/[escript]/trunk/esysUtils/src/system_dep.h
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Contents of /trunk/esysUtils/src/system_dep.h

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Revision 779 - (show annotations)
Fri Jul 14 07:41:31 2006 UTC (13 years, 1 month ago) by woo409
File MIME type: text/plain
File size: 896 byte(s)
+ Updated compilation options for Cognac to squeeze out a bit more performance
+ Now compiles using the Intel Math headers (mathimf.h) rather than plain math.h on both Win32 and Linux platforms when using the Intel compiler. Gives a small boost to performance on Altix and is essential on Windows


1 /**
2 \file system_dep.h
3 \ingroup Other
4 */
5 //
6 // @(#) system_dep.h
7 //
8
9 #ifndef esysutils_system_dep_h
10 #define esysutils_system_dep_h
11
12 #ifdef __INTEL_COMPILER
13 // The Intel compiler on windows has an "improved" math library compared to the usual Visual C++ one
14 // In particular it has a acosh and other similar functions which aren't implemented in Visual C++ math.h
15 // Note you will get a compile time error if any other header (including system ones) includes math.h whilst mathimf.h
16 // has been included. As a result system_dep.h must be included FIRST at all times (this prevents math.h from being included).
17 #include <mathimf.h>
18 #else
19 #include <math.h>
20 #endif
21
22 #ifdef _WIN32
23
24 #ifndef INTERFACE_STATIC_LIB
25 #ifdef ESYSUTILS_EXPORTS
26 #define ESYSUTILS_DLL_API __declspec(dllexport)
27 #else
28 #define ESYSUTILS_DLL_API __declspec(dllimport)
29 #endif
30 #endif
31 #else
32 #define ESYSUTILS_DLL_API
33 #endif
34
35
36 #endif

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