Mercurial > octave
annotate libinterp/octave-value/ov-base-int.cc @ 26399:586413770c7f
pass save_as_floats by value in octave_value save_binary functions
* ov.h (octave_value::save_binary): Pass save_as_floats parameter by
value.
* ov-base.h, ov-base.cc (octave_base_value::save_binary): Likewise.
* ov-base-int.cc, ov-base-int.h, ov-bool-mat.cc, ov-bool-mat.h,
ov-bool-sparse.cc, ov-bool-sparse.h, ov-bool.cc, ov-bool.h,
ov-cell.cc, ov-cell.h, ov-class.cc, ov-class.h, ov-complex.cc,
ov-complex.h, ov-cx-diag.cc, ov-cx-diag.h, ov-cx-mat.cc, ov-cx-mat.h,
ov-cx-sparse.cc, ov-cx-sparse.h, ov-fcn-handle.cc, ov-fcn-handle.h,
ov-fcn-inline.cc, ov-fcn-inline.h, ov-float.cc, ov-float.h,
ov-flt-complex.cc, ov-flt-complex.h, ov-flt-cx-diag.cc,
ov-flt-cx-diag.h, ov-flt-cx-mat.cc, ov-flt-cx-mat.h,
ov-flt-re-diag.cc, ov-flt-re-diag.h, ov-flt-re-mat.cc,
ov-flt-re-mat.h, ov-java.cc, ov-java.h, ov-lazy-idx.cc, ov-lazy-idx.h,
ov-oncleanup.cc, ov-oncleanup.h, ov-perm.cc, ov-perm.h, ov-range.cc,
ov-range.h, ov-re-diag.cc, ov-re-diag.h, ov-re-mat.cc, ov-re-mat.h,
ov-re-sparse.cc, ov-re-sparse.h, ov-scalar.cc, ov-scalar.h,
ov-str-mat.cc, ov-str-mat.h, ov-struct.cc, ov-struct.h:
Pass save_as_floats parameter by value in all classes derived from
octave_base_value.
author | John W. Eaton <jwe@octave.org> |
---|---|
date | Thu, 03 Jan 2019 09:36:00 -0500 |
parents | 00f796120a6d |
children | b442ec6dda5c |
rev | line source |
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4903 | 1 /* |
2 | |
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3 Copyright (C) 2004-2019 John W. Eaton |
4903 | 4 |
5 This file is part of Octave. | |
6 | |
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7 Octave is free software: you can redistribute it and/or modify it |
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8 under the terms of the GNU General Public License as published by |
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9 the Free Software Foundation, either version 3 of the License, or |
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10 (at your option) any later version. |
4903 | 11 |
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12 Octave is distributed in the hope that it will be useful, but |
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13 WITHOUT ANY WARRANTY; without even the implied warranty of |
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14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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15 GNU General Public License for more details. |
4903 | 16 |
17 You should have received a copy of the GNU General Public License | |
7016 | 18 along with Octave; see the file COPYING. If not, see |
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19 <https://www.gnu.org/licenses/>. |
4903 | 20 |
21 */ | |
22 | |
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23 // This file should not include config.h. It is only included in other |
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24 // C++ source files that should have included config.h before including |
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25 // this file. |
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27 #include <istream> |
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28 #include <limits> |
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29 #include <ostream> |
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30 #include <sstream> |
4903 | 31 #include <vector> |
32 | |
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33 #include "dNDArray.h" |
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34 #include "fNDArray.h" |
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35 #include "int8NDArray.h" |
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36 #include "int16NDArray.h" |
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37 #include "int32NDArray.h" |
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38 #include "int64NDArray.h" |
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39 #include "uint8NDArray.h" |
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40 #include "uint16NDArray.h" |
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41 #include "uint32NDArray.h" |
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42 #include "uint64NDArray.h" |
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43 |
4903 | 44 #include "lo-ieee.h" |
45 #include "lo-utils.h" | |
46 #include "mx-base.h" | |
47 #include "quit.h" | |
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48 #include "oct-locbuf.h" |
4903 | 49 |
50 #include "defun.h" | |
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51 #include "errwarn.h" |
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52 #include "ovl.h" |
4903 | 53 #include "oct-lvalue.h" |
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54 #include "oct-hdf5.h" |
4944 | 55 #include "oct-stream.h" |
4903 | 56 #include "ops.h" |
57 #include "ov-base.h" | |
58 #include "ov-base-mat.h" | |
59 #include "ov-base-mat.cc" | |
60 #include "ov-base-scalar.h" | |
61 #include "ov-base-scalar.cc" | |
62 #include "ov-base-int.h" | |
63 #include "ov-int-traits.h" | |
64 #include "pr-output.h" | |
65 #include "variables.h" | |
66 | |
67 #include "byte-swap.h" | |
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68 #include "ls-oct-text.h" |
4903 | 69 #include "ls-utils.h" |
70 #include "ls-hdf5.h" | |
71 | |
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72 // We have all the machinery below (octave_base_int_helper and |
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73 // octave_base_int_helper_traits) to avoid a few warnings from GCC |
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74 // about comparisons always false due to limited range of data types. |
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75 // Ugh. The cure may be worse than the disease. |
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76 |
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77 template <typename T, bool is_signed = true, bool can_be_too_big = true> |
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78 struct octave_base_int_helper |
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79 { |
