00001 // -*- C++ -*- 00002 /*************************************************************************** 00003 * 00004 * The IPPL Framework 00005 * 00006 * 00007 * Visit http://people.web.psi.ch/adelmann/ for more details 00008 * 00009 ***************************************************************************/ 00010 00011 #ifndef DCOMPLEX_H 00012 #define DCOMPLEX_H 00013 00014 /*********************************************************************** 00015 * 00016 * Work around the lack of draft standard complex<T> in all compilers. 00017 * Correctly declare a dcomplex typedef based on the compiler capabilities 00018 * and available C++ standard library. dcomplex is a complex number class 00019 * storing values as doubles. 00020 * 00021 ***********************************************************************/ 00022 00023 // include standard complex header file 00024 #ifdef IPPL_USE_STANDARD_HEADERS 00025 #include <complex> 00026 using namespace std; 00027 #else 00028 #include <complex.h> 00029 #endif 00030 00031 00032 #ifdef IPPL_HAS_TEMPLATED_COMPLEX 00033 00034 // KAI and others have a templated complex class 00035 #ifdef IPPL_USE_SINGLE_PRECISION 00036 typedef complex<float> dcomplex; 00037 #else // USE_DOUBLE_PRECISION 00038 typedef complex<double> dcomplex; 00039 #endif 00040 00041 typedef complex<float> fComplex; 00042 00043 #else 00044 00045 // This assumes that all other compilers have the old non-templated 00046 // complex type which is like complex<double> in the draft standard. 00047 typedef complex dcomplex; 00048 00049 #endif // IPPL_HAS_TEMPLATED_COMPLEX 00050 00051 #endif // DCOMPLEX_H 00052 00053 /*************************************************************************** 00054 * $RCSfile: dcomplex.h,v $ $Author: adelmann $ 00055 * $Revision: 1.1.1.1 $ $Date: 2003/01/23 07:40:24 $ 00056 * IPPL_VERSION_ID: $Id: dcomplex.h,v 1.1.1.1 2003/01/23 07:40:24 adelmann Exp $ 00057 ***************************************************************************/
1.3.5