o_f_stream.C

Go to the documentation of this file.
00001 // The libMesh Finite Element Library.
00002 // Copyright (C) 2002-2012 Benjamin S. Kirk, John W. Peterson, Roy H. Stogner
00003 
00004 // This library is free software; you can redistribute it and/or
00005 // modify it under the terms of the GNU Lesser General Public
00006 // License as published by the Free Software Foundation; either
00007 // version 2.1 of the License, or (at your option) any later version.
00008 
00009 // This library is distributed in the hope that it will be useful,
00010 // but WITHOUT ANY WARRANTY; without even the implied warranty of
00011 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00012 // Lesser General Public License for more details.
00013 
00014 // You should have received a copy of the GNU Lesser General Public
00015 // License along with this library; if not, write to the Free Software
00016 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
00017 
00018 
00019 
00020 // C++ includes
00021 
00022 
00023 // Local Includes
00024 #include "libmesh/o_f_stream.h"
00025 
00026 /*
00027  * This class is only alive when iostream is broken
00028  */
00029 #ifdef LIBMESH_BROKEN_IOSTREAM
00030 
00031 
00032 namespace libMesh
00033 {
00034 
00035 
00036 // the template for reals
00037 template <typename T>
00038 OFStream& OFStream::scientific (const sizetype w,
00039                                 const T r)
00040 {
00041   libmesh_assert_less (w, 30);
00042   char buf[30];
00043   char format[8];
00044   // form the format for r
00045   sprintf (format, "%%%de", w);
00046   // form string as desired
00047   sprintf (buf, format, r);
00048   *this << buf;
00049   return *this;
00050 }
00051 
00052 
00053 
00054 // full specialization in case of complex numbers
00055 #if defined(LIBMESH_USE_COMPLEX_NUMBERS)
00056 
00057 template <>
00058 OFStream& OFStream::scientific (const sizetype w,
00059                                 const Complex r)
00060 {
00061   libmesh_assert_less (w, 30);
00062   char buf[60];
00063   char format[16];
00064   // form the format for r
00065   sprintf (format, "%%%de %%%de", w, w);
00066   // form string as desired
00067   sprintf (buf, format, r.real(), r.imag());
00068   *this << buf;
00069   return *this;
00070 }
00071 
00072 #endif // if defined(LIBMESH_USE_COMPLEX_NUMBERS)
00073 
00074 
00075 
00076 //--------------------------------------------------------------
00077 // Explicit instantiations for reals
00078 template OFStream& OFStream::scientific (const sizetype w,
00079                                          const double r);
00080 
00081 template OFStream& OFStream::scientific (const sizetype w,
00082                                          const float r);
00083 
00084 } // namespace libMesh
00085 
00086 
00087 
00088 #endif // ifdef LIBMESH_BROKEN_IOSTREAM
Site Created By: libMesh Developers
Last modified: February 05 2013 19:54:48 UTC

Hosted By: