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annotate armadillo-2.4.4/include/armadillo_bits/fn_randu.hpp @ 18:8d046a9d36aa slimline

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Back out rev 13:ac07c60aa798. Like an idiot, I committed a whole pile of unrelated changes in the guise of a single typo fix. Will re-commit in stages
author Chris Cannam
date Thu, 10 May 2012 10:45:44 +0100
parents 8b6102e2a9b0
children
rev   line source
max@0 1 // Copyright (C) 2008-2011 NICTA (www.nicta.com.au)
max@0 2 // Copyright (C) 2008-2011 Conrad Sanderson
max@0 3 //
max@0 4 // This file is part of the Armadillo C++ library.
max@0 5 // It is provided without any warranty of fitness
max@0 6 // for any purpose. You can redistribute this file
max@0 7 // and/or modify it under the terms of the GNU
max@0 8 // Lesser General Public License (LGPL) as published
max@0 9 // by the Free Software Foundation, either version 3
max@0 10 // of the License or (at your option) any later version.
max@0 11 // (see http://www.opensource.org/licenses for more info)
max@0 12
max@0 13
max@0 14 //! \addtogroup fn_randu
max@0 15 //! @{
max@0 16
max@0 17
max@0 18 inline
max@0 19 double
max@0 20 randu()
max@0 21 {
max@0 22 return double(eop_aux_randu<double>());
max@0 23 }
max@0 24
max@0 25
max@0 26 template<typename eT>
max@0 27 inline
max@0 28 typename arma_scalar_only<eT>::result
max@0 29 randu()
max@0 30 {
max@0 31 return eT(eop_aux_randu<eT>());
max@0 32 }
max@0 33
max@0 34
max@0 35
max@0 36 //! Generate a vector with all elements set to random values in the [0,1] interval (uniform distribution)
max@0 37 arma_inline
max@0 38 const Gen<vec::elem_type, gen_randu>
max@0 39 randu(const uword n_elem)
max@0 40 {
max@0 41 arma_extra_debug_sigprint();
max@0 42
max@0 43 return Gen<vec::elem_type, gen_randu>(n_elem, 1);
max@0 44 }
max@0 45
max@0 46
max@0 47
max@0 48 template<typename vec_type>
max@0 49 arma_inline
max@0 50 const Gen<typename vec_type::elem_type, gen_randu>
max@0 51 randu(const uword n_elem, const arma_empty_class junk1 = arma_empty_class(), const typename arma_Mat_Col_Row_only<vec_type>::result* junk2 = 0)
max@0 52 {
max@0 53 arma_extra_debug_sigprint();
max@0 54 arma_ignore(junk1);
max@0 55 arma_ignore(junk2);
max@0 56
max@0 57 if(is_Row<vec_type>::value == true)
max@0 58 {
max@0 59 return Gen<typename vec_type::elem_type, gen_randu>(1, n_elem);
max@0 60 }
max@0 61 else
max@0 62 {
max@0 63 return Gen<typename vec_type::elem_type, gen_randu>(n_elem, 1);
max@0 64 }
max@0 65 }
max@0 66
max@0 67
max@0 68
max@0 69 //! Generate a dense matrix with all elements set to random values in the [0,1] interval (uniform distribution)
max@0 70 arma_inline
max@0 71 const Gen<mat::elem_type, gen_randu>
max@0 72 randu(const uword n_rows, const uword n_cols)
max@0 73 {
max@0 74 arma_extra_debug_sigprint();
max@0 75
max@0 76 return Gen<mat::elem_type, gen_randu>(n_rows, n_cols);
max@0 77 }
max@0 78
max@0 79
max@0 80
max@0 81 template<typename mat_type>
max@0 82 arma_inline
max@0 83 const Gen<typename mat_type::elem_type, gen_randu>
max@0 84 randu(const uword n_rows, const uword n_cols, const typename arma_Mat_Col_Row_only<mat_type>::result* junk = 0)
max@0 85 {
max@0 86 arma_extra_debug_sigprint();
max@0 87 arma_ignore(junk);
max@0 88
max@0 89 return Gen<typename mat_type::elem_type, gen_randu>(n_rows, n_cols);
max@0 90 }
max@0 91
max@0 92
max@0 93
max@0 94 arma_inline
max@0 95 const GenCube<cube::elem_type, gen_randu>
max@0 96 randu(const uword n_rows, const uword n_cols, const uword n_slices)
max@0 97 {
max@0 98 arma_extra_debug_sigprint();
max@0 99
max@0 100 return GenCube<cube::elem_type, gen_randu>(n_rows, n_cols, n_slices);
max@0 101 }
max@0 102
max@0 103
max@0 104
max@0 105 template<typename cube_type>
max@0 106 arma_inline
max@0 107 const GenCube<typename cube_type::elem_type, gen_randu>
max@0 108 randu(const uword n_rows, const uword n_cols, const uword n_slices, const typename arma_Cube_only<cube_type>::result* junk = 0)
max@0 109 {
max@0 110 arma_extra_debug_sigprint();
max@0 111 arma_ignore(junk);
max@0 112
max@0 113 return GenCube<typename cube_type::elem_type, gen_randu>(n_rows, n_cols, n_slices);
max@0 114 }
max@0 115
max@0 116
max@0 117
max@0 118 //! @}