//! More...
Classes | |
| class | op_find |
Functions | |
| template<typename T1 > | |
| static u32 | op_find::helper (Mat< u32 > &indices, const Base< typename T1::elem_type, T1 > &X) |
| template<typename T1 , typename op_type > | |
| static u32 | op_find::helper (Mat< u32 > &indices, const mtOp< u32, T1, op_type > &X, const typename arma_op_rel_only< op_type >::result junk1=0, const typename arma_not_cx< typename T1::elem_type >::result junk2=0) |
| template<typename T1 , typename op_type > | |
| static u32 | op_find::helper (Mat< u32 > &indices, const mtOp< u32, T1, op_type > &X, const typename arma_op_rel_only< op_type >::result junk1=0, const typename arma_cx_only< typename T1::elem_type >::result junk2=0) |
| template<typename T1 , typename T2 , typename glue_type > | |
| static u32 | op_find::helper (Mat< u32 > &indices, const mtGlue< u32, T1, T2, glue_type > &X, const typename arma_glue_rel_only< glue_type >::result junk1=0, const typename arma_not_cx< typename T1::elem_type >::result junk2=0, const typename arma_not_cx< typename T2::elem_type >::result junk3=0) |
| template<typename T1 , typename T2 , typename glue_type > | |
| static u32 | op_find::helper (Mat< u32 > &indices, const mtGlue< u32, T1, T2, glue_type > &X, const typename arma_glue_rel_only< glue_type >::result junk1=0, const typename arma_cx_only< typename T1::elem_type >::result junk2=0, const typename arma_cx_only< typename T2::elem_type >::result junk3=0) |
| template<typename T1 > | |
| static void | op_find::apply (Mat< u32 > &out, const mtOp< u32, T1, op_find > &X) |
//!
| u32 op_find::helper | ( | Mat< u32 > & | indices, | |
| const Base< typename T1::elem_type, T1 > & | X | |||
| ) | [inline, static, inherited] |
Definition at line 28 of file op_find_meat.hpp.
References Base< elem_type, derived >::get_ref(), Mat< eT >::memptr(), and Mat< eT >::set_size().
Referenced by apply().
{
arma_extra_debug_sigprint();
typedef typename T1::elem_type eT;
const Proxy<T1> P(X.get_ref());
const u32 n_elem = P.n_elem;
indices.set_size(n_elem, 1);
u32* indices_mem = indices.memptr();
u32 n_nz = 0;
for(u32 i=0; i<n_elem; ++i)
{
if(P[i] != eT(0))
{
indices_mem[n_nz] = i;
++n_nz;
}
}
return n_nz;
}
| u32 op_find::helper | ( | Mat< u32 > & | indices, | |
| const mtOp< u32, T1, op_type > & | X, | |||
| const typename arma_op_rel_only< op_type >::result | junk1 = 0, |
|||
| const typename arma_not_cx< typename T1::elem_type >::result | junk2 = 0 | |||
| ) | [inline, static, inherited] |
Definition at line 64 of file op_find_meat.hpp.
References mtOp< out_eT, T1, op_type >::aux, mtOp< out_eT, T1, op_type >::m, Mat< eT >::memptr(), and Mat< eT >::set_size().
{
arma_extra_debug_sigprint();
typedef typename T1::elem_type eT;
const eT val = X.aux;
const Proxy<T1> P(X.m);
const u32 n_elem = P.n_elem;
indices.set_size(n_elem, 1);
u32* indices_mem = indices.memptr();
u32 n_nz = 0;
for(u32 i=0; i<n_elem; ++i)
{
const eT tmp = P[i];
bool not_zero;
if(is_same_type<op_type, op_rel_lt_pre >::value == true) { not_zero = (val < tmp); }
else if(is_same_type<op_type, op_rel_lt_post >::value == true) { not_zero = (tmp < val); }
else if(is_same_type<op_type, op_rel_gt_pre >::value == true) { not_zero = (val > tmp); }
else if(is_same_type<op_type, op_rel_gt_post >::value == true) { not_zero = (tmp > val); }
else if(is_same_type<op_type, op_rel_lteq_pre >::value == true) { not_zero = (val <= tmp); }
else if(is_same_type<op_type, op_rel_lteq_post>::value == true) { not_zero = (tmp <= val); }
else if(is_same_type<op_type, op_rel_gteq_pre >::value == true) { not_zero = (val >= tmp); }
else if(is_same_type<op_type, op_rel_gteq_post>::value == true) { not_zero = (tmp >= val); }
else if(is_same_type<op_type, op_rel_eq >::value == true) { not_zero = (tmp == val); }
else if(is_same_type<op_type, op_rel_noteq >::value == true) { not_zero = (tmp != val); }
else not_zero = false;
if(not_zero == true)
{
indices_mem[n_nz] = i;
++n_nz;
}
}
return n_nz;
}
| u32 op_find::helper | ( | Mat< u32 > & | indices, | |
| const mtOp< u32, T1, op_type > & | X, | |||
| const typename arma_op_rel_only< op_type >::result | junk1 = 0, |
|||
| const typename arma_cx_only< typename T1::elem_type >::result | junk2 = 0 | |||
| ) | [inline, static, inherited] |
Definition at line 120 of file op_find_meat.hpp.
References mtOp< out_eT, T1, op_type >::aux, mtOp< out_eT, T1, op_type >::m, Mat< eT >::memptr(), and Mat< eT >::set_size().
