/[escript]/trunk/esysUtils/src/maths.h
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Annotation of /trunk/esysUtils/src/maths.h

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Revision 730 - (hide annotations)
Mon May 15 04:03:49 2006 UTC (13 years, 4 months ago) by bcumming
Original Path: trunk/paso/src/Common.h
File MIME type: text/plain
File size: 4761 byte(s)


1 jgs 150 /* $Id$ */
2    
3 dhawcroft 631 /*
4     ********************************************************************************
5 dhawcroft 633 * Copyright 2006 by ACcESS MNRF *
6 dhawcroft 631 * *
7     * http://www.access.edu.au *
8     * Primary Business: Queensland, Australia *
9     * Licensed under the Open Software License version 3.0 *
10     * http://www.opensource.org/licenses/osl-3.0.php *
11     ********************************************************************************
12     */
13    
14 jgs 150 #ifndef INC_PASO_COMMON
15     #define INC_PASO_COMMON
16    
17 gross 584
18    
19 jgs 150 /**************************************************************/
20    
21     /* Finley finite element solver: common include file */
22    
23     /**************************************************************/
24    
25     /* Copyrights by ACcESS Australia, 2003 */
26     /* Version: $Id$ */
27    
28     /**************************************************************/
29    
30     /* some system values */
31    
32     #include <float.h>
33     #include <stdio.h>
34     #include <limits.h>
35     #include <stdlib.h>
36     #include <string.h>
37     #include <math.h>
38    
39     #define LenString_MAX FILENAME_MAX*2
40     #define LenErrorMsg_MAX LenString_MAX
41    
42     /* on some arcitectures it could be a good idea to use long rather than int */
43     /* this has not really been tested */
44    
45     typedef int dim_t;
46     typedef int index_t;
47     typedef int bool_t;
48     typedef int type_t;
49     typedef int err_t;
50    
51     #define INDEX_T_MAX INT_MAX
52     #define EPSILON DBL_EPSILON
53    
54     /**************************************************************/
55    
56     /* some useful functions: */
57    
58     #define FALSE 0
59     #define TRUE 1
60     #define UNKNOWN -1
61     #define DBLE(_x_) (double)(_x_)
62     #define INDEX1(_X1_) (_X1_)
63     #define INDEX2(_X1_,_X2_,_N1_) ((_X1_)+(_N1_)*(_X2_))
64     #define INDEX3(_X1_,_X2_,_X3_,_N1_,_N2_) ((_X1_)+(_N1_)*INDEX2(_X2_,_X3_,_N2_))
65     #define INDEX4(_X1_,_X2_,_X3_,_X4_,_N1_,_N2_,_N3_) ((_X1_)+(_N1_)*INDEX3(_X2_,_X3_,_X4_,_N2_,_N3_))
66     #define INDEX5(_X1_,_X2_,_X3_,_X4_,_X5_,_N1_,_N2_,_N3_,_N4_) ((_X1_)+(_N1_)*INDEX4(_X2_,_X3_,_X4_,_X5_,_N2_,_N3_,_N4_))
67     #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_))
68    
69     #define MAX(_arg1_,_arg2_) ((_arg1_)>(_arg2_) ? (_arg1_) : (_arg2_))
70     #define MIN(_arg1_,_arg2_) ((_arg1_)>(_arg2_) ? (_arg2_) : (_arg1_))
71     #define ABS(_arg_) MAX((_arg_),-(_arg_))
72     /**************************************************************/
73    
74     /* memory allocation: */
75    
76     #define TMPMEMALLOC(_LENGTH_,_TYPE_) (_TYPE_*) malloc(((size_t)(_LENGTH_))*sizeof(_TYPE_))
77     #define TMPMEMFREE(_PTR_) if ((void *)(_PTR_) != NULL ) { free(_PTR_); (_PTR_) = NULL; }
78     #ifdef __ECC
79 bcumming 730 //#define MEMALLOC(_LENGTH_,_TYPE_) (_TYPE_*) malloc(((size_t)(_LENGTH_))*sizeof(_TYPE_)); if( !(_LENGTH_) ) printf( "Trying malloc(0) at %s %d\n", __FILE__, __LINE__ ); //else printf( "malloc(%d) at %s %d\n", _LENGTH_, __FILE__, __LINE__ );
80 jgs 150 #define MEMALLOC(_LENGTH_,_TYPE_) (_TYPE_*) malloc(((size_t)(_LENGTH_))*sizeof(_TYPE_))
81     #define MEMFREE(_PTR_) if ((void *)(_PTR_) != NULL ) { free(_PTR_); (_PTR_) = NULL; }
82     #ifdef _OPENMP
83     #define THREAD_MEMALLOC(_LENGTH_,_TYPE_) (_TYPE_*) kmp_malloc(((size_t)(_LENGTH_))*sizeof(_TYPE_))
84     #define THREAD_MEMFREE(_PTR_) if ((void *)(_PTR_) != NULL ) { kmp_free(_PTR_); (_PTR_) = NULL; }
85     #else
86     #define THREAD_MEMALLOC(_LENGTH_,_TYPE_) TMPMEMALLOC(_LENGTH_,_TYPE_)
87     #define THREAD_MEMFREE(_PTR_) TMPMEMFREE(_PTR_)
88     #endif
89 bcumming 730 #define MEMREALLOC(_POINTER_,_LENGTH_,_TYPE_) if( (_POINTER_)!=NULL ){ _POINTER_ = (_TYPE_*)realloc((void*)(_POINTER_),((size_t)(_LENGTH_))*sizeof(_TYPE_) ); }else{ _POINTER_ = (_TYPE_*)malloc( ((size_t)(_LENGTH_))*sizeof(_TYPE_) ); }
90    
91 jgs 150 #else
92     #define MEMALLOC(_LENGTH_,_TYPE_) (_TYPE_*) malloc(((size_t)(_LENGTH_))*sizeof(_TYPE_))
93     #define MEMFREE(_PTR_) if ((void *)(_PTR_) != NULL ) { free(_PTR_); (_PTR_) = NULL; }
94     #define THREAD_MEMALLOC(_LENGTH_,_TYPE_) TMPMEMALLOC(_LENGTH_,_TYPE_)
95     #define THREAD_MEMFREE(_PTR_) TMPMEMFREE(_PTR_)
96 bcumming 730 #define MEMREALLOC(_POINTER_,_LENGTH_,_TYPE_) if( (_POINTER_)!=NULL ){ _POINTER_ = (_TYPE_*)realloc((void*)(_POINTER_),((size_t)(_LENGTH_))*sizeof(_TYPE_) ); }else{ _POINTER_ = (_TYPE_*)malloc( ((size_t)(_LENGTH_))*sizeof(_TYPE_) ); }
97 jgs 150 #endif
98    
99     #endif /* #ifndef INC_PASO_COMMON */
100    
101     /*
102     * $Log$
103     * Revision 1.2 2005/09/15 03:44:38 jgs
104     * Merge of development branch dev-02 back to main trunk on 2005-09-15
105     *
106     * Revision 1.1.2.1 2005/09/05 06:29:46 gross
107     * These files have been extracted from finley to define a stand alone libray for iterative
108     * linear solvers on the ALTIX. main entry through Paso_solve. this version compiles but
109     * has not been tested yet.
110     *
111     *
112     */

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