BugFix: _divmod() returned wrong result for -x/x : fixed

[libfirm] / ir / tv / fltcalc.c

diff --git a/ir/tv/fltcalc.c b/ir/tv/fltcalc.c
index 105d962..aaec048 100644 (file)
--- a/ir/tv/fltcalc.c
+++ b/ir/tv/fltcalc.c
@@ -1,21 +1,34 @@
 /*
- * Project:     libFIRM
- * File name:   ir/tv/fltcalc.c
- * Purpose:
- * Author:
- * Modified by:
- * Created:     2003
- * CVS-ID:      $Id$
- * Copyright:   (c) 2003 Universität Karlsruhe
- * Licence:     This file protected by GPL -  GNU GENERAL PUBLIC LICENSE.
+ * Copyright (C) 1995-2007 University of Karlsruhe.  All right reserved.
+ *
+ * This file is part of libFirm.
+ *
+ * This file may be distributed and/or modified under the terms of the
+ * GNU General Public License version 2 as published by the Free Software
+ * Foundation and appearing in the file LICENSE.GPL included in the
+ * packaging of this file.
+ *
+ * Licensees holding valid libFirm Professional Edition licenses may use
+ * this file in accordance with the libFirm Commercial License.
+ * Agreement provided with the Software.
+ *
+ * This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
+ * WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE.
  */
 
+/**
+ * @file
+ * @brief    tarval floating point calculations
+ * @date     2003
+ * @author   Mathias Heil
+ * @version  $Id$
+ */
 
 #ifdef HAVE_CONFIG_H
 # include "config.h"
 #endif
 
-
 #include "fltcalc.h"
 #include "strcalc.h"
 
@@ -34,12 +47,6 @@
 #ifdef HAVE_STDLIB_H
 # include <stdlib.h>
 #endif
-#ifdef HAVE_ALLOCA_H
-# include <alloca.h>
-#endif
-#ifdef HAVE_MALLOC_H
-# include <malloc.h>
-#endif
 #include <stdio.h>
 #include <assert.h>
 
@@ -711,6 +718,7 @@ static char* _fdiv(const char* a, const char* b, char* result)
   return _normalize(result, result, sc_had_carry());
 }
 
+#if 0
 static void _power_of_ten(int exp, descriptor_t *desc, char *result)
 {
   char *build;
@@ -748,6 +756,7 @@ static void _power_of_ten(int exp, descriptor_t *desc, char *result)
     _normalize(result, result, 0);
   }
 }
+#endif
 
 /**
  * Truncate the fractional part away.