Merge with default branch

This commit is contained in:
Gael Guennebaud
2014-02-18 15:45:39 +01:00
68 changed files with 1058 additions and 475 deletions

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@@ -16,7 +16,10 @@
namespace Eigen {
namespace internal {
template<typename MatrixType, int UpLo> struct LDLT_Traits;
template<typename MatrixType, int UpLo> struct LDLT_Traits;
// PositiveSemiDef means positive semi-definite and non-zero; same for NegativeSemiDef
enum SignMatrix { PositiveSemiDef, NegativeSemiDef, ZeroSign, Indefinite };
}
/** \ingroup Cholesky_Module
@@ -69,7 +72,12 @@ template<typename _MatrixType, int _UpLo> class LDLT
* The default constructor is useful in cases in which the user intends to
* perform decompositions via LDLT::compute(const MatrixType&).
*/
LDLT() : m_matrix(), m_transpositions(), m_isInitialized(false) {}
LDLT()
: m_matrix(),
m_transpositions(),
m_sign(internal::ZeroSign),
m_isInitialized(false)
{}
/** \brief Default Constructor with memory preallocation
*
@@ -81,6 +89,7 @@ template<typename _MatrixType, int _UpLo> class LDLT
: m_matrix(size, size),
m_transpositions(size),
m_temporary(size),
m_sign(internal::ZeroSign),
m_isInitialized(false)
{}
@@ -93,6 +102,7 @@ template<typename _MatrixType, int _UpLo> class LDLT
: m_matrix(matrix.rows(), matrix.cols()),
m_transpositions(matrix.rows()),
m_temporary(matrix.rows()),
m_sign(internal::ZeroSign),
m_isInitialized(false)
{
compute(matrix);
@@ -139,7 +149,7 @@ template<typename _MatrixType, int _UpLo> class LDLT
inline bool isPositive() const
{
eigen_assert(m_isInitialized && "LDLT is not initialized.");
return m_sign == 1;
return m_sign == internal::PositiveSemiDef || m_sign == internal::ZeroSign;
}
#ifdef EIGEN2_SUPPORT
@@ -153,7 +163,7 @@ template<typename _MatrixType, int _UpLo> class LDLT
inline bool isNegative(void) const
{
eigen_assert(m_isInitialized && "LDLT is not initialized.");
return m_sign == -1;
return m_sign == internal::NegativeSemiDef || m_sign == internal::ZeroSign;
}
/** \returns a solution x of \f$ A x = b \f$ using the current decomposition of A.
@@ -235,7 +245,7 @@ template<typename _MatrixType, int _UpLo> class LDLT
MatrixType m_matrix;
TranspositionType m_transpositions;
TmpMatrixType m_temporary;
int m_sign;
internal::SignMatrix m_sign;
bool m_isInitialized;
};
@@ -246,7 +256,7 @@ template<int UpLo> struct ldlt_inplace;
template<> struct ldlt_inplace<Lower>
{
template<typename MatrixType, typename TranspositionType, typename Workspace>
static bool unblocked(MatrixType& mat, TranspositionType& transpositions, Workspace& temp, int* sign=0)
static bool unblocked(MatrixType& mat, TranspositionType& transpositions, Workspace& temp, SignMatrix& sign)
{
using std::abs;
typedef typename MatrixType::Scalar Scalar;
@@ -258,8 +268,9 @@ template<> struct ldlt_inplace<Lower>
if (size <= 1)
{
transpositions.setIdentity();
if(sign)
*sign = numext::real(mat.coeff(0,0))>0 ? 1:-1;
if (numext::real(mat.coeff(0,0)) > 0) sign = PositiveSemiDef;
else if (numext::real(mat.coeff(0,0)) < 0) sign = NegativeSemiDef;
else sign = ZeroSign;
return true;
}
@@ -284,7 +295,6 @@ template<> struct ldlt_inplace<Lower>
if(biggest_in_corner < cutoff)
{
for(Index i = k; i < size; i++) transpositions.coeffRef(i) = i;
if(sign) *sign = 0;
break;
}
@@ -325,15 +335,15 @@ template<> struct ldlt_inplace<Lower>
}
if((rs>0) && (abs(mat.coeffRef(k,k)) > cutoff))
A21 /= mat.coeffRef(k,k);
if(sign)
{
// LDLT is not guaranteed to work for indefinite matrices, but let's try to get the sign right
int newSign = numext::real(mat.diagonal().coeff(index_of_biggest_in_corner)) > 0;
if(k == 0)
*sign = newSign;
else if(*sign != newSign)
*sign = 0;
RealScalar realAkk = numext::real(mat.coeffRef(k,k));
if (sign == PositiveSemiDef) {
if (realAkk < 0) sign = Indefinite;
} else if (sign == NegativeSemiDef) {
if (realAkk > 0) sign = Indefinite;
} else if (sign == ZeroSign) {
if (realAkk > 0) sign = PositiveSemiDef;
else if (realAkk < 0) sign = NegativeSemiDef;
}
}
@@ -399,7 +409,7 @@ template<> struct ldlt_inplace<Lower>
template<> struct ldlt_inplace<Upper>
{
template<typename MatrixType, typename TranspositionType, typename Workspace>
static EIGEN_STRONG_INLINE bool unblocked(MatrixType& mat, TranspositionType& transpositions, Workspace& temp, int* sign=0)
static EIGEN_STRONG_INLINE bool unblocked(MatrixType& mat, TranspositionType& transpositions, Workspace& temp, SignMatrix& sign)
{
Transpose<MatrixType> matt(mat);
return ldlt_inplace<Lower>::unblocked(matt, transpositions, temp, sign);
@@ -445,7 +455,7 @@ LDLT<MatrixType,_UpLo>& LDLT<MatrixType,_UpLo>::compute(const MatrixType& a)
m_isInitialized = false;
m_temporary.resize(size);
internal::ldlt_inplace<UpLo>::unblocked(m_matrix, m_transpositions, m_temporary, &m_sign);
internal::ldlt_inplace<UpLo>::unblocked(m_matrix, m_transpositions, m_temporary, m_sign);
m_isInitialized = true;
return *this;
@@ -473,7 +483,7 @@ LDLT<MatrixType,_UpLo>& LDLT<MatrixType,_UpLo>::rankUpdate(const MatrixBase<Deri
for (Index i = 0; i < size; i++)
m_transpositions.coeffRef(i) = i;
m_temporary.resize(size);
m_sign = sigma>=0 ? 1 : -1;
m_sign = sigma>=0 ? internal::PositiveSemiDef : internal::NegativeSemiDef;
m_isInitialized = true;
}

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@@ -138,6 +138,9 @@ DenseBase<Derived>::NullaryExpr(Index rows, Index cols, const CustomNullaryOp& f
*
* The template parameter \a CustomNullaryOp is the type of the functor.
*
* Here is an example with C++11 random generators: \include random_cpp11.cpp
* Output: \verbinclude random_cpp11.out
*
* \sa class CwiseNullaryOp
*/
template<typename Derived>

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@@ -77,7 +77,12 @@ template<typename MatrixType, int _DiagIndex> class Diagonal
EIGEN_DEVICE_FUNC
inline Index rows() const
{ return m_index.value()<0 ? (std::min<Index>)(m_matrix.cols(),m_matrix.rows()+m_index.value()) : (std::min<Index>)(m_matrix.rows(),m_matrix.cols()-m_index.value()); }
{
EIGEN_USING_STD_MATH(min);
return m_index.value()<0 ? (min)(Index(m_matrix.cols()),Index(m_matrix.rows()+m_index.value()))
: (min)(Index(m_matrix.rows()),Index(m_matrix.cols()-m_index.value()));
}
EIGEN_DEVICE_FUNC
inline Index cols() const { return 1; }

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@@ -141,36 +141,6 @@ Derived& DenseBase<Derived>::operator-=(const EigenBase<OtherDerived> &other)
return derived();
}
/** replaces \c *this by \c *this * \a other.
*
* \returns a reference to \c *this
*/
template<typename Derived>
template<typename OtherDerived>
inline Derived&
MatrixBase<Derived>::operator*=(const EigenBase<OtherDerived> &other)
{
other.derived().applyThisOnTheRight(derived());
return derived();
}
/** replaces \c *this by \c *this * \a other. It is equivalent to MatrixBase::operator*=().
*/
template<typename Derived>
template<typename OtherDerived>
inline void MatrixBase<Derived>::applyOnTheRight(const EigenBase<OtherDerived> &other)
{
other.derived().applyThisOnTheRight(derived());
}
/** replaces \c *this by \c *this * \a other. */
template<typename Derived>
template<typename OtherDerived>
inline void MatrixBase<Derived>::applyOnTheLeft(const EigenBase<OtherDerived> &other)
{
other.derived().applyThisOnTheLeft(derived());
}
} // end namespace Eigen
#endif // EIGEN_EIGENBASE_H

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@@ -575,6 +575,51 @@ template<typename Derived> class MatrixBase
{EIGEN_STATIC_ASSERT(std::ptrdiff_t(sizeof(typename OtherDerived::Scalar))==-1,YOU_CANNOT_MIX_ARRAYS_AND_MATRICES); return *this;}
};
/***************************************************************************
* Implementation of matrix base methods
***************************************************************************/
/** replaces \c *this by \c *this * \a other.
*
* \returns a reference to \c *this
*
* Example: \include MatrixBase_applyOnTheRight.cpp
* Output: \verbinclude MatrixBase_applyOnTheRight.out
*/
template<typename Derived>
template<typename OtherDerived>
inline Derived&
MatrixBase<Derived>::operator*=(const EigenBase<OtherDerived> &other)
{
other.derived().applyThisOnTheRight(derived());
return derived();
}
/** replaces \c *this by \c *this * \a other. It is equivalent to MatrixBase::operator*=().
*
* Example: \include MatrixBase_applyOnTheRight.cpp
* Output: \verbinclude MatrixBase_applyOnTheRight.out
*/
template<typename Derived>
template<typename OtherDerived>
inline void MatrixBase<Derived>::applyOnTheRight(const EigenBase<OtherDerived> &other)
{
other.derived().applyThisOnTheRight(derived());
}
/** replaces \c *this by \a other * \c *this.
*
* Example: \include MatrixBase_applyOnTheLeft.cpp
* Output: \verbinclude MatrixBase_applyOnTheLeft.out
*/
template<typename Derived>
template<typename OtherDerived>
inline void MatrixBase<Derived>::applyOnTheLeft(const EigenBase<OtherDerived> &other)
{
other.derived().applyThisOnTheLeft(derived());
}
} // end namespace Eigen
#endif // EIGEN_MATRIXBASE_H

