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Add lastN shorcuts to seq/seqN.

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This commit is contained in:
Gael Guennebaud
2018-07-23 16:20:25 +02:00
parent 2bf864f1eb
commit c747cde69a
2 changed files with 40 additions and 2 deletions
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8
test/indexed_view.cpp
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@@ -293,6 +293,14 @@ void check_indexed_view()
}
#if EIGEN_HAS_CXX11
// check lastN
VERIFY_IS_APPROX( a(lastN(3)), a.tail(3) );
VERIFY( MATCH( a(lastN(3)), "7\n8\n9" ) );
VERIFY_IS_APPROX( a(lastN(fix<3>())), a.tail<3>() );
VERIFY( MATCH( a(lastN(3,2)), "5\n7\n9" ) );
VERIFY( MATCH( a(lastN(3,fix<2>())), "5\n7\n9" ) );
VERIFY( a(lastN(fix<3>())).SizeAtCompileTime == 3 );
VERIFY( (A(all, std::array<int,4>{{1,3,2,4}})).ColsAtCompileTime == 4);
VERIFY_IS_APPROX( (A(std::array<int,3>{{1,3,5}}, std::array<int,4>{{9,6,3,0}})), A(seqN(1,3,2), seqN(9,4,-3)) );