
+	    return (-1);
+	}
+      else
+	{
+	  /* Magnitude of n1 < n2. */
+	  if (!use_sign || n1->n_sign == PLUS)
+	    return (-1);
+	  else
+	    return (1);
+	}
+    }
+
+  /* If we get here, they have the same number of integer digits.
+     check the integer part and the equal length part of the fraction. */
+  count = n1->n_len + MIN (n1->n_scale, n2->n_scale);
+  n1ptr = n1->n_value;
+  n2ptr = n2->n_value;
+
+  while ((count > 0) && (*n1ptr == *n2ptr))
+    {
+      n1ptr++;
+      n2ptr++;
+      count--;
+    }
+  if (ignore_last && count == 1 && n1->n_scale == n2->n_scale)
+    return (0);
+  if (count != 0)
+    {
+      if (*n1ptr > *n2ptr)
+	{
+	  /* Magnitude of n1 > n2. */
+	  if (!use_sign || n1->n_sign == PLUS)
+	    return (1);
+	  else
+	    return (-1);
+	}
+      else
+	{
+	  /* Magnitude of n1 < n2. */
+	  if (!use_sign || n1->n_sign == PLUS)
+	    return (-1);
+	  else
+	    return (1);
+	}
+    }
+
+  /* They are equal up to the last part of the equal part of the fraction. */
+  if (n1->n_scale != n2->n_scale)
+    {
+      if (n1->n_scale > n2->n_scale)
+	{
+	  for (count = n1->n_scale-n2->n_scale; count>0; count--)
+	    if (*n1ptr++ != 0)
+	      {
+		/* Magnitude of n1 > n2. */
+		if (!use_sign || n1->n_sign == PLUS)
+		  return (1);
+		else
+		  return (-1);
+	      }
+	}
+      else
+	{
+	  for (count = n2->n_scale-n1->n_scale; count>0; count--)
+	    if (*n2ptr++ != 0)
+	      {
+		/* Magnitude of n1 < n2. */
+		if (!use_sign || n1->n_sign == PLUS)
+		  return (-1);
+		else
+		  return (1);
+	      }
+	}
+    }
+
+  /* They must be equal! */
+  return (0);
+}
+
+
+/* This is the "user callable" routine to compare numbers N1 and N2. */
+
+int
+bc_compare (n1, n2)
+     bc_num n1, n2;
+{
+  return _bc_do_compare (n1, n2, TRUE, FALSE);
+}
+