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@@ -34,6 +34,8 @@ struct functor_traits<scalar_random_op<Scalar> >
* The parameters \a rows and \a cols are the number of rows and of columns of
* the returned matrix. Must be compatible with this MatrixBase type.
*
* \not_reentrant
*
* This variant is meant to be used for dynamic-size matrix types. For fixed-size types,
* it is redundant to pass \a rows and \a cols as arguments, so Random() should be used
* instead.
@@ -45,8 +47,10 @@ struct functor_traits<scalar_random_op<Scalar> >
* This expression has the "evaluate before nesting" flag so that it will be evaluated into
* a temporary matrix whenever it is nested in a larger expression. This prevents unexpected
* behavior with expressions involving random matrices.
*
* See DenseBase::NullaryExpr(Index, const CustomNullaryOp&) for an example using C++11 random generators.
*
* \sa MatrixBase::setRandom(), MatrixBase::Random(Index), MatrixBase::Random()
* \sa DenseBase::setRandom(), DenseBase::Random(Index), DenseBase::Random()
*/
template<typename Derived>
inline const CwiseNullaryOp<internal::scalar_random_op<typename internal::traits<Derived>::Scalar>, Derived>
@@ -64,6 +68,7 @@ DenseBase<Derived>::Random(Index rows, Index cols)
* Must be compatible with this MatrixBase type.
*
* \only_for_vectors
* \not_reentrant
*
* This variant is meant to be used for dynamic-size vector types. For fixed-size types,
* it is redundant to pass \a size as argument, so Random() should be used
@@ -76,7 +81,7 @@ DenseBase<Derived>::Random(Index rows, Index cols)
* a temporary vector whenever it is nested in a larger expression. This prevents unexpected
* behavior with expressions involving random matrices.
*
* \sa MatrixBase::setRandom(), MatrixBase::Random(Index,Index), MatrixBase::Random()
* \sa DenseBase::setRandom(), DenseBase::Random(Index,Index), DenseBase::Random()
*/
template<typename Derived>
inline const CwiseNullaryOp<internal::scalar_random_op<typename internal::traits<Derived>::Scalar>, Derived>
@@ -99,8 +104,10 @@ DenseBase<Derived>::Random(Index size)
* This expression has the "evaluate before nesting" flag so that it will be evaluated into
* a temporary matrix whenever it is nested in a larger expression. This prevents unexpected
* behavior with expressions involving random matrices.
*
* \not_reentrant
*
* \sa MatrixBase::setRandom(), MatrixBase::Random(Index,Index), MatrixBase::Random(Index)
* \sa DenseBase::setRandom(), DenseBase::Random(Index,Index), DenseBase::Random(Index)
*/
template<typename Derived>
inline const CwiseNullaryOp<internal::scalar_random_op<typename internal::traits<Derived>::Scalar>, Derived>
@@ -114,6 +121,8 @@ DenseBase<Derived>::Random()
* Numbers are uniformly spread through their whole definition range for integer types,
* and in the [-1:1] range for floating point scalar types.
*
* \not_reentrant
*
* Example: \include MatrixBase_setRandom.cpp
* Output: \verbinclude MatrixBase_setRandom.out
*
@@ -131,11 +140,12 @@ inline Derived& DenseBase<Derived>::setRandom()
* and in the [-1:1] range for floating point scalar types.
*
* \only_for_vectors
* \not_reentrant
*
* Example: \include Matrix_setRandom_int.cpp
* Output: \verbinclude Matrix_setRandom_int.out
*
* \sa MatrixBase::setRandom(), setRandom(Index,Index), class CwiseNullaryOp, MatrixBase::Random()
* \sa DenseBase::setRandom(), setRandom(Index,Index), class CwiseNullaryOp, DenseBase::Random()
*/
template<typename Derived>
EIGEN_STRONG_INLINE Derived&
@@ -150,13 +160,15 @@ PlainObjectBase<Derived>::setRandom(Index newSize)
* Numbers are uniformly spread through their whole definition range for integer types,
* and in the [-1:1] range for floating point scalar types.
*
* \not_reentrant
*
* \param nbRows the new number of rows
* \param nbCols the new number of columns
*
* Example: \include Matrix_setRandom_int_int.cpp
* Output: \verbinclude Matrix_setRandom_int_int.out
*
* \sa MatrixBase::setRandom(), setRandom(Index), class CwiseNullaryOp, MatrixBase::Random()
* \sa DenseBase::setRandom(), setRandom(Index), class CwiseNullaryOp, DenseBase::Random()
*/
template<typename Derived>
EIGEN_STRONG_INLINE Derived&

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@@ -17,16 +17,29 @@ namespace internal {
template<typename ExpressionType, typename Scalar>
inline void stable_norm_kernel(const ExpressionType& bl, Scalar& ssq, Scalar& scale, Scalar& invScale)
{
Scalar max = bl.cwiseAbs().maxCoeff();
if (max>scale)
using std::max;
Scalar maxCoeff = bl.cwiseAbs().maxCoeff();
if (maxCoeff>scale)
{
ssq = ssq * numext::abs2(scale/max);
scale = max;
invScale = Scalar(1)/scale;
ssq = ssq * numext::abs2(scale/maxCoeff);
Scalar tmp = Scalar(1)/maxCoeff;
if(tmp > NumTraits<Scalar>::highest())
{
invScale = NumTraits<Scalar>::highest();
scale = Scalar(1)/invScale;
}
else
{
scale = maxCoeff;
invScale = tmp;
}
}
// TODO if the max is much much smaller than the current scale,
// TODO if the maxCoeff is much much smaller than the current scale,
// then we can neglect this sub vector
ssq += (bl*invScale).squaredNorm();
if(scale>Scalar(0)) // if scale==0, then bl is 0
ssq += (bl*invScale).squaredNorm();
}
template<typename Derived>

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@@ -504,13 +504,18 @@ template<> EIGEN_STRONG_INLINE double predux_min<Packet2d>(const Packet2d& a)
}
template<> EIGEN_STRONG_INLINE int predux_min<Packet4i>(const Packet4i& a)
{
#ifdef EIGEN_VECTORIZE_SSE4_1
Packet4i tmp = _mm_min_epi32(a, _mm_shuffle_epi32(a, _MM_SHUFFLE(0,0,3,2)));
return pfirst(_mm_min_epi32(tmp,_mm_shuffle_epi32(tmp, 1)));
#else
// after some experiments, it is seems this is the fastest way to implement it
// for GCC (eg., it does not like using std::min after the pstore !!)
EIGEN_ALIGN16 int aux[4];
pstore(aux, a);
register int aux0 = aux[0]<aux[1] ? aux[0] : aux[1];
register int aux2 = aux[2]<aux[3] ? aux[2] : aux[3];
int aux0 = aux[0]<aux[1] ? aux[0] : aux[1];
int aux2 = aux[2]<aux[3] ? aux[2] : aux[3];
return aux0<aux2 ? aux0 : aux2;
#endif // EIGEN_VECTORIZE_SSE4_1
}
// max
@@ -525,13 +530,18 @@ template<> EIGEN_STRONG_INLINE double predux_max<Packet2d>(const Packet2d& a)
}
template<> EIGEN_STRONG_INLINE int predux_max<Packet4i>(const Packet4i& a)
{
#ifdef EIGEN_VECTORIZE_SSE4_1
Packet4i tmp = _mm_max_epi32(a, _mm_shuffle_epi32(a, _MM_SHUFFLE(0,0,3,2)));
return pfirst(_mm_max_epi32(tmp,_mm_shuffle_epi32(tmp, 1)));
#else
// after some experiments, it is seems this is the fastest way to implement it
// for GCC (eg., it does not like using std::min after the pstore !!)
EIGEN_ALIGN16 int aux[4];
pstore(aux, a);
register int aux0 = aux[0]>aux[1] ? aux[0] : aux[1];
register int aux2 = aux[2]>aux[3] ? aux[2] : aux[3];
int aux0 = aux[0]>aux[1] ? aux[0] : aux[1];
int aux2 = aux[2]>aux[3] ? aux[2] : aux[3];
return aux0>aux2 ? aux0 : aux2;
#endif // EIGEN_VECTORIZE_SSE4_1
}
#if (defined __GNUC__)

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@@ -79,8 +79,8 @@ EIGEN_DONT_INLINE void selfadjoint_matrix_vector_product<Scalar,Index,StorageOrd
for (Index j=FirstTriangular ? bound : 0;
j<(FirstTriangular ? size : bound);j+=2)
{
register const Scalar* EIGEN_RESTRICT A0 = lhs + j*lhsStride;
register const Scalar* EIGEN_RESTRICT A1 = lhs + (j+1)*lhsStride;
const Scalar* EIGEN_RESTRICT A0 = lhs + j*lhsStride;
const Scalar* EIGEN_RESTRICT A1 = lhs + (j+1)*lhsStride;
Scalar t0 = cjAlpha * rhs[j];
Packet ptmp0 = pset1<Packet>(t0);
@@ -147,7 +147,7 @@ EIGEN_DONT_INLINE void selfadjoint_matrix_vector_product<Scalar,Index,StorageOrd
}
for (Index j=FirstTriangular ? 0 : bound;j<(FirstTriangular ? bound : size);j++)
{
register const Scalar* EIGEN_RESTRICT A0 = lhs + j*lhsStride;
const Scalar* EIGEN_RESTRICT A0 = lhs + j*lhsStride;
Scalar t1 = cjAlpha * rhs[j];
Scalar t2(0);

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@@ -608,7 +608,7 @@ template<typename T> class aligned_stack_memory_handler
*/
#ifdef EIGEN_ALLOCA
#ifdef __arm__
#if defined(__arm__) || defined(_WIN32)
#define EIGEN_ALIGNED_ALLOCA(SIZE) reinterpret_cast<void*>((reinterpret_cast<size_t>(EIGEN_ALLOCA(SIZE+16)) & ~(size_t(15))) + 16)
#else
#define EIGEN_ALIGNED_ALLOCA EIGEN_ALLOCA
@@ -664,7 +664,9 @@ template<typename T> class aligned_stack_memory_handler
/* memory allocated we can safely let the default implementation handle */ \
/* this particular case. */ \
static void *operator new(size_t size, void *ptr) { return ::operator new(size,ptr); } \
static void *operator new[](size_t size, void* ptr) { return ::operator new[](size,ptr); } \
void operator delete(void * memory, void *ptr) throw() { return ::operator delete(memory,ptr); } \
void operator delete[](void * memory, void *ptr) throw() { return ::operator delete[](memory,ptr); } \
/* nothrow-new (returns zero instead of std::bad_alloc) */ \
EIGEN_MAKE_ALIGNED_OPERATOR_NEW_NOTHROW(NeedsToAlign) \
void operator delete(void *ptr, const std::nothrow_t&) throw() { \
@@ -759,11 +761,27 @@ public:
::new( p ) T( value );
}
#if (__cplusplus >= 201103L)
template <typename U, typename... Args>
void construct( U* u, Args&&... args)
{
::new( static_cast<void*>(u) ) U( std::forward<Args>( args )... );
}
#endif
void destroy( pointer p )
{
p->~T();
}
#if (__cplusplus >= 201103L)
template <typename U>
void destroy( U* u )
{
u->~U();
}
#endif
void deallocate( pointer p, size_type /*num*/ )
{
internal::aligned_free( p );

