+2008-05-22 Paolo Carlini <paolo.carlini@oracle.com>
+
+ * include/std/complex (proj(const std::complex<>&), proj(_Tp)):
+ Add per DR 781.
+ * include/tr1_impl/complex(polar(const _Tp&, const _Up&)): Move to...
+ * include/tr1/complex: ... here.
+ * doc/xml/manual/intro.xml: Add an entry for DR 781.
+ * testsuite/26_numerics/complex/dr781.cc: Add.
+ * acinclude.m4 ([GLIBCXX_ENABLE_C99]): Update.
+ * configure: Regenerate.
+
2008-05-21 Paolo Carlini <paolo.carlini@oracle.com>
* include/std/bitset (bitset<>::bitset(const char*)): Add per DR 778.
tmpf = ctanf(tmpf);
tmpf = ctanhf(tmpf);
tmpf = cpowf(tmpf, tmpf);
+ tmpf = cprojf(tmpf);
d = cabs(tmpd);
d = carg(tmpd);
tmpd = ccos(tmpd);
tmpd = ctan(tmpd);
tmpd = ctanh(tmpd);
tmpd = cpow(tmpd, tmpd);
+ tmpd = cproj(tmpd);
ld = cabsl(tmpld);
ld = cargl(tmpld);
tmpld = ccosl(tmpld);
tmpld = ctanl(tmpld);
tmpld = ctanhl(tmpld);
tmpld = cpowl(tmpld, tmpld);
+ tmpld = cprojl(tmpld);
],[glibcxx_cv_c99_complex=yes], [glibcxx_cv_c99_complex=no])
fi
AC_MSG_RESULT($glibcxx_cv_c99_complex)
tmpf = ctanf(tmpf);
tmpf = ctanhf(tmpf);
tmpf = cpowf(tmpf, tmpf);
+ tmpf = cprojf(tmpf);
d = cabs(tmpd);
d = carg(tmpd);
tmpd = ccos(tmpd);
tmpd = ctan(tmpd);
tmpd = ctanh(tmpd);
tmpd = cpow(tmpd, tmpd);
+ tmpd = cproj(tmpd);
ld = cabsl(tmpld);
ld = cargl(tmpld);
tmpld = ccosl(tmpld);
tmpld = ctanl(tmpld);
tmpld = ctanhl(tmpld);
tmpld = cpowl(tmpld, tmpld);
+ tmpld = cprojl(tmpld);
;
return 0;
tmpf = ctanf(tmpf);
tmpf = ctanhf(tmpf);
tmpf = cpowf(tmpf, tmpf);
+ tmpf = cprojf(tmpf);
d = cabs(tmpd);
d = carg(tmpd);
tmpd = ccos(tmpd);
tmpd = ctan(tmpd);
tmpd = ctanh(tmpd);
tmpd = cpow(tmpd, tmpd);
+ tmpd = cproj(tmpd);
ld = cabsl(tmpld);
ld = cargl(tmpld);
tmpld = ccosl(tmpld);
tmpld = ctanl(tmpld);
tmpld = ctanhl(tmpld);
tmpld = cpowl(tmpld, tmpld);
+ tmpld = cprojl(tmpld);
;
return 0;
</term>
<listitem><para>Add it.
</para></listitem></varlistentry>
+
+ <varlistentry><term><ulink url="lwg-active.html#781">781</ulink>:
+ <emphasis>std::complex should add missing C99 functions</emphasis>
+ </term>
+ <listitem><para>In C++0x mode, add std::proj.
+ </para></listitem></varlistentry>
</variablelist>
</sect2>
// The template and inlines for the -*- C++ -*- complex number classes.
// Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
-// 2006, 2007
+// 2006, 2007, 2008
// Free Software Foundation, Inc.
//
// This file is part of the GNU ISO C++ Library. This library is free
# undef _GLIBCXX_BEGIN_NAMESPACE_TR1
# undef _GLIBCXX_INCLUDE_AS_CXX0X
# endif
+
+_GLIBCXX_BEGIN_NAMESPACE(std)
+
+ // Forward declarations.
+ // DR 781.
