Imported gcc-4.4.3

[msp430-gcc.git] / libstdc++-v3 / testsuite / tr1 / 8_c_compatibility / complex / overloads_int.cc

diff --git a/libstdc++-v3/testsuite/tr1/8_c_compatibility/complex/overloads_int.cc b/libstdc++-v3/testsuite/tr1/8_c_compatibility/complex/overloads_int.cc
new file mode 100644 (file)
index 0000000..a8a9bfb
--- /dev/null
+++ b/libstdc++-v3/testsuite/tr1/8_c_compatibility/complex/overloads_int.cc
@@ -0,0 +1,98 @@
+// 2006-01-12  Paolo Carlini  <pcarlini@suse.de>
+//
+// Copyright (C) 2006, 2007, 2008, 2009 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/>.
+
+// 8.1 Additions to header <complex>
+
+#include <tr1/complex>
+#include <testsuite_hooks.h>
+#include <testsuite_tr1.h>
+
+void test01()
+{
+  bool test __attribute__((unused)) = true;
+  using __gnu_test::check_ret_type;
+
+  typedef std::complex<float>  cmplx_f_type;
+  typedef std::complex<double> cmplx_d_type;
+
+  const int       i1 = 1;
+  const unsigned  u1 = 1;
+  const long      l1 = 1;
+  const double    f1 = 1.0f;
+  const double    d1 = 1.0;
+    
+  check_ret_type<double>(std::tr1::arg(i1));
+  VERIFY( std::tr1::arg(i1) == std::tr1::arg(double(i1)) );
+  VERIFY( std::tr1::arg(i1) == std::tr1::arg(cmplx_d_type(double(i1))) );
+
+  check_ret_type<cmplx_d_type>(std::tr1::conj(i1));
+  VERIFY( std::tr1::conj(i1) == std::tr1::conj(double(i1)) );
+  VERIFY( std::tr1::conj(i1) == std::tr1::conj(cmplx_d_type(double(i1))) );
+
+  check_ret_type<double>(std::tr1::imag(i1));
+  VERIFY( std::tr1::imag(i1) == std::tr1::imag(double(i1)) );
+  VERIFY( std::tr1::imag(i1) == std::tr1::imag(cmplx_d_type(double(i1))) );
+
+  check_ret_type<double>(std::tr1::norm(i1));
+  VERIFY( std::tr1::norm(i1) == std::tr1::norm(double(i1)) );
+  // std::norm<const complex<>&) is mathematically equivalent to just
+  // this for a real, but the general algorithm goes through std::abs
+  // and a multiplication.
+  VERIFY( std::tr1::norm(i1) == double(i1) * double(i1) );
+
+  // NB: The existing std::polar wins and a cmplx_i_type is returned.
+  // check_ret_type<cmplx_d_type>(std::tr1::polar(i1, i1));
+  // VERIFY( std::tr1::polar(i1, i1)
+  //         == std::tr1::polar(double(i1), double(i1)) );
+  typedef std::complex<int> cmplx_i_type;
+  check_ret_type<cmplx_i_type>(std::tr1::polar(i1, i1));
+
+  check_ret_type<cmplx_d_type>(std::tr1::pow(cmplx_f_type(f1, f1), i1));
+  check_ret_type<cmplx_d_type>(std::tr1::pow(cmplx_f_type(f1, f1), u1));
+  check_ret_type<cmplx_d_type>(std::tr1::pow(cmplx_f_type(f1, f1), l1));
+  check_ret_type<cmplx_d_type>(std::tr1::pow(cmplx_d_type(d1, d1), i1));
+
+  VERIFY( std::tr1::pow(cmplx_d_type(d1, d1), i1)
+         == std::tr1::pow(cmplx_d_type(d1, d1), double(i1)) );
+  VERIFY( std::tr1::pow(cmplx_d_type(d1, d1), u1)
+         == std::tr1::pow(cmplx_d_type(d1, d1), double(u1)) );
+  VERIFY( std::tr1::pow(cmplx_d_type(d1, d1), l1)
+         == std::tr1::pow(cmplx_d_type(d1, d1), double(l1)) );
+
+  check_ret_type<cmplx_d_type>(std::tr1::pow(i1, cmplx_f_type(f1, f1)));
+  check_ret_type<cmplx_d_type>(std::tr1::pow(u1, cmplx_f_type(f1, f1)));
+  check_ret_type<cmplx_d_type>(std::tr1::pow(l1, cmplx_f_type(f1, f1)));
+  check_ret_type<cmplx_d_type>(std::tr1::pow(i1, cmplx_d_type(d1, d1)));
+  VERIFY( std::tr1::pow(i1, cmplx_d_type(d1, d1))
+         == std::tr1::pow(double(i1), cmplx_d_type(d1, d1)) );
+  VERIFY( std::tr1::pow(u1, cmplx_d_type(d1, d1))
+         == std::tr1::pow(double(u1), cmplx_d_type(d1, d1)) );
+  VERIFY( std::tr1::pow(l1, cmplx_d_type(d1, d1))
+         == std::tr1::pow(double(l1), cmplx_d_type(d1, d1)) );
+
+  check_ret_type<double>(std::tr1::real(i1));
+  VERIFY( std::tr1::real(i1) == std::tr1::real(double(i1)) );
+  VERIFY( std::tr1::real(i1) == std::tr1::real(cmplx_d_type(double(i1))) );
+}
+
+int main()
+{
+  test01();
+  return 0;
+}