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@@ -756,7 +756,9 @@ struct direct_selfadjoint_eigenvalues<SolverType,2,false>
EIGEN_DEVICE_FUNC
static inline void run(SolverType& solver, const MatrixType& mat, int options)
{
using std::sqrt;
EIGEN_USING_STD_MATH(max)
EIGEN_USING_STD_MATH(sqrt);
eigen_assert(mat.cols() == 2 && mat.cols() == mat.rows());
eigen_assert((options&~(EigVecMask|GenEigMask))==0
&& (options&EigVecMask)!=EigVecMask
@@ -768,7 +770,7 @@ struct direct_selfadjoint_eigenvalues<SolverType,2,false>
// map the matrix coefficients to [-1:1] to avoid over- and underflow.
Scalar scale = mat.cwiseAbs().maxCoeff();
scale = (std::max)(scale,Scalar(1));
scale = (max)(scale,Scalar(1));
MatrixType scaledMat = mat / scale;
// Compute the eigenvalues

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@@ -28,7 +28,7 @@ namespace Eigen {
* * AngleAxisf(ea[2], Vector3f::UnitZ()); \endcode
* This corresponds to the right-multiply conventions (with right hand side frames).
*
* The returned angles are in the ranges [0:pi]x[0:pi]x[-pi:pi].
* The returned angles are in the ranges [0:pi]x[-pi:pi]x[-pi:pi].
*
* \sa class AngleAxis
*/

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@@ -150,10 +150,6 @@ public:
/** \returns the conjugated quaternion */
Quaternion<Scalar> conjugate() const;
/** \returns an interpolation for a constant motion between \a other and \c *this
* \a t in [0;1]
* see http://en.wikipedia.org/wiki/Slerp
*/
template<class OtherDerived> Quaternion<Scalar> slerp(const Scalar& t, const QuaternionBase<OtherDerived>& other) const;
/** \returns \c true if \c *this is approximately equal to \a other, within the precision
@@ -194,11 +190,11 @@ public:
* \brief The quaternion class used to represent 3D orientations and rotations
*
* \tparam _Scalar the scalar type, i.e., the type of the coefficients
* \tparam _Options controls the memory alignement of the coeffecients. Can be \# AutoAlign or \# DontAlign. Default is AutoAlign.
* \tparam _Options controls the memory alignment of the coefficients. Can be \# AutoAlign or \# DontAlign. Default is AutoAlign.
*
* This class represents a quaternion \f$ w+xi+yj+zk \f$ that is a convenient representation of
* orientations and rotations of objects in three dimensions. Compared to other representations
* like Euler angles or 3x3 matrices, quatertions offer the following advantages:
* like Euler angles or 3x3 matrices, quaternions offer the following advantages:
* \li \b compact storage (4 scalars)
* \li \b efficient to compose (28 flops),
* \li \b stable spherical interpolation
@@ -385,7 +381,7 @@ class Map<Quaternion<_Scalar>, _Options >
/** Constructs a Mapped Quaternion object from the pointer \a coeffs
*
* The pointer \a coeffs must reference the four coeffecients of Quaternion in the following order:
* The pointer \a coeffs must reference the four coefficients of Quaternion in the following order:
* \code *coeffs == {x, y, z, w} \endcode
*
* If the template parameter _Options is set to #Aligned, then the pointer coeffs must be aligned. */
@@ -399,16 +395,16 @@ class Map<Quaternion<_Scalar>, _Options >
};
/** \ingroup Geometry_Module
* Map an unaligned array of single precision scalar as a quaternion */
* Map an unaligned array of single precision scalars as a quaternion */
typedef Map<Quaternion<float>, 0> QuaternionMapf;
/** \ingroup Geometry_Module
* Map an unaligned array of double precision scalar as a quaternion */
* Map an unaligned array of double precision scalars as a quaternion */
typedef Map<Quaternion<double>, 0> QuaternionMapd;
/** \ingroup Geometry_Module
* Map a 16-bits aligned array of double precision scalars as a quaternion */
* Map a 16-byte aligned array of single precision scalars as a quaternion */
typedef Map<Quaternion<float>, Aligned> QuaternionMapAlignedf;
/** \ingroup Geometry_Module
* Map a 16-bits aligned array of double precision scalars as a quaternion */
* Map a 16-byte aligned array of double precision scalars as a quaternion */
typedef Map<Quaternion<double>, Aligned> QuaternionMapAlignedd;
/***************************************************************************
@@ -579,7 +575,7 @@ inline Derived& QuaternionBase<Derived>::setFromTwoVectors(const MatrixBase<Deri
Scalar c = v1.dot(v0);
// if dot == -1, vectors are nearly opposites
// => accuraletly compute the rotation axis by computing the
// => accurately compute the rotation axis by computing the
// intersection of the two planes. This is done by solving:
// x^T v0 = 0
// x^T v1 = 0
@@ -677,8 +673,13 @@ QuaternionBase<Derived>::angularDistance(const QuaternionBase<OtherDerived>& oth
return static_cast<Scalar>(2 * acos(d));
}
/** \returns the spherical linear interpolation between the two quaternions
* \c *this and \a other at the parameter \a t
* \c *this and \a other at the parameter \a t in [0;1].
*
* This represents an interpolation for a constant motion between \c *this and \a other,
* see also http://en.wikipedia.org/wiki/Slerp.
*/
template <class Derived>
template <class OtherDerived>

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@@ -530,9 +530,9 @@ public:
inline Transform& operator=(const UniformScaling<Scalar>& t);
inline Transform& operator*=(const UniformScaling<Scalar>& s) { return scale(s.factor()); }
inline Transform<Scalar,Dim,(int(Mode)==int(Isometry)?Affine:Isometry)> operator*(const UniformScaling<Scalar>& s) const
inline Transform<Scalar,Dim,(int(Mode)==int(Isometry)?Affine:Mode)> operator*(const UniformScaling<Scalar>& s) const
{
Transform<Scalar,Dim,(int(Mode)==int(Isometry)?Affine:Isometry),Options> res = *this;
Transform<Scalar,Dim,(int(Mode)==int(Isometry)?Affine:Mode),Options> res = *this;
res.scale(s.factor());
return res;
}
@@ -699,9 +699,13 @@ template<typename Scalar, int Dim, int Mode,int Options>
Transform<Scalar,Dim,Mode,Options>& Transform<Scalar,Dim,Mode,Options>::operator=(const QMatrix& other)
{
EIGEN_STATIC_ASSERT(Dim==2, YOU_MADE_A_PROGRAMMING_MISTAKE)
m_matrix << other.m11(), other.m21(), other.dx(),
other.m12(), other.m22(), other.dy(),
0, 0, 1;
if (Mode == int(AffineCompact))
m_matrix << other.m11(), other.m21(), other.dx(),
other.m12(), other.m22(), other.dy();
else
m_matrix << other.m11(), other.m21(), other.dx(),
other.m12(), other.m22(), other.dy(),
0, 0, 1;
return *this;
}

View File

@@ -33,13 +33,13 @@ struct traits<FullPivHouseholderQRMatrixQReturnType<MatrixType> >
*
* \param MatrixType the type of the matrix of which we are computing the QR decomposition
*
* This class performs a rank-revealing QR decomposition of a matrix \b A into matrices \b P, \b Q and \b R
* This class performs a rank-revealing QR decomposition of a matrix \b A into matrices \b P, \b P', \b Q and \b R
* such that
* \f[
* \mathbf{A} \, \mathbf{P} = \mathbf{Q} \, \mathbf{R}
* \mathbf{P} \, \mathbf{A} \, \mathbf{P}' = \mathbf{Q} \, \mathbf{R}
* \f]
* by using Householder transformations. Here, \b P is a permutation matrix, \b Q a unitary matrix and \b R an
* upper triangular matrix.
* by using Householder transformations. Here, \b P and \b P' are permutation matrices, \b Q a unitary matrix
* and \b R an upper triangular matrix.
*
* This decomposition performs a very prudent full pivoting in order to be rank-revealing and achieve optimal
* numerical stability. The trade-off is that it is slower than HouseholderQR and ColPivHouseholderQR.

