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Commit 8557e674 authored by Davis King's avatar Davis King
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Added the const_ret_type typedef to the matrix_exp. It is now required that all 

matrix expressions define this type.  This enables the expressions to return elements
by constant reference when appropriate rather than always returning by value.

--HG--
extra : convert_revision : svn%3Afdd8eb12-d10e-0410-9acb-85c331704f74/trunk%403432
parent fc8807a7
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Showing with 91 additions and 33 deletions
dlib/matrix/matrix.h
View file @ 8557e674
...@@ -64,6 +64,7 @@ namespace dlib ...@@ -64,6 +64,7 @@ namespace dlib
struct matrix_traits struct matrix_traits
{ {
typedef typename EXP::type type; typedef typename EXP::type type;
typedef typename EXP::const_ret_type const_ret_type;
typedef typename EXP::mem_manager_type mem_manager_type; typedef typename EXP::mem_manager_type mem_manager_type;
typedef typename EXP::layout_type layout_type; typedef typename EXP::layout_type layout_type;
const static long NR = EXP::NR; const static long NR = EXP::NR;
...@@ -84,6 +85,7 @@ namespace dlib ...@@ -84,6 +85,7 @@ namespace dlib
public: public:
typedef typename matrix_traits<EXP>::type type; typedef typename matrix_traits<EXP>::type type;
typedef typename matrix_traits<EXP>::const_ret_type const_ret_type;
typedef typename matrix_traits<EXP>::mem_manager_type mem_manager_type; typedef typename matrix_traits<EXP>::mem_manager_type mem_manager_type;
typedef typename matrix_traits<EXP>::layout_type layout_type; typedef typename matrix_traits<EXP>::layout_type layout_type;
const static long NR = matrix_traits<EXP>::NR; const static long NR = matrix_traits<EXP>::NR;
...@@ -93,7 +95,7 @@ namespace dlib ...@@ -93,7 +95,7 @@ namespace dlib
typedef matrix<type,NR,NC,mem_manager_type,layout_type> matrix_type; typedef matrix<type,NR,NC,mem_manager_type,layout_type> matrix_type;
typedef EXP exp_type; typedef EXP exp_type;
inline const type operator() ( inline const const_ret_type operator() (
long r, long r,
long c long c
) const ) const
...@@ -110,7 +112,7 @@ namespace dlib ...@@ -110,7 +112,7 @@ namespace dlib
return ref()(r,c); return ref()(r,c);
} }
const type operator() ( const const_ret_type operator() (
long i long i
) const ) const
{ {
...@@ -261,6 +263,7 @@ namespace dlib ...@@ -261,6 +263,7 @@ namespace dlib
struct matrix_traits<matrix_multiply_exp<LHS,RHS> > struct matrix_traits<matrix_multiply_exp<LHS,RHS> >
{ {
typedef typename LHS::type type; typedef typename LHS::type type;
typedef typename LHS::type const_ret_type;
typedef typename LHS::mem_manager_type mem_manager_type; typedef typename LHS::mem_manager_type mem_manager_type;
typedef typename LHS::layout_type layout_type; typedef typename LHS::layout_type layout_type;
const static long NR = LHS::NR; const static long NR = LHS::NR;
...@@ -303,6 +306,7 @@ namespace dlib ...@@ -303,6 +306,7 @@ namespace dlib
public: public:
typedef typename matrix_traits<matrix_multiply_exp>::type type; typedef typename matrix_traits<matrix_multiply_exp>::type type;
typedef typename matrix_traits<matrix_multiply_exp>::const_ret_type const_ret_type;
typedef typename matrix_traits<matrix_multiply_exp>::mem_manager_type mem_manager_type; typedef typename matrix_traits<matrix_multiply_exp>::mem_manager_type mem_manager_type;
const static long NR = matrix_traits<matrix_multiply_exp>::NR; const static long NR = matrix_traits<matrix_multiply_exp>::NR;
const static long NC = matrix_traits<matrix_multiply_exp>::NC; const static long NC = matrix_traits<matrix_multiply_exp>::NC;
...@@ -450,6 +454,7 @@ namespace dlib ...@@ -450,6 +454,7 @@ namespace dlib
struct matrix_traits<matrix_add_exp<LHS,RHS> > struct matrix_traits<matrix_add_exp<LHS,RHS> >
{ {
typedef typename LHS::type type; typedef typename LHS::type type;
typedef typename LHS::type const_ret_type;
typedef typename LHS::mem_manager_type mem_manager_type; typedef typename LHS::mem_manager_type mem_manager_type;
typedef typename LHS::layout_type layout_type; typedef typename LHS::layout_type layout_type;
const static long NR = (RHS::NR > LHS::NR) ? RHS::NR : LHS::NR; const static long NR = (RHS::NR > LHS::NR) ? RHS::NR : LHS::NR;
...@@ -469,6 +474,7 @@ namespace dlib ...@@ -469,6 +474,7 @@ namespace dlib
!*/ !*/
public: public:
typedef typename matrix_traits<matrix_add_exp>::type type; typedef typename matrix_traits<matrix_add_exp>::type type;
