ESYS13: index.h Source File

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00001 
00002 /*******************************************************
00003 *
00004 * Copyright (c) 2003-2010 by University of Queensland
00005 * Earth Systems Science Computational Center (ESSCC)
00006 * http://www.uq.edu.au/esscc
00007 *
00008 * Primary Business: Queensland, Australia
00009 * Licensed under the Open Software License version 3.0
00010 * http://www.opensource.org/licenses/osl-3.0.php
00011 *
00012 *******************************************************/
00013 
00014 
00015 #ifndef INC_ESYS_INDEX
00016 #define INC_ESYS_INDEX
00017 
00018 /**************************************************************/
00019 
00020 /*    Macros for array indexing       */
00021 
00022 /**************************************************************/
00023 
00024 /**************************************************************/
00025 
00026 /*   some useful functions: */
00027 
00028 #include <limits.h>
00029 
00030 
00031 #define FALSE 0
00032 #define TRUE 1
00033 #define UNKNOWN -1
00034 #define DBLE(_x_) (double)(_x_)
00035 #define INDEX1(_X1_) (_X1_)
00036 #define INDEX2(_X1_,_X2_,_N1_) ((_X1_)+(_N1_)*(_X2_))
00037 #define INDEX3(_X1_,_X2_,_X3_,_N1_,_N2_) ((_X1_)+(_N1_)*INDEX2(_X2_,_X3_,_N2_))
00038 #define INDEX4(_X1_,_X2_,_X3_,_X4_,_N1_,_N2_,_N3_) ((_X1_)+(_N1_)*INDEX3(_X2_,_X3_,_X4_,_N2_,_N3_))
00039 #define INDEX5(_X1_,_X2_,_X3_,_X4_,_X5_,_N1_,_N2_,_N3_,_N4_) ((_X1_)+(_N1_)*INDEX4(_X2_,_X3_,_X4_,_X5_,_N2_,_N3_,_N4_))
00040 #define INDEX6(_X1_,_X2_,_X3_,_X4_,_X5_,_X6_,_N1_,_N2_,_N3_,_N4_,_N5_) ((_X1_)+(_N1_)*INDEX5(_X2_,_X3_,_X4_,_X5_,_X6_,_N2_,_N3_,_N4_,_N5_))
00041 
00042 #define MAX(_arg1_,_arg2_) ((_arg1_)>(_arg2_) ?  (_arg1_) : (_arg2_))
00043 #define MAX3(_arg1_,_arg2_,_arg3_) MAX(_arg1_,MAX(_arg2_,_arg3_))
00044 #define MIN(_arg1_,_arg2_) ((_arg1_)>(_arg2_) ?  (_arg2_) : (_arg1_)) 
00045 #define MIN3(_arg1_,_arg2_,_arg3_) MIN(_arg1_,MIN(_arg2_,_arg3_))
00046 #define ABS(_arg_) MAX((_arg_),-(_arg_))
00047 #define SIGN(_arg_) ((_arg_)>0 ?  1  : ((_arg_)<0 ? -1 : 0 ))
00048 #define SAMESIGN(_arg1_, _arg2_) ( ( ( (_arg1_)>=0 ) && ( (_arg2_)>=0 ) ) || ( ((_arg1_)<=0 ) && ( (_arg2_)<=0 ) ) )
00049 #define SWAP(_a0_,_a1_,_type_) { \
00050                                 _type_ s; \
00051                                 s=(_a0_); \
00052                                 _a0_= (_a1_); \
00053                                 _a1_=s; \
00054                                }
00055 #define XNOR(_a0_,_a1_) ( ( (_a0_) && (_a1_) ) || ( !(_a0_) && !(_a1_) ) )
00056 
00057 #define INDEX_T_MAX INT_MAX
00058 #define INDEX_T_MIN -INT_MAX
00059 
00060 #endif