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turnaround for a compiler bug in gcc 3.4.6

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This commit is contained in:
Thomas Capricelli 2011-02-04 12:09:30 +01:00
parent aee4e950d3
commit 0ed604583f
1 changed files with 22 additions and 0 deletions
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22
Eigen/src/Core/util/ForwardDeclarations.h
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@ -65,9 +65,20 @@ class DenseCoeffsBase;
template<typename _Scalar, int _Rows, int _Cols, template<typename _Scalar, int _Rows, int _Cols,
int _Options = AutoAlign | int _Options = AutoAlign |
#if defined(__GNUC__) && __GNUC__==3 && __GNUC_MINOR__==4
// workaround a bug in at least gcc 3.4.6
// the innermost ?: ternary operator is misparsed. We write it slightly
// differently and this makes gcc 3.4.6 happy, but it's ugly.
// The error would only show up with EIGEN_DEFAULT_TO_ROW_MAJOR is defined
// (when EIGEN_DEFAULT_MATRIX_STORAGE_ORDER_OPTION is RowMajor)
( (_Rows==1 && _Cols!=1) ? RowMajor
: !(_Cols==1 && _Rows!=1) ? EIGEN_DEFAULT_MATRIX_STORAGE_ORDER_OPTION
: ColMajor ),
#else
( (_Rows==1 && _Cols!=1) ? RowMajor ( (_Rows==1 && _Cols!=1) ? RowMajor
: (_Cols==1 && _Rows!=1) ? ColMajor : (_Cols==1 && _Rows!=1) ? ColMajor
: EIGEN_DEFAULT_MATRIX_STORAGE_ORDER_OPTION ), : EIGEN_DEFAULT_MATRIX_STORAGE_ORDER_OPTION ),
#endif
int _MaxRows = _Rows, int _MaxRows = _Rows,
int _MaxCols = _Cols int _MaxCols = _Cols
> class Matrix; > class Matrix;
@ -192,9 +203,20 @@ struct IOFormat;
// Array module // Array module
template<typename _Scalar, int _Rows, int _Cols, template<typename _Scalar, int _Rows, int _Cols,
int _Options = AutoAlign | int _Options = AutoAlign |
#if defined(__GNUC__) && __GNUC__==3 && __GNUC_MINOR__==4
// workaround a bug in at least gcc 3.4.6
// the innermost ?: ternary operator is misparsed. We write it slightly
// differently and this makes gcc 3.4.6 happy, but it's ugly.
// The error would only show up with EIGEN_DEFAULT_TO_ROW_MAJOR is defined
// (when EIGEN_DEFAULT_MATRIX_STORAGE_ORDER_OPTION is RowMajor)
( (_Rows==1 && _Cols!=1) ? RowMajor
: !(_Cols==1 && _Rows!=1) ? EIGEN_DEFAULT_MATRIX_STORAGE_ORDER_OPTION
: ColMajor ),
#else
( (_Rows==1 && _Cols!=1) ? RowMajor ( (_Rows==1 && _Cols!=1) ? RowMajor
: (_Cols==1 && _Rows!=1) ? ColMajor : (_Cols==1 && _Rows!=1) ? ColMajor
: EIGEN_DEFAULT_MATRIX_STORAGE_ORDER_OPTION ), : EIGEN_DEFAULT_MATRIX_STORAGE_ORDER_OPTION ),
#endif
int _MaxRows = _Rows, int _MaxCols = _Cols> class Array; int _MaxRows = _Rows, int _MaxCols = _Cols> class Array;
template<typename ConditionMatrixType, typename ThenMatrixType, typename ElseMatrixType> class Select; template<typename ConditionMatrixType, typename ThenMatrixType, typename ElseMatrixType> class Select;
template<typename MatrixType, typename BinaryOp, int Direction> class PartialReduxExpr; template<typename MatrixType, typename BinaryOp, int Direction> class PartialReduxExpr;