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80 static bool |
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81 char_value_out_of_range (T val) |
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82 { |
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83 return val < 0 || val > std::numeric_limits<unsigned char>::max (); |
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84 } |
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85 }; |
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86 |
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87 template <typename T> |
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88 struct octave_base_int_helper<T, false, false> |
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89 { |
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90 static bool char_value_out_of_range (T) { return false; } |
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91 }; |
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92 |
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93 template <typename T> |
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94 struct octave_base_int_helper<T, false, true> |
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95 { |
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96 static bool char_value_out_of_range (T val) |
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97 { |
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98 return val > std::numeric_limits<unsigned char>::max (); |
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99 } |
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100 }; |
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101 |
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102 template <typename T> |
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103 struct octave_base_int_helper<T, true, false> |
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104 { |
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105 static bool char_value_out_of_range (T val) { return val < 0; } |
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106 }; |
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107 |
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108 // For all types other than char, signed char, and unsigned char, we |
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109 // assume that the upper limit for the range of allowable values is |
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110 // larger than the range for unsigned char. If that's not true, we |
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111 // are still OK, but will see the warnings again for any other types |
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112 // that do not meet this assumption. |
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113 |
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114 template <typename T> |
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115 struct octave_base_int_helper_traits |
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116 { |
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117 static const bool can_be_larger_than_uchar_max = true; |
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118 }; |
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119 |
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120 template <> |
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121 struct octave_base_int_helper_traits<char> |
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122 { |
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123 static const bool can_be_larger_than_uchar_max = false; |
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124 }; |
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125 |
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126 template <> |
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127 struct octave_base_int_helper_traits<signed char> |
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128 { |
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129 static const bool can_be_larger_than_uchar_max = false; |
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130 }; |
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131 |
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132 template <> |
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133 struct octave_base_int_helper_traits<unsigned char> |
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134 { |
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135 static const bool can_be_larger_than_uchar_max = false; |
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136 }; |
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137 |
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138 template <typename T> |
5759 | 139 octave_base_value * |
4903 | 140 octave_base_int_matrix<T>::try_narrowing_conversion (void) |
141 { | |
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142 octave_base_value *retval = nullptr; |
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144 if (this->matrix.numel () == 1) |
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145 retval = new typename octave_value_int_traits<T>::scalar_type |
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146 (this->matrix (0)); |
4903 | 147 |
148 return retval; | |
149 } | |
150 | |
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151 template <typename T> |
5992 | 152 octave_value |
153 octave_base_int_matrix<T>::convert_to_str_internal (bool, bool, char type) const | |
154 { | |
155 octave_value retval; | |
156 dim_vector dv = this->dims (); | |
157 octave_idx_type nel = dv.numel (); | |
158 | |
159 charNDArray chm (dv); | |
160 | |
161 bool warned = false; | |
162 | |
163 for (octave_idx_type i = 0; i < nel; i++) | |
164 { | |
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165 octave_quit (); |
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167 typename T::element_type tmp = this->matrix(i); |
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169 typedef typename T::element_type::val_type val_type; |
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170 |
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171 val_type ival = tmp.value (); |