View File

@@ -251,56 +251,62 @@ void householder_qr_inplace_unblocked(MatrixQR& mat, HCoeffs& hCoeffs, typename
}
/** \internal */
template<typename MatrixQR, typename HCoeffs>
void householder_qr_inplace_blocked(MatrixQR& mat, HCoeffs& hCoeffs,
typename MatrixQR::Index maxBlockSize=32,
typename MatrixQR::Scalar* tempData = 0)
template<typename MatrixQR, typename HCoeffs,
typename MatrixQRScalar = typename MatrixQR::Scalar,
bool InnerStrideIsOne = (MatrixQR::InnerStrideAtCompileTime == 1 && HCoeffs::InnerStrideAtCompileTime == 1)>
struct householder_qr_inplace_blocked
{
typedef typename MatrixQR::Index Index;
typedef typename MatrixQR::Scalar Scalar;
typedef Block<MatrixQR,Dynamic,Dynamic> BlockType;
Index rows = mat.rows();
Index cols = mat.cols();
Index size = (std::min)(rows, cols);
typedef Matrix<Scalar,Dynamic,1,ColMajor,MatrixQR::MaxColsAtCompileTime,1> TempType;
TempType tempVector;
if(tempData==0)
// This is specialized for MKL-supported Scalar types in HouseholderQR_MKL.h
static void run(MatrixQR& mat, HCoeffs& hCoeffs,
typename MatrixQR::Index maxBlockSize=32,
typename MatrixQR::Scalar* tempData = 0)
{
tempVector.resize(cols);
tempData = tempVector.data();
}
typedef typename MatrixQR::Index Index;
typedef typename MatrixQR::Scalar Scalar;
typedef Block<MatrixQR,Dynamic,Dynamic> BlockType;
Index blockSize = (std::min)(maxBlockSize,size);
Index rows = mat.rows();
Index cols = mat.cols();
Index size = (std::min)(rows, cols);
Index k = 0;
for (k = 0; k < size; k += blockSize)
{
Index bs = (std::min)(size-k,blockSize); // actual size of the block
Index tcols = cols - k - bs; // trailing columns
Index brows = rows-k; // rows of the block
// partition the matrix:
// A00 | A01 | A02
// mat = A10 | A11 | A12
// A20 | A21 | A22
// and performs the qr dec of [A11^T A12^T]^T
// and update [A21^T A22^T]^T using level 3 operations.
// Finally, the algorithm continue on A22
BlockType A11_21 = mat.block(k,k,brows,bs);
Block<HCoeffs,Dynamic,1> hCoeffsSegment = hCoeffs.segment(k,bs);
householder_qr_inplace_unblocked(A11_21, hCoeffsSegment, tempData);
if(tcols)
typedef Matrix<Scalar,Dynamic,1,ColMajor,MatrixQR::MaxColsAtCompileTime,1> TempType;
TempType tempVector;
if(tempData==0)
{
BlockType A21_22 = mat.block(k,k+bs,brows,tcols);
apply_block_householder_on_the_left(A21_22,A11_21,hCoeffsSegment.adjoint());
tempVector.resize(cols);
tempData = tempVector.data();
}
Index blockSize = (std::min)(maxBlockSize,size);
Index k = 0;
for (k = 0; k < size; k += blockSize)
{
Index bs = (std::min)(size-k,blockSize); // actual size of the block
Index tcols = cols - k - bs; // trailing columns
Index brows = rows-k; // rows of the block
// partition the matrix:
// A00 | A01 | A02
// mat = A10 | A11 | A12
// A20 | A21 | A22
// and performs the qr dec of [A11^T A12^T]^T
// and update [A21^T A22^T]^T using level 3 operations.
// Finally, the algorithm continue on A22
BlockType A11_21 = mat.block(k,k,brows,bs);
Block<HCoeffs,Dynamic,1> hCoeffsSegment = hCoeffs.segment(k,bs);
householder_qr_inplace_unblocked(A11_21, hCoeffsSegment, tempData);
if(tcols)
{
BlockType A21_22 = mat.block(k,k+bs,brows,tcols);
apply_block_householder_on_the_left(A21_22,A11_21,hCoeffsSegment.adjoint());
}
}
}
}
};
template<typename _MatrixType, typename Rhs>
struct solve_retval<HouseholderQR<_MatrixType>, Rhs>
@@ -352,7 +358,7 @@ HouseholderQR<MatrixType>& HouseholderQR<MatrixType>::compute(const MatrixType&
m_temp.resize(cols);
internal::householder_qr_inplace_blocked(m_qr, m_hCoeffs, 48, m_temp.data());
internal::householder_qr_inplace_blocked<MatrixType, HCoeffsType>::run(m_qr, m_hCoeffs, 48, m_temp.data());
m_isInitialized = true;
return *this;

View File

@@ -34,7 +34,7 @@
#ifndef EIGEN_QR_MKL_H
#define EIGEN_QR_MKL_H
#include "Eigen/src/Core/util/MKL_support.h"
#include "../Core/util/MKL_support.h"
namespace Eigen {
@@ -44,18 +44,20 @@ namespace internal {
#define EIGEN_MKL_QR_NOPIV(EIGTYPE, MKLTYPE, MKLPREFIX) \
template<typename MatrixQR, typename HCoeffs> \
void householder_qr_inplace_blocked(MatrixQR& mat, HCoeffs& hCoeffs, \
typename MatrixQR::Index maxBlockSize=32, \
EIGTYPE* tempData = 0) \
struct householder_qr_inplace_blocked<MatrixQR, HCoeffs, EIGTYPE, true> \
{ \
lapack_int m = mat.rows(); \
lapack_int n = mat.cols(); \
lapack_int lda = mat.outerStride(); \
lapack_int matrix_order = (MatrixQR::IsRowMajor) ? LAPACK_ROW_MAJOR : LAPACK_COL_MAJOR; \
LAPACKE_##MKLPREFIX##geqrf( matrix_order, m, n, (MKLTYPE*)mat.data(), lda, (MKLTYPE*)hCoeffs.data()); \
hCoeffs.adjointInPlace(); \
\
}
static void run(MatrixQR& mat, HCoeffs& hCoeffs, \
typename MatrixQR::Index = 32, \
typename MatrixQR::Scalar* = 0) \
{ \
lapack_int m = (lapack_int) mat.rows(); \
lapack_int n = (lapack_int) mat.cols(); \
lapack_int lda = (lapack_int) mat.outerStride(); \
lapack_int matrix_order = (MatrixQR::IsRowMajor) ? LAPACK_ROW_MAJOR : LAPACK_COL_MAJOR; \
LAPACKE_##MKLPREFIX##geqrf( matrix_order, m, n, (MKLTYPE*)mat.data(), lda, (MKLTYPE*)hCoeffs.data()); \
hCoeffs.adjointInPlace(); \
} \
};
EIGEN_MKL_QR_NOPIV(double, double, d)
EIGEN_MKL_QR_NOPIV(float, float, s)

View File

@@ -66,9 +66,9 @@ static void conservative_sparse_sparse_product_impl(const Lhs& lhs, const Rhs& r
}
// unordered insertion
for(int k=0; k<nnz; ++k)
for(Index k=0; k<nnz; ++k)
{
int i = indices[k];
Index i = indices[k];
res.insertBackByOuterInnerUnordered(j,i) = values[i];
mask[i] = false;
}
@@ -76,8 +76,8 @@ static void conservative_sparse_sparse_product_impl(const Lhs& lhs, const Rhs& r
#if 0
// alternative ordered insertion code:
int t200 = rows/(log2(200)*1.39);
int t = (rows*100)/139;
Index t200 = rows/(log2(200)*1.39);
Index t = (rows*100)/139;
// FIXME reserve nnz non zeros
// FIXME implement fast sort algorithms for very small nnz
@@ -90,9 +90,9 @@ static void conservative_sparse_sparse_product_impl(const Lhs& lhs, const Rhs& r
if(true)
{
if(nnz>1) std::sort(indices.data(),indices.data()+nnz);
for(int k=0; k<nnz; ++k)
for(Index k=0; k<nnz; ++k)
{
int i = indices[k];
Index i = indices[k];
res.insertBackByOuterInner(j,i) = values[i];
mask[i] = false;
}
@@ -100,7 +100,7 @@ static void conservative_sparse_sparse_product_impl(const Lhs& lhs, const Rhs& r
else
{
// dense path
for(int i=0; i<rows; ++i)
for(Index i=0; i<rows; ++i)
{
if(mask[i])
{
@@ -134,8 +134,8 @@ struct conservative_sparse_sparse_product_selector<Lhs,Rhs,ResultType,ColMajor,C
static void run(const Lhs& lhs, const Rhs& rhs, ResultType& res)
{
typedef SparseMatrix<typename ResultType::Scalar,RowMajor> RowMajorMatrix;
typedef SparseMatrix<typename ResultType::Scalar,ColMajor> ColMajorMatrix;
typedef SparseMatrix<typename ResultType::Scalar,RowMajor,typename ResultType::Index> RowMajorMatrix;
typedef SparseMatrix<typename ResultType::Scalar,ColMajor,typename ResultType::Index> ColMajorMatrix;
ColMajorMatrix resCol(lhs.rows(),rhs.cols());
internal::conservative_sparse_sparse_product_impl<Lhs,Rhs,ColMajorMatrix>(lhs, rhs, resCol);
// sort the non zeros:
@@ -149,7 +149,7 @@ struct conservative_sparse_sparse_product_selector<Lhs,Rhs,ResultType,RowMajor,C
{
static void run(const Lhs& lhs, const Rhs& rhs, ResultType& res)
{
typedef SparseMatrix<typename ResultType::Scalar,RowMajor> RowMajorMatrix;
typedef SparseMatrix<typename ResultType::Scalar,RowMajor,typename ResultType::Index> RowMajorMatrix;
RowMajorMatrix rhsRow = rhs;
RowMajorMatrix resRow(lhs.rows(), rhs.cols());
internal::conservative_sparse_sparse_product_impl<RowMajorMatrix,Lhs,RowMajorMatrix>(rhsRow, lhs, resRow);
@@ -162,7 +162,7 @@ struct conservative_sparse_sparse_product_selector<Lhs,Rhs,ResultType,ColMajor,R
{
static void run(const Lhs& lhs, const Rhs& rhs, ResultType& res)
{
typedef SparseMatrix<typename ResultType::Scalar,RowMajor> RowMajorMatrix;
typedef SparseMatrix<typename ResultType::Scalar,RowMajor,typename ResultType::Index> RowMajorMatrix;
RowMajorMatrix lhsRow = lhs;
RowMajorMatrix resRow(lhs.rows(), rhs.cols());
internal::conservative_sparse_sparse_product_impl<Rhs,RowMajorMatrix,RowMajorMatrix>(rhs, lhsRow, resRow);
@@ -175,7 +175,7 @@ struct conservative_sparse_sparse_product_selector<Lhs,Rhs,ResultType,RowMajor,R
{
static void run(const Lhs& lhs, const Rhs& rhs, ResultType& res)
{
typedef SparseMatrix<typename ResultType::Scalar,RowMajor> RowMajorMatrix;
typedef SparseMatrix<typename ResultType::Scalar,RowMajor,typename ResultType::Index> RowMajorMatrix;
RowMajorMatrix resRow(lhs.rows(), rhs.cols());
internal::conservative_sparse_sparse_product_impl<Rhs,Lhs,RowMajorMatrix>(rhs, lhs, resRow);
res = resRow;
@@ -190,7 +190,7 @@ struct conservative_sparse_sparse_product_selector<Lhs,Rhs,ResultType,ColMajor,C
static void run(const Lhs& lhs, const Rhs& rhs, ResultType& res)
{
typedef SparseMatrix<typename ResultType::Scalar,ColMajor> ColMajorMatrix;
typedef SparseMatrix<typename ResultType::Scalar,ColMajor,typename ResultType::Index> ColMajorMatrix;
ColMajorMatrix resCol(lhs.rows(), rhs.cols());
internal::conservative_sparse_sparse_product_impl<Lhs,Rhs,ColMajorMatrix>(lhs, rhs, resCol);
res = resCol;
@@ -202,7 +202,7 @@ struct conservative_sparse_sparse_product_selector<Lhs,Rhs,ResultType,RowMajor,C
{
static void run(const Lhs& lhs, const Rhs& rhs, ResultType& res)
{
typedef SparseMatrix<typename ResultType::Scalar,ColMajor> ColMajorMatrix;
typedef SparseMatrix<typename ResultType::Scalar,ColMajor,typename ResultType::Index> ColMajorMatrix;
ColMajorMatrix lhsCol = lhs;
ColMajorMatrix resCol(lhs.rows(), rhs.cols());
internal::conservative_sparse_sparse_product_impl<ColMajorMatrix,Rhs,ColMajorMatrix>(lhsCol, rhs, resCol);
@@ -215,7 +215,7 @@ struct conservative_sparse_sparse_product_selector<Lhs,Rhs,ResultType,ColMajor,R
{
static void run(const Lhs& lhs, const Rhs& rhs, ResultType& res)
{
typedef SparseMatrix<typename ResultType::Scalar,ColMajor> ColMajorMatrix;
typedef SparseMatrix<typename ResultType::Scalar,ColMajor,typename ResultType::Index> ColMajorMatrix;
ColMajorMatrix rhsCol = rhs;
ColMajorMatrix resCol(lhs.rows(), rhs.cols());
internal::conservative_sparse_sparse_product_impl<Lhs,ColMajorMatrix,ColMajorMatrix>(lhs, rhsCol, resCol);
@@ -228,8 +228,8 @@ struct conservative_sparse_sparse_product_selector<Lhs,Rhs,ResultType,RowMajor,R
{
static void run(const Lhs& lhs, const Rhs& rhs, ResultType& res)
{
typedef SparseMatrix<typename ResultType::Scalar,RowMajor> RowMajorMatrix;
typedef SparseMatrix<typename ResultType::Scalar,ColMajor> ColMajorMatrix;
typedef SparseMatrix<typename ResultType::Scalar,RowMajor,typename ResultType::Index> RowMajorMatrix;
typedef SparseMatrix<typename ResultType::Scalar,ColMajor,typename ResultType::Index> ColMajorMatrix;
RowMajorMatrix resRow(lhs.rows(),rhs.cols());
internal::conservative_sparse_sparse_product_impl<Rhs,Lhs,RowMajorMatrix>(rhs, lhs, resRow);
// sort the non zeros:

View File

@@ -335,6 +335,14 @@ const Block<const Derived,Dynamic,Dynamic,true> SparseMatrixBase<Derived>::inner
}
namespace internal {
template< typename XprType, int BlockRows, int BlockCols, bool InnerPanel,
bool OuterVector = (BlockCols==1 && XprType::IsRowMajor) || (BlockRows==1 && !XprType::IsRowMajor)>
class GenericSparseBlockInnerIteratorImpl;
}
/** Generic implementation of sparse Block expression.
* Real-only.
*/
@@ -342,11 +350,12 @@ template<typename XprType, int BlockRows, int BlockCols, bool InnerPanel>
class BlockImpl<XprType,BlockRows,BlockCols,InnerPanel,Sparse>
: public SparseMatrixBase<Block<XprType,BlockRows,BlockCols,InnerPanel> >, internal::no_assignment_operator
{
typedef typename internal::remove_all<typename XprType::Nested>::type _MatrixTypeNested;
typedef Block<XprType, BlockRows, BlockCols, InnerPanel> BlockType;
public:
enum { IsRowMajor = internal::traits<BlockType>::IsRowMajor };
EIGEN_SPARSE_PUBLIC_INTERFACE(BlockType)
typedef typename internal::remove_all<typename XprType::Nested>::type _MatrixTypeNested;
/** Column or Row constructor
*/
@@ -354,8 +363,8 @@ public:
: m_matrix(xpr),
m_startRow( (BlockRows==1) && (BlockCols==XprType::ColsAtCompileTime) ? i : 0),
m_startCol( (BlockRows==XprType::RowsAtCompileTime) && (BlockCols==1) ? i : 0),
m_blockRows(xpr.rows()),
m_blockCols(xpr.cols())
m_blockRows(BlockRows==1 ? 1 : xpr.rows()),
m_blockCols(BlockCols==1 ? 1 : xpr.cols())
{}
/** Dynamic-size constructor
@@ -394,29 +403,8 @@ public:
inline const _MatrixTypeNested& nestedExpression() const { return m_matrix; }
class InnerIterator : public _MatrixTypeNested::InnerIterator
{
typedef typename _MatrixTypeNested::InnerIterator Base;
const BlockType& m_block;
Index m_end;
public:
EIGEN_STRONG_INLINE InnerIterator(const BlockType& block, Index outer)
: Base(block.derived().nestedExpression(), outer + (IsRowMajor ? block.m_startRow.value() : block.m_startCol.value())),
m_block(block),
m_end(IsRowMajor ? block.m_startCol.value()+block.m_blockCols.value() : block.m_startRow.value()+block.m_blockRows.value())
{
while( (Base::operator bool()) && (Base::index() < (IsRowMajor ? m_block.m_startCol.value() : m_block.m_startRow.value())) )
Base::operator++();
}
inline Index index() const { return Base::index() - (IsRowMajor ? m_block.m_startCol.value() : m_block.m_startRow.value()); }
inline Index outer() const { return Base::outer() - (IsRowMajor ? m_block.m_startRow.value() : m_block.m_startCol.value()); }
inline Index row() const { return Base::row() - m_block.m_startRow.value(); }
inline Index col() const { return Base::col() - m_block.m_startCol.value(); }
inline operator bool() const { return Base::operator bool() && Base::index() < m_end; }
};
typedef internal::GenericSparseBlockInnerIteratorImpl<XprType,BlockRows,BlockCols,InnerPanel> InnerIterator;
class ReverseInnerIterator : public _MatrixTypeNested::ReverseInnerIterator
{
typedef typename _MatrixTypeNested::ReverseInnerIterator Base;
@@ -441,7 +429,7 @@ public:
inline operator bool() const { return Base::operator bool() && Base::index() >= m_begin; }
};
protected:
friend class InnerIterator;
friend class internal::GenericSparseBlockInnerIteratorImpl<XprType,BlockRows,BlockCols,InnerPanel>;
friend class ReverseInnerIterator;
EIGEN_INHERIT_ASSIGNMENT_OPERATORS(BlockImpl)
@@ -454,6 +442,100 @@ public:
};
namespace internal {
template<typename XprType, int BlockRows, int BlockCols, bool InnerPanel>
class GenericSparseBlockInnerIteratorImpl<XprType,BlockRows,BlockCols,InnerPanel,false> : public Block<XprType, BlockRows, BlockCols, InnerPanel>::_MatrixTypeNested::InnerIterator
{
typedef Block<XprType, BlockRows, BlockCols, InnerPanel> BlockType;
enum {
IsRowMajor = BlockType::IsRowMajor
};
typedef typename BlockType::_MatrixTypeNested _MatrixTypeNested;
typedef typename BlockType::Index Index;
typedef typename _MatrixTypeNested::InnerIterator Base;
const BlockType& m_block;
Index m_end;
public:
EIGEN_STRONG_INLINE GenericSparseBlockInnerIteratorImpl(const BlockType& block, Index outer)
: Base(block.derived().nestedExpression(), outer + (IsRowMajor ? block.m_startRow.value() : block.m_startCol.value())),
m_block(block),
m_end(IsRowMajor ? block.m_startCol.value()+block.m_blockCols.value() : block.m_startRow.value()+block.m_blockRows.value())
{
while( (Base::operator bool()) && (Base::index() < (IsRowMajor ? m_block.m_startCol.value() : m_block.m_startRow.value())) )
Base::operator++();
}
inline Index index() const { return Base::index() - (IsRowMajor ? m_block.m_startCol.value() : m_block.m_startRow.value()); }
inline Index outer() const { return Base::outer() - (IsRowMajor ? m_block.m_startRow.value() : m_block.m_startCol.value()); }
inline Index row() const { return Base::row() - m_block.m_startRow.value(); }
inline Index col() const { return Base::col() - m_block.m_startCol.value(); }
inline operator bool() const { return Base::operator bool() && Base::index() < m_end; }
};
// Row vector of a column-major sparse matrix or column of a row-major one.
template<typename XprType, int BlockRows, int BlockCols, bool InnerPanel>
class GenericSparseBlockInnerIteratorImpl<XprType,BlockRows,BlockCols,InnerPanel,true>
{
typedef Block<XprType, BlockRows, BlockCols, InnerPanel> BlockType;
enum {
IsRowMajor = BlockType::IsRowMajor
};
typedef typename BlockType::_MatrixTypeNested _MatrixTypeNested;
typedef typename BlockType::Index Index;
typedef typename BlockType::Scalar Scalar;
const BlockType& m_block;
Index m_outerPos;
Index m_innerIndex;
Scalar m_value;
Index m_end;
public:
EIGEN_STRONG_INLINE GenericSparseBlockInnerIteratorImpl(const BlockType& block, Index outer = 0)
:
m_block(block),
m_outerPos( (IsRowMajor ? block.m_startCol.value() : block.m_startRow.value()) - 1), // -1 so that operator++ finds the first non-zero entry
m_innerIndex(IsRowMajor ? block.m_startRow.value() : block.m_startCol.value()),
m_end(IsRowMajor ? block.m_startCol.value()+block.m_blockCols.value() : block.m_startRow.value()+block.m_blockRows.value())
{
EIGEN_UNUSED_VARIABLE(outer);
eigen_assert(outer==0);
++(*this);
}
inline Index index() const { return m_outerPos - (IsRowMajor ? m_block.m_startCol.value() : m_block.m_startRow.value()); }
inline Index outer() const { return 0; }
inline Index row() const { return IsRowMajor ? 0 : index(); }
inline Index col() const { return IsRowMajor ? index() : 0; }
inline Scalar value() const { return m_value; }
inline GenericSparseBlockInnerIteratorImpl& operator++()
{
// search next non-zero entry
while(m_outerPos<m_end)
{
m_outerPos++;
typename XprType::InnerIterator it(m_block.m_matrix, m_outerPos);
// search for the key m_innerIndex in the current outer-vector
while(it && it.index() < m_innerIndex) ++it;
if(it && it.index()==m_innerIndex)
{
m_value = it.value();
break;
}
}
return *this;
}
inline operator bool() const { return m_outerPos < m_end; }
};
} // end namespace internal
} // end namespace Eigen
#endif // EIGEN_SPARSE_BLOCK_H

View File

@@ -125,7 +125,7 @@ class SparseDenseOuterProduct<Lhs,Rhs,Transpose>::InnerIterator : public _LhsNes
inline Scalar value() const { return Base::value() * m_factor; }
protected:
int m_outer;
Index m_outer;
Scalar m_factor;
};
@@ -156,7 +156,7 @@ struct sparse_time_dense_product_impl<SparseLhsType,DenseRhsType,DenseResType, t
{
for(Index c=0; c<rhs.cols(); ++c)
{
int n = lhs.outerSize();
Index n = lhs.outerSize();
for(Index j=0; j<n; ++j)
{
typename Res::Scalar tmp(0);

