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Implement temporary-free path for "D.nolias() ?= C + A*B". (I thought it was already implemented)

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This commit is contained in:
Gael Guennebaud
2015-10-09 15:28:09 +02:00
parent a4cc4c1e5e
commit 6536b4bad7
5 changed files with 47 additions and 19 deletions
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21
test/nesting_ops.cpp
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@@ -54,25 +54,8 @@ template <typename MatrixType> void run_nesting_ops_2(const MatrixType& _m)
if((MatrixType::SizeAtCompileTime==Dynamic))
{
VERIFY_EVALUATION_COUNT( use_n_times<10>(m1), 0 );
if(!NumTraits<Scalar>::IsComplex)
{
VERIFY_EVALUATION_COUNT( use_n_times<3>(2*m1), 0 );
VERIFY_EVALUATION_COUNT( use_n_times<4>(2*m1), 1 );
}
else
{
VERIFY_EVALUATION_COUNT( use_n_times<1>(2*m1), 0 );
VERIFY_EVALUATION_COUNT( use_n_times<2>(2*m1), 1 );
}
VERIFY_EVALUATION_COUNT( use_n_times<2>(m1+m1), 0 );
VERIFY_EVALUATION_COUNT( use_n_times<3>(m1+m1), 1 );
VERIFY_EVALUATION_COUNT( use_n_times<1>(m1*m1.transpose()), 1 );
VERIFY_EVALUATION_COUNT( use_n_times<2>(m1*m1.transpose()), 1 );
VERIFY_EVALUATION_COUNT( use_n_times<1>(m1 + m1*m1), 2 ); // FIXME should already be 1 thanks the already existing rule
VERIFY_EVALUATION_COUNT( use_n_times<10>(m1 + m1*m1), 2 );
VERIFY_EVALUATION_COUNT( use_n_times<1>(m1 + m1*m1), 1 );
VERIFY_EVALUATION_COUNT( use_n_times<10>(m1 + m1*m1), 1 );
VERIFY_EVALUATION_COUNT( use_n_times<1>(m1.template triangularView<Lower>().solve(m1.col(0))), 1 );
VERIFY_EVALUATION_COUNT( use_n_times<10>(m1.template triangularView<Lower>().solve(m1.col(0))), 1 );