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cleanup/simplification in computation of matrix flags

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This commit is contained in:
Benoit Jacob 2010-03-03 09:58:43 -05:00
parent 7dbe806711
commit 45d19afb18
1 changed files with 7 additions and 6 deletions
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13
Eigen/src/Core/util/XprHelper.h
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@ -87,12 +87,13 @@ class ei_compute_matrix_flags
{
enum {
row_major_bit = Options&RowMajor ? RowMajorBit : 0,
inner_max_size = MaxCols==1 ? MaxRows
: MaxRows==1 ? MaxCols
: row_major_bit ? MaxCols : MaxRows,
is_big = inner_max_size == Dynamic,
is_packet_size_multiple = MaxRows==Dynamic || MaxCols==Dynamic || ((MaxCols*MaxRows) % ei_packet_traits<Scalar>::size) == 0,
aligned_bit = (((Options&DontAlign)==0) && (is_big || is_packet_size_multiple)) ? AlignedBit : 0,
is_dynamic_size_storage = MaxRows==Dynamic || MaxCols==Dynamic,
is_fixed_size_aligned
= (!is_dynamic_size_storage)
&& (((MaxCols*MaxRows) % ei_packet_traits<Scalar>::size) == 0),
aligned_bit = (((Options&DontAlign)==0)
&& (is_dynamic_size_storage || is_fixed_size_aligned))
? AlignedBit : 0,
packet_access_bit = ei_packet_traits<Scalar>::size > 1 && aligned_bit ? PacketAccessBit : 0
};