2014-10-06 Rüdiger Sonderfeld <ruediger@c-plusplus.de>

	    Jonathan Wakely  <jwakely@redhat.com>

	PR libstdc++/59987
	* doc/xml/manual/status_cxx2011.xml: Remove hexfloat from notes.
	* doc/html/manual/status.html: Regenerate.
	* include/bits/ios_base.h (hexfloat): New function.
	(defaultfloat): New function.
	* src/c++98/locale_facets.cc (__num_base::_S_format_float): Support
	hexadecimal floating point format.
	* testsuite/27_io/basic_ostream/inserters_arithmetic/char/hexfloat.cc:
	New file.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@215952 138bc75d-0d04-0410-961f-82ee72b054a4

1 files changed, 152 insertions, 0 deletions

diff --git a/libstdc++-v3/testsuite/27_io/basic_ostream/inserters_arithmetic/char/hexfloat.cc b/libstdc++-v3/testsuite/27_io/basic_ostream/inserters_arithmetic/char/hexfloat.cc
new file mode 100644
index 00000000000..485a485f100
--- /dev/null
+++ b/libstdc++-v3/testsuite/27_io/basic_ostream/inserters_arithmetic/char/hexfloat.cc
@@ -0,0 +1,152 @@
+// { dg-options "-std=gnu++11" }
+
+// 2014-03-27 Rüdiger Sonderfeld
+// test the hexadecimal floating point inserters (facet num_put)
+
+// Copyright (C) 2014 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 <iomanip>
+#include <sstream>
+#include <string>
+#include <testsuite_hooks.h>
+
+#ifndef _GLIBCXX_ASSERT
+#  define TEST_NUMPUT_VERBOSE 1
+#endif
+
+#ifdef TEST_NUMPUT_VERBOSE
+#  include <iostream>
+#endif
+
+using namespace std;
+
+void
+test01()
+{
+  ostringstream os;
+  double d = 272.; // 0x1.1p+8;
+#ifdef TEST_NUMPUT_VERBOSE
+  cout << os.precision() << endl;
+#endif
+  os << hexfloat << setprecision(1);
+  os << d;
+#ifdef TEST_NUMPUT_VERBOSE
+  cout << "got: " << os.str() << endl;
+#endif
+  VERIFY( os && std::stod(os.str()) == d );
+  VERIFY( os.str().substr(0, 2) == "0x" );
+  VERIFY( os.str().find('p') != std::string::npos );
+
+  os.str("");
+  os << uppercase << d;
+#ifdef TEST_NUMPUT_VERBOSE
+  cout << "got: " << os.str() << endl;
+#endif
+  VERIFY( os && std::stod(os.str()) == d );
+  VERIFY( os.str().substr(0, 2) == "0X" );
+  VERIFY( os.str().find('P') != std::string::npos );
+
+  os << nouppercase;
+  os.str("");
+  os << defaultfloat << setprecision(6);
+  os << d;
+#ifdef TEST_NUMPUT_VERBOSE
+  cout << "got: " << os.str() << endl;
+#endif
+  VERIFY( os && os.str() == "272" );
+
+  os.str("");
+  d = 15.; //0x1.ep+3;
+  os << hexfloat << setprecision(1);
+  os << d;
+#ifdef TEST_NUMPUT_VERBOSE
+  cout << "got: " << os.str() << endl;
+#endif
+  VERIFY( os && std::stod(os.str()) == d );
+  os.str("");
+  os << uppercase << d;
+#ifdef TEST_NUMPUT_VERBOSE
+  cout << "got: " << os.str() << endl;
+#endif
+  VERIFY( os && std::stod(os.str()) == d );
+  os << nouppercase;
+  os.str("");
+  os << defaultfloat << setprecision(6);
+  os << d;
+#ifdef TEST_NUMPUT_VERBOSE
+  cout << "got: " << os.str() << endl;
+#endif
+  VERIFY( os && os.str() == "15" );
+}
+
+void
+test02()
+{
+  ostringstream os;
+  long double d = 272.L; // 0x1.1p+8L;
+  os << hexfloat << setprecision(1);
+  os << d;
+#ifdef TEST_NUMPUT_VERBOSE
+  cout << "got: " << os.str() << endl;
+#endif
+  VERIFY( os && std::stold(os.str()) == d );
+  os.str("");
+  os << uppercase << d;
+#ifdef TEST_NUMPUT_VERBOSE
+  cout << "got: " << os.str() << endl;
+#endif
+  VERIFY( os && std::stold(os.str()) == d );
+  os << nouppercase;
+  os.str("");
+  os << defaultfloat << setprecision(6);
+  os << d;
+#ifdef TEST_NUMPUT_VERBOSE
+  cout << "got: " << os.str() << endl;
+#endif
+  VERIFY( os && os.str() == "272" );
+
+  os.str("");
+  os << hexfloat << setprecision(1);
+  d = 15.; //0x1.ep+3;
+  os << d;
+#ifdef TEST_NUMPUT_VERBOSE
+  cout << "got: " << os.str() << endl;
+#endif
+  VERIFY( os && std::stold(os.str()) == d );
+  os.str("");
+  os << uppercase << d;
+#ifdef TEST_NUMPUT_VERBOSE
+  cout << "got: " << os.str() << endl;
+#endif
+  VERIFY( os && std::stold(os.str()) == d );
+  os << nouppercase;
+  os.str("");
+  os << defaultfloat << setprecision(6);
+  os << d;
+#ifdef TEST_NUMPUT_VERBOSE
+  cout << "got: " << os.str() << endl;
+#endif
+  VERIFY( os && os.str() == "15" );
+}
+
+int
+main()
+{
+  test01();
+  test02();
+}