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Recover compile-time size from seq(A,B) when A and B are fixed values. (c++11 only)

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This commit is contained in:
Gael Guennebaud
2017-01-19 20:34:18 +01:00
parent 54f3fbee24
commit 4d302a080c
4 changed files with 46 additions and 12 deletions
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20
test/indexed_view.cpp
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@@ -55,8 +55,7 @@ is_same_eq(const T1& a, const T2& b)
}
template<typename T1,typename T2>
typename internal::enable_if<internal::is_same<T1,T2>::value,bool>::type
is_same_seq_type(const T1& a, const T2& b)
bool is_same_seq(const T1& a, const T2& b)
{
bool ok = a.first()==b.first() && a.size() == b.size() && Index(a.incrObject())==Index(b.incrObject());;
if(!ok)
@@ -67,6 +66,15 @@ is_same_seq_type(const T1& a, const T2& b)
return ok;
}
template<typename T1,typename T2>
typename internal::enable_if<internal::is_same<T1,T2>::value,bool>::type
is_same_seq_type(const T1& a, const T2& b)
{
return is_same_seq(a,b);
}
#define VERIFY_EQ_INT(A,B) VERIFY_IS_APPROX(int(A),int(B))
void check_indexed_view()
@@ -193,6 +201,14 @@ void check_indexed_view()
VERIFY( is_same_seq_type( seqN(2,fix<Dynamic>(5),3), seqN(2,5,fix<DynamicIndex>(3)) ) );
VERIFY( is_same_seq_type( seqN(2,fix<5>(5),fix<-2>), seqN(2,fix<5>,fix<-2>()) ) );
VERIFY( is_same_seq_type( seq(2,fix<5>), seqN(2,4) ) );
#if EIGEN_HAS_CXX11
VERIFY( is_same_seq_type( seq(fix<2>,fix<5>), seqN(fix<2>,fix<4>) ) );
#else
// sorry, no compile-time size recovery in c++98/03
VERIFY( is_same_seq( seq(fix<2>,fix<5>), seqN(fix<2>,fix<4>) ) );
#endif
VERIFY( (A(seqN(2,fix<5>), 5)).RowsAtCompileTime == 5);
VERIFY( (A(4, all)).ColsAtCompileTime == Dynamic);
VERIFY( (A(4, all)).RowsAtCompileTime == 1);