rtengine/minmax.h

   1 /*
   2  *  This file is part of RawTherapee.
   3  *
   4  *  Copyright (c) 2004-2010 Gabor Horvath <hgabor@rawtherapee.com>
   5  *
   6  *  RawTherapee is free software: you can redistribute it and/or modify
   7  *  it under the terms of the GNU General Public License as published by
   8  *  the Free Software Foundation, either version 3 of the License, or
   9  *  (at your option) any later version.
  10  *
  11  *  RawTherapee is distributed in the hope that it will be useful,
  12  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  *  GNU General Public License for more details.
  15  *
  16  *  You should have received a copy of the GNU General Public License
  17  *  along with RawTherapee.  If not, see <http://www.gnu.org/licenses/>.
  18  */
  19 #define MINMAX3(a,b,c,min,max) \
  20 { \
  21 if ((a)<(b)) { \
  22   if ((b)<(c)) { \
  23     (min) = (a); \
  24     (max) = (c); \
  25   } \
  26   else { \
  27     (max) = (b); \
  28     if ((a)<(c)) \
  29       (min) = (a); \
  30     else \
  31       (min) = (c); \
  32   } \
  33 } else { \
  34   if ((b)>(c)) { \
  35     (min) = (c); \
  36     (max) = (a); \
  37   } \
  38   else { \
  39     (min) = (b); \
  40     if ((a)>(c)) \
  41       (max) = (a); \
  42     else \
  43       (max) = (c); \
  44   } \
  45 } \
  46 }
  47
  48 #define MIN3(a,b,c,min) \
  49 { \
  50 if ((a)<(b)) { \
  51   if ((a)<(c))  \
  52     (min) = (a); \
  53   else  \
  54     (min) = (c); \
  55 } else { \
  56   if ((b)>(c))  \
  57     (min) = (c); \
  58   else \
  59     (min) = (b); \
  60 } \
  61 }
  62
  63 #define MAX3(a,b,c,min) \
  64 { \
  65 if ((a)>(b)) { \
  66   if ((a)>(c))  \
  67     (max) = (a); \
  68   else  \
  69     (max) = (c); \
  70 } else { \
  71   if ((b)<(c))  \
  72     (max) = (c); \
  73   else \
  74     (max) = (b); \
  75 } \
  76 }