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173 static const bool is_signed = std::numeric_limits<val_type>::is_signed; |
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174 static const bool can_be_larger_than_uchar_max |
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175 = octave_base_int_helper_traits<val_type>::can_be_larger_than_uchar_max; |
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176 |
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177 if (octave_base_int_helper<val_type, is_signed, |
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178 can_be_larger_than_uchar_max>::char_value_out_of_range (ival)) |
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179 { |
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180 // FIXME: is there something better we could do? |
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182 ival = 0; |
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184 if (! warned) |
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185 { |
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186 ::warning ("range error for conversion to character value"); |
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187 warned = true; |
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188 } |
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189 } |
5992 | 190 else |
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191 chm (i) = static_cast<char> (ival); |
5992 | 192 } |
193 | |
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194 retval = octave_value (chm, type); |
5992 | 195 |
196 return retval; | |
197 } | |
198 | |
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199 template <typename MT> |
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200 octave_value |
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201 octave_base_int_matrix<MT>::as_double (void) const |
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202 { |
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203 return NDArray (this->matrix); |
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204 } |
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205 |
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206 template <typename MT> |
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207 octave_value |
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208 octave_base_int_matrix<MT>::as_single (void) const |
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209 { |
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210 return FloatNDArray (this->matrix); |
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211 } |
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212 |
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213 template <typename MT> |
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214 octave_value |
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215 octave_base_int_matrix<MT>::as_int8 (void) const |
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216 { |
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217 return int8NDArray (this->matrix); |
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218 } |
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219 |
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220 template <typename MT> |
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221 octave_value |
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222 octave_base_int_matrix<MT>::as_int16 (void) const |
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223 { |
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224 return int16NDArray (this->matrix); |
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225 } |
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226 |
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227 template <typename MT> |
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228 octave_value |
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229 octave_base_int_matrix<MT>::as_int32 (void) const |
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230 { |
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231 return int32NDArray (this->matrix); |
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232 } |
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233 |
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234 template <typename MT> |
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235 octave_value |
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236 octave_base_int_matrix<MT>::as_int64 (void) const |
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237 { |
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238 return int64NDArray (this->matrix); |
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239 } |
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240 |
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241 template <typename MT> |
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242 octave_value |
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243 octave_base_int_matrix<MT>::as_uint8 (void) const |
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244 { |
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245 return uint8NDArray (this->matrix); |
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246 } |
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247 |
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248 template <typename MT> |
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249 octave_value |
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250 octave_base_int_matrix<MT>::as_uint16 (void) const |
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251 { |
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252 return uint16NDArray (this->matrix); |
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253 } |
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254 |
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255 template <typename MT> |
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256 octave_value |
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257 octave_base_int_matrix<MT>::as_uint32 (void) const |
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258 { |