typedef typename matrix_traits<matrix_add_exp>::const_ret_type const_ret_type;
typedef typename matrix_traits<matrix_add_exp>::mem_manager_type mem_manager_type; typedef typename matrix_traits<matrix_add_exp>::mem_manager_type mem_manager_type;
const static long NR = matrix_traits<matrix_add_exp>::NR; const static long NR = matrix_traits<matrix_add_exp>::NR;
const static long NC = matrix_traits<matrix_add_exp>::NC; const static long NC = matrix_traits<matrix_add_exp>::NC;
...@@ -555,6 +561,7 @@ namespace dlib ...@@ -555,6 +561,7 @@ namespace dlib
struct matrix_traits<matrix_subtract_exp<LHS,RHS> > struct matrix_traits<matrix_subtract_exp<LHS,RHS> >
{ {
typedef typename LHS::type type; typedef typename LHS::type type;
typedef typename LHS::type const_ret_type;
typedef typename LHS::mem_manager_type mem_manager_type; typedef typename LHS::mem_manager_type mem_manager_type;
typedef typename LHS::layout_type layout_type; typedef typename LHS::layout_type layout_type;
const static long NR = (RHS::NR > LHS::NR) ? RHS::NR : LHS::NR; const static long NR = (RHS::NR > LHS::NR) ? RHS::NR : LHS::NR;
...@@ -574,6 +581,7 @@ namespace dlib ...@@ -574,6 +581,7 @@ namespace dlib
!*/ !*/
public: public:
typedef typename matrix_traits<matrix_subtract_exp>::type type; typedef typename matrix_traits<matrix_subtract_exp>::type type;
typedef typename matrix_traits<matrix_subtract_exp>::const_ret_type const_ret_type;
typedef typename matrix_traits<matrix_subtract_exp>::mem_manager_type mem_manager_type; typedef typename matrix_traits<matrix_subtract_exp>::mem_manager_type mem_manager_type;
const static long NR = matrix_traits<matrix_subtract_exp>::NR; const static long NR = matrix_traits<matrix_subtract_exp>::NR;
const static long NC = matrix_traits<matrix_subtract_exp>::NC; const static long NC = matrix_traits<matrix_subtract_exp>::NC;
...@@ -661,6 +669,7 @@ namespace dlib ...@@ -661,6 +669,7 @@ namespace dlib
struct matrix_traits<matrix_div_scal_exp<M> > struct matrix_traits<matrix_div_scal_exp<M> >
{ {
typedef typename M::type type; typedef typename M::type type;
typedef typename M::type const_ret_type;
typedef typename M::mem_manager_type mem_manager_type; typedef typename M::mem_manager_type mem_manager_type;
typedef typename M::layout_type layout_type; typedef typename M::layout_type layout_type;
const static long NR = M::NR; const static long NR = M::NR;
...@@ -679,6 +688,7 @@ namespace dlib ...@@ -679,6 +688,7 @@ namespace dlib
!*/ !*/
public: public:
typedef typename matrix_traits<matrix_div_scal_exp>::type type; typedef typename matrix_traits<matrix_div_scal_exp>::type type;
typedef typename matrix_traits<matrix_div_scal_exp>::const_ret_type const_ret_type;
typedef typename matrix_traits<matrix_div_scal_exp>::mem_manager_type mem_manager_type; typedef typename matrix_traits<matrix_div_scal_exp>::mem_manager_type mem_manager_type;
const static long NR = matrix_traits<matrix_div_scal_exp>::NR; const static long NR = matrix_traits<matrix_div_scal_exp>::NR;
const static long NC = matrix_traits<matrix_div_scal_exp>::NC; const static long NC = matrix_traits<matrix_div_scal_exp>::NC;
...@@ -745,6 +755,7 @@ namespace dlib ...@@ -745,6 +755,7 @@ namespace dlib
struct matrix_traits<matrix_mul_scal_exp<M,use_reference> > struct matrix_traits<matrix_mul_scal_exp<M,use_reference> >
{ {
typedef typename M::type type; typedef typename M::type type;
typedef typename M::type const_ret_type;
typedef typename M::mem_manager_type mem_manager_type; typedef typename M::mem_manager_type mem_manager_type;
typedef typename M::layout_type layout_type; typedef typename M::layout_type layout_type;
const static long NR = M::NR; const static long NR = M::NR;
...@@ -769,6 +780,7 @@ namespace dlib ...@@ -769,6 +780,7 @@ namespace dlib
!*/ !*/
public: public:
typedef typename matrix_traits<matrix_mul_scal_exp>::type type; typedef typename matrix_traits<matrix_mul_scal_exp>::type type;
typedef typename matrix_traits<matrix_mul_scal_exp>::const_ret_type const_ret_type;
typedef typename matrix_traits<matrix_mul_scal_exp>::mem_manager_type mem_manager_type; typedef typename matrix_traits<matrix_mul_scal_exp>::mem_manager_type mem_manager_type;
const static long NR = matrix_traits<matrix_mul_scal_exp>::NR; const static long NR = matrix_traits<matrix_mul_scal_exp>::NR;
const static long NC = matrix_traits<matrix_mul_scal_exp>::NC; const static long NC = matrix_traits<matrix_mul_scal_exp>::NC;
...@@ -973,6 +985,7 @@ namespace dlib ...@@ -973,6 +985,7 @@ namespace dlib
