Delete questionable files

From-SVN: r28463
This commit is contained in:
Jeff Law 1999-08-03 03:40:46 -06:00
parent 392dccb7d3
commit cf836b0025

View File

@ -1,373 +0,0 @@
template<class View, class W>
class TinyContainer {
public:
typedef W T_Wrapped;
TinyContainer() { }
TinyContainer(View data) : m_data(data) { }
T_Wrapped &unwrap()
{
return *static_cast<T_Wrapped *>(this);
}
const T_Wrapped &unwrap() const
{
return *static_cast<const T_Wrapped *>(this);
}
protected:
mutable View m_data;
};
template<class Op, class Left, class Right>
class TinyBinaryExpr :
public TinyContainer< Op, TinyBinaryExpr<Op, Left, Right> > {
public:
typedef typename Left::T_Return T_Return;
typedef TinyBinaryExpr<Op, Left, Right> T_Expr;
T_Expr makeExpr() const { return *this; }
TinyBinaryExpr(const Op &op, const Left &left, const Right &right)
: TinyContainer< Op, TinyBinaryExpr<Op, Left, Right> >(op),
m_left(left), m_right(right)
{ }
TinyBinaryExpr(const Left &left, const Right &right)
: m_left(left), m_right(right)
{ }
Op op() const { return m_data; }
Left left() const { return m_left; }
Right right() const { return m_right; }
private:
Left m_left;
Right m_right;
};
struct OpAdd {
template<class T1, class T2>
static T1 apply(const T1 &l, const T2 &r)
{
return l + r;
}
};
template<class V1, class T1, class V2, class T2>
inline TinyBinaryExpr<OpAdd, typename T1::T_Expr, typename T2::T_Expr>
operator+(const TinyContainer<V1,T1>& l, const TinyContainer<V2,T2>& r)
{
typedef TinyBinaryExpr<OpAdd, typename T1::T_Expr, typename T2::T_Expr> ret;
return ret(l.unwrap().makeExpr(), r.unwrap().makeExpr());
}
template<class Op, class T1, class T2, class Functor>
inline
typename T1::T_Return
for_each(const TinyBinaryExpr<Op,T1,T2>& node, Functor f)
{
return Op::apply(for_each(node.left(),f), for_each(node.right(),f));
}
template<class T, unsigned Nrows, unsigned Ncols, unsigned S1, unsigned S2>
class DenseDataView
: public TinyContainer< T*, DenseDataView<T, Nrows, Ncols, S1, S2> > {
public:
typedef T T_Return;
typedef DenseDataView<T, Nrows, Ncols, S1, S2> T_Expr;
T_Expr makeExpr() const { return *this; }
T *beginLoc(unsigned i, unsigned j) const
{ return m_data + S1 * i + S2 * j; }
DenseDataView(T *pData)
: TinyContainer< T*, DenseDataView<T, Nrows, Ncols, S1, S2> >(pData) { }
T &offset(unsigned i, unsigned j)
{
return m_data[S1 * i + S2 * j];
}
T offset(unsigned i, unsigned j) const
{
return m_data[S1 * i + S2 * j];
}
template<unsigned I, unsigned J>
struct Offset {
static T &apply(DenseDataView<T, Nrows, Ncols, S1, S2> &d)
{
return d.m_data[S1 * I + S2 * J];
}
static T constApply(const DenseDataView<T, Nrows, Ncols, S1, S2> &d)
{
return d.m_data[S1 * I + S2 * J];
}
};
};
template<unsigned I, unsigned J>
struct Eval2 { };
template<class T, unsigned Nrows, unsigned Ncols, unsigned S1, unsigned S2,
unsigned I, unsigned J>
inline T
for_each(const DenseDataView<T, Nrows, Ncols, S1, S2> &d,
const Eval2<I,J> &e)
{
return d.offset(I, J);
}
template<class T, unsigned Nrows, unsigned Ncols>
class DenseData
: public TinyContainer< T[Nrows * Ncols], DenseData<T, Nrows, Ncols> > {
public:
typedef T T_Return;
typedef DenseDataView<T, Nrows, Ncols, 1, Nrows> T_Expr;
T_Expr makeExpr() const { return T_Expr(m_data); }
T *beginLoc(unsigned i, unsigned j) const
{ return &m_data[i + Nrows * j]; }
T &operator[](unsigned i)
{
return m_data[i];
}
T operator[](unsigned i) const
{
return m_data[i];
}
T &offset(unsigned i, unsigned j)
{
return m_data[i + Nrows * j];
}
T offset(unsigned i, unsigned j) const
{
return m_data[i + Nrows * j];
}
template<unsigned I, unsigned J>
struct Offset {
static T &apply(DenseData<T, Nrows, Ncols> &d)
{
return d.m_data[I + Nrows * J];
}
static T constApply(const DenseData<T, Nrows, Ncols> &d)
{
return d.m_data[I + Nrows * J];
}
};
};
template<class T, unsigned Nrc>
class DiagonalData {
public:
T &offset(unsigned i, unsigned j)
{
assert(i == j);
return m_data[i];
}