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259 return uint32NDArray (this->matrix); |
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260 } |
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261 |
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262 template <typename MT> |
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263 octave_value |
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264 octave_base_int_matrix<MT>::as_uint64 (void) const |
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265 { |
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266 return uint64NDArray (this->matrix); |
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267 } |
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268 |
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269 template <typename T> |
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270 std::string |
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271 octave_base_int_matrix<T>::edit_display (const float_display_format& fmt, |
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272 octave_idx_type i, |
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273 octave_idx_type j) const |
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274 { |
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275 std::ostringstream buf; |
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276 octave_print_internal (buf, fmt, this->matrix(i,j)); |
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277 return buf.str (); |
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278 } |
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279 |
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280 template <typename T> |
4903 | 281 bool |
6974 | 282 octave_base_int_matrix<T>::save_ascii (std::ostream& os) |
4903 | 283 { |
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284 dim_vector dv = this->dims (); |
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286 os << "# ndims: " << dv.ndims () << "\n"; |
4903 | 287 |
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288 for (int i = 0; i < dv.ndims (); i++) |
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289 os << ' ' << dv(i); |
4903 | 290 |
4932 | 291 os << "\n" << this->matrix; |
4903 | 292 |
293 return true; | |
294 } | |
295 | |
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296 template <typename T> |
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297 bool |
4903 | 298 octave_base_int_matrix<T>::load_ascii (std::istream& is) |
299 { | |
300 int mdims = 0; | |
301 | |
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302 if (! extract_keyword (is, "ndims", mdims, true)) |
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303 error ("load: failed to extract number of dimensions"); |
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304 |
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305 if (mdims < 0) |
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306 error ("load: failed to extract number of rows and columns"); |
4903 | 307 |
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308 dim_vector dv; |
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309 dv.resize (mdims); |
4903 | 310 |
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311 for (int i = 0; i < mdims; i++) |
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312 is >> dv(i); |
4903 | 313 |
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314 T tmp(dv); |
4903 | 315 |
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316 is >> tmp; |
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317 |
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318 if (! is) |
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319 error ("load: failed to load matrix constant"); |
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320 |
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321 this->matrix = tmp; |
4903 | 322 |
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323 return true; |
4903 | 324 } |
325 | |
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326 template <typename T> |
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327 bool |
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328 octave_base_int_matrix<T>::save_binary (std::ostream& os, bool) |
4903 | 329 { |
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330 dim_vector dv = this->dims (); |
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331 if (dv.ndims () < 1) |
4903 | 332 return false; |
333 | |
334 // Use negative value for ndims to differentiate with old format!! | |
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335 int32_t tmp = - dv.ndims (); |
5760 | 336 os.write (reinterpret_cast<char *> (&tmp), 4); |
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337 for (int i=0; i < dv.ndims (); i++) |
4903 | 338 { |
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339 tmp = dv(i); |
5760 | 340 os.write (reinterpret_cast<char *> (&tmp), 4); |
4903 | 341 } |
342 | |
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343 os.write (reinterpret_cast<const char *> (this->matrix.data ()), |
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344 this->byte_size ()); |
4903 | 345 |
346 return true; | |
347 } | |
348 | |
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349 template <typename T> |
4903 | 350 bool |
351 octave_base_int_matrix<T>::load_binary (std::istream& is, bool swap, | |
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352 octave::mach_info::float_format) |
4903 | 353 { |
5828 | 354 int32_t mdims; |
5760 | 355 if (! is.read (reinterpret_cast<char *> (&mdims), 4)) |
4903 | 356 return false; |
357 if (swap) | |
4944 | 358 swap_bytes<4> (&mdims); |
4917 | 359 if (mdims >= 0) |
360 return false; | |
4903 | 361 |
4917 | 362 mdims = - mdims; |
5828 | 363 int32_t di; |
4917 | 364 dim_vector dv; |
365 dv.resize (mdims); | |
4903 | 366 |
4917 | 367 for (int i = 0; i < mdims; i++) |
4903 | 368 { |
5760 | 369 if (! is.read (reinterpret_cast<char *> (&di), 4)) |
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370 return false; |
4903 | 371 if (swap) |
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372 swap_bytes<4> (&di); |
4917 | 373 dv(i) = di; |
4903 | 374 } |
375 | |
5157 | 376 // Convert an array with a single dimension to be a row vector. |