struct matrix_traits<matrix<T,num_rows, num_cols, mem_manager, layout> > struct matrix_traits<matrix<T,num_rows, num_cols, mem_manager, layout> >
{ {
typedef T type; typedef T type;
typedef const T& const_ret_type;
typedef mem_manager mem_manager_type; typedef mem_manager mem_manager_type;
typedef layout layout_type; typedef layout layout_type;
const static long NR = num_rows; const static long NR = num_rows;
...@@ -995,6 +1008,7 @@ namespace dlib ...@@ -995,6 +1008,7 @@ namespace dlib
public: public:
typedef typename matrix_traits<matrix>::type type; typedef typename matrix_traits<matrix>::type type;
typedef typename matrix_traits<matrix>::const_ret_type const_ret_type;
typedef typename matrix_traits<matrix>::mem_manager_type mem_manager_type; typedef typename matrix_traits<matrix>::mem_manager_type mem_manager_type;
typedef typename matrix_traits<matrix>::layout_type layout_type; typedef typename matrix_traits<matrix>::layout_type layout_type;
const static long NR = matrix_traits<matrix>::NR; const static long NR = matrix_traits<matrix>::NR;
...@@ -1723,6 +1737,7 @@ namespace dlib ...@@ -1723,6 +1737,7 @@ namespace dlib
struct matrix_traits<const_temp_matrix<EXP> > struct matrix_traits<const_temp_matrix<EXP> >
{ {
typedef typename EXP::type type; typedef typename EXP::type type;
typedef typename EXP::const_ret_type const_ret_type;
typedef typename EXP::mem_manager_type mem_manager_type; typedef typename EXP::mem_manager_type mem_manager_type;
typedef typename EXP::layout_type layout_type; typedef typename EXP::layout_type layout_type;
const static long NR = EXP::NR; const static long NR = EXP::NR;
...@@ -1735,6 +1750,7 @@ namespace dlib ...@@ -1735,6 +1750,7 @@ namespace dlib
{ {
public: public:
typedef typename matrix_traits<const_temp_matrix>::type type; typedef typename matrix_traits<const_temp_matrix>::type type;
typedef typename matrix_traits<const_temp_matrix>::const_ret_type const_ret_type;
typedef typename matrix_traits<const_temp_matrix>::mem_manager_type mem_manager_type; typedef typename matrix_traits<const_temp_matrix>::mem_manager_type mem_manager_type;
typedef typename matrix_traits<const_temp_matrix>::layout_type layout_type; typedef typename matrix_traits<const_temp_matrix>::layout_type layout_type;
const static long NR = matrix_traits<const_temp_matrix>::NR; const static long NR = matrix_traits<const_temp_matrix>::NR;
...@@ -1752,12 +1768,12 @@ namespace dlib ...@@ -1752,12 +1768,12 @@ namespace dlib
ref_(item) ref_(item)
{} {}
const type operator() ( const const_ret_type operator() (
long r, long r,
long c long c
) const { return ref_(r,c); } ) const { return ref_(r,c); }
const type operator() ( long i ) const const const_ret_type operator() ( long i ) const
{ return ref_(i); } { return ref_(i); }
template <typename U> template <typename U>
......
dlib/matrix/matrix_abstract.h
View file @ 8557e674
...@@ -49,10 +49,17 @@ namespace dlib ...@@ -49,10 +49,17 @@ namespace dlib
are going to be accessing the same element over and over it might are going to be accessing the same element over and over it might
be faster to assign the matrix_exp to a temporary matrix and then be faster to assign the matrix_exp to a temporary matrix and then
use that temporary. use that temporary.
const_ret_type typedef (defined below)
The purpose of the const_ret_type typedef is to allow matrix expressions
to return their elements by reference when appropriate. So const_ret_type
should either be of the same type as "type" or be of type "const type&".
!*/ !*/
public: public:
typedef typename EXP::type type; typedef typename EXP::type type;
typedef typename EXP::const_ret_type const_ret_type;
typedef typename EXP::mem_manager_type mem_manager_type; typedef typename EXP::mem_manager_type mem_manager_type;
typedef typename EXP::layout_type layout_type; typedef typename EXP::layout_type layout_type;
const static long cost = EXP::cost; const static long cost = EXP::cost;
...@@ -61,7 +68,7 @@ namespace dlib ...@@ -61,7 +68,7 @@ namespace dlib
typedef matrix<type,NR,NC, mem_manager_type,layout_type> matrix_type; typedef matrix<type,NR,NC, mem_manager_type,layout_type> matrix_type;
typedef EXP exp_type; typedef EXP exp_type;
const type operator() ( const const_ret_type operator() (
long r, long r,
long c long c
) const; ) const;
...@@ -75,7 +82,7 @@ namespace dlib ...@@ -75,7 +82,7 @@ namespace dlib
the matrix represented by this matrix expression) the matrix represented by this matrix expression)
!*/ !*/
const type operator() ( const const_ret_type operator() (
long i long i
) const; ) const;
/*! /*!
