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copasi API
0.1
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copasi/mathematics.h
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00001 /* Begin CVS Header 00002 $Source: /fs/turing/cvs/copasi_dev/copasi/mathematics.h,v $ 00003 $Revision: 1.7 $ 00004 $Name: Build-33 $ 00005 $Author: shoops $ 00006 $Date: 2006/04/27 01:34:21 $ 00007 End CVS Header */ 00008 00009 // Copyright © 2005 by Pedro Mendes, Virginia Tech Intellectual 00010 // Properties, Inc. and EML Research, gGmbH. 00011 // All rights reserved. 00012 00013 #ifndef COPASI_mathematics 00014 #define COPASI_mathematics 00015 00016 #include <math.h> 00017 #ifndef M_PI 00018 #define M_PI 3.14159265358979323846 /* pi */ 00019 #endif 00020 #ifndef M_E 00021 #define M_E 2.7182818284590452354 /* e */ 00022 #endif 00023 00024 #ifdef WIN32 // These are not part of ANSI C and Visual C++ 6.0 misses them. 00025 00026 #ifndef CYGWIN 00027 static inline double asinh(double value) 00028 {return log(value + sqrt(value * value + 1.0));} 00029 00030 static inline double acosh(double value) 00031 {return log(value + sqrt(value * value - 1.0));} 00032 00033 static inline double atanh(double value) 00034 {return (.5 * log((1.0 + value) / (1.0 - value)));} 00035 #endif //CYGWIN 00036 00037 #endif // WIN32 00038 00039 #endif // COPASI_mathematics
