/[escript]/trunk/paso/src/Common.h
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Contents of /trunk/paso/src/Common.h

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Revision 2881 - (show annotations)
Thu Jan 28 02:03:15 2010 UTC (9 years, 7 months ago) by jfenwick
File MIME type: text/plain
File size: 8413 byte(s)
Don't panic.
Updating copyright stamps

1
2 /*******************************************************
3 *
4 * Copyright (c) 2003-2010 by University of Queensland
5 * Earth Systems Science Computational Center (ESSCC)
6 * http://www.uq.edu.au/esscc
7 *
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
15 #ifndef INC_PASO_COMMON
16 #define INC_PASO_COMMON
17
18 /**************************************************************/
19
20 /* Finley finite element solver: common include file */
21
22 /**************************************************************/
23
24 /* Copyrights by ACcESS Australia, 2003 */
25 /* Version: $Id$ */
26
27 /**************************************************************/
28
29 /* some system values */
30 /* FIXME: This is not satisfactory. */
31 /* _ECC, __INTEL_COMPILER, and other */
32 /* intel compiler pre-defines need to be handled */
33 /* (__ICL, __ICC come to mind) */
34 #if defined(_WIN32) && defined(__INTEL_COMPILER)
35 #include <mathimf.h>
36 #else
37 #include <math.h>
38 #endif
39
40 #if (defined __OPENMP)
41 #include <omp.h>
42 #endif
43
44 #include <float.h>
45 #include <stdio.h>
46 #include <limits.h>
47 #include <stdlib.h>
48 #include <string.h>
49
50 #define LenString_MAX FILENAME_MAX*2
51 #define LenErrorMsg_MAX LenString_MAX
52
53 /* on some arcitectures it could be a good idea to use long rather than int */
54 /* this has not really been tested */
55
56 typedef int dim_t;
57 typedef int index_t;
58 typedef int bool_t;
59 typedef int type_t;
60 typedef int err_t;
61
62 #define INDEX_T_MAX INT_MAX
63 #define INDEX_T_MIN -INT_MAX
64 #define EPSILON DBL_EPSILON
65 #define LARGE_POSITIVE_FLOAT DBL_MAX
66 #define SMALL_NEGATIVE_FLOAT -DBL_MAX
67 /*#ifndef NAN
68 #define NAN (0.0/0.0)
69 #endif
70 */
71 /*#define IS_NAN(__VAL__) ( (__VAL__) == NAN )*/ /* this does not work */
72 /* #define IS_NAN(__VAL__) ( ! ( ( (__VAL__) >= 0. ) || ( (__VAL__) <= 0. ) ) ) this does not work */
73
74 #ifdef isnan
75 #define IS_NAN(__VAL__) (isnan(__VAL__))
76 #else
77 /* If we do not have isnan then we can't reliably check for NaN - return false */
78 #define IS_NAN(__VAL__) (0)
79 #endif
80
81 /**************************************************************/
82
83 /* some useful functions: */
84
85 #define FALSE 0
86 #define TRUE 1
87 #define UNKNOWN -1
88 #define DBLE(_x_) (double)(_x_)
89 #define INDEX1(_X1_) (_X1_)
90 #define INDEX2(_X1_,_X2_,_N1_) ((_X1_)+(_N1_)*(_X2_))
91 #define INDEX3(_X1_,_X2_,_X3_,_N1_,_N2_) ((_X1_)+(_N1_)*INDEX2(_X2_,_X3_,_N2_))
92 #define INDEX4(_X1_,_X2_,_X3_,_X4_,_N1_,_N2_,_N3_) ((_X1_)+(_N1_)*INDEX3(_X2_,_X3_,_X4_,_N2_,_N3_))
93 #define INDEX5(_X1_,_X2_,_X3_,_X4_,_X5_,_N1_,_N2_,_N3_,_N4_) ((_X1_)+(_N1_)*INDEX4(_X2_,_X3_,_X4_,_X5_,_N2_,_N3_,_N4_))
94 #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_))
95
96 #define MAX(_arg1_,_arg2_) ((_arg1_)>(_arg2_) ? (_arg1_) : (_arg2_))
97 #define MAX3(_arg1_,_arg2_,_arg3_) MAX(_arg1_,MAX(_arg2_,_arg3_))
98 #define MIN(_arg1_,_arg2_) ((_arg1_)>(_arg2_) ? (_arg2_) : (_arg1_))
99 #define MIN3(_arg1_,_arg2_,_arg3_) MIN(_arg1_,MIN(_arg2_,_arg3_))
100 #define ABS(_arg_) MAX((_arg_),-(_arg_))
101 #define SIGN(_arg_) ((_arg_)>0 ? 1 : ((_arg_)<0 ? -1 : 0 ))
102 #define SWAP(_a0_,_a1_,_type_) { \
103 _type_ s; \
104 s=(_a0_); \
105 _a0_= (_a1_); \
106 _a1_=s; \
107 }
108 #define XNOR(_a0_,_a1_) ( ( (_a0_) && (_a1_) ) || ( !(_a0_) && !(_a1_) ) )
109 /**************************************************************/
110 /* memory allocation: */
