Mercurial > hg > octave-nkf
annotate libinterp/octave-value/ov-bool.cc @ 20706:1339ad3c9faa stable
Fix typo in str2func docstring.
* ov-fcn-handle.cc (Ffunc2str): Fix typo where 'a' should be '@'.
| author | Rik <rik@octave.org> |
|---|---|
| date | Tue, 22 Sep 2015 02:06:17 -0700 |
| parents | 09ed6f7538dd |
| children | c6224b4e7774 |
| rev | line source |
|---|---|
| 2871 | 1 /* |
| 2 | |
|
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3 Copyright (C) 1996-2015 John W. Eaton |
| 2871 | 4 |
| 5 This file is part of Octave. | |
| 6 | |
| 7 Octave is free software; you can redistribute it and/or modify it | |
| 8 under the terms of the GNU General Public License as published by the | |
| 7016 | 9 Free Software Foundation; either version 3 of the License, or (at your |
| 10 option) any later version. | |
| 2871 | 11 |
| 12 Octave is distributed in the hope that it will be useful, but WITHOUT | |
| 13 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
| 15 for more details. | |
| 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 |
| 19 <http://www.gnu.org/licenses/>. | |
| 2871 | 20 |
| 21 */ | |
| 22 | |
| 23 #ifdef HAVE_CONFIG_H | |
| 24 #include <config.h> | |
| 25 #endif | |
| 26 | |
| 3503 | 27 #include <iostream> |
| 2901 | 28 |
| 2871 | 29 #include "mx-base.h" |
| 30 | |
| 31 #include "gripes.h" | |
|
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32 #include "mxarray.h" |
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33 #include "oct-hdf5.h" |
| 2871 | 34 #include "oct-obj.h" |
| 35 #include "ops.h" | |
| 36 #include "ov-bool.h" | |
| 4964 | 37 #include "ov-bool-mat.h" |
| 3223 | 38 #include "ov-base.h" |
| 39 #include "ov-base-scalar.h" | |
| 40 #include "ov-base-scalar.cc" | |
| 2871 | 41 #include "ov-re-mat.h" |
| 42 #include "ov-scalar.h" | |
| 43 #include "pr-output.h" | |
| 44 | |
| 4687 | 45 #include "ls-oct-ascii.h" |
| 46 #include "ls-hdf5.h" | |
| 47 | |
| 3223 | 48 template class octave_base_scalar<bool>; |
| 49 | |
| 2871 | 50 |
| 4612 | 51 DEFINE_OV_TYPEID_FUNCTIONS_AND_DATA (octave_bool, "bool", "logical"); |
| 2871 | 52 |
| 5759 | 53 static octave_base_value * |
| 54 default_numeric_conversion_function (const octave_base_value& a) | |
| 2871 | 55 { |
| 56 CAST_CONV_ARG (const octave_bool&); | |
| 57 | |
| 58 return new octave_scalar (v.bool_value ()); | |
| 59 } | |
| 60 | |
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61 octave_base_value::type_conv_info |
| 2871 | 62 octave_bool::numeric_conversion_function (void) const |
| 63 { | |
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64 return octave_base_value::type_conv_info (default_numeric_conversion_function, |
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65 octave_scalar::static_type_id ()); |
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66 |
| 2871 | 67 } |
| 68 | |
| 69 octave_value | |
| 5885 | 70 octave_bool::do_index_op (const octave_value_list& idx, bool resize_ok) |
| 2871 | 71 { |
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72 // FIXME: this doesn't solve the problem of |
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73 // |
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74 // a = 1; a([1,1], [1,1], [1,1]) |
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75 // |
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76 // and similar constructions. Hmm... |
| 2871 | 77 |
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78 // FIXME: using this constructor avoids narrowing the |
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79 // 1x1 matrix back to a scalar value. Need a better solution |
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80 // to this problem. |
| 2871 | 81 |
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82 octave_value tmp (new octave_bool_matrix (bool_matrix_value ())); |
| 2871 | 83 |
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84 return tmp.do_index_op (idx, resize_ok); |
| 2871 | 85 } |
| 86 | |
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87 octave_value |
| 5731 | 88 octave_bool::resize (const dim_vector& dv, bool fill) const |
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89 { |
| 5731 | 90 if (fill) |
| 91 { | |
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92 boolNDArray retval (dv, false); |
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93 if (dv.numel ()) |
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94 retval(0) = scalar; |
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95 return retval; |
| 5731 | 96 } |
| 97 else | |
| 98 { | |
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99 boolNDArray retval (dv); |
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100 if (dv.numel ()) |
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101 retval(0) = scalar; |
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102 return retval; |
| 5731 | 103 } |
| 104 } | |
| 105 | |
| 2871 | 106 octave_value |
| 5279 | 107 octave_bool::convert_to_str_internal (bool, bool, char type) const |
| 2871 | 108 { |
| 109 char s[2]; | |
| 4358 | 110 s[0] = static_cast<char> (scalar); |
| 2871 | 111 s[1] = '\0'; |
| 112 | |
| 5279 | 113 return octave_value (s, type); |
| 2871 | 114 } |
| 115 | |
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116 bool |
| 6974 | 117 octave_bool::save_ascii (std::ostream& os) |
| 4687 | 118 { |
| 119 double d = double_value (); | |
| 120 | |
| 121 octave_write_double (os, d); | |
| 122 os << "\n"; | |
| 123 | |
| 124 return true; | |
| 125 } | |
| 126 | |
