URL
https://opencores.org/ocsvn/scarts/scarts/trunk
Subversion Repositories scarts
[/] [scarts/] [trunk/] [toolchain/] [scarts-gcc/] [gcc-4.1.1/] [libstdc++-v3/] [testsuite/] [26_numerics/] [complex/] [complex_inserters_extractors.cc] - Rev 19
Compare with Previous | Blame | View Log
// 2000-02-10 // Petter Urkedal <petter@matfys.lth.se> // Copyright (C) 2000, 2003 Free Software Foundation // // 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 <iostream> #include <string> #include <sstream> #include <complex> #include <testsuite_hooks.h> #include <cmath> template<typename R> inline bool flteq(R x, R y) { if (x == R(0)) return y == R(0); else return std::fabs(x-y) < 1e-6*std::fabs(x); } template<typename R> int test_good(std::string str, R x, R y) { bool test __attribute__((unused)) = true; std::complex<R> z; char ch; std::istringstream iss(str); iss >> z >> ch; VERIFY( iss.good() ); VERIFY( flteq(z.real(), x) ); VERIFY( flteq(z.imag(), y) ); VERIFY( ch == '#' ); return 0; } template<typename R> int test_fail(std::string str) { bool test __attribute__((unused)) = true; std::complex<R> z; std::istringstream iss(str); iss >> z; VERIFY( iss.fail() && !iss.bad() ); return 0; } template<typename R> int testall() { test_good<R>("(-1.1,3.7)#", -1.1, 3.7); test_good<R>("( .7e6 , \n-3.1)#", .7e6, -3.1); test_good<R>("(\t0,-1)#", 0.0, -1.0); test_good<R>("(-3.14)#", -3.14, 0.0); test_good<R>("-.1#", -.1, 0.0); test_good<R>(" ( -2.7e3 )#", -2.7e3, 0.0); test_good<R>(" -.1#", -.1, 0.0); test_fail<R>("(a,1)"); test_fail<R>("(,1)"); test_fail<R>("(1,a)"); test_fail<R>("(1, )"); test_fail<R>("|1,1)"); test_fail<R>("(1|1)"); test_fail<R>("(1,1|"); return 0; } // libstdc++/2970 void test01() { using namespace std; bool test __attribute__((unused)) = true; complex<float> cf01(-1.1, -333.2); stringstream ss; ss << cf01; string str = ss.str(); VERIFY( str == "(-1.1,-333.2)" ); } // libstdc++/2985 struct gnu_char_traits : public std::char_traits<char> { }; typedef std::basic_ostringstream<char, gnu_char_traits> gnu_sstream; template class std::basic_string<char, gnu_char_traits, std::allocator<char> >; void test02() { bool test __attribute__((unused)) = true; // Construct locale with specialized facets. typedef gnu_sstream::__num_put_type numput_type; typedef gnu_sstream::__num_get_type numget_type; std::locale loc_c = std::locale::classic(); std::locale loc_1(loc_c, new numput_type); std::locale loc_2(loc_1, new numget_type); VERIFY( std::has_facet<numput_type>(loc_2) ); VERIFY( std::has_facet<numget_type>(loc_2) ); gnu_sstream sstr; sstr.imbue(loc_2); std::complex<double> x(3, 4); sstr << x; VERIFY( sstr.str() == "(3,4)" ); } int main() { testall<float>(); testall<double>(); testall<long double>(); test01(); test02(); return 0; }