......
dlib/matrix/matrix_conj_trans.h
View file @ 8557e674
...@@ -31,9 +31,10 @@ namespace dlib ...@@ -31,9 +31,10 @@ namespace dlib
const static long NR = EXP::NC; const static long NR = EXP::NC;
const static long NC = EXP::NR; const static long NC = EXP::NR;
typedef typename EXP::type type; typedef typename EXP::type type;
typedef typename EXP::type const_ret_type;
typedef typename EXP::mem_manager_type mem_manager_type; typedef typename EXP::mem_manager_type mem_manager_type;
template <typename M> template <typename M>
static type apply ( const M& m, long r, long c) static const const_ret_type apply ( const M& m, long r, long c)
{ return std::conj(m(c,r)); } { return std::conj(m(c,r)); }
template <typename M> template <typename M>
......
dlib/matrix/matrix_expressions.h
View file @ 8557e674
This diff is collapsed.
dlib/matrix/matrix_math_functions.h
View file @ 8557e674
...@@ -23,8 +23,9 @@ namespace dlib ...@@ -23,8 +23,9 @@ namespace dlib
{ \ { \
const static long cost = EXP::cost+(extra_cost); \ const static long cost = EXP::cost+(extra_cost); \
typedef typename EXP::type type; \ typedef typename EXP::type type; \
typedef typename EXP::type const_ret_type; \
template <typename M> \ template <typename M> \
static type apply ( const M& m, long r, long c) \ static const const_ret_type apply ( const M& m, long r, long c) \
{ return static_cast<type>(std::name(m(r,c))); } \ { return static_cast<type>(std::name(m(r,c))); } \
};}; \ };}; \
template < typename EXP > \ template < typename EXP > \
...@@ -65,8 +66,9 @@ DLIB_MATRIX_SIMPLE_STD_FUNCTION(atan,7) ...@@ -65,8 +66,9 @@ DLIB_MATRIX_SIMPLE_STD_FUNCTION(atan,7)
{ {
const static long cost = EXP::cost+7; const static long cost = EXP::cost+7;
typedef typename EXP::type type; typedef typename EXP::type type;
typedef typename EXP::type const_ret_type;
template <typename M> template <typename M>
static type apply ( const M& m, long r, long c) static const const_ret_type apply ( const M& m, long r, long c)
{ {
return static_cast<type>(1/(1 + std::exp(-m(r,c)))); return static_cast<type>(1/(1 + std::exp(-m(r,c))));
} }
...@@ -92,8 +94,9 @@ DLIB_MATRIX_SIMPLE_STD_FUNCTION(atan,7) ...@@ -92,8 +94,9 @@ DLIB_MATRIX_SIMPLE_STD_FUNCTION(atan,7)
{ {
const static long cost = EXP::cost+7; const static long cost = EXP::cost+7;
typedef typename EXP::type type; typedef typename EXP::type type;
typedef typename EXP::type const_ret_type;
template <typename M, typename T> template <typename M, typename T>
static type apply ( const M& m, const T& eps, long r, long c) static const const_ret_type apply ( const M& m, const T& eps, long r, long c)
{ {
const type temp = m(r,c); const type temp = m(r,c);
if (temp >= eps || temp <= -eps) if (temp >= eps || temp <= -eps)
...@@ -139,8 +142,9 @@ DLIB_MATRIX_SIMPLE_STD_FUNCTION(atan,7) ...@@ -139,8 +142,9 @@ DLIB_MATRIX_SIMPLE_STD_FUNCTION(atan,7)
{ {
const static long cost = EXP::cost+7; const static long cost = EXP::cost+7;
typedef typename EXP::type type; typedef typename EXP::type type;
typedef typename EXP::type const_ret_type;
template <typename M> template <typename M>
static type apply ( const M& m, long r, long c) static const const_ret_type apply ( const M& m, long r, long c)
{ {
const type temp = m(r,c); const type temp = m(r,c);
return temp*temp*temp; return temp*temp*temp;
...@@ -167,8 +171,9 @@ DLIB_MATRIX_SIMPLE_STD_FUNCTION(atan,7) ...@@ -167,8 +171,9 @@ DLIB_MATRIX_SIMPLE_STD_FUNCTION(atan,7)
{ {
const static long cost = EXP::cost+6; const static long cost = EXP::cost+6;
typedef typename EXP::type type; typedef typename EXP::type type;
typedef typename EXP::type const_ret_type;
template <typename M> template <typename M>
static type apply ( const M& m, long r, long c) static const const_ret_type apply ( const M& m, long r, long c)
{ {
const type temp = m(r,c); const type temp = m(r,c);
return temp*temp; return temp*temp;
...@@ -195,8 +200,9 @@ DLIB_MATRIX_SIMPLE_STD_FUNCTION(atan,7) ...@@ -195,8 +200,9 @@ DLIB_MATRIX_SIMPLE_STD_FUNCTION(atan,7)
{ {
const static long cost = EXP::cost+7; const static long cost = EXP::cost+7;
typedef typename EXP::type type; typedef typename EXP::type type;
typedef typename EXP::type const_ret_type;
template <typename M, typename S> template <typename M, typename S>
static type apply ( const M& m, const S& s, long r, long c) static const const_ret_type apply ( const M& m, const S& s, long r, long c)
{ return static_cast<type>(std::pow(m(r,c),s)); } { return static_cast<type>(std::pow(m(r,c),s)); }
}; };
}; };
...@@ -228,8 +234,9 @@ DLIB_MATRIX_SIMPLE_STD_FUNCTION(atan,7) ...@@ -228,8 +234,9 @@ DLIB_MATRIX_SIMPLE_STD_FUNCTION(atan,7)
{ {
const static long cost = EXP::cost+7; const static long cost = EXP::cost+7;
