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annotate src/ov-bool.cc @ 11523:fd0a3ac60b0e
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| author | John W. Eaton <jwe@octave.org> |
|---|---|
| date | Fri, 14 Jan 2011 05:47:45 -0500 |
| parents | 57a59eae83cc |
| children | 12df7854fa7c |
| rev | line source |
|---|---|
| 2871 | 1 /* |
| 2 | |
| 11523 | 3 Copyright (C) 1996-2011 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" | |
| 32 #include "oct-obj.h" | |
| 33 #include "ops.h" | |
| 34 #include "ov-bool.h" | |
| 4964 | 35 #include "ov-bool-mat.h" |
| 3223 | 36 #include "ov-base.h" |
| 37 #include "ov-base-scalar.h" | |
| 38 #include "ov-base-scalar.cc" | |
| 2871 | 39 #include "ov-re-mat.h" |
| 40 #include "ov-scalar.h" | |
| 41 #include "pr-output.h" | |
| 42 | |
| 4687 | 43 #include "ls-oct-ascii.h" |
| 44 #include "ls-hdf5.h" | |
| 45 | |
| 3223 | 46 template class octave_base_scalar<bool>; |
| 47 | |
| 3219 | 48 DEFINE_OCTAVE_ALLOCATOR (octave_bool); |
| 2871 | 49 |
| 4612 | 50 DEFINE_OV_TYPEID_FUNCTIONS_AND_DATA (octave_bool, "bool", "logical"); |
| 2871 | 51 |
| 5759 | 52 static octave_base_value * |
| 53 default_numeric_conversion_function (const octave_base_value& a) | |
| 2871 | 54 { |
| 55 CAST_CONV_ARG (const octave_bool&); | |
| 56 | |
| 57 return new octave_scalar (v.bool_value ()); | |
| 58 } | |
| 59 | |
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60 octave_base_value::type_conv_info |
| 2871 | 61 octave_bool::numeric_conversion_function (void) const |
| 62 { | |
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63 return octave_base_value::type_conv_info (default_numeric_conversion_function, |
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64 octave_scalar::static_type_id ()); |
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65 |
| 2871 | 66 } |
| 67 | |
| 68 octave_value | |
| 5885 | 69 octave_bool::do_index_op (const octave_value_list& idx, bool resize_ok) |
| 2871 | 70 { |
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71 // FIXME -- this doesn't solve the problem of |
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72 // |
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73 // a = 1; a([1,1], [1,1], [1,1]) |
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74 // |
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75 // and similar constructions. Hmm... |
| 2871 | 76 |
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77 // FIXME -- using this constructor avoids narrowing the |
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78 // 1x1 matrix back to a scalar value. Need a better solution |
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79 // to this problem. |
| 2871 | 80 |
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81 octave_value tmp (new octave_bool_matrix (bool_matrix_value ())); |
| 2871 | 82 |
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83 return tmp.do_index_op (idx, resize_ok); |
| 2871 | 84 } |
| 85 | |
| 5731 | 86 octave_value |
| 87 octave_bool::resize (const dim_vector& dv, bool fill) const | |
| 88 { | |
| 89 if (fill) | |
| 90 { | |
| 91 boolNDArray retval (dv, false); | |
| 92 if (dv.numel()) | |
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93 retval(0) = scalar; |
| 5731 | 94 return retval; |
| 95 } | |
| 96 else | |
| 97 { | |
| 98 boolNDArray retval (dv); | |
| 99 if (dv.numel()) | |
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100 retval(0) = scalar; |
| 5731 | 101 return retval; |
| 102 } | |
| 103 } | |
| 104 | |
| 2871 | 105 octave_value |
| 5279 | 106 octave_bool::convert_to_str_internal (bool, bool, char type) const |
| 2871 | 107 { |
| 108 char s[2]; | |
| 4358 | 109 s[0] = static_cast<char> (scalar); |
| 2871 | 110 s[1] = '\0'; |
| 111 | |
| 5279 | 112 return octave_value (s, type); |
| 2871 | 113 } |
| 114 | |
| 4687 | 115 bool |
| 6974 | 116 octave_bool::save_ascii (std::ostream& os) |
| 4687 | 117 { |
| 118 double d = double_value (); | |
| 119 | |
| 120 octave_write_double (os, d); | |
| 121 os << "\n"; | |
| 122 | |
| 123 return true; | |
| 124 } | |
| 125 | |
