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// SPDX-License-Identifier: Apache-2.0
//
// Copyright 2008-2016 Conrad Sanderson (http://conradsanderson.id.au)
// Copyright 2008-2016 National ICT Australia (NICTA)
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
// ------------------------------------------------------------------------
//! \addtogroup fn_randg
//! @{
template<typename obj_type>
arma_warn_unused
inline
obj_type
randg(const uword n_rows, const uword n_cols, const distr_param& param = distr_param(), const typename arma_Mat_Col_Row_only<obj_type>::result* junk = nullptr)
{
arma_extra_debug_sigprint();
arma_ignore(junk);
typedef typename obj_type::elem_type eT;
if(is_Col<obj_type>::value)
{
arma_debug_check( (n_cols != 1), "randg(): incompatible size" );
}
else
if(is_Row<obj_type>::value)
{
arma_debug_check( (n_rows != 1), "randg(): incompatible size" );
}
double a = double(1);
double b = double(1);
param.get_double_vals(a,b);
arma_debug_check( ((a <= double(0)) || (b <= double(0))), "randg(): incorrect distribution parameters; a and b must be greater than zero" );
obj_type out(n_rows, n_cols, arma_nozeros_indicator());
arma_rng::randg<eT>::fill(out.memptr(), out.n_elem, a, b);
return out;
}
template<typename obj_type>
arma_warn_unused
inline
obj_type
randg(const SizeMat& s, const distr_param& param = distr_param(), const typename arma_Mat_Col_Row_only<obj_type>::result* junk = nullptr)
{
arma_extra_debug_sigprint();
arma_ignore(junk);
return randg<obj_type>(s.n_rows, s.n_cols, param);
}
template<typename obj_type>
arma_warn_unused
inline
obj_type
randg(const uword n_elem, const distr_param& param = distr_param(), const arma_empty_class junk1 = arma_empty_class(), const typename arma_Mat_Col_Row_only<obj_type>::result* junk2 = nullptr)
{
arma_extra_debug_sigprint();
arma_ignore(junk1);
arma_ignore(junk2);
const uword n_rows = (is_Row<obj_type>::value) ? uword(1) : n_elem;
const uword n_cols = (is_Row<obj_type>::value) ? n_elem : uword(1);
return randg<obj_type>(n_rows, n_cols, param);
}
arma_warn_unused
inline
mat
randg(const uword n_rows, const uword n_cols, const distr_param& param = distr_param())
{
arma_extra_debug_sigprint();
return randg<mat>(n_rows, n_cols, param);
}
arma_warn_unused
inline
mat
randg(const SizeMat& s, const distr_param& param = distr_param())
{
arma_extra_debug_sigprint();
return randg<mat>(s.n_rows, s.n_cols, param);
}
arma_warn_unused
inline
vec
randg(const uword n_elem, const distr_param& param = distr_param())
{
arma_extra_debug_sigprint();
return randg<vec>(n_elem, uword(1), param);
}
arma_warn_unused
inline
double
randg(const distr_param& param = distr_param())
{
arma_extra_debug_sigprint();
double a = double(1);
double b = double(1);
param.get_double_vals(a,b);
arma_debug_check( ((a <= double(0)) || (b <= double(0))), "randg(): incorrect distribution parameters; a and b must be greater than zero" );
double out_val = double(0);
arma_rng::randg<double>::fill(&out_val, uword(1), a, b);
return out_val;
}
template<typename eT>
arma_warn_unused
inline
typename arma_real_or_cx_only<eT>::result
randg(const distr_param& param = distr_param())
{
arma_extra_debug_sigprint();
double a = double(1);
double b = double(1);
param.get_double_vals(a,b);
arma_debug_check( ((a <= double(0)) || (b <= double(0))), "randg(): incorrect distribution parameters; a and b must be greater than zero" );
eT out_val = eT(0);
arma_rng::randg<eT>::fill(&out_val, uword(1), a, b);
return out_val;
}
template<typename cube_type>
arma_warn_unused
inline
cube_type
randg(const uword n_rows, const uword n_cols, const uword n_slices, const distr_param& param = distr_param(), const typename arma_Cube_only<cube_type>::result* junk = nullptr)
{
arma_extra_debug_sigprint();
arma_ignore(junk);
typedef typename cube_type::elem_type eT;
double a = double(1);
double b = double(1);
param.get_double_vals(a,b);
arma_debug_check( ((a <= double(0)) || (b <= double(0))), "randg(): incorrect distribution parameters; a and b must be greater than zero" );
cube_type out(n_rows, n_cols, n_slices, arma_nozeros_indicator());
arma_rng::randg<eT>::fill(out.memptr(), out.n_elem, a, b);
return out;
}
template<typename cube_type>
arma_warn_unused
inline
cube_type
randg(const SizeCube& s, const distr_param& param = distr_param(), const typename arma_Cube_only<cube_type>::result* junk = nullptr)
{
arma_extra_debug_sigprint();
arma_ignore(junk);
return randg<cube_type>(s.n_rows, s.n_cols, s.n_slices, param);
}
arma_warn_unused
inline
cube
randg(const uword n_rows, const uword n_cols, const uword n_slices, const distr_param& param = distr_param())
{
arma_extra_debug_sigprint();
return randg<cube>(n_rows, n_cols, n_slices, param);
}
arma_warn_unused
inline
cube
randg(const SizeCube& s, const distr_param& param = distr_param())
{
arma_extra_debug_sigprint();
return randg<cube>(s.n_rows, s.n_cols, s.n_slices, param);
}
//! @}
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