View File

@@ -402,7 +402,7 @@ class SparseMatrix
* \sa insertBack, insertBackByOuterInner */
inline void startVec(Index outer)
{
eigen_assert(m_outerIndex[outer]==int(m_data.size()) && "You must call startVec for each inner vector sequentially");
eigen_assert(m_outerIndex[outer]==Index(m_data.size()) && "You must call startVec for each inner vector sequentially");
eigen_assert(m_outerIndex[outer+1]==0 && "You must call startVec for each inner vector sequentially");
m_outerIndex[outer+1] = m_outerIndex[outer];
}
@@ -480,7 +480,7 @@ class SparseMatrix
if(m_innerNonZeros != 0)
return;
m_innerNonZeros = static_cast<Index*>(std::malloc(m_outerSize * sizeof(Index)));
for (int i = 0; i < m_outerSize; i++)
for (Index i = 0; i < m_outerSize; i++)
{
m_innerNonZeros[i] = m_outerIndex[i+1] - m_outerIndex[i];
}
@@ -752,8 +752,8 @@ class SparseMatrix
else
for (Index i=0; i<m.outerSize(); ++i)
{
int p = m.m_outerIndex[i];
int pe = m.m_outerIndex[i]+m.m_innerNonZeros[i];
Index p = m.m_outerIndex[i];
Index pe = m.m_outerIndex[i]+m.m_innerNonZeros[i];
Index k=p;
for (; k<pe; ++k)
s << "(" << m.m_data.value(k) << "," << m.m_data.index(k) << ") ";
@@ -1022,7 +1022,7 @@ void SparseMatrix<Scalar,_Options,_Index>::sumupDuplicates()
wi.fill(-1);
Index count = 0;
// for each inner-vector, wi[inner_index] will hold the position of first element into the index/value buffers
for(int j=0; j<outerSize(); ++j)
for(Index j=0; j<outerSize(); ++j)
{
Index start = count;
Index oldEnd = m_outerIndex[j]+m_innerNonZeros[j];

View File

@@ -302,8 +302,8 @@ template<typename Derived> class SparseMatrixBase : public EigenBase<Derived>
}
else
{
SparseMatrix<Scalar, RowMajorBit> trans = m;
s << static_cast<const SparseMatrixBase<SparseMatrix<Scalar, RowMajorBit> >&>(trans);
SparseMatrix<Scalar, RowMajorBit, Index> trans = m;
s << static_cast<const SparseMatrixBase<SparseMatrix<Scalar, RowMajorBit, Index> >&>(trans);
}
}
return s;

View File

@@ -16,6 +16,7 @@ template<typename Lhs, typename Rhs>
struct SparseSparseProductReturnType
{
typedef typename internal::traits<Lhs>::Scalar Scalar;
typedef typename internal::traits<Lhs>::Index Index;
enum {
LhsRowMajor = internal::traits<Lhs>::Flags & RowMajorBit,
RhsRowMajor = internal::traits<Rhs>::Flags & RowMajorBit,
@@ -24,11 +25,11 @@ struct SparseSparseProductReturnType
};
typedef typename internal::conditional<TransposeLhs,
SparseMatrix<Scalar,0>,
SparseMatrix<Scalar,0,Index>,
typename internal::nested<Lhs,Rhs::RowsAtCompileTime>::type>::type LhsNested;
typedef typename internal::conditional<TransposeRhs,
SparseMatrix<Scalar,0>,
SparseMatrix<Scalar,0,Index>,
typename internal::nested<Rhs,Lhs::RowsAtCompileTime>::type>::type RhsNested;
typedef SparseSparseProduct<LhsNested, RhsNested> Type;

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@@ -27,7 +27,7 @@ static void sparse_sparse_product_with_pruning_impl(const Lhs& lhs, const Rhs& r
// make sure to call innerSize/outerSize since we fake the storage order.
Index rows = lhs.innerSize();
Index cols = rhs.outerSize();
//int size = lhs.outerSize();
//Index size = lhs.outerSize();
eigen_assert(lhs.outerSize() == rhs.innerSize());
// allocate a temporary buffer
@@ -100,7 +100,7 @@ struct sparse_sparse_product_with_pruning_selector<Lhs,Rhs,ResultType,ColMajor,C
static void run(const Lhs& lhs, const Rhs& rhs, ResultType& res, const RealScalar& tolerance)
{
// we need a col-major matrix to hold the result
typedef SparseMatrix<typename ResultType::Scalar> SparseTemporaryType;
typedef SparseMatrix<typename ResultType::Scalar,ColMajor,typename ResultType::Index> SparseTemporaryType;
SparseTemporaryType _res(res.rows(), res.cols());
internal::sparse_sparse_product_with_pruning_impl<Lhs,Rhs,SparseTemporaryType>(lhs, rhs, _res, tolerance);
res = _res;
@@ -126,10 +126,11 @@ struct sparse_sparse_product_with_pruning_selector<Lhs,Rhs,ResultType,RowMajor,R
typedef typename ResultType::RealScalar RealScalar;
static void run(const Lhs& lhs, const Rhs& rhs, ResultType& res, const RealScalar& tolerance)
{
typedef SparseMatrix<typename ResultType::Scalar,ColMajor> ColMajorMatrix;
ColMajorMatrix colLhs(lhs);
ColMajorMatrix colRhs(rhs);
internal::sparse_sparse_product_with_pruning_impl<ColMajorMatrix,ColMajorMatrix,ResultType>(colLhs, colRhs, res, tolerance);
typedef SparseMatrix<typename ResultType::Scalar,ColMajor,typename Lhs::Index> ColMajorMatrixLhs;
typedef SparseMatrix<typename ResultType::Scalar,ColMajor,typename Lhs::Index> ColMajorMatrixRhs;
ColMajorMatrixLhs colLhs(lhs);
ColMajorMatrixRhs colRhs(rhs);
internal::sparse_sparse_product_with_pruning_impl<ColMajorMatrixLhs,ColMajorMatrixRhs,ResultType>(colLhs, colRhs, res, tolerance);
// let's transpose the product to get a column x column product
// typedef SparseMatrix<typename ResultType::Scalar> SparseTemporaryType;

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@@ -70,7 +70,7 @@ Index SparseLUImpl<Scalar,Index>::expand(VectorType& vec, Index& length, Index
if(num_expansions == 0 || keep_prev)
new_len = length ; // First time allocate requested
else
new_len = Index(alpha * length);
new_len = (std::max)(length+1,Index(alpha * length));
VectorType old_vec; // Temporary vector to hold the previous values
if (nbElts > 0 )
@@ -107,7 +107,7 @@ Index SparseLUImpl<Scalar,Index>::expand(VectorType& vec, Index& length, Index
do
{
alpha = (alpha + 1)/2;
new_len = Index(alpha * length);
new_len = (std::max)(length+1,Index(alpha * length));
#ifdef EIGEN_EXCEPTIONS
try
#endif

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@@ -54,8 +54,10 @@ template<typename _DecompositionType, typename Rhs> struct sparse_solve_retval_b
static const int NbColsAtOnce = 4;
int rhsCols = m_rhs.cols();
int size = m_rhs.rows();
Eigen::Matrix<DestScalar,Dynamic,Dynamic> tmp(size,rhsCols);
Eigen::Matrix<DestScalar,Dynamic,Dynamic> tmpX(size,rhsCols);
// the temporary matrices do not need more columns than NbColsAtOnce:
int tmpCols = (std::min)(rhsCols, NbColsAtOnce);
Eigen::Matrix<DestScalar,Dynamic,Dynamic> tmp(size,tmpCols);
Eigen::Matrix<DestScalar,Dynamic,Dynamic> tmpX(size,tmpCols);
for(int k=0; k<rhsCols; k+=NbColsAtOnce)
{
int actualCols = std::min<int>(rhsCols-k, NbColsAtOnce);