| 126 bool | |
| 127 octave_bool::load_ascii (std::istream& is) | |
| 128 { | |
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129 scalar = (octave_read_value<double> (is) != 0.); |
| 4687 | 130 |
| 131 if (!is) | |
| 132 { | |
| 133 error ("load: failed to load scalar constant"); | |
| 134 return false; | |
| 135 } | |
| 136 | |
| 137 return true; | |
| 138 } | |
| 139 | |
| 140 bool | |
| 141 octave_bool::save_binary (std::ostream& os, bool& /* save_as_floats */) | |
| 142 { | |
| 143 char tmp = (scalar ? 1 : 0); | |
| 5760 | 144 os.write (reinterpret_cast<char *> (&tmp), 1); |
| 4687 | 145 |
| 146 return true; | |
| 147 } | |
| 148 | |
| 149 bool | |
| 150 octave_bool::load_binary (std::istream& is, bool /* swap */, | |
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151 oct_mach_info::float_format /* fmt */) |
| 4687 | 152 { |
| 153 char tmp; | |
| 5760 | 154 if (! is.read (reinterpret_cast<char *> (&tmp), 1)) |
| 4687 | 155 return false; |
| 156 scalar = (tmp ? 1 : 0); | |
| 157 return true; | |
| 158 } | |
| 159 | |
| 160 #if defined (HAVE_HDF5) | |
| 4944 | 161 |
| 4687 | 162 bool |
| 163 octave_bool::save_hdf5 (hid_t loc_id, const char *name, | |
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164 bool /* save_as_floats */) |
| 4687 | 165 { |
| 166 hsize_t dimens[3]; | |
| 167 hid_t space_hid = -1, data_hid = -1; | |
| 168 bool retval = true; | |
| 169 | |
| 4815 | 170 space_hid = H5Screate_simple (0, dimens, 0); |
| 4687 | 171 if (space_hid < 0) return false; |
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172 #if HAVE_HDF5_18 |
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173 data_hid = H5Dcreate (loc_id, name, H5T_NATIVE_DOUBLE, space_hid, |
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174 H5P_DEFAULT, H5P_DEFAULT, H5P_DEFAULT); |
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175 #else |
| 4687 | 176 data_hid = H5Dcreate (loc_id, name, H5T_NATIVE_DOUBLE, space_hid, |
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177 H5P_DEFAULT); |
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178 #endif |
| 4687 | 179 if (data_hid < 0) |
| 180 { | |
| 181 H5Sclose (space_hid); | |
| 182 return false; | |
| 183 } | |
| 184 | |
| 185 double tmp = double_value (); | |
| 186 retval = H5Dwrite (data_hid, H5T_NATIVE_DOUBLE, H5S_ALL, H5S_ALL, | |
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187 H5P_DEFAULT, &tmp) >= 0; |
| 4687 | 188 |
| 189 H5Dclose (data_hid); | |
| 190 H5Sclose (space_hid); | |
| 4837 | 191 |
| 4687 | 192 return retval; |
| 193 } | |
| 194 | |
| 195 bool | |
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196 octave_bool::load_hdf5 (hid_t loc_id, const char *name) |
| 4687 | 197 { |
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198 #if HAVE_HDF5_18 |
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199 hid_t data_hid = H5Dopen (loc_id, name, H5P_DEFAULT); |
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200 #else |
| 4687 | 201 hid_t data_hid = H5Dopen (loc_id, name); |
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202 #endif |
| 4687 | 203 hid_t space_id = H5Dget_space (data_hid); |
| 204 | |
| 205 hsize_t rank = H5Sget_simple_extent_ndims (space_id); | |
| 206 | |
| 207 if (rank != 0) | |
| 208 { | |
| 209 H5Dclose (data_hid); | |
| 210 return false; | |
| 211 } | |
| 212 | |
| 213 double dtmp; | |
| 214 if (H5Dread (data_hid, H5T_NATIVE_DOUBLE, H5S_ALL, H5S_ALL, | |
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215 H5P_DEFAULT, &dtmp) < 0) |
| 4687 | 216 { |
| 217 H5Dclose (data_hid); | |
| 218 return false; | |
| 219 } | |
| 220 | |
| 221 scalar = (dtmp != 0.); | |
| 4837 | 222 |
| 4687 | 223 H5Dclose (data_hid); |
| 4837 | 224 |
| 4687 | 225 return true; |
| 226 } | |
| 4944 | 227 |
| 4687 | 228 #endif |
| 229 | |
| 5900 | 230 mxArray * |
| 231 octave_bool::as_mxArray (void) const | |
| 232 { | |
| 233 mxArray *retval = new mxArray (mxLOGICAL_CLASS, 1, 1, mxREAL); | |
| 234 | |
| 235 bool *pr = static_cast<bool *> (retval->get_data ()); | |
| 236 | |
| 237 pr[0] = scalar; | |
| 238 | |
| 239 return retval; | |
| 240 } |