fix a compilation issue with gcc-3.3 and ei_result_of

This commit is contained in:
Gael Guennebaud 2008-04-03 12:39:39 +00:00
parent d1a29d6319
commit 4448f2620d
2 changed files with 9 additions and 5 deletions

View File

@ -5,12 +5,12 @@
//
// Eigen is free software; you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public
// License as published by the Free Software Foundation; either
// License as published by the Free Software Foundation; either
// version 3 of the License, or (at your option) any later version.
//
// Alternatively, 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 of
// published by the Free Software Foundation; either version 2 of
// the License, or (at your option) any later version.
//
// Eigen is distributed in the hope that it will be useful, but WITHOUT ANY
@ -18,7 +18,7 @@
// FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License or the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public
// You should have received a copy of the GNU Lesser General Public
// License and a copy of the GNU General Public License along with
// Eigen. If not, see <http://www.gnu.org/licenses/>.

View File

@ -217,7 +217,9 @@ struct ei_result_of<Func(ArgType)> {
static ei_has_tr1_result testFunctor(T const *, typename T::template result<T(ArgType)>::type const * = 0);
static ei_has_none testFunctor(...);
typedef typename ei_unary_result_of_select<Func, ArgType, sizeof(testFunctor(static_cast<Func*>(0)))>::type type;
// note that the following indirection is needed for gcc-3.3
enum {FunctorType = sizeof(testFunctor(static_cast<Func*>(0)))};
typedef typename ei_unary_result_of_select<Func, ArgType, FunctorType>::type type;
};
template<typename Func, typename ArgType0, typename ArgType1, int SizeOf=sizeof(ei_has_none)>
@ -239,7 +241,9 @@ struct ei_result_of<Func(ArgType0,ArgType1)> {
static ei_has_tr1_result testFunctor(T const *, typename T::template result<T(ArgType0,ArgType1)>::type const * = 0);
static ei_has_none testFunctor(...);
typedef typename ei_binary_result_of_select<Func, ArgType0, ArgType1, sizeof(testFunctor(static_cast<Func*>(0)))>::type type;
// note that the following indirection is needed for gcc-3.3
enum {FunctorType = sizeof(testFunctor(static_cast<Func*>(0)))};
typedef typename ei_binary_result_of_select<Func, ArgType0, ArgType1, FunctorType>::type type;
};
#endif // EIGEN_UTIL_H