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@@ -119,13 +119,13 @@ inline const Block<const Derived, CRows, CCols> topRightCorner() const
/** \returns an expression of a top-right corner of *this.
*
* \tparam CRows number of rows in corner as specified at compile time
* \tparam CCols number of columns in corner as specified at compile time
* \param cRows number of rows in corner as specified at run time
* \param cCols number of columns in corner as specified at run time
* \tparam CRows number of rows in corner as specified at compile-time
* \tparam CCols number of columns in corner as specified at compile-time
* \param cRows number of rows in corner as specified at run-time
* \param cCols number of columns in corner as specified at run-time
*
* This function is mainly useful for corners where the number of rows is specified at compile time
* and the number of columns is specified at run time, or vice versa. The compile-time and run-time
* This function is mainly useful for corners where the number of rows is specified at compile-time
* and the number of columns is specified at run-time, or vice versa. The compile-time and run-time
* information should not contradict. In other words, \a cRows should equal \a CRows unless
* \a CRows is \a Dynamic, and the same for the number of columns.
*
@@ -198,13 +198,13 @@ inline const Block<const Derived, CRows, CCols> topLeftCorner() const
/** \returns an expression of a top-left corner of *this.
*
* \tparam CRows number of rows in corner as specified at compile time
* \tparam CCols number of columns in corner as specified at compile time
* \param cRows number of rows in corner as specified at run time
* \param cCols number of columns in corner as specified at run time
* \tparam CRows number of rows in corner as specified at compile-time
* \tparam CCols number of columns in corner as specified at compile-time
* \param cRows number of rows in corner as specified at run-time
* \param cCols number of columns in corner as specified at run-time
*
* This function is mainly useful for corners where the number of rows is specified at compile time
* and the number of columns is specified at run time, or vice versa. The compile-time and run-time
* This function is mainly useful for corners where the number of rows is specified at compile-time
* and the number of columns is specified at run-time, or vice versa. The compile-time and run-time
* information should not contradict. In other words, \a cRows should equal \a CRows unless
* \a CRows is \a Dynamic, and the same for the number of columns.
*
@@ -277,13 +277,13 @@ inline const Block<const Derived, CRows, CCols> bottomRightCorner() const
/** \returns an expression of a bottom-right corner of *this.
*
* \tparam CRows number of rows in corner as specified at compile time
* \tparam CCols number of columns in corner as specified at compile time
* \param cRows number of rows in corner as specified at run time
* \param cCols number of columns in corner as specified at run time
* \tparam CRows number of rows in corner as specified at compile-time
* \tparam CCols number of columns in corner as specified at compile-time
* \param cRows number of rows in corner as specified at run-time
* \param cCols number of columns in corner as specified at run-time
*
* This function is mainly useful for corners where the number of rows is specified at compile time
* and the number of columns is specified at run time, or vice versa. The compile-time and run-time
* This function is mainly useful for corners where the number of rows is specified at compile-time
* and the number of columns is specified at run-time, or vice versa. The compile-time and run-time
* information should not contradict. In other words, \a cRows should equal \a CRows unless
* \a CRows is \a Dynamic, and the same for the number of columns.
*
@@ -356,13 +356,13 @@ inline const Block<const Derived, CRows, CCols> bottomLeftCorner() const
/** \returns an expression of a bottom-left corner of *this.
*
* \tparam CRows number of rows in corner as specified at compile time
* \tparam CCols number of columns in corner as specified at compile time
* \param cRows number of rows in corner as specified at run time
* \param cCols number of columns in corner as specified at run time
* \tparam CRows number of rows in corner as specified at compile-time
* \tparam CCols number of columns in corner as specified at compile-time
* \param cRows number of rows in corner as specified at run-time
* \param cCols number of columns in corner as specified at run-time
*
* This function is mainly useful for corners where the number of rows is specified at compile time
* and the number of columns is specified at run time, or vice versa. The compile-time and run-time
* This function is mainly useful for corners where the number of rows is specified at compile-time
* and the number of columns is specified at run-time, or vice versa. The compile-time and run-time
* information should not contradict. In other words, \a cRows should equal \a CRows unless
* \a CRows is \a Dynamic, and the same for the number of columns.
*
@@ -410,7 +410,11 @@ inline ConstRowsBlockXpr topRows(Index n) const
/** \returns a block consisting of the top rows of *this.
*
* \tparam N the number of rows in the block
* \tparam N the number of rows in the block as specified at compile-time
* \param n the number of rows in the block as specified at run-time
*
* The compile-time and run-time information should not contradict. In other words,
* \a n should equal \a N unless \a N is \a Dynamic.
*
* Example: \include MatrixBase_template_int_topRows.cpp
* Output: \verbinclude MatrixBase_template_int_topRows.out
@@ -419,17 +423,17 @@ inline ConstRowsBlockXpr topRows(Index n) const
*/
template<int N>
EIGEN_DEVICE_FUNC
inline typename NRowsBlockXpr<N>::Type topRows()
inline typename NRowsBlockXpr<N>::Type topRows(Index n = N)
{
return typename NRowsBlockXpr<N>::Type(derived(), 0, 0, N, cols());
return typename NRowsBlockXpr<N>::Type(derived(), 0, 0, n, cols());
}
/** This is the const version of topRows<int>().*/
template<int N>
EIGEN_DEVICE_FUNC
inline typename ConstNRowsBlockXpr<N>::Type topRows() const
inline typename ConstNRowsBlockXpr<N>::Type topRows(Index n = N) const
{
return typename ConstNRowsBlockXpr<N>::Type(derived(), 0, 0, N, cols());
return typename ConstNRowsBlockXpr<N>::Type(derived(), 0, 0, n, cols());
}
@@ -458,7 +462,11 @@ inline ConstRowsBlockXpr bottomRows(Index n) const
/** \returns a block consisting of the bottom rows of *this.
*
* \tparam N the number of rows in the block
* \tparam N the number of rows in the block as specified at compile-time
* \param n the number of rows in the block as specified at run-time
*
* The compile-time and run-time information should not contradict. In other words,
* \a n should equal \a N unless \a N is \a Dynamic.
*
* Example: \include MatrixBase_template_int_bottomRows.cpp
* Output: \verbinclude MatrixBase_template_int_bottomRows.out
@@ -467,17 +475,17 @@ inline ConstRowsBlockXpr bottomRows(Index n) const
*/
template<int N>
EIGEN_DEVICE_FUNC
inline typename NRowsBlockXpr<N>::Type bottomRows()
inline typename NRowsBlockXpr<N>::Type bottomRows(Index n = N)
{
return typename NRowsBlockXpr<N>::Type(derived(), rows() - N, 0, N, cols());
return typename NRowsBlockXpr<N>::Type(derived(), rows() - n, 0, n, cols());
}
/** This is the const version of bottomRows<int>().*/
template<int N>
EIGEN_DEVICE_FUNC
inline typename ConstNRowsBlockXpr<N>::Type bottomRows() const
inline typename ConstNRowsBlockXpr<N>::Type bottomRows(Index n = N) const
{
return typename ConstNRowsBlockXpr<N>::Type(derived(), rows() - N, 0, N, cols());
return typename ConstNRowsBlockXpr<N>::Type(derived(), rows() - n, 0, n, cols());
}
@@ -485,7 +493,7 @@ inline typename ConstNRowsBlockXpr<N>::Type bottomRows() const
/** \returns a block consisting of a range of rows of *this.
*
* \param startRow the index of the first row in the block
* \param numRows the number of rows in the block
* \param n the number of rows in the block
*
* Example: \include DenseBase_middleRows_int.cpp
* Output: \verbinclude DenseBase_middleRows_int.out
@@ -493,22 +501,26 @@ inline typename ConstNRowsBlockXpr<N>::Type bottomRows() const
* \sa class Block, block(Index,Index,Index,Index)
*/
EIGEN_DEVICE_FUNC
inline RowsBlockXpr middleRows(Index startRow, Index numRows)
inline RowsBlockXpr middleRows(Index startRow, Index n)
{
return RowsBlockXpr(derived(), startRow, 0, numRows, cols());
return RowsBlockXpr(derived(), startRow, 0, n, cols());
}
/** This is the const version of middleRows(Index,Index).*/
EIGEN_DEVICE_FUNC
inline ConstRowsBlockXpr middleRows(Index startRow, Index numRows) const
inline ConstRowsBlockXpr middleRows(Index startRow, Index n) const
{
return ConstRowsBlockXpr(derived(), startRow, 0, numRows, cols());
return ConstRowsBlockXpr(derived(), startRow, 0, n, cols());
}
/** \returns a block consisting of a range of rows of *this.
*
* \tparam N the number of rows in the block
* \tparam N the number of rows in the block as specified at compile-time
* \param startRow the index of the first row in the block
* \param n the number of rows in the block as specified at run-time
*
* The compile-time and run-time information should not contradict. In other words,
* \a n should equal \a N unless \a N is \a Dynamic.
*
* Example: \include DenseBase_template_int_middleRows.cpp
* Output: \verbinclude DenseBase_template_int_middleRows.out
@@ -517,17 +529,17 @@ inline ConstRowsBlockXpr middleRows(Index startRow, Index numRows) const
*/
template<int N>
EIGEN_DEVICE_FUNC
inline typename NRowsBlockXpr<N>::Type middleRows(Index startRow)
inline typename NRowsBlockXpr<N>::Type middleRows(Index startRow, Index n = N)
{
return typename NRowsBlockXpr<N>::Type(derived(), startRow, 0, N, cols());
return typename NRowsBlockXpr<N>::Type(derived(), startRow, 0, n, cols());
}
/** This is the const version of middleRows<int>().*/
template<int N>
EIGEN_DEVICE_FUNC
inline typename ConstNRowsBlockXpr<N>::Type middleRows(Index startRow) const
inline typename ConstNRowsBlockXpr<N>::Type middleRows(Index startRow, Index n = N) const
{
return typename ConstNRowsBlockXpr<N>::Type(derived(), startRow, 0, N, cols());
return typename ConstNRowsBlockXpr<N>::Type(derived(), startRow, 0, n, cols());
}
@@ -556,7 +568,11 @@ inline ConstColsBlockXpr leftCols(Index n) const
/** \returns a block consisting of the left columns of *this.
*
* \tparam N the number of columns in the block
* \tparam N the number of columns in the block as specified at compile-time
* \param n the number of columns in the block as specified at run-time
*
* The compile-time and run-time information should not contradict. In other words,
* \a n should equal \a N unless \a N is \a Dynamic.
*
* Example: \include MatrixBase_template_int_leftCols.cpp
* Output: \verbinclude MatrixBase_template_int_leftCols.out
@@ -565,17 +581,17 @@ inline ConstColsBlockXpr leftCols(Index n) const
*/
template<int N>
EIGEN_DEVICE_FUNC
inline typename NColsBlockXpr<N>::Type leftCols()
inline typename NColsBlockXpr<N>::Type leftCols(Index n = N)
{
return typename NColsBlockXpr<N>::Type(derived(), 0, 0, rows(), N);
return typename NColsBlockXpr<N>::Type(derived(), 0, 0, rows(), n);
}
/** This is the const version of leftCols<int>().*/
template<int N>
EIGEN_DEVICE_FUNC
inline typename ConstNColsBlockXpr<N>::Type leftCols() const
inline typename ConstNColsBlockXpr<N>::Type leftCols(Index n = N) const
{
return typename ConstNColsBlockXpr<N>::Type(derived(), 0, 0, rows(), N);
return typename ConstNColsBlockXpr<N>::Type(derived(), 0, 0, rows(), n);
}
@@ -604,7 +620,11 @@ inline ConstColsBlockXpr rightCols(Index n) const