T offset(unsigned i, unsigned j) const
{
return (i == j) ? m_data[i] : T(0);
}
template<unsigned I, unsigned J>
struct Offset {
static T &apply(DiagonalData<T,Nrc> &d)
{
assert(I == J);
return d.m_data[I];
}
static T constApply(const DiagonalData<T,Nrc> &d)
{
return (I == J) ? d.m_data[I] : T(0);
}
};
private:
T m_data[Nrc];
};
template<unsigned I, unsigned J, unsigned C1>
struct InnerLoop {
template<class LHS, class RHS>
static inline void eval(LHS &l, const RHS &r)
{
l.offset(I,J) = for_each(r, Eval2<I,J>());
InnerLoop<I + 1, J, C1 - 1>::eval(l, r);
}
};
template<unsigned I, unsigned J>
struct InnerLoop<I, J, 0> {
template<class LHS, class RHS>
static inline void eval(LHS &, const RHS &) { }
};
template<unsigned I, unsigned J, unsigned C1, unsigned C2>
struct Loop2 {
template<class LHS, class RHS>
static inline void eval(LHS &l, const RHS &r)
{
InnerLoop<I, J, C1>::eval(l, r);
Loop2<I, J + 1, C1, C2 - 1>::eval(l, r);
}
};
template<unsigned I, unsigned J, unsigned C1>
struct Loop2<I, J, C1, 0> {
template<class LHS, class RHS>
static inline void eval(LHS &l, const RHS &r) { }
};
template<unsigned Begin, unsigned End, unsigned Stride = 1>
class TinyRange {
public:
static const unsigned b = Begin;
static const unsigned e = End;
static const unsigned s = Stride;
static const unsigned n = (End - Begin) / Stride + 1;
static unsigned index(unsigned i)
{
return b + s * i;
}
};
template<class Range1, class Range2, class Data>
struct Merge { };
template<class Range1, class Range2, class T, unsigned Nrows, unsigned Ncols>
struct Merge<Range1, Range2, DenseData<T, Nrows, Ncols> >
{
static const unsigned s2 = Nrows * Range2::s;
typedef
DenseDataView<T, Range1::n, Range2::n, Range1::s, s2> type;
};
template<class Range1, class Range2, class T, unsigned Nrows, unsigned Ncols,
unsigned S1, unsigned S2>
struct Merge<Range1, Range2, DenseDataView<T, Nrows, Ncols, S1, S2> >
{
static const unsigned s1 = S1 * Range1::s;
static const unsigned s2 = S2 * Range2::s;
typedef
DenseDataView<T, Range1::n, Range2::n, s1, s2> type;
};
template<class T, unsigned Nrows, unsigned Ncols,
class Data = DenseData<T, Nrows, Ncols> >
class TinyMatrix :
public TinyContainer< Data, TinyMatrix<T, Nrows, Ncols, Data> > {
public:
typedef T T_Return;
typedef typename Data::T_Expr T_Expr;
typedef TinyContainer< Data, TinyMatrix<T, Nrows, Ncols, Data> > T_Base;
T_Expr makeExpr() const { return m_data.makeExpr(); }
TinyMatrix() { }
TinyMatrix(const T &a0, const T &a1, const T &a2,
const T &a3, const T &a4, const T &a5)
{
m_data[0] = a0; m_data[1] = a1; m_data[2] = a2;
m_data[3] = a3; m_data[4] = a4; m_data[5] = a5;
}
TinyMatrix(const T &a0, const T &a1)
{
m_data[0] = a0; m_data[1] = a1;
}
TinyMatrix(const Data &d) : T_Base(d) { }
T operator()(unsigned i, unsigned j) const
{
return m_data.offset(i, j);
}
template<unsigned B1, unsigned E1, unsigned S1,
unsigned B2, unsigned E2, unsigned S2>
TinyMatrix<T, TinyRange<B1, E1, S1>::n,
TinyRange<B2, E2, S2>::n,
typename
Merge< TinyRange<B1, E1, S1>, TinyRange<B2, E2, S2>, Data>::type>
operator()(const TinyRange<B1, E1, S1> &r1, const TinyRange<B2, E2, S2> &r2)
{
typedef typename
Merge< TinyRange<B1, E1, S1>, TinyRange<B2, E2, S2>, Data>::type
T_DataType;
typedef TinyMatrix<T, TinyRange<B1, E1, S1>::n,
TinyRange<B2, E2, S2>::n, T_DataType> T_RetType;
return T_RetType(T_DataType(m_data.beginLoc(B1, B2)));
}
template<class V1, class T1>
void operator=(const TinyContainer<V1, T1> &rhs)
{
Loop2<0, 0, Nrows, Ncols>::eval(m_data, rhs.unwrap().makeExpr());
}
};
int main()
{
TinyMatrix<double, 2, 3> a, b(1.0, 2.0, 3.0, 4.0, 5.0, 6.0),
c(0.1, 0.2, 0.3, 0.4, 0.5, 0.6), d(0.01, 0.02, 0.03, 0.04, 0.05, 0.06);
TinyMatrix<double, 1, 2> e, f(17.0, 48.3);
a = b + c + d;
a(TinyRange<0,1>(), TinyRange<0,2,2>());
a(TinyRange<0,1>(), TinyRange<0,2,2>())
(TinyRange<0,0>(), TinyRange<0,1>());
e = f + a(TinyRange<0,1>(), TinyRange<0,2,2>())
(TinyRange<0,0>(), TinyRange<0,1>());
}