174 lines
3.7 KiB
C++
174 lines
3.7 KiB
C++
|
// Copyright (C) 2008-2015 National ICT Australia (NICTA)
|
||
|
//
|
||
|
// This Source Code Form is subject to the terms of the Mozilla Public
|
||
|
// License, v. 2.0. If a copy of the MPL was not distributed with this
|
||
|
// file, You can obtain one at http://mozilla.org/MPL/2.0/.
|
||
|
// -------------------------------------------------------------------
|
||
|
//
|
||
|
// Written by Conrad Sanderson - http://conradsanderson.id.au
|
||
|
|
||
|
|
||
|
//! \addtogroup fn_randu
|
||
|
//! @{
|
||
|
|
||
|
|
||
|
inline
|
||
|
double
|
||
|
randu()
|
||
|
{
|
||
|
return arma_rng::randu<double>();
|
||
|
}
|
||
|
|
||
|
|
||
|
template<typename eT>
|
||
|
inline
|
||
|
typename arma_scalar_only<eT>::result
|
||
|
randu()
|
||
|
{
|
||
|
return eT(arma_rng::randu<eT>());
|
||
|
}
|
||
|
|
||
|
|
||
|
|
||
|
//! Generate a vector with all elements set to random values in the [0,1] interval (uniform distribution)
|
||
|
arma_inline
|
||
|
const Gen<vec, gen_randu>
|
||
|
randu(const uword n_elem)
|
||
|
{
|
||
|
arma_extra_debug_sigprint();
|
||
|
|
||
|
return Gen<vec, gen_randu>(n_elem, 1);
|
||
|
}
|
||
|
|
||
|
|
||
|
|
||
|
template<typename obj_type>
|
||
|
arma_inline
|
||
|
const Gen<obj_type, gen_randu>
|
||
|
randu(const uword n_elem, const arma_empty_class junk1 = arma_empty_class(), const typename arma_Mat_Col_Row_only<obj_type>::result* junk2 = 0)
|
||
|
{
|
||
|
arma_extra_debug_sigprint();
|
||
|
arma_ignore(junk1);
|
||
|
arma_ignore(junk2);
|
||
|
|
||
|
if(is_Row<obj_type>::value == true)
|
||
|
{
|
||
|
return Gen<obj_type, gen_randu>(1, n_elem);
|
||
|
}
|
||
|
else
|
||
|
{
|
||
|
return Gen<obj_type, gen_randu>(n_elem, 1);
|
||
|
}
|
||
|
}
|
||
|
|
||
|
|
||
|
|
||
|
//! Generate a dense matrix with all elements set to random values in the [0,1] interval (uniform distribution)
|
||
|
arma_inline
|
||
|
const Gen<mat, gen_randu>
|
||
|
randu(const uword n_rows, const uword n_cols)
|
||
|
{
|
||
|
arma_extra_debug_sigprint();
|
||
|
|
||
|
return Gen<mat, gen_randu>(n_rows, n_cols);
|
||
|
}
|
||
|
|
||
|
|
||
|
|
||
|
arma_inline
|
||
|
const Gen<mat, gen_randu>
|
||
|
randu(const SizeMat& s)
|
||
|
{
|
||
|
arma_extra_debug_sigprint();
|
||
|
|
||
|
return Gen<mat, gen_randu>(s.n_rows, s.n_cols);
|
||
|
}
|
||
|
|
||
|
|
||
|
|
||
|
template<typename obj_type>
|
||
|
arma_inline
|
||
|
const Gen<obj_type, gen_randu>
|
||
|
randu(const uword n_rows, const uword n_cols, const typename arma_Mat_Col_Row_only<obj_type>::result* junk = 0)
|
||
|
{
|
||
|
arma_extra_debug_sigprint();
|
||
|
arma_ignore(junk);
|
||
|
|
||
|
if(is_Col<obj_type>::value == true)
|
||
|
{
|
||
|
arma_debug_check( (n_cols != 1), "randu(): incompatible size" );
|
||
|
}
|
||
|
else
|
||
|
if(is_Row<obj_type>::value == true)
|
||
|
{
|
||
|
arma_debug_check( (n_rows != 1), "randu(): incompatible size" );
|
||
|
}
|
||
|
|
||
|
return Gen<obj_type, gen_randu>(n_rows, n_cols);
|
||
|
}
|
||
|
|
||
|
|
||
|
|
||
|
template<typename obj_type>
|
||
|
arma_inline
|
||
|
const Gen<obj_type, gen_randu>
|
||
|
randu(const SizeMat& s, const typename arma_Mat_Col_Row_only<obj_type>::result* junk = 0)
|
||
|
{
|
||
|
arma_extra_debug_sigprint();
|
||
|
arma_ignore(junk);
|
||
|
|
||
|
return randu<obj_type>(s.n_rows, s.n_cols);
|
||
|
}
|
||
|
|
||
|
|
||
|
|
||
|
arma_inline
|
||
|
const GenCube<cube::elem_type, gen_randu>
|
||
|
randu(const uword n_rows, const uword n_cols, const uword n_slices)
|
||
|
{
|
||
|
arma_extra_debug_sigprint();
|
||
|
|
||
|
return GenCube<cube::elem_type, gen_randu>(n_rows, n_cols, n_slices);
|
||
|
}
|
||
|
|
||
|
|
||
|
|
||
|
arma_inline
|
||
|
const GenCube<cube::elem_type, gen_randu>
|
||
|
randu(const SizeCube& s)
|
||
|
{
|
||
|
arma_extra_debug_sigprint();
|
||
|
|
||
|
return GenCube<cube::elem_type, gen_randu>(s.n_rows, s.n_cols, s.n_slices);
|
||
|
}
|
||
|
|
||
|
|
||
|
|
||
|
template<typename cube_type>
|
||
|
arma_inline
|
||
|
const GenCube<typename cube_type::elem_type, gen_randu>
|
||
|
randu(const uword n_rows, const uword n_cols, const uword n_slices, const typename arma_Cube_only<cube_type>::result* junk = 0)
|
||
|
{
|
||
|
arma_extra_debug_sigprint();
|
||
|
arma_ignore(junk);
|
||
|
|
||
|
return GenCube<typename cube_type::elem_type, gen_randu>(n_rows, n_cols, n_slices);
|
||
|
}
|
||
|
|
||
|
|
||
|
|
||
|
template<typename cube_type>
|
||
|
arma_inline
|
||
|
const GenCube<typename cube_type::elem_type, gen_randu>
|
||
|
randu(const SizeCube& s, const typename arma_Cube_only<cube_type>::result* junk = 0)
|
||
|
{
|
||
|
arma_extra_debug_sigprint();
|
||
|
arma_ignore(junk);
|
||
|
|
||
|
return GenCube<typename cube_type::elem_type, gen_randu>(s.n_rows, s.n_cols, s.n_slices);
|
||
|
}
|
||
|
|
||
|
|
||
|
|
||
|
//! @}
|