/** \returns a block consisting of the right columns of *this.
*
* \tparam N the number of columns in the block
* \tparam N the number of columns in the block as specified at compile-time
* \param n the number of columns in the block as specified at run-time
*
* The compile-time and run-time information should not contradict. In other words,
* \a n should equal \a N unless \a N is \a Dynamic.
*
* Example: \include MatrixBase_template_int_rightCols.cpp
* Output: \verbinclude MatrixBase_template_int_rightCols.out
@@ -613,17 +633,17 @@ inline ConstColsBlockXpr rightCols(Index n) const
*/
template<int N>
EIGEN_DEVICE_FUNC
inline typename NColsBlockXpr<N>::Type rightCols()
inline typename NColsBlockXpr<N>::Type rightCols(Index n = N)
{
return typename NColsBlockXpr<N>::Type(derived(), 0, cols() - N, rows(), N);
return typename NColsBlockXpr<N>::Type(derived(), 0, cols() - n, rows(), n);
}
/** This is the const version of rightCols<int>().*/
template<int N>
EIGEN_DEVICE_FUNC
inline typename ConstNColsBlockXpr<N>::Type rightCols() const
inline typename ConstNColsBlockXpr<N>::Type rightCols(Index n = N) const
{
return typename ConstNColsBlockXpr<N>::Type(derived(), 0, cols() - N, rows(), N);
return typename ConstNColsBlockXpr<N>::Type(derived(), 0, cols() - n, rows(), n);
}
@@ -653,8 +673,12 @@ inline ConstColsBlockXpr middleCols(Index startCol, Index numCols) const
/** \returns a block consisting of a range of columns of *this.
*
* \tparam N the number of columns in the block
* \tparam N the number of columns in the block as specified at compile-time
* \param startCol the index of the first column in the block
* \param n the number of columns in the block as specified at run-time
*
* The compile-time and run-time information should not contradict. In other words,
* \a n should equal \a N unless \a N is \a Dynamic.
*
* Example: \include DenseBase_template_int_middleCols.cpp
* Output: \verbinclude DenseBase_template_int_middleCols.out
@@ -663,17 +687,17 @@ inline ConstColsBlockXpr middleCols(Index startCol, Index numCols) const
*/
template<int N>
EIGEN_DEVICE_FUNC
inline typename NColsBlockXpr<N>::Type middleCols(Index startCol)
inline typename NColsBlockXpr<N>::Type middleCols(Index startCol, Index n = N)
{
return typename NColsBlockXpr<N>::Type(derived(), 0, startCol, rows(), N);
return typename NColsBlockXpr<N>::Type(derived(), 0, startCol, rows(), n);
}
/** This is the const version of middleCols<int>().*/
template<int N>
EIGEN_DEVICE_FUNC
inline typename ConstNColsBlockXpr<N>::Type middleCols(Index startCol) const
inline typename ConstNColsBlockXpr<N>::Type middleCols(Index startCol, Index n = N) const
{
return typename ConstNColsBlockXpr<N>::Type(derived(), 0, startCol, rows(), N);
return typename ConstNColsBlockXpr<N>::Type(derived(), 0, startCol, rows(), n);
}
@@ -711,15 +735,15 @@ inline const Block<const Derived, BlockRows, BlockCols> block(Index startRow, In
/** \returns an expression of a block in *this.
*
* \tparam BlockRows number of rows in block as specified at compile time
* \tparam BlockCols number of columns in block as specified at compile time
* \tparam BlockRows number of rows in block as specified at compile-time
* \tparam BlockCols number of columns in block as specified at compile-time
* \param startRow the first row in the block
* \param startCol the first column in the block
* \param blockRows number of rows in block as specified at run time
* \param blockCols number of columns in block as specified at run time
* \param blockRows number of rows in block as specified at run-time
* \param blockCols number of columns in block as specified at run-time
*
* This function is mainly useful for blocks where the number of rows is specified at compile time
* and the number of columns is specified at run time, or vice versa. The compile-time and run-time
* This function is mainly useful for blocks where the number of rows is specified at compile-time
* and the number of columns is specified at run-time, or vice versa. The compile-time and run-time
* information should not contradict. In other words, \a blockRows should equal \a BlockRows unless
* \a BlockRows is \a Dynamic, and the same for the number of columns.
*
@@ -786,7 +810,7 @@ inline ConstRowXpr row(Index i) const
* \only_for_vectors
*
* \param start the first coefficient in the segment
* \param vecSize the number of coefficients in the segment
* \param n the number of coefficients in the segment
*
* Example: \include MatrixBase_segment_int_int.cpp
* Output: \verbinclude MatrixBase_segment_int_int.out
@@ -798,26 +822,26 @@ inline ConstRowXpr row(Index i) const
* \sa class Block, segment(Index)
*/
EIGEN_DEVICE_FUNC
inline SegmentReturnType segment(Index start, Index vecSize)
inline SegmentReturnType segment(Index start, Index n)
{
EIGEN_STATIC_ASSERT_VECTOR_ONLY(Derived)
return SegmentReturnType(derived(), start, vecSize);
return SegmentReturnType(derived(), start, n);
}
/** This is the const version of segment(Index,Index).*/
EIGEN_DEVICE_FUNC
inline ConstSegmentReturnType segment(Index start, Index vecSize) const
inline ConstSegmentReturnType segment(Index start, Index n) const
{
EIGEN_STATIC_ASSERT_VECTOR_ONLY(Derived)
return ConstSegmentReturnType(derived(), start, vecSize);
return ConstSegmentReturnType(derived(), start, n);
}
/** \returns a dynamic-size expression of the first coefficients of *this.
*
* \only_for_vectors
*
* \param vecSize the number of coefficients in the block
* \param n the number of coefficients in the segment
*
* Example: \include MatrixBase_start_int.cpp
* Output: \verbinclude MatrixBase_start_int.out
@@ -829,26 +853,25 @@ inline ConstSegmentReturnType segment(Index start, Index vecSize) const
* \sa class Block, block(Index,Index)
*/
EIGEN_DEVICE_FUNC
inline SegmentReturnType head(Index vecSize)
inline SegmentReturnType head(Index n)
{
EIGEN_STATIC_ASSERT_VECTOR_ONLY(Derived)
return SegmentReturnType(derived(), 0, vecSize);
return SegmentReturnType(derived(), 0, n);
}
/** This is the const version of head(Index).*/
EIGEN_DEVICE_FUNC
inline ConstSegmentReturnType
head(Index vecSize) const
inline ConstSegmentReturnType head(Index n) const
{
EIGEN_STATIC_ASSERT_VECTOR_ONLY(Derived)
return ConstSegmentReturnType(derived(), 0, vecSize);
return ConstSegmentReturnType(derived(), 0, n);
}
/** \returns a dynamic-size expression of the last coefficients of *this.
*
* \only_for_vectors
*
* \param vecSize the number of coefficients in the block
* \param n the number of coefficients in the segment
*
* Example: \include MatrixBase_end_int.cpp
* Output: \verbinclude MatrixBase_end_int.out
@@ -860,102 +883,113 @@ inline ConstSegmentReturnType
* \sa class Block, block(Index,Index)
*/
EIGEN_DEVICE_FUNC
inline SegmentReturnType tail(Index vecSize)
inline SegmentReturnType tail(Index n)
{
EIGEN_STATIC_ASSERT_VECTOR_ONLY(Derived)
return SegmentReturnType(derived(), this->size() - vecSize, vecSize);
return SegmentReturnType(derived(), this->size() - n, n);
}
/** This is the const version of tail(Index).*/
EIGEN_DEVICE_FUNC
inline ConstSegmentReturnType tail(Index vecSize) const
inline ConstSegmentReturnType tail(Index n) const
{
EIGEN_STATIC_ASSERT_VECTOR_ONLY(Derived)
return ConstSegmentReturnType(derived(), this->size() - vecSize, vecSize);
return ConstSegmentReturnType(derived(), this->size() - n, n);
}
/** \returns a fixed-size expression of a segment (i.e. a vector block) in \c *this
*
* \only_for_vectors
*
* The template parameter \a Size is the number of coefficients in the block
* \tparam N the number of coefficients in the segment as specified at compile-time
* \param start the index of the first element in the segment
* \param n the number of coefficients in the segment as specified at compile-time
*
* \param start the index of the first element of the sub-vector
* The compile-time and run-time information should not contradict. In other words,
* \a n should equal \a N unless \a N is \a Dynamic.
*
* Example: \include MatrixBase_template_int_segment.cpp
* Output: \verbinclude MatrixBase_template_int_segment.out
*
* \sa class Block
*/
template<int Size>
template<int N>
EIGEN_DEVICE_FUNC
inline typename FixedSegmentReturnType<Size>::Type segment(Index start)
inline typename FixedSegmentReturnType<N>::Type segment(Index start, Index n = N)
{
EIGEN_STATIC_ASSERT_VECTOR_ONLY(Derived)
return typename FixedSegmentReturnType<Size>::Type(derived(), start);
return typename FixedSegmentReturnType<N>::Type(derived(), start, n);
}
/** This is the const version of segment<int>(Index).*/
template<int Size>
template<int N>
EIGEN_DEVICE_FUNC
inline typename ConstFixedSegmentReturnType<Size>::Type segment(Index start) const
inline typename ConstFixedSegmentReturnType<N>::Type segment(Index start, Index n = N) const
{
EIGEN_STATIC_ASSERT_VECTOR_ONLY(Derived)
return typename ConstFixedSegmentReturnType<Size>::Type(derived(), start);
return typename ConstFixedSegmentReturnType<N>::Type(derived(), start, n);
}
/** \returns a fixed-size expression of the first coefficients of *this.
*
* \only_for_vectors
*
* The template parameter \a Size is the number of coefficients in the block
* \tparam N the number of coefficients in the segment as specified at compile-time
* \param n the number of coefficients in the segment as specified at run-time
*
* The compile-time and run-time information should not contradict. In other words,
* \a n should equal \a N unless \a N is \a Dynamic.
*
* Example: \include MatrixBase_template_int_start.cpp
* Output: \verbinclude MatrixBase_template_int_start.out
*
* \sa class Block
*/
template<int Size>
template<int N>
EIGEN_DEVICE_FUNC
inline typename FixedSegmentReturnType<Size>::Type head()
inline typename FixedSegmentReturnType<N>::Type head(Index n = N)
{
EIGEN_STATIC_ASSERT_VECTOR_ONLY(Derived)
return typename FixedSegmentReturnType<Size>::Type(derived(), 0);
return typename FixedSegmentReturnType<N>::Type(derived(), 0, n);
}
/** This is the const version of head<int>().*/
template<int Size>
template<int N>
EIGEN_DEVICE_FUNC
inline typename ConstFixedSegmentReturnType<Size>::Type head() const
inline typename ConstFixedSegmentReturnType<N>::Type head(Index n = N) const
{
EIGEN_STATIC_ASSERT_VECTOR_ONLY(Derived)
return typename ConstFixedSegmentReturnType<Size>::Type(derived(), 0);
return typename ConstFixedSegmentReturnType<N>::Type(derived(), 0, n);
}
/** \returns a fixed-size expression of the last coefficients of *this.
*
* \only_for_vectors
*
* The template parameter \a Size is the number of coefficients in the block
* \tparam N the number of coefficients in the segment as specified at compile-time
* \param n the number of coefficients in the segment as specified at run-time
*
* The compile-time and run-time information should not contradict. In other words,
* \a n should equal \a N unless \a N is \a Dynamic.
*
* Example: \include MatrixBase_template_int_end.cpp
* Output: \verbinclude MatrixBase_template_int_end.out
*
* \sa class Block
*/
template<int Size>
template<int N>
EIGEN_DEVICE_FUNC
inline typename FixedSegmentReturnType<Size>::Type tail()
inline typename FixedSegmentReturnType<N>::Type tail(Index n = N)
{
EIGEN_STATIC_ASSERT_VECTOR_ONLY(Derived)
return typename FixedSegmentReturnType<Size>::Type(derived(), size() - Size);
return typename FixedSegmentReturnType<N>::Type(derived(), size() - n);
}
/** This is the const version of tail<int>.*/
template<int Size>
template<int N>
EIGEN_DEVICE_FUNC
inline typename ConstFixedSegmentReturnType<Size>::Type tail() const
inline typename ConstFixedSegmentReturnType<N>::Type tail(Index n = N) const
{
EIGEN_STATIC_ASSERT_VECTOR_ONLY(Derived)
return typename ConstFixedSegmentReturnType<Size>::Type(derived(), size() - Size);
return typename ConstFixedSegmentReturnType<N>::Type(derived(), size() - n);
}