src/mem/gems_common/util.hh

   1 /*
   2  * Copyright (c) 1999-2005 Mark D. Hill and David A. Wood
   3  * All rights reserved.
   4  *
   5  * Redistribution and use in source and binary forms, with or without
   6  * modification, are permitted provided that the following conditions are
   7  * met: redistributions of source code must retain the above copyright
   8  * notice, this list of conditions and the following disclaimer;
   9  * redistributions in binary form must reproduce the above copyright
  10  * notice, this list of conditions and the following disclaimer in the
  11  * documentation and/or other materials provided with the distribution;
  12  * neither the name of the copyright holders nor the names of its
  13  * contributors may be used to endorse or promote products derived from
  14  * this software without specific prior written permission.
  15  *
  16  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  17  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  18  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  19  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  20  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  21  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  22  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  23  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  24  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  25  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  26  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  27  */
  28
  29 /*
  30  * $Id$
  31  */
  32
  33 #ifndef UTIL_H
  34 #define UTIL_H
  35
  36 #include "mem/gems_common/std-includes.hh"
  37
  38 string string_split(string& str, char split_character);
  39 string bool_to_string(bool value);
  40 string int_to_string(int n, bool zero_fill = false, int width = 0);
  41 float string_to_float(string& str);
  42 int log_int(long long n);
  43 bool is_power_of_2(long long n);
  44
  45 // Min and Max functions (since they are extern inline, they are as
  46 // fast as macros)
  47
  48 extern inline
  49 int max(int n1, int n2)
  50 {
  51   if (n1 > n2) {
  52     return n1;
  53   } else {
  54     return n2;
  55   }
  56 }
  57
  58 extern inline
  59 int min(int n1, int n2)
  60 {
  61   if (n1 < n2) {
  62     return n1;
  63   } else {
  64     return n2;
  65   }
  66 }
  67
  68 #endif //UTIL_H