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// 2000-02-10
// Petter Urkedal <petter@matfys.lth.se>
// Copyright (C) 2000-2015 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 3, 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 COPYING3. If not see
// <http://www.gnu.org/licenses/>.
#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;
}
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