Clipper
clipper_sysdep.h
1 
4 //C Copyright (C) 2000-2006 Kevin Cowtan and University of York
5 //L
6 //L This library is free software and is distributed under the terms
7 //L and conditions of version 2.1 of the GNU Lesser General Public
8 //L Licence (LGPL) with the following additional clause:
9 //L
10 //L `You may also combine or link a "work that uses the Library" to
11 //L produce a work containing portions of the Library, and distribute
12 //L that work under terms of your choice, provided that you give
13 //L prominent notice with each copy of the work that the specified
14 //L version of the Library is used in it, and that you include or
15 //L provide public access to the complete corresponding
16 //L machine-readable source code for the Library including whatever
17 //L changes were used in the work. (i.e. If you make changes to the
18 //L Library you must distribute those, but you do not need to
19 //L distribute source or object code to those portions of the work
20 //L not covered by this licence.)'
21 //L
22 //L Note that this clause grants an additional right and does not impose
23 //L any additional restriction, and so does not affect compatibility
24 //L with the GNU General Public Licence (GPL). If you wish to negotiate
25 //L other terms, please contact the maintainer.
26 //L
27 //L You can redistribute it and/or modify the library under the terms of
28 //L the GNU Lesser General Public License as published by the Free Software
29 //L Foundation; either version 2.1 of the License, or (at your option) any
30 //L later version.
31 //L
32 //L This library is distributed in the hope that it will be useful, but
33 //L WITHOUT ANY WARRANTY; without even the implied warranty of
34 //L MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
35 //L Lesser General Public License for more details.
36 //L
37 //L You should have received a copy of the CCP4 licence and/or GNU
38 //L Lesser General Public License along with this library; if not, write
39 //L to the CCP4 Secretary, Daresbury Laboratory, Warrington WA4 4AD, UK.
40 //L The GNU Lesser General Public can also be obtained by writing to the
41 //L Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston,
42 //L MA 02111-1307 USA
43 
44 
45 #ifndef CLIPPER_SYSDEP
46 #define CLIPPER_SYSDEP
47 
48 
49 /* cmath is so variable, that we ignore it and use the C version:
50  - include the math library
51  - mirror into the 'std' namespace as below:
52 */
53 
54 #if defined(sun) || defined(sgi) || defined(__osf__) || defined(_MSC_VER)
55 #include <stdlib.h>
56 #include <string.h>
57 #include <ctype.h>
58 #include <math.h>
59 #ifndef M_PI
60 #define M_PI 3.14159265358979
61 #endif
62 #define rint(x) (floor((x)+0.5))
63 namespace std { using ::floor; using ::ceil; using ::fabs; using ::fmod; using ::sqrt; using ::sin; using ::cos; using ::tan; using ::asin; using ::acos; using ::atan; using ::sinh; using ::cosh; using ::tanh; using ::atan2; using ::exp; using ::log; using ::pow; }
64 #else
65 #include <cmath>
66 #endif
67 
68 /* fixes for unexpected macros */
69 
70 #if defined(isnan)
71 #undef isnan
72 #endif
73 
74 
75 /* numeric types, for where they are critical */
76 
77 namespace clipper {
78  typedef float ftype32;
79  typedef double ftype64;
80  typedef int itype32;
81  typedef unsigned int uitype32;
82 # define CLIPPER_NAN_MASK_A_32 0x7f800000U
83 # define CLIPPER_NAN_MASK_B_32 0x007fffffU
84 # define CLIPPER_NULL_MASK_32 0x7fc00000U
85 #if defined(__osf__) || defined(__amd64__)
86  typedef long itype64;
87  typedef unsigned long uitype64;
88 # define CLIPPER_NAN_MASK_A_64 0x7ff0000000000000UL
89 # define CLIPPER_NAN_MASK_B_64 0x000fffffffffffffUL
90 # define CLIPPER_NULL_MASK_64 0x7ff8000000000000UL
91 #else
92  typedef long long itype64;
93  typedef unsigned long long uitype64;
94 # define CLIPPER_NAN_MASK_A_64 0x7ff0000000000000ULL
95 # define CLIPPER_NAN_MASK_B_64 0x000fffffffffffffULL
96 # define CLIPPER_NULL_MASK_64 0x7ff8000000000000ULL
97 #endif
98 }
99 
100 
101 /* threading libraries and definitions */
102 
103 #ifndef CLIPPER_DISABLE_THREADS
104 
105 #if defined(__WIN32__) || defined(_WIN32)
106 
107 #include <windows.h>
108 
109 // Through this header file, all windows macros are included in all programs
110 // that use clipper. Avoid some conflicts.
111 #undef small
112 #undef CompareString
113 #undef NO_ERROR
114 
115 #undef AddAtom
116 #define CLIPPER_MUTEX_INIT(MUTEX) InitializeCriticalSection(MUTEX)
117 #define CLIPPER_MUTEX_FREE(MUTEX) DeleteCriticalSection(MUTEX)
118 #define CLIPPER_MUTEX_LOCK(MUTEX) EnterCriticalSection(MUTEX)
119 #define CLIPPER_MUTEX_UNLK(MUTEX) LeaveCriticalSection(MUTEX)
120 #define CLIPPER_MUTEX_TYPE CRITICAL_SECTION
121 #define CLIPPER_THREAD_EXEC(THREAD,ENTRY,ARG) (THREAD=CreateThread(0,0,(LPTHREAD_START_ROUTINE)ENTRY,(void*)ARG,0,NULL),THREAD!=NULL)
122 #define CLIPPER_THREAD_JOIN(THREAD) (WaitForSingleObject(THREAD,INFINITE)>=0)
123 #define CLIPPER_THREAD_TYPE HANDLE
124 #define CLIPPER_THREAD_ARGTYPE LPVOID
125 #define CLIPPER_THREAD_RETTYPE DWORD
126 #else
127 
128 #include <pthread.h>
129 #define CLIPPER_MUTEX_INIT(MUTEX) pthread_mutex_init(MUTEX,NULL)
130 #define CLIPPER_MUTEX_FREE(MUTEX) pthread_mutex_destroy(MUTEX)
131 #define CLIPPER_MUTEX_LOCK(MUTEX) pthread_mutex_lock(MUTEX)
132 #define CLIPPER_MUTEX_UNLK(MUTEX) pthread_mutex_unlock(MUTEX)
133 #define CLIPPER_MUTEX_TYPE pthread_mutex_t
134 #define CLIPPER_THREAD_EXEC(THREAD,ENTRY,ARG) (pthread_create(&THREAD,NULL,ENTRY,(void*)ARG)==0)
135 #define CLIPPER_THREAD_JOIN(THREAD) (pthread_join(THREAD,NULL)==0)
136 #define CLIPPER_THREAD_TYPE pthread_t
137 #define CLIPPER_THREAD_ARGTYPE void*
138 #define CLIPPER_THREAD_RETTYPE void*
139 
140 #endif
141 #endif
142 
143 #endif