377 // Octave should never write files like this, other software | |
378 // might. | |
379 | |
380 if (mdims == 1) | |
381 { | |
382 mdims = 2; | |
383 dv.resize (mdims); | |
384 dv(1) = dv(0); | |
385 dv(0) = 1; | |
386 } | |
387 | |
4917 | 388 T m (dv); |
389 | |
5760 | 390 if (! is.read (reinterpret_cast<char *> (m.fortran_vec ()), m.byte_size ())) |
4917 | 391 return false; |
4903 | 392 |
4917 | 393 if (swap) |
394 { | |
395 int nel = dv.numel (); | |
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396 int bytes = nel / m.byte_size (); |
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397 for (int i = 0; i < nel; i++) |
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398 switch (bytes) |
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399 { |
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400 case 8: |
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401 swap_bytes<8> (&m(i)); |
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402 break; |
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403 case 4: |
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404 swap_bytes<4> (&m(i)); |
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405 break; |
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406 case 2: |
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407 swap_bytes<2> (&m(i)); |
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408 break; |
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409 case 1: |
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410 default: |
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411 break; |
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412 } |
4917 | 413 } |
414 | |
4932 | 415 this->matrix = m; |
4903 | 416 return true; |
417 } | |
418 | |
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419 template <typename T> |
4903 | 420 bool |
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421 octave_base_int_matrix<T>::save_hdf5_internal (octave_hdf5_id loc_id, |
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422 octave_hdf5_id save_type, |
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423 const char *name, bool) |
4903 | 424 { |
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425 bool retval = false; |
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426 |
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427 #if defined (HAVE_HDF5) |
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428 |
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429 hid_t save_type_hid = save_type; |
4932 | 430 dim_vector dv = this->dims (); |
4903 | 431 int empty = save_hdf5_empty (loc_id, name, dv); |
432 if (empty) | |
433 return (empty > 0); | |
434 | |
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|
435 int rank = dv.ndims (); |
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436 hid_t space_hid, data_hid; |
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437 space_hid = data_hid = -1; |
4903 | 438 OCTAVE_LOCAL_BUFFER (hsize_t, hdims, rank); |
439 | |
440 // Octave uses column-major, while HDF5 uses row-major ordering | |
441 for (int i = 0; i < rank; i++) | |
20218
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442 hdims[i] = dv(rank-i-1); |
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443 |
23795
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444 space_hid = H5Screate_simple (rank, hdims, nullptr); |
4903 | 445 |
446 if (space_hid < 0) return false; | |
21211
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447 #if defined (HAVE_HDF5_18) |
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448 data_hid = H5Dcreate (loc_id, name, save_type_hid, space_hid, |
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449 octave_H5P_DEFAULT, octave_H5P_DEFAULT, octave_H5P_DEFAULT); |
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450 #else |
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451 data_hid = H5Dcreate (loc_id, name, save_type_hid, space_hid, |
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452 octave_H5P_DEFAULT); |
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453 #endif |
4903 | 454 if (data_hid < 0) |
455 { | |
456 H5Sclose (space_hid); | |
457 return false; | |
458 } | |
459 | |
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460 retval = H5Dwrite (data_hid, save_type_hid, octave_H5S_ALL, octave_H5S_ALL, |
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461 octave_H5P_DEFAULT, this->matrix.data ()) >= 0; |
4903 | 462 |
463 H5Dclose (data_hid); | |
464 H5Sclose (space_hid); | |
465 | |
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466 #else |
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467 octave_unused_parameter (loc_id); |
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468 octave_unused_parameter (save_type); |
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469 octave_unused_parameter (name); |
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470 |
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471 this->warn_save ("hdf5"); |
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472 #endif |
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473 |
4903 | 474 return retval; |
475 } | |
476 | |
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477 template <typename T> |
4903 | 478 bool |
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479 octave_base_int_matrix<T>::load_hdf5_internal (octave_hdf5_id loc_id, |
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480 octave_hdf5_id save_type, |
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481 const char *name) |
4903 | 482 { |
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483 bool retval = false; |
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484 |
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485 #if defined (HAVE_HDF5) |
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486 |
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487 hid_t save_type_hid = save_type; |
4903 | 488 dim_vector dv; |
489 int empty = load_hdf5_empty (loc_id, name, dv); | |
490 if (empty > 0) | |
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491 this->matrix.resize (dv); |
4903 | 492 if (empty) |