typedef typename EXP::type type; typedef typename EXP::type type;
typedef typename EXP::type const_ret_type;
template <typename M, typename S> template <typename M, typename S>
static type apply ( const M& m, const S& s, long r, long c) static const const_ret_type apply ( const M& m, const S& s, long r, long c)
{ return static_cast<type>(std::pow(s,m(r,c))); } { return static_cast<type>(std::pow(s,m(r,c))); }
}; };
}; };
...@@ -261,8 +268,9 @@ DLIB_MATRIX_SIMPLE_STD_FUNCTION(atan,7) ...@@ -261,8 +268,9 @@ DLIB_MATRIX_SIMPLE_STD_FUNCTION(atan,7)
{ {
const static long cost = EXP::cost+6; const static long cost = EXP::cost+6;
typedef typename EXP::type type; typedef typename EXP::type type;
typedef typename EXP::type const_ret_type;
template <typename M> template <typename M>
static type apply ( const M& m, long r, long c) static const const_ret_type apply ( const M& m, long r, long c)
{ {
const type temp = m(r,c); const type temp = m(r,c);
if (temp != static_cast<type>(0)) if (temp != static_cast<type>(0))
...@@ -301,8 +309,9 @@ DLIB_MATRIX_SIMPLE_STD_FUNCTION(atan,7) ...@@ -301,8 +309,9 @@ DLIB_MATRIX_SIMPLE_STD_FUNCTION(atan,7)
{ {
const static long cost = EXP::cost+6; const static long cost = EXP::cost+6;
typedef typename EXP::type type; typedef typename EXP::type type;
typedef typename EXP::type const_ret_type;
template <typename M> template <typename M>
static type apply ( const M& m, long r, long c) static const const_ret_type apply ( const M& m, long r, long c)
{ {
const type temp = m(r,c); const type temp = m(r,c);
if (temp != static_cast<type>(0)) if (temp != static_cast<type>(0))
...@@ -338,8 +347,9 @@ DLIB_MATRIX_SIMPLE_STD_FUNCTION(atan,7) ...@@ -338,8 +347,9 @@ DLIB_MATRIX_SIMPLE_STD_FUNCTION(atan,7)
{ {
const static long cost = EXP::cost+5; const static long cost = EXP::cost+5;
typedef typename EXP::type type; typedef typename EXP::type type;
typedef typename EXP::type const_ret_type;
template <typename M> template <typename M>
static type apply ( const M& m, const type& s, long r, long c) static const const_ret_type apply ( const M& m, const type& s, long r, long c)
{ {
return m(r,c)*s; return m(r,c)*s;
} }
...@@ -377,8 +387,9 @@ DLIB_MATRIX_SIMPLE_STD_FUNCTION(atan,7) ...@@ -377,8 +387,9 @@ DLIB_MATRIX_SIMPLE_STD_FUNCTION(atan,7)
{ {
const static long cost = EXP::cost+7; const static long cost = EXP::cost+7;
typedef typename EXP::type type; typedef typename EXP::type type;
typedef typename EXP::type const_ret_type;
template <typename M> template <typename M>
static type apply ( const M& m, long r, long c) static const const_ret_type apply ( const M& m, long r, long c)
{ {
return static_cast<type>(std::floor(m(r,c)+0.5)); return static_cast<type>(std::floor(m(r,c)+0.5));
} }
...@@ -390,8 +401,9 @@ DLIB_MATRIX_SIMPLE_STD_FUNCTION(atan,7) ...@@ -390,8 +401,9 @@ DLIB_MATRIX_SIMPLE_STD_FUNCTION(atan,7)
{ {
const static long cost = EXP::cost; const static long cost = EXP::cost;
typedef typename EXP::type type; typedef typename EXP::type type;
typedef typename EXP::const_ret_type const_ret_type;
template <typename M> template <typename M>
static type apply ( const M& m, long r, long c) static const const_ret_type apply ( const M& m, long r, long c)
{ {
return m(r,c); return m(r,c);
} }
...@@ -420,8 +432,9 @@ DLIB_MATRIX_SIMPLE_STD_FUNCTION(atan,7) ...@@ -420,8 +432,9 @@ DLIB_MATRIX_SIMPLE_STD_FUNCTION(atan,7)
{ {
const static long cost = EXP::cost+7; const static long cost = EXP::cost+7;
typedef typename EXP::type type; typedef typename EXP::type type;
typedef typename EXP::type const_ret_type;
template <typename M> template <typename M>
static type apply ( const M& m, long r, long c) static const const_ret_type apply ( const M& m, long r, long c)
{ {
return static_cast<type>(std::abs(m(r,c))); return static_cast<type>(std::abs(m(r,c)));
} }
...@@ -432,8 +445,9 @@ DLIB_MATRIX_SIMPLE_STD_FUNCTION(atan,7) ...@@ -432,8 +445,9 @@ DLIB_MATRIX_SIMPLE_STD_FUNCTION(atan,7)
{ {
const static long cost = EXP::cost; const static long cost = EXP::cost;
typedef T type; typedef T type;
typedef T const_ret_type;
template <typename M> template <typename M>
static type apply ( const M& m, long r, long c) static const const_ret_type apply ( const M& m, long r, long c)
{ {
return static_cast<type>(std::abs(m(r,c))); return static_cast<type>(std::abs(m(r,c)));
} }
...@@ -460,8 +474,9 @@ DLIB_MATRIX_SIMPLE_STD_FUNCTION(atan,7) ...@@ -460,8 +474,9 @@ DLIB_MATRIX_SIMPLE_STD_FUNCTION(atan,7)
{ {
const static long cost = EXP::cost+1; const static long cost = EXP::cost+1;
typedef std::complex<typename EXP::type> type; typedef std::complex<typename EXP::type> type;