{
arma_extra_debug_sigprint();
typedef typename T1::elem_type eT;
const eT val = X.aux;
const Proxy<T1> P(X.m);
const u32 n_elem = P.n_elem;
indices.set_size(n_elem, 1);
u32* indices_mem = indices.memptr();
u32 n_nz = 0;
for(u32 i=0; i<n_elem; ++i)
{
const eT tmp = P[i];
bool not_zero;
if(is_same_type<op_type, op_rel_eq >::value == true) { not_zero = (tmp == val); }
else if(is_same_type<op_type, op_rel_noteq>::value == true) { not_zero = (tmp != val); }
else not_zero = false;
if(not_zero == true)
{
indices_mem[n_nz] = i;
++n_nz;
}
}
return n_nz;
}
| u32 op_find::helper | ( | Mat< u32 > & | indices, | |
| const mtGlue< u32, T1, T2, glue_type > & | X, | |||
| const typename arma_glue_rel_only< glue_type >::result | junk1 = 0, |
|||
| const typename arma_not_cx< typename T1::elem_type >::result | junk2 = 0, |
|||
| const typename arma_not_cx< typename T2::elem_type >::result | junk3 = 0 | |||
| ) | [inline, static, inherited] |
Definition at line 168 of file op_find_meat.hpp.
References mtGlue< out_eT, T1, T2, glue_type >::A, mtGlue< out_eT, T1, T2, glue_type >::B, Mat< eT >::memptr(), and Mat< eT >::set_size().
{
arma_extra_debug_sigprint();
typedef typename T1::elem_type eT1;
typedef typename T2::elem_type eT2;
const Proxy<T1> A(X.A);
const Proxy<T2> B(X.B);
arma_debug_assert_same_size(A, B, "relational operator");
const u32 n_elem = A.n_elem;
indices.set_size(n_elem, 1);
u32* indices_mem = indices.memptr();
u32 n_nz = 0;
for(u32 i=0; i<n_elem; ++i)
{
const eT1 tmp1 = A[i];
const eT1 tmp2 = B[i];
bool not_zero;
if(is_same_type<glue_type, glue_rel_lt >::value == true) { not_zero = (tmp1 < tmp2); }
else if(is_same_type<glue_type, glue_rel_gt >::value == true) { not_zero = (tmp1 > tmp2); }
else if(is_same_type<glue_type, glue_rel_lteq >::value == true) { not_zero = (tmp1 <= tmp2); }
else if(is_same_type<glue_type, glue_rel_gteq >::value == true) { not_zero = (tmp1 >= tmp2); }
else if(is_same_type<glue_type, glue_rel_eq >::value == true) { not_zero = (tmp1 == tmp2); }
else if(is_same_type<glue_type, glue_rel_noteq >::value == true) { not_zero = (tmp1 != tmp2); }
else not_zero = false;
if(not_zero == true)
{
indices_mem[n_nz] = i;
++n_nz;
}
}
return n_nz;
}
| u32 op_find::helper | ( | Mat< u32 > & | indices, | |
| const mtGlue< u32, T1, T2, glue_type > & | X, | |||
| const typename arma_glue_rel_only< glue_type >::result | junk1 = 0, |
|||
| const typename arma_cx_only< typename T1::elem_type >::result | junk2 = 0, |
|||
| const typename arma_cx_only< typename T2::elem_type >::result | junk3 = 0 | |||
| ) | [inline, static, inherited] |
Definition at line 224 of file op_find_meat.hpp.
References mtGlue< out_eT, T1, T2, glue_type >::A, mtGlue< out_eT, T1, T2, glue_type >::B, Mat< eT >::memptr(), and Mat< eT >::set_size().
{
arma_extra_debug_sigprint();
const Proxy<T1> A(X.A);
const Proxy<T2> B(X.B);
arma_debug_assert_same_size(A, B, "relational operator");
const u32 n_elem = A.n_elem;
indices.set_size(n_elem, 1);
u32* indices_mem = indices.memptr();
u32 n_nz = 0;
for(u32 i=0; i<n_elem; ++i)
{
bool not_zero;
if(is_same_type<glue_type, glue_rel_eq >::value == true) { not_zero = (A[i] == B[i]); }
else if(is_same_type<glue_type, glue_rel_noteq >::value == true) { not_zero = (A[i] != B[i]); }
else not_zero = false;
if(not_zero == true)
{
indices_mem[n_nz] = i;
++n_nz;
}
}
return n_nz;
}
| void op_find::apply | ( | Mat< u32 > & | out, | |
| const mtOp< u32, T1, op_find > & | X | |||
| ) | [inline, static, inherited] |
Definition at line 269 of file op_find_meat.hpp.
References mtOp< out_eT, T1, op_type >::aux_u32_a, mtOp< out_eT, T1, op_type >::aux_u32_b, helper(), mtOp< out_eT, T1, op_type >::m, Mat< eT >::reset(), and Mat< eT >::rows().
{
arma_extra_debug_sigprint();
const u32 k = X.aux_u32_a;
const u32 type = X.aux_u32_b;
Mat<u32> indices;
const u32 n_nz = op_find::helper(indices, X.m);
if(n_nz > 0)
{
if(type == 0) // "first"
{
out = (k > 0 && k <= n_nz) ? indices.rows(0, k-1 ) : indices.rows(0, n_nz-1);
}
else // "last"
{
out = (k > 0 && k <= n_nz) ? indices.rows(n_nz-k, n_nz-1) : indices.rows(0, n_nz-1);
}
}
else
{
out.reset();
}
}