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493 return (empty > 0); |
4903 | 494 |
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495 #if defined (HAVE_HDF5_18) |
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496 hid_t data_hid = H5Dopen (loc_id, name, octave_H5P_DEFAULT); |
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497 #else |
4903 | 498 hid_t data_hid = H5Dopen (loc_id, name); |
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499 #endif |
4903 | 500 hid_t space_id = H5Dget_space (data_hid); |
501 | |
502 hsize_t rank = H5Sget_simple_extent_ndims (space_id); | |
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503 |
4903 | 504 if (rank < 1) |
505 { | |
506 H5Sclose (space_id); | |
507 H5Dclose (data_hid); | |
508 return false; | |
509 } | |
510 | |
511 OCTAVE_LOCAL_BUFFER (hsize_t, hdims, rank); | |
512 OCTAVE_LOCAL_BUFFER (hsize_t, maxdims, rank); | |
513 | |
514 H5Sget_simple_extent_dims (space_id, hdims, maxdims); | |
515 | |
516 // Octave uses column-major, while HDF5 uses row-major ordering | |
517 if (rank == 1) | |
518 { | |
519 dv.resize (2); | |
520 dv(0) = 1; | |
521 dv(1) = hdims[0]; | |
522 } | |
523 else | |
524 { | |
525 dv.resize (rank); | |
526 for (hsize_t i = 0, j = rank - 1; i < rank; i++, j--) | |
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527 dv(j) = hdims[i]; |
4903 | 528 } |
529 | |
4917 | 530 T m (dv); |
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531 if (H5Dread (data_hid, save_type_hid, octave_H5S_ALL, octave_H5S_ALL, |
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532 octave_H5P_DEFAULT, m.fortran_vec ()) >= 0) |
4903 | 533 { |
534 retval = true; | |
4932 | 535 this->matrix = m; |
4903 | 536 } |
537 | |
538 H5Sclose (space_id); | |
539 H5Dclose (data_hid); | |
540 | |
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541 #else |
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542 octave_unused_parameter (loc_id); |
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543 octave_unused_parameter (save_type); |
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544 octave_unused_parameter (name); |
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545 |
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546 this->warn_load ("hdf5"); |
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547 #endif |
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548 |
4903 | 549 return retval; |
550 } | |
551 | |
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552 template <typename T> |
4903 | 553 void |
554 octave_base_int_matrix<T>::print_raw (std::ostream& os, | |
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555 bool pr_as_read_syntax) const |
4903 | 556 { |
4932 | 557 octave_print_internal (os, this->matrix, pr_as_read_syntax, |
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558 this->current_print_indent_level ()); |
4903 | 559 } |
560 | |
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561 template <typename T> |
5992 | 562 octave_value |
563 octave_base_int_scalar<T>::convert_to_str_internal (bool, bool, char type) const | |
564 { | |
565 octave_value retval; | |
566 | |
567 T tmp = this->scalar; | |
568 | |
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569 typedef typename T::val_type val_type; |
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570 |
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571 val_type ival = tmp.value (); |
5992 | 572 |
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573 static const bool is_signed = std::numeric_limits<val_type>::is_signed; |
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574 static const bool can_be_larger_than_uchar_max |
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575 = octave_base_int_helper_traits<val_type>::can_be_larger_than_uchar_max; |
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576 |
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577 if (octave_base_int_helper<val_type, is_signed, |
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578 can_be_larger_than_uchar_max>::char_value_out_of_range (ival)) |
5992 | 579 { |
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580 // FIXME: is there something better we could do? |
5992 | 581 |
582 ival = 0; | |
583 | |
584 ::warning ("range error for conversion to character value"); | |
585 } | |
586 else | |
587 retval = octave_value (std::string (1, static_cast<char> (ival)), type); | |
588 | |
589 return retval; | |
590 } | |
591 | |
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592 template <typename T> |
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593 octave_value |
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594 octave_base_int_scalar<T>::as_double (void) const |
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595 { |
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596 return static_cast<double> (this->scalar); |
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597 } |
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598 |
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599 template <typename T> |
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600 octave_value |
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601 octave_base_int_scalar<T>::as_single (void) const |
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602 { |
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603 return static_cast<float> (this->scalar); |
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604 } |
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605 |
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606 template <typename T> |
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607 octave_value |
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608 octave_base_int_scalar<T>::as_int8 (void) const |
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609 { |
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610 return octave_int8 (this->scalar); |
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611 } |
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612 |
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613 template <typename T> |
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614 octave_value |
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615 octave_base_int_scalar<T>::as_int16 (void) const |