typedef std::complex<typename EXP::type> const_ret_type;
template <typename M> template <typename M>
static type apply ( const M& m, long r, long c) static const const_ret_type apply ( const M& m, long r, long c)
{ {
return type(m(r,c)); return type(m(r,c));
} }
...@@ -487,9 +502,10 @@ DLIB_MATRIX_SIMPLE_STD_FUNCTION(atan,7) ...@@ -487,9 +502,10 @@ DLIB_MATRIX_SIMPLE_STD_FUNCTION(atan,7)
{ {
const static long cost = EXP1::cost+EXP2::cost+1; const static long cost = EXP1::cost+EXP2::cost+1;
typedef std::complex<typename EXP1::type> type; typedef std::complex<typename EXP1::type> type;
typedef std::complex<typename EXP1::type> const_ret_type;
template <typename M1, typename M2> template <typename M1, typename M2>
static type apply ( const M1& m1, const M2& m2 , long r, long c) static const const_ret_type apply ( const M1& m1, const M2& m2 , long r, long c)
{ return type(m1(r,c),m2(r,c)); } { return type(m1(r,c),m2(r,c)); }
}; };
}; };
...@@ -529,8 +545,9 @@ DLIB_MATRIX_SIMPLE_STD_FUNCTION(atan,7) ...@@ -529,8 +545,9 @@ DLIB_MATRIX_SIMPLE_STD_FUNCTION(atan,7)
{ {
const static long cost = EXP::cost+6; const static long cost = EXP::cost+6;
typedef typename EXP::type::value_type type; typedef typename EXP::type::value_type type;
typedef typename EXP::type::value_type const_ret_type;
template <typename M> template <typename M>
static type apply ( const M& m, long r, long c) static const const_ret_type apply ( const M& m, long r, long c)
{ return std::norm(m(r,c)); } { return std::norm(m(r,c)); }
}; };
}; };
...@@ -555,8 +572,9 @@ DLIB_MATRIX_SIMPLE_STD_FUNCTION(atan,7) ...@@ -555,8 +572,9 @@ DLIB_MATRIX_SIMPLE_STD_FUNCTION(atan,7)
{ {
const static long cost = EXP::cost; const static long cost = EXP::cost;
typedef typename EXP::type::value_type type; typedef typename EXP::type::value_type type;
typedef typename EXP::type::value_type const_ret_type;
template <typename M> template <typename M>
static type apply ( const M& m, long r, long c) static const const_ret_type apply ( const M& m, long r, long c)
{ return std::real(m(r,c)); } { return std::real(m(r,c)); }
}; };
}; };
...@@ -581,8 +599,9 @@ DLIB_MATRIX_SIMPLE_STD_FUNCTION(atan,7) ...@@ -581,8 +599,9 @@ DLIB_MATRIX_SIMPLE_STD_FUNCTION(atan,7)
{ {
const static long cost = EXP::cost; const static long cost = EXP::cost;
typedef typename EXP::type::value_type type; typedef typename EXP::type::value_type type;
typedef typename EXP::type::value_type const_ret_type;
template <typename M> template <typename M>
static type apply ( const M& m, long r, long c) static const const_ret_type apply ( const M& m, long r, long c)
{ return std::imag(m(r,c)); } { return std::imag(m(r,c)); }
}; };
}; };
......
dlib/matrix/matrix_subexp.h
View file @ 8557e674
...@@ -158,9 +158,10 @@ namespace dlib ...@@ -158,9 +158,10 @@ namespace dlib
const static long NR = 1; const static long NR = 1;
const static long NC = EXP::NC; const static long NC = EXP::NC;
typedef typename EXP::type type; typedef typename EXP::type type;
typedef typename EXP::const_ret_type const_ret_type;
typedef typename EXP::mem_manager_type mem_manager_type; typedef typename EXP::mem_manager_type mem_manager_type;
template <typename M> template <typename M>
static type apply ( const M& m, long row, long, long c) static const const_ret_type apply ( const M& m, long row, long, long c)
{ return m(row,c); } { return m(row,c); }
template <typename M> template <typename M>
...@@ -201,9 +202,10 @@ namespace dlib ...@@ -201,9 +202,10 @@ namespace dlib
const static long NR = 1; const static long NR = 1;
const static long NC = 0; const static long NC = 0;
typedef typename EXP::type type; typedef typename EXP::type type;
typedef typename EXP::const_ret_type const_ret_type;
typedef typename EXP::mem_manager_type mem_manager_type; typedef typename EXP::mem_manager_type mem_manager_type;
template <typename M> template <typename M>
static type apply ( const M& m, long row, long , long , long c) static const const_ret_type apply ( const M& m, long row, long , long , long c)
{ return m(row,c); } { return m(row,c); }
template <typename M> template <typename M>
...@@ -245,12 +247,13 @@ namespace dlib ...@@ -245,12 +247,13 @@ namespace dlib
{ {
const static long cost = EXP1::cost+EXP2::cost; const static long cost = EXP1::cost+EXP2::cost;
typedef typename EXP1::type type; typedef typename EXP1::type type;
typedef typename EXP1::const_ret_type const_ret_type;
typedef typename EXP1::mem_manager_type mem_manager_type; typedef typename EXP1::mem_manager_type mem_manager_type;
const static long NR = EXP2::NC*EXP2::NR; const static long NR = EXP2::NC*EXP2::NR;
const static long NC = EXP1::NC; const static long NC = EXP1::NC;
