Qucs-core  0.0.19
fspecial.h
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00001 /*
00002  * fspecial.h - special functions definitions
00003  *
00004  * Copyright (C) 2006 Stefan Jahn <stefan@lkcc.org>
00005  *
00006  * This is free software; you can redistribute it and/or modify
00007  * it under the terms of the GNU General Public License as published by
00008  * the Free Software Foundation; either version 2, or (at your option)
00009  * any later version.
00010  *
00011  * This software is distributed in the hope that it will be useful,
00012  * but WITHOUT ANY WARRANTY; without even the implied warranty of
00013  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00014  * GNU General Public License for more details.
00015  *
00016  * You should have received a copy of the GNU General Public License
00017  * along with this package; see the file COPYING.  If not, write to
00018  * the Free Software Foundation, Inc., 51 Franklin Street - Fifth Floor,
00019  * Boston, MA 02110-1301, USA.
00020  *
00021  * $Id$
00022  *
00023  */
00024 
00025 #ifndef __FSPECIAL_H__
00026 #define __FSPECIAL_H__
00027 
00028 namespace fspecial {
00029 
00030 //#ifndef HAVE_ERF
00031   nr_double_t     erf (nr_double_t);
00032 //#endif
00033 //#ifndef HAVE_ERFC
00034   nr_double_t    erfc (nr_double_t);
00035 //#endif
00036   nr_double_t  erfinv (nr_double_t);
00037   nr_double_t erfcinv (nr_double_t);
00038   nr_double_t ltqnorm (nr_double_t);
00039   nr_double_t      i0 (nr_double_t);
00040 
00041   void        ellip_ke (nr_double_t, nr_double_t&, nr_double_t&);
00042   nr_double_t ellip_rf (nr_double_t, nr_double_t, nr_double_t);
00043   nr_double_t ellip_sncndn (nr_double_t, nr_double_t,
00044                             nr_double_t&, nr_double_t&, nr_double_t&);
00045 
00046 } // namespace
00047 
00048 #endif /* __FSPECIAL_H__ */