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616 { |
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617 return octave_int16 (this->scalar); |
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618 } |
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619 |
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620 template <typename T> |
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621 octave_value |
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622 octave_base_int_scalar<T>::as_int32 (void) const |
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623 { |
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624 return octave_int32 (this->scalar); |
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625 } |
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626 |
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627 template <typename T> |
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628 octave_value |
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629 octave_base_int_scalar<T>::as_int64 (void) const |
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630 { |
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631 return octave_int64 (this->scalar); |
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632 } |
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633 |
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634 template <typename T> |
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635 octave_value |
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636 octave_base_int_scalar<T>::as_uint8 (void) const |
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637 { |
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638 return octave_uint8 (this->scalar); |
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639 } |
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640 |
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641 template <typename T> |
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642 octave_value |
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643 octave_base_int_scalar<T>::as_uint16 (void) const |
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644 { |
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645 return octave_uint16 (this->scalar); |
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646 } |
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647 |
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648 template <typename T> |
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649 octave_value |
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650 octave_base_int_scalar<T>::as_uint32 (void) const |
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651 { |
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652 return octave_uint32 (this->scalar); |
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653 } |
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654 |
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655 template <typename T> |
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656 octave_value |
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657 octave_base_int_scalar<T>::as_uint64 (void) const |
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658 { |
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659 return octave_uint64 (this->scalar); |
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660 } |
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661 |
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662 template <typename ST> |
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663 std::string |
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664 octave_base_int_scalar<ST>::edit_display (const float_display_format& fmt, |
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665 octave_idx_type, |
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666 octave_idx_type) const |
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667 { |
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668 std::ostringstream buf; |
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669 octave_print_internal (buf, fmt, this->scalar); |
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670 return buf.str (); |
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671 } |
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672 |
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673 template <typename T> |
4903 | 674 bool |
6974 | 675 octave_base_int_scalar<T>::save_ascii (std::ostream& os) |
4903 | 676 { |
4932 | 677 os << this->scalar << "\n"; |
4903 | 678 return true; |
679 } | |
680 | |
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681 template <typename T> |
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682 bool |
4903 | 683 octave_base_int_scalar<T>::load_ascii (std::istream& is) |
684 { | |
4932 | 685 is >> this->scalar; |
20893
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686 if (! is) |
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687 error ("load: failed to load scalar constant"); |
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688 |
4903 | 689 return true; |
690 } | |
691 | |
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692 template <typename T> |
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693 bool |
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694 octave_base_int_scalar<T>::save_binary (std::ostream& os, bool) |
4903 | 695 { |
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696 os.write (reinterpret_cast<char *> (&(this->scalar)), this->byte_size ()); |
4903 | 697 return true; |
698 } | |
699 | |
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700 template <typename T> |
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701 bool |
4903 | 702 octave_base_int_scalar<T>::load_binary (std::istream& is, bool swap, |
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703 octave::mach_info::float_format) |
4903 | 704 { |
4917 | 705 T tmp; |
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706 if (! is.read (reinterpret_cast<char *> (&tmp), this->byte_size ())) |
4903 | 707 return false; |
708 | |
4917 | 709 if (swap) |
