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Introduce generic Flagged xpr, remove already Lazy.h and Temporary.h

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Rename DefaultLostFlagMask --> HerediraryBits
This commit is contained in:
Benoit Jacob
2008-05-14 08:20:15 +00:00
parent fd2e9e5c3c
commit 5da60897ab
21 changed files with 80 additions and 156 deletions
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9
Eigen/src/Core/util/Constants.h
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@@ -44,13 +44,16 @@ const unsigned int UnitDiagBit = 0x80; ///< means all diagonal coefficients
const unsigned int NullLowerBit = 0x200; ///< means the strictly triangular lower part is 0
const unsigned int NullUpperBit = 0x400; ///< means the strictly triangular upper part is 0
const unsigned int DirectAccessBit = 0x800; ///< means the underlying matrix data can be direclty accessed
const unsigned int TemporaryBit = 0x1000; ///< means the expression should be copied by value when nested
enum { Upper=NullLowerBit, Lower=NullUpperBit };
enum { Aligned=0, UnAligned=1 };
// list of flags that are lost by default
const unsigned int DefaultLostFlagMask = ~(VectorizableBit | Like1DArrayBit | DirectAccessBit
| NullDiagBit | UnitDiagBit | NullLowerBit | NullUpperBit);
// list of flags that are inherited by default
const unsigned int HereditaryBits = RowMajorBit
| EvalBeforeNestingBit
| EvalBeforeAssigningBit
| LargeBit;
enum { ConditionalJumpCost = 5 };
enum CornerType { TopLeft, TopRight, BottomLeft, BottomRight };