Functions

Operator_cube_minus

//! More...

Functions

template<typename T1 >
arma_inline const eOpCube< T1,
eop_cube_neg
operator- (const BaseCube< typename T1::elem_type, T1 > &X)
 unary -
template<typename T1 >
arma_inline const T1 & operator- (const eOpCube< T1, eop_cube_neg > &X)
 cancellation of two consecutive negations: -(-T1)
template<typename T1 >
arma_inline const eOpCube< T1,
eop_cube_scalar_minus_post
operator- (const BaseCube< typename T1::elem_type, T1 > &X, const typename T1::elem_type k)
 BaseCube - scalar.
template<typename T1 >
arma_inline const eOpCube< T1,
eop_cube_scalar_minus_pre
operator- (const typename T1::elem_type k, const BaseCube< typename T1::elem_type, T1 > &X)
 scalar - BaseCube
template<typename T1 , typename T2 >
arma_inline const eGlueCube
< T1, T2, eglue_cube_minus
operator- (const BaseCube< typename T1::elem_type, T1 > &X, const BaseCube< typename T1::elem_type, T2 > &Y)
 subtraction of BaseCube objects with same element type
template<typename T1 , typename T2 >
arma_inline Cube< typename
promote_type< typename
T1::elem_type, typename
T2::elem_type >::result > 
operator- (const BaseCube< typename force_different_type< typename T1::elem_type, typename T2::elem_type >::T1_result, T1 > &X, const BaseCube< typename force_different_type< typename T1::elem_type, typename T2::elem_type >::T2_result, T2 > &Y)
 subtraction of Base objects with different element types

Detailed Description

//!


Function Documentation

template<typename T1 >
arma_inline const eOpCube<T1, eop_cube_neg> operator- ( const BaseCube< typename T1::elem_type, T1 > &  X  ) 

unary -

Definition at line 27 of file operator_cube_minus.hpp.

  {
  arma_extra_debug_sigprint();
  
  return eOpCube<T1, eop_cube_neg>(X.get_ref());
  }

template<typename T1 >
arma_inline const T1& operator- ( const eOpCube< T1, eop_cube_neg > &  X  ) 

cancellation of two consecutive negations: -(-T1)

Definition at line 43 of file operator_cube_minus.hpp.

  {
  arma_extra_debug_sigprint();
  
  return X.m;
  }

template<typename T1 >
arma_inline const eOpCube<T1, eop_cube_scalar_minus_post> operator- ( const BaseCube< typename T1::elem_type, T1 > &  X,
const typename T1::elem_type  k 
)

BaseCube - scalar.

Definition at line 59 of file operator_cube_minus.hpp.

References BaseCube< elem_type, derived >::get_ref().

  {
  arma_extra_debug_sigprint();
  
  return eOpCube<T1, eop_cube_scalar_minus_post>(X.get_ref(), k);
  }

template<typename T1 >
arma_inline const eOpCube<T1, eop_cube_scalar_minus_pre> operator- ( const typename T1::elem_type  k,
const BaseCube< typename T1::elem_type, T1 > &  X 
)

scalar - BaseCube

Definition at line 76 of file operator_cube_minus.hpp.

References BaseCube< elem_type, derived >::get_ref().

  {
  arma_extra_debug_sigprint();
  
  return eOpCube<T1, eop_cube_scalar_minus_pre>(X.get_ref(), k);
  }

template<typename T1 , typename T2 >
arma_inline const eGlueCube<T1, T2, eglue_cube_minus> operator- ( const BaseCube< typename T1::elem_type, T1 > &  X,
const BaseCube< typename T1::elem_type, T2 > &  Y 
)

subtraction of BaseCube objects with same element type

Definition at line 93 of file operator_cube_minus.hpp.

References BaseCube< elem_type, derived >::get_ref().

  {
  arma_extra_debug_sigprint();
  
  return eGlueCube<T1, T2, eglue_cube_minus>(X.get_ref(), Y.get_ref());
  }

template<typename T1 , typename T2 >
arma_inline Cube<typename promote_type<typename T1::elem_type, typename T2::elem_type>::result> operator- ( const BaseCube< typename force_different_type< typename T1::elem_type, typename T2::elem_type >::T1_result, T1 > &  X,
const BaseCube< typename force_different_type< typename T1::elem_type, typename T2::elem_type >::T2_result, T2 > &  Y 
)

subtraction of Base objects with different element types

Definition at line 110 of file operator_cube_minus.hpp.

References upgrade_val< T1, T2 >::apply(), promote_type< T1, T2 >::check(), BaseCube< elem_type, derived >::get_ref(), Cube< eT >::memptr(), and Cube< eT >::n_elem.

  {
  arma_extra_debug_sigprint();
  
  typedef typename T1::elem_type eT1;
  typedef typename T2::elem_type eT2;
  
  typedef typename promote_type<eT1,eT2>::result out_eT;
  
  promote_type<eT1,eT2>::check();
  
  const ProxyCube<T1> A(X.get_ref());
  const ProxyCube<T2> B(Y.get_ref());
  
  arma_debug_assert_same_size(A, B, "cube subtraction");
  
  Cube<out_eT> out(A.n_rows, A.n_cols, A.n_slices);

        out_eT* out_mem = out.memptr();
  const u32     n_elem  = out.n_elem;
  
  for(u32 i=0; i<n_elem; ++i)
    {
    out_mem[i] = upgrade_val<eT1,eT2>::apply(A[i]) - upgrade_val<eT1,eT2>::apply(B[i]);
    }
  
  return out;
  }