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127 bool |
| 4687 | 128 octave_bool::load_ascii (std::istream& is) |
| 129 { | |
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130 scalar = (octave_read_value<double> (is) != 0.); |
| 4687 | 131 |
| 132 if (!is) | |
| 133 { | |
| 134 error ("load: failed to load scalar constant"); | |
| 135 return false; | |
| 136 } | |
| 137 | |
| 138 return true; | |
| 139 } | |
| 140 | |
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141 bool |
| 4687 | 142 octave_bool::save_binary (std::ostream& os, bool& /* save_as_floats */) |
| 143 { | |
| 144 char tmp = (scalar ? 1 : 0); | |
| 5760 | 145 os.write (reinterpret_cast<char *> (&tmp), 1); |
| 4687 | 146 |
| 147 return true; | |
| 148 } | |
| 149 | |
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150 bool |
| 4687 | 151 octave_bool::load_binary (std::istream& is, bool /* swap */, |
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152 oct_mach_info::float_format /* fmt */) |
| 4687 | 153 { |
| 154 char tmp; | |
| 5760 | 155 if (! is.read (reinterpret_cast<char *> (&tmp), 1)) |
| 4687 | 156 return false; |
| 157 scalar = (tmp ? 1 : 0); | |
| 158 return true; | |
| 159 } | |
| 160 | |
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161 bool |
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162 octave_bool::save_hdf5 (octave_hdf5_id loc_id, const char *name, |
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163 bool /* save_as_floats */) |
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164 { |
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165 bool retval = false; |
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166 |
| 4687 | 167 #if defined (HAVE_HDF5) |
| 4944 | 168 |
| 4687 | 169 hsize_t dimens[3]; |
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170 hid_t space_hid, data_hid; |
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171 space_hid = data_hid = -1; |
| 4687 | 172 |
| 4815 | 173 space_hid = H5Screate_simple (0, dimens, 0); |
| 4687 | 174 if (space_hid < 0) return false; |
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175 #if HAVE_HDF5_18 |
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176 data_hid = H5Dcreate (loc_id, name, H5T_NATIVE_DOUBLE, space_hid, |
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177 H5P_DEFAULT, H5P_DEFAULT, H5P_DEFAULT); |
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178 #else |
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179 data_hid = H5Dcreate (loc_id, name, H5T_NATIVE_DOUBLE, space_hid, |
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180 H5P_DEFAULT); |
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181 #endif |
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182 if (data_hid < 0) |
| 4687 | 183 { |
| 184 H5Sclose (space_hid); | |
| 185 return false; | |
| 186 } | |
| 187 | |
| 188 double tmp = double_value (); | |
| 189 retval = H5Dwrite (data_hid, H5T_NATIVE_DOUBLE, H5S_ALL, H5S_ALL, | |
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190 H5P_DEFAULT, &tmp) >= 0; |
| 4687 | 191 |
| 192 H5Dclose (data_hid); | |
| 193 H5Sclose (space_hid); | |
| 4837 | 194 |
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195 #else |
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196 gripe_save ("hdf5"); |
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197 #endif |
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198 |
| 4687 | 199 return retval; |
| 200 } | |
| 201 | |
| 202 bool | |
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203 octave_bool::load_hdf5 (octave_hdf5_id loc_id, const char *name) |
| 4687 | 204 { |
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205 #if defined (HAVE_HDF5) |
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206 |
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207 #if HAVE_HDF5_18 |
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208 hid_t data_hid = H5Dopen (loc_id, name, H5P_DEFAULT); |
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209 #else |
| 4687 | 210 hid_t data_hid = H5Dopen (loc_id, name); |
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211 #endif |
| 4687 | 212 hid_t space_id = H5Dget_space (data_hid); |
| 213 | |
| 214 hsize_t rank = H5Sget_simple_extent_ndims (space_id); | |
| 215 | |
| 216 if (rank != 0) | |
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217 { |
| 4687 | 218 H5Dclose (data_hid); |
| 219 return false; | |
| 220 } | |
| 221 | |
| 222 double dtmp; | |
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223 if (H5Dread (data_hid, H5T_NATIVE_DOUBLE, H5S_ALL, H5S_ALL, |
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224 H5P_DEFAULT, &dtmp) < 0) |
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225 { |
| 4687 | 226 H5Dclose (data_hid); |
| 227 return false; | |
| 228 } | |
| 229 | |
| 230 scalar = (dtmp != 0.); | |
| 4837 | 231 |
| 4687 | 232 H5Dclose (data_hid); |
| 4837 | 233 |
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234 #else |
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235 gripe_load ("hdf5"); |
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236 #endif |
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237 |
| 4687 | 238 return true; |
| 239 } | |
| 4944 | 240 |
| 5900 | 241 mxArray * |
| 242 octave_bool::as_mxArray (void) const | |
| 243 { | |
| 244 mxArray *retval = new mxArray (mxLOGICAL_CLASS, 1, 1, mxREAL); | |
| 245 | |
| 246 bool *pr = static_cast<bool *> (retval->get_data ()); | |
| 247 | |
| 248 pr[0] = scalar; | |
| 249 | |
| 250 return retval; | |
| 251 } |