+ template<typename _Tp> std::complex<_Tp> proj(const std::complex<_Tp>&);
+
+ template<typename _Tp>
+ std::complex<_Tp>
+ __complex_proj(const std::complex<_Tp>& __z)
+ {
+ const _Tp __den = (__z.real() * __z.real()
+ + __z.imag() * __z.imag() + _Tp(1.0));
+
+ return std::complex<_Tp>((_Tp(2.0) * __z.real()) / __den,
+ (_Tp(2.0) * __z.imag()) / __den);
+ }
+
+#if _GLIBCXX_USE_C99_COMPLEX
+ inline __complex__ float
+ __complex_proj(__complex__ float __z)
+ { return __builtin_cprojf(__z); }
+
+ inline __complex__ double
+ __complex_proj(__complex__ double __z)
+ { return __builtin_cproj(__z); }
+
+ inline __complex__ long double
+ __complex_proj(const __complex__ long double& __z)
+ { return __builtin_cprojl(__z); }
+
+ template<typename _Tp>
+ inline std::complex<_Tp>
+ proj(const std::complex<_Tp>& __z)
+ { return __complex_proj(__z.__rep()); }
+#else
+ template<typename _Tp>
+ inline std::complex<_Tp>
+ proj(const std::complex<_Tp>& __z)
+ { return __complex_proj(__z); }
+#endif
+
+ template<typename _Tp>
+ inline std::complex<typename __gnu_cxx::__promote<_Tp>::__type>
+ proj(_Tp __x)
+ {
+ typedef typename __gnu_cxx::__promote<_Tp>::__type __type;
+ return std::proj(std::complex<__type>(__x));
+ }
+
+_GLIBCXX_END_NAMESPACE
+
#endif
#endif /* _GLIBCXX_COMPLEX */
// TR1 complex -*- C++ -*-
-// Copyright (C) 2006, 2007 Free Software Foundation, Inc.
+// Copyright (C) 2006, 2007, 2008 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
using std::imag;
using std::norm;
using std::polar;
- using std::pow;
+
+ template<typename _Tp, typename _Up>
+ inline std::complex<typename __gnu_cxx::__promote_2<_Tp, _Up>::__type>
+ polar(const _Tp& __rho, const _Up& __theta)
+ {
+ typedef typename __gnu_cxx::__promote_2<_Tp, _Up>::__type __type;
+ return std::polar(__type(__rho), __type(__theta));
+ }
+
using std::real;
+ using std::pow;
}
}
// TR1 complex -*- C++ -*-
-// Copyright (C) 2007 Free Software Foundation, Inc.
+// Copyright (C) 2007, 2008 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
return __type(__x) * __type(__x);
}
- template<typename _Tp, typename _Up>
- inline std::complex<typename __gnu_cxx::__promote_2<_Tp, _Up>::__type>
- polar(const _Tp& __rho, const _Up& __theta)
- {
- typedef typename __gnu_cxx::__promote_2<_Tp, _Up>::__type __type;
- return std::polar(__type(__rho), __type(__theta));
- }
-
+ template<typename _Tp>
+ inline typename __gnu_cxx::__promote<_Tp>::__type
+ real(_Tp __x)
+ { return __x; }
+
template<typename _Tp, typename _Up>
inline std::complex<typename __gnu_cxx::__promote_2<_Tp, _Up>::__type>
pow(const std::complex<_Tp>& __x, const _Up& __y)
std::complex<__type>(__y));
}
- template<typename _Tp>
- inline typename __gnu_cxx::__promote<_Tp>::__type
- real(_Tp __x)
- { return __x; }
-
#endif
_GLIBCXX_END_NAMESPACE_TR1
--- /dev/null
+// { dg-options "-std=gnu++0x" }
+// 2008-05-22 Paolo Carlini <paolo.carlini@oracle.com>
+//
+// Copyright (C) 2008 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 <complex>
+#include <testsuite_hooks.h>
+#include <testsuite_tr1.h>
+
+// DR 781. std::complex should add missing C99 functions.
+void test01()
+{
+ using __gnu_test::check_ret_type;
+
+ typedef std::complex<float> cmplx_f_type;
+ typedef std::complex<double> cmplx_d_type;
+ typedef std::complex<long double> cmplx_ld_type;
+
+ const int i1 = 1;
+ const float f1 = 1.0f;
+ const double d1 = 1.0;
+ const long double ld1 = 1.0l;
+
+ const cmplx_f_type c_f1(f1, f1);
+ const cmplx_d_type c_d1(d1, d1);
+ const cmplx_ld_type c_ld1(ld1, ld1);
+
+ check_ret_type<cmplx_f_type>(std::proj(c_f1));
+ check_ret_type<cmplx_d_type>(std::proj(c_d1));
+ check_ret_type<cmplx_ld_type>(std::proj(c_ld1));
+
+ check_ret_type<cmplx_f_type>(std::proj(f1));
+ check_ret_type<cmplx_d_type>(std::proj(d1));
+ check_ret_type<cmplx_d_type>(std::proj(i1));
+ VERIFY( std::proj(i1) == std::proj(double(i1)) );
+ VERIFY( std::proj(i1) == std::proj(cmplx_d_type(double(i1))) );
+ check_ret_type<cmplx_ld_type>(std::proj(ld1));
+}
+
+int main()
+{
+ test01();
+ return 0;
+}