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/******************************************************* |
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* |
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* Copyright (c) 2003-2008 by University of Queensland |
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* Earth Systems Science Computational Center (ESSCC) |
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* http://www.uq.edu.au/esscc |
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* |
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* Primary Business: Queensland, Australia |
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* Licensed under the Open Software License version 3.0 |
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* http://www.opensource.org/licenses/osl-3.0.php |
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* |
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*******************************************************/ |
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/** |
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\file system_dep.h |
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\ingroup Other |
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*/ |
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/* |
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@(#) system_dep.h |
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*/ |
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|
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#ifndef escript_system_dep_h |
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#define escript_system_dep_h |
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|
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|
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#ifdef NO_FLOAT_H |
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# define DBL_EPSILON 2.2204460492503131E-16 |
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# define DBL_MAX 1.7976931348623157E+308 |
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# define DBL_MIN 2.2250738585072014E-308 |
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#else /* for the rest of the world */ |
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# include <float.h> |
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#endif |
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#include <limits.h> |
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#if defined(_WIN32) && defined(__INTEL_COMPILER) |
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/* |
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The Intel compiler on windows has an "improved" math library compared to the usual Visual C++ one |
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In particular it has a acosh and other similar functions which aren't implemented in Visual C++ math.h |
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Note you will get a compile time error if any other header (including system ones) includes math.h whilst mathimf.h |
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has been included. As a result system_dep.h must be included FIRST at all times (this prevents math.h from being included). |
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*/ |
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# include <mathimf.h> |
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# else |
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# include <math.h> |
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# endif |
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|
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#ifndef M_PI |
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# define M_PI 3.14159265358979323846 |
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#endif |
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|
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#ifndef SQRT_DBL_EPSILON |
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# define SQRT_DBL_EPSILON 1.4901161193847656e-08 |
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#endif |
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|
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#ifndef M_LN2 |
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# define M_LN2 0.69314718055994530942 /* log_e 2 */ |
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#endif |
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#define ESCRIPT_DLL_API |
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|
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#ifdef _WIN32 |
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# ifndef INTERFACE_STATIC_LIB |
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# undef ESCRIPT_DLL_API |
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# ifdef ESCRIPT_EXPORTS |
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# define ESCRIPT_DLL_API __declspec(dllexport) |
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# else |
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# define ESCRIPT_DLL_API __declspec(dllimport) |
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# endif |
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# endif |
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#endif |
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|
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/* you'll need this one day. */ |
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#ifndef __const |
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# if (defined __STDC__ && __STDC__) || defined __cplusplus |
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# define __const const |
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# else |
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# define __const |
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# endif |
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#endif |
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|
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#endif |
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