template <typename M1, typename M2> template <typename M1, typename M2>
static type apply ( const M1& m1, const M2& rows , long r, long c) static const const_ret_type apply ( const M1& m1, const M2& rows , long r, long c)
{ return m1(rows(r),c); } { return m1(rows(r),c); }
template <typename M1, typename M2> template <typename M1, typename M2>
...@@ -298,9 +301,10 @@ namespace dlib ...@@ -298,9 +301,10 @@ namespace dlib
const static long NR = EXP::NR; const static long NR = EXP::NR;
const static long NC = 1; const static long NC = 1;
typedef typename EXP::type type; typedef typename EXP::type type;
typedef typename EXP::const_ret_type const_ret_type;
typedef typename EXP::mem_manager_type mem_manager_type; typedef typename EXP::mem_manager_type mem_manager_type;
template <typename M> template <typename M>
static type apply ( const M& m, long col, long r, long) static const const_ret_type apply ( const M& m, long col, long r, long)
{ return m(r,col); } { return m(r,col); }
template <typename M> template <typename M>
...@@ -341,9 +345,10 @@ namespace dlib ...@@ -341,9 +345,10 @@ namespace dlib
const static long NR = 0; const static long NR = 0;
const static long NC = 1; const static long NC = 1;
typedef typename EXP::type type; typedef typename EXP::type type;
typedef typename EXP::const_ret_type const_ret_type;
typedef typename EXP::mem_manager_type mem_manager_type; typedef typename EXP::mem_manager_type mem_manager_type;
template <typename M> template <typename M>
static type apply ( const M& m, long col, long , long r, long ) static const const_ret_type apply ( const M& m, long col, long , long r, long )
{ return m(r,col); } { return m(r,col); }
template <typename M> template <typename M>
...@@ -384,13 +389,14 @@ namespace dlib ...@@ -384,13 +389,14 @@ namespace dlib
struct op : has_destructive_aliasing struct op : has_destructive_aliasing
{ {
typedef typename EXP1::type type; typedef typename EXP1::type type;
typedef typename EXP1::const_ret_type const_ret_type;
typedef typename EXP1::mem_manager_type mem_manager_type; typedef typename EXP1::mem_manager_type mem_manager_type;
const static long NR = EXP1::NR; const static long NR = EXP1::NR;
const static long NC = EXP2::NC*EXP2::NR; const static long NC = EXP2::NC*EXP2::NR;
const static long cost = EXP1::cost+EXP2::cost; const static long cost = EXP1::cost+EXP2::cost;
template <typename M1, typename M2> template <typename M1, typename M2>
static type apply ( const M1& m1, const M2& cols , long r, long c) static const const_ret_type apply ( const M1& m1, const M2& cols , long r, long c)
{ return m1(r,cols(c)); } { return m1(r,cols(c)); }
template <typename M1, typename M2> template <typename M1, typename M2>
......
dlib/matrix/matrix_utilities.h
View file @ 8557e674
This diff is collapsed.
dlib/svm/kernel_matrix.h
View file @ 8557e674
...@@ -22,6 +22,7 @@ namespace dlib ...@@ -22,6 +22,7 @@ namespace dlib
struct matrix_traits<kernel_matrix_exp<kernel_type,alloc> > struct matrix_traits<kernel_matrix_exp<kernel_type,alloc> >
{ {
typedef typename kernel_type::scalar_type type; typedef typename kernel_type::scalar_type type;
typedef typename kernel_type::scalar_type const_ret_type;
typedef typename kernel_type::mem_manager_type mem_manager_type; typedef typename kernel_type::mem_manager_type mem_manager_type;
typedef row_major_layout layout_type; typedef row_major_layout layout_type;
const static long NR = 0; const static long NR = 0;
...@@ -38,6 +39,7 @@ namespace dlib ...@@ -38,6 +39,7 @@ namespace dlib
typedef typename kernel_type::sample_type sample_type; typedef typename kernel_type::sample_type sample_type;
public: public:
typedef typename matrix_traits<kernel_matrix_exp>::type type; typedef typename matrix_traits<kernel_matrix_exp>::type type;
typedef typename matrix_traits<kernel_matrix_exp>::const_ret_type const_ret_type;
typedef typename matrix_traits<kernel_matrix_exp>::mem_manager_type mem_manager_type; typedef typename matrix_traits<kernel_matrix_exp>::mem_manager_type mem_manager_type;
typedef typename matrix_traits<kernel_matrix_exp>::layout_type layout_type; typedef typename matrix_traits<kernel_matrix_exp>::layout_type layout_type;
const static long NR = matrix_traits<kernel_matrix_exp>::NR; const static long NR = matrix_traits<kernel_matrix_exp>::NR;
...@@ -114,8 +116,9 @@ namespace dlib ...@@ -114,8 +116,9 @@ namespace dlib
const static long cost = EXP::cost+100; const static long cost = EXP::cost+100;
typedef typename kernel_type::scalar_type type; typedef typename kernel_type::scalar_type type;
typedef typename kernel_type::scalar_type const_ret_type;
template <typename M> template <typename M>
