opp_utils.cc

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00001 //
00002 // Copyright (C) 2005 Andras Varga
00003 //
00004 // This program is free software; you can redistribute it and/or
00005 // modify it under the terms of the GNU Lesser General Public License
00006 // as published by the Free Software Foundation; either version 2
00007 // of the License, or (at your option) any later version.
00008 //
00009 // This program 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
00012 // GNU Lesser General Public License for more details.
00013 //
00014 // You should have received a copy of the GNU Lesser General Public License
00015 // along with this program; if not, see <http://www.gnu.org/licenses/>.
00016 //
00017 
00018 
00019 #include "opp_utils.h"
00020 
00021 namespace OPP_Global
00022 {
00023 
00024 std::string ltostr(long i)
00025 {
00026     std::ostringstream os;
00027     os << i;
00028     return os.str();
00029 }
00030 
00031 std::string dtostr(double d)
00032 {
00033     std::ostringstream os;
00034     os << d;
00035     return os.str();
00036 }
00037 
00038 double atod(const char *s)
00039 {
00040     char *e;
00041     double d = ::strtod(s,&e);
00042     if (*e)
00043         throw cRuntimeError("invalid cast: '%s' cannot be interpreted as a double", s);
00044     return d;
00045 }
00046 
00047 unsigned long atoul(const char *s)
00048 {
00049     char *e;
00050     unsigned long d = ::strtoul(s,&e,10);
00051     if (*e)
00052         throw cRuntimeError("invalid cast: '%s' cannot be interpreted as an unsigned long", s);
00053     return d;
00054 }
00055 
00056 }