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[/] [scarts/] [trunk/] [toolchain/] [scarts-gcc/] [gcc-4.1.1/] [libstdc++-v3/] [testsuite/] [27_io/] [basic_ostream/] [inserters_arithmetic/] [char/] [6.cc] - Rev 19
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// 1999-11-15 Kevin Ediger <kediger@licor.com> // test the floating point inserters (facet num_put) // Copyright (C) 1999, 2002, 2003, 2005 Free Software Foundation, Inc. // // This file is part of the GNU ISO C++ Library. This library is free // software; you can redistribute it and/or modify it under the // terms of the GNU General Public License as published by the // Free Software Foundation; either version 2, or (at your option) // any later version. // This library is distributed in the hope that it will be useful, // but WITHOUT ANY WARRANTY; without even the implied warranty of // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the // GNU General Public License for more details. // You should have received a copy of the GNU General Public License along // with this library; see the file COPYING. If not, write to the Free // Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, // USA. #include <cmath> // for abs #include <cfloat> // for DBL_EPSILON #include <sstream> #include <limits> #include <testsuite_hooks.h> // libstdc++/9151 void test06() { using namespace std; bool test __attribute__((unused)) = true; int prec = numeric_limits<double>::digits10 + 2; double oval = numeric_limits<double>::min(); stringstream ostr; ostr.precision(prec); ostr << oval; string sval = ostr.str(); istringstream istr (sval); double ival; istr >> ival; VERIFY( abs(oval-ival)/oval < DBL_EPSILON ); } int main() { test06(); return 0; }