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710 switch (this->byte_size ()) |
4917 | 711 { |
712 case 8: | |
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713 swap_bytes<8> (&tmp); |
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714 break; |
4917 | 715 case 4: |
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716 swap_bytes<4> (&tmp); |
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717 break; |
4917 | 718 case 2: |
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719 swap_bytes<2> (&tmp); |
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720 break; |
4917 | 721 case 1: |
722 default: | |
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723 break; |
4917 | 724 } |
4932 | 725 this->scalar = tmp; |
4903 | 726 return true; |
727 } | |
728 | |
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729 template <typename T> |
4903 | 730 bool |
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731 octave_base_int_scalar<T>::save_hdf5_internal (octave_hdf5_id loc_id, |
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732 octave_hdf5_id save_type, |
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733 const char *name, bool) |
4903 | 734 { |
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735 bool retval = false; |
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736 |
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737 #if defined (HAVE_HDF5) |
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738 |
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739 hid_t save_type_hid = save_type; |
4903 | 740 hsize_t dimens[3]; |
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741 hid_t space_hid, data_hid; |
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742 space_hid = data_hid = -1; |
4903 | 743 |
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744 space_hid = H5Screate_simple (0, dimens, nullptr); |
4903 | 745 if (space_hid < 0) return false; |
746 | |
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747 #if defined (HAVE_HDF5_18) |
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748 data_hid = H5Dcreate (loc_id, name, save_type_hid, space_hid, |
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749 octave_H5P_DEFAULT, octave_H5P_DEFAULT, octave_H5P_DEFAULT); |
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750 #else |
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751 data_hid = H5Dcreate (loc_id, name, save_type_hid, space_hid, |
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752 octave_H5P_DEFAULT); |
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753 #endif |
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754 if (data_hid < 0) |
4903 | 755 { |
756 H5Sclose (space_hid); | |
757 return false; | |
758 } | |
759 | |
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760 retval = H5Dwrite (data_hid, save_type_hid, octave_H5S_ALL, octave_H5S_ALL, |
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761 octave_H5P_DEFAULT, &(this->scalar)) >= 0; |
4903 | 762 |
763 H5Dclose (data_hid); | |
764 H5Sclose (space_hid); | |
765 | |
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766 #else |
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767 octave_unused_parameter (loc_id); |
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768 octave_unused_parameter (save_type); |
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769 octave_unused_parameter (name); |
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770 |
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771 this->warn_save ("hdf5"); |
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772 #endif |
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773 |
4903 | 774 return retval; |
775 } | |
776 | |
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777 template <typename T> |
4903 | 778 bool |
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779 octave_base_int_scalar<T>::load_hdf5_internal (octave_hdf5_id loc_id, |
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780 octave_hdf5_id save_type, |
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781 const char *name) |
4903 | 782 { |
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783 #if defined (HAVE_HDF5) |
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784 |
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785 hid_t save_type_hid = save_type; |
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786 #if defined (HAVE_HDF5_18) |
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787 hid_t data_hid = H5Dopen (loc_id, name, octave_H5P_DEFAULT); |
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788 #else |
4903 | 789 hid_t data_hid = H5Dopen (loc_id, name); |
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790 #endif |
4903 | 791 hid_t space_id = H5Dget_space (data_hid); |
792 | |
793 hsize_t rank = H5Sget_simple_extent_ndims (space_id); | |
794 | |
795 if (rank != 0) | |
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796 { |
4903 | 797 H5Dclose (data_hid); |
798 return false; | |
799 } | |
800 | |
4917 | 801 T tmp; |
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802 if (H5Dread (data_hid, save_type_hid, octave_H5S_ALL, octave_H5S_ALL, |
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803 octave_H5P_DEFAULT, &tmp) < 0) |
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804 { |
4903 | 805 H5Dclose (data_hid); |
806 return false; | |
807 } | |
808 | |
4932 | 809 this->scalar = tmp; |
4903 | 810 |
811 H5Dclose (data_hid); | |
812 | |
813 return true; | |
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814 |
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815 #else |
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816 octave_unused_parameter (loc_id); |
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817 octave_unused_parameter (save_type); |
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818 octave_unused_parameter (name); |
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819 |
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820 this->warn_load ("hdf5"); |
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821 |
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822 return false; |
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823 #endif |
4903 | 824 } |