111 /* Wise to not use PASO_MALLOC/FREE/REALLOC and */
112 /* PASO_THREAD... directly. These are only for tailoring */
113 /* the main macros that follow */
114 /**************************************************************/
115
116 #if defined(_WIN32) /* Use python for memory management on windows. */
117
118 #include <python.h>
119
120 #define PASO_MALLOC PyMem_Malloc
121 #define PASO_FREE PyMem_Free
122 #define PASO_REALLOC PyMem_Realloc
123
124 #else
125
126 #include <stdlib.h>
127
128 #define PASO_MALLOC malloc
129 #define PASO_FREE free
130 #define PASO_REALLOC realloc
131
132 #endif
133
134 #ifndef __const
135 # if (defined __STDC__ && __STDC__)
136 # define __const const
137 # else
138 # define __const
139 # endif
140 #endif
141
142
143 /* FIXME: This is not satisfactory. */
144 /* _ECC, __INTEL_COMPILER, and other */
145 /* intel compiler pre-defines need to be handled */
146 /* (__ICL, __ICC come to mind) */
147 /* Also, _WIN32 may take this branch one day... */
148 /* SO KEEP ALL THREAD_MEMALLOC/FREEs CONFINED TO THE PASO LIBRARY. */
149
150 #if defined(__ECC) && defined(_OPENMP) /* ECC version of intel compiler with openmp. */
151 #include <omp.h>
152 #define PASO_THREAD_MALLOC kmp_malloc
153 #define PASO_THREAD_FREE kmp_free
154 #else
155 #define PASO_THREAD_MALLOC PASO_MALLOC
156 #define PASO_THREAD_FREE PASO_FREE
157 #endif
158
159
160 /* Prepare for the day that this becomes sharable. */
161 /* and we wish to do multi-file optimisations on windows */
162
163 #define PASO_DLL_API
164
165 #ifdef _WIN32
166 # ifndef PASO_STATIC_LIB
167 # undef PASO_DLL_API
168 # ifdef PASO_EXPORTS
169 # define PASO_DLL_API __declspec(dllexport)
170 # else
171 # define PASO_DLL_API __declspec(dllimport)
172 # endif
173 # endif
174 #endif
175
176
177 /******************The main macros ************************************/
178
179 #define MEMALLOC(_LENGTH_,_TYPE_) \
180 (_TYPE_*) PASO_MALLOC(((size_t)(_LENGTH_))*sizeof(_TYPE_))
181
182 /* do {} while(0) - an old trick for bracketing a macro that */
183 /* makes sure a semi-colon does no harm. */
184
185 #define MEMFREE(_PTR_) \
186 do \
187 { \
188 if ((void *)(_PTR_) != NULL ) { PASO_FREE(_PTR_); (_PTR_) = NULL; } \
189 } while(0)
190
191 #define MEMREALLOC(_RETP_,_POINTER_,_LENGTH_,_TYPE_) \
192 do \
193 { \
194 if( (_POINTER_)!=NULL ) \
195 { \
196 _RETP_ = (_TYPE_*)PASO_REALLOC((void*)(_POINTER_), \
197 ((size_t)(_LENGTH_))*sizeof(_TYPE_) ); \
198 } \
199 else \
200 { \
201 _RETP_ = (_TYPE_*)PASO_MALLOC( ((size_t)(_LENGTH_))*sizeof(_TYPE_) ); \
202 } \
203 } while(0)
204
205 #define TMPMEMALLOC MEMALLOC
206 #define TMPMEMFREE MEMFREE
207 #define TMPMEMREALLOC MEMREALLOC
208
209 #define THREAD_MEMALLOC(_LENGTH_,_TYPE_) \
210 (_TYPE_*) PASO_THREAD_MALLOC/**/(((size_t)(_LENGTH_))*sizeof(_TYPE_))
211
212 #define THREAD_MEMFREE(_PTR_) \
213 do \
214 { \
215 if ((void *)(_PTR_) != NULL ) { PASO_THREAD_FREE(_PTR_); (_PTR_) = NULL; } \
216 } while(0)
217
218
219 /*
220 This was useful for seeing what memory is being allocated if you get an "Out of memory" error
221 if used again, bracket with do {} while(0)
222 #define TMPMEMALLOC(_LENGTH_,_TYPE_) (printf("TMPMEMALLOC at %s %d #bytes=%d*%d=%d\n", __FILE__, __LINE__, _LENGTH_, sizeof(_TYPE_), ((size_t)(_LENGTH_) * sizeof(_TYPE_))) , (_TYPE_*) malloc(((size_t)(_LENGTH_))*sizeof(_TYPE_)))
223
224 This was useful for seeing where memory is being freed if you get an "glibc detected...free" error
225 if used again, bracket with do {} while(0)
226 #define TMPMEMFREE(_PTR_) if ((void *)(_PTR_) != NULL ) { printf("TMPMEMFREE AAA %s %d\n", __FILE__, __LINE__); free(_PTR_); (_PTR_) = NULL; printf("TMPMEMFREE BBB %s %d\n", __FILE__, __LINE__); }
227 */
228
229 #endif /* #ifndef INC_PASO_COMMON */

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