static type apply ( const M& m, const kernel_type& kern, const long r, long c) static const const_ret_type apply ( const M& m, const kernel_type& kern, const long r, long c)
{ {
return kern(m(r),m(c)); return kern(m(r),m(c));
} }
...@@ -161,6 +164,7 @@ namespace dlib ...@@ -161,6 +164,7 @@ namespace dlib
struct matrix_traits<kernel_matrix_exp1<kernel_type,lhs_type> > struct matrix_traits<kernel_matrix_exp1<kernel_type,lhs_type> >
{ {
typedef typename kernel_type::scalar_type type; typedef typename kernel_type::scalar_type type;
typedef typename kernel_type::scalar_type const_ret_type;
typedef typename kernel_type::mem_manager_type mem_manager_type; typedef typename kernel_type::mem_manager_type mem_manager_type;
typedef row_major_layout layout_type; typedef row_major_layout layout_type;
const static long NR = 0; const static long NR = 0;
...@@ -177,6 +181,7 @@ namespace dlib ...@@ -177,6 +181,7 @@ namespace dlib
typedef typename kernel_type::sample_type sample_type; typedef typename kernel_type::sample_type sample_type;
public: public:
typedef typename matrix_traits<kernel_matrix_exp1>::type type; typedef typename matrix_traits<kernel_matrix_exp1>::type type;
typedef typename matrix_traits<kernel_matrix_exp1>::type const_ret_type;
typedef typename matrix_traits<kernel_matrix_exp1>::mem_manager_type mem_manager_type; typedef typename matrix_traits<kernel_matrix_exp1>::mem_manager_type mem_manager_type;
typedef typename matrix_traits<kernel_matrix_exp1>::layout_type layout_type; typedef typename matrix_traits<kernel_matrix_exp1>::layout_type layout_type;
const static long NR = matrix_traits<kernel_matrix_exp1>::NR; const static long NR = matrix_traits<kernel_matrix_exp1>::NR;
...@@ -276,6 +281,7 @@ namespace dlib ...@@ -276,6 +281,7 @@ namespace dlib
struct matrix_traits<kernel_matrix_exp2<kernel_type,lhs_type> > struct matrix_traits<kernel_matrix_exp2<kernel_type,lhs_type> >
{ {
typedef typename kernel_type::scalar_type type; typedef typename kernel_type::scalar_type type;
typedef typename kernel_type::scalar_type const_ret_type;
typedef typename kernel_type::mem_manager_type mem_manager_type; typedef typename kernel_type::mem_manager_type mem_manager_type;
typedef row_major_layout layout_type; typedef row_major_layout layout_type;
const static long NR = 1; const static long NR = 1;
...@@ -292,6 +298,7 @@ namespace dlib ...@@ -292,6 +298,7 @@ namespace dlib
typedef typename kernel_type::sample_type sample_type; typedef typename kernel_type::sample_type sample_type;
public: public:
typedef typename matrix_traits<kernel_matrix_exp2>::type type; typedef typename matrix_traits<kernel_matrix_exp2>::type type;
typedef typename matrix_traits<kernel_matrix_exp2>::const_ret_type const_ret_type;
typedef typename matrix_traits<kernel_matrix_exp2>::mem_manager_type mem_manager_type; typedef typename matrix_traits<kernel_matrix_exp2>::mem_manager_type mem_manager_type;
typedef typename matrix_traits<kernel_matrix_exp2>::layout_type layout_type; typedef typename matrix_traits<kernel_matrix_exp2>::layout_type layout_type;
const static long NR = matrix_traits<kernel_matrix_exp2>::NR; const static long NR = matrix_traits<kernel_matrix_exp2>::NR;
...@@ -391,6 +398,7 @@ namespace dlib ...@@ -391,6 +398,7 @@ namespace dlib
struct matrix_traits<kernel_matrix_exp3<kernel_type,lhs_type,rhs_type> > struct matrix_traits<kernel_matrix_exp3<kernel_type,lhs_type,rhs_type> >
{ {
typedef typename kernel_type::scalar_type type; typedef typename kernel_type::scalar_type type;
typedef typename kernel_type::scalar_type const_ret_type;
typedef typename kernel_type::mem_manager_type mem_manager_type; typedef typename kernel_type::mem_manager_type mem_manager_type;
typedef row_major_layout layout_type; typedef row_major_layout layout_type;
const static long NR = 0; const static long NR = 0;
...@@ -408,6 +416,7 @@ namespace dlib ...@@ -408,6 +416,7 @@ namespace dlib
typedef typename kernel_type::sample_type sample_type; typedef typename kernel_type::sample_type sample_type;
public: public:
typedef typename matrix_traits<kernel_matrix_exp3>::type type; typedef typename matrix_traits<kernel_matrix_exp3>::type type;
typedef typename matrix_traits<kernel_matrix_exp3>::const_ret_type const_ret_type;
typedef typename matrix_traits<kernel_matrix_exp3>::mem_manager_type mem_manager_type; typedef typename matrix_traits<kernel_matrix_exp3>::mem_manager_type mem_manager_type;
typedef typename matrix_traits<kernel_matrix_exp3>::layout_type layout_type; typedef typename matrix_traits<kernel_matrix_exp3>::layout_type layout_type;
const static long NR = matrix_traits<kernel_matrix_exp3>::NR; const static long NR = matrix_traits<kernel_matrix_exp3>::NR;
......
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