223 lines
4.4 KiB
C

/*
* This file is part of RawTherapee.
*
* Copyright (c) 2004-2010 Gabor Horvath <hgabor@rawtherapee.com>
*
* RawTherapee is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* RawTherapee 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with RawTherapee. If not, see <http://www.gnu.org/licenses/>.
*/
#define SORT3(a1,a2,a3,b1,b2,b3) \
{ \
if ((a1)<(a2)) { \
if ((a2)<(a3)) { \
(b1) = (a1); (b2) = (a2); (b3) = (a3); \
} \
else if ((a1)<(a3)) { \
(b1) = (a1); (b2) = (a3); (b3) = (a2); \
} \
else { \
(b1) = (a3); (b2) = (a1); (b3) = (a2); \
} \
} \
else { \
if ((a3)<(a2)) { \
(b1) = (a3); (b2) = (a2); (b3) = (a1); \
} \
else if ((a3)<(a1)) { \
(b1) = (a2); (b2) = (a3); (b3) = (a1); \
} \
else { \
(b1) = (a2); (b2) = (a1); (b3) = (a3); \
} \
} \
}
#define MERGESORT(a1,a2,a3,b1,b2,b3,c1,c2,c3,c4,c5,c6) \
{\
if (a1<b1) { \
c1 = a1; \
if (a2<b1) { \
c2 = a2; \
if (a3<b1) { \
c3 = a3; c4 = b1; c5 = b2; c6 = b3;\
}\
else {\
c3 = b1;\
if (a3<b2) {\
c4 = a3; c5 = b2; c6 = b3;\
}\
else {\
c4 = b2;\
if (a3<b3) {\
c5 = a3; c6 = b3;\
}\
else {\
c5 = b3; c6 = a3;\
}\
}\
}\
}\
else {\
c2 = b1;\
if (a2<b2) {\
c3 = a2;\
if (a3<b2) {\
c4 = a3; c5 = b2; c6 = b3;\
}\
else {\
c4 = b2;\
if (a3<b3) {\
c5 = a3; c6 = b3;\
}\
else {\
c5 = b3; c6 = a3;\
}\
}\
}\
else {\
c3 = b2;\
if (a2<b3) {\
c4 = a2;\
if (a3<b3) {\
c5 = a3; c6 = b3;\
}\
else {\
c5 = b3; c6 = a3;\
}\
}\
else {\
c4 = b3; c5 = a2; c6 = a3;\
}\
}\
}\
}\
else {\
c1 = b1;\
if (a1<b2) {\
c2 = a1;\
if (a2<b2) {\
c3 = a2;\
if (a3<b2) {\
c4 = a3; c5 = b2; c6 = b3;\
}\
else {\
c4 = b2;\
if (a3<b3) {\
c5 = a3; c6 = b3;\
}\
else {\
c5 = b3; c6 = a3;\
}\
}\
}\
else {\
c3 = b2;\
if (a2<b3) {\
c4 = a2;\
if (a3<b3) {\
c5 = a3; c6 = b3;\
}\
else {\
c5 = b3; c6 = a3;\
}\
}\
else {\
c4 = b3; c5 = a2; c6 = a3;\
}\
}\
}\
else {\
c2 = b2;\
if (a1<b3) {\
c3 = a1;\
if (a2<b3) {\
c4 = a2;\
if (a3<b3) {\
c5 = a3; c6 = b3;\
}\
else {\
c5 = b3; c6 = a3;\
}\
}\
else {\
c4 = b3; c5 = a2; c6 = a3;\
}\
}\
else {\
c3 = b3; c4 = a1; c5 = a2; c6 = a3;\
}\
}\
}\
}
#define MEDIAN7(a1,a2,a3,b1,b2,b3,b4,median) \
{ \
if (a1<b1) {\
if (a2<b1) {\
if (a3<b1) \
median = b1; \
else {\
if (a3<b2) \
median = a3;\
else \
median = b2;\
}\
}\
else {\
if (a2<b2) {\
if (a3<b2) \
median = a3;\
else \
median = b2;\
}\
else {\
if (a2<b3) \
median = a2;\
else \
median = b3;\
}\
}\
}\
else {\
if (a1<b2) {\
if (a2<b2) {\
if (a3<b2) \
median = a3;\
else\
median = b2;\
}\
else {\
if (a2<b3)\
median = a2;\
else\
median = b3;\
}\
}\
else {\
if (a1<b3) {\
if (a2<b3)\
median = a2;\
else \
median = b3; \
}\
else {\
if (a1<b4) \
median = a1;\
else\
median = b4;\
} \
}\
}\
}