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annotate libinterp/octave-value/ov-float.cc @ 21231:5f318c8ec634

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eliminate feature tests from lo-specfun.h * lo-specfun.h, lo-specfun.cc (xacosh, xasinh, xatanh, xerf, xerfc xexpm1, xlog1p, xcbrt): Rename to have 'x' prefix. Conditionally define in .cc file. Change all uses Move complex versions of acosh, asinh, and atanh functions here.
author John W. Eaton <jwe@octave.org>
date Tue, 09 Feb 2016 04:15:50 -0500
parents 2cf8bc5c7017
children 40de9f8f23a6
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1 /*
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2
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4197fc428c7d maint: Update copyright notices for 2015.
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3 Copyright (C) 1996-2015 John W. Eaton
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4
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5 This file is part of Octave.
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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 the
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9 Free Software Foundation; either version 3 of the License, or (at your
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10 option) any later version.
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11
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12 Octave is distributed in the hope that it will be useful, but WITHOUT
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13 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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15 for more details.
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16
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17 You should have received a copy of the GNU General Public License
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18 along with Octave; see the file COPYING. If not, see
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19 <http://www.gnu.org/licenses/>.
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20
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21 */
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22
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23 #ifdef HAVE_CONFIG_H
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24 # include <config.h>
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25 #endif
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26
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27 #include <iostream>
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28
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29 #include "data-conv.h"
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30 #include "mach-info.h"
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31 #include "lo-specfun.h"
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32 #include "lo-mappers.h"
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33
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34 #include "defun.h"
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35 #include "errwarn.h"
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36 #include "mxarray.h"
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37 #include "ovl.h"
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38 #include "oct-hdf5.h"
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39 #include "oct-stream.h"
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40 #include "ov-scalar.h"
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41 #include "ov-float.h"
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42 #include "ov-base.h"
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43 #include "ov-base-scalar.h"
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44 #include "ov-base-scalar.cc"
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45 #include "ov-flt-re-mat.h"
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46 #include "ov-typeinfo.h"
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47 #include "pr-output.h"
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48 #include "xdiv.h"
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49 #include "xpow.h"
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50 #include "ops.h"
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51
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52 #include "ls-oct-text.h"
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53 #include "ls-hdf5.h"
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54
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55 template class octave_base_scalar<float>;
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56
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57
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58 DEFINE_OV_TYPEID_FUNCTIONS_AND_DATA (octave_float_scalar, "float scalar",
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59 "single");
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60
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61 octave_value
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62 octave_float_scalar::do_index_op (const octave_value_list& idx, bool resize_ok)
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63 {
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64 // FIXME: this doesn't solve the problem of
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65 //
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66 // a = 1; a([1,1], [1,1], [1,1])
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67 //
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68 // and similar constructions. Hmm...
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69
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70 // FIXME: using this constructor avoids narrowing the
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71 // 1x1 matrix back to a scalar value. Need a better solution
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72 // to this problem.
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73
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74 octave_value tmp (new octave_float_matrix (float_matrix_value ()));
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75
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76 return tmp.do_index_op (idx, resize_ok);
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77 }
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78
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79 octave_value
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80 octave_float_scalar::resize (const dim_vector& dv, bool fill) const
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81 {
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82 if (fill)
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83 {
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84 FloatNDArray retval (dv, 0);
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85
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86 if (dv.numel ())
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87 retval(0) = scalar;
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88
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89 return retval;
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90 }
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91 else
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92 {
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93 FloatNDArray retval (dv);
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94
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95 if (dv.numel ())
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96 retval(0) = scalar;
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97
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98 return retval;
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99 }
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100 }
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101
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102 octave_value
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103 octave_float_scalar::diag (octave_idx_type m, octave_idx_type n) const
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104 {
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105 return FloatDiagMatrix (Array<float> (dim_vector (1, 1), scalar), m, n);
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106 }
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107
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108 octave_value
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109 octave_float_scalar::convert_to_str_internal (bool, bool, char type) const
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110 {
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111 octave_value retval;
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112
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113 if (xisnan (scalar))
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114 err_nan_to_character_conversion ();
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115
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116 int ival = NINT (scalar);
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117
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118 if (ival < 0 || ival > std::numeric_limits<unsigned char>::max ())
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119 {
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120 // FIXME: is there something better we could do?
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121
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122 ival = 0;
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123
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124 ::warning ("range error for conversion to character value");
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125 }
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126
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127 retval = octave_value (std::string (1, static_cast<char> (ival)), type);
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128
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129 return retval;
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130 }
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131
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132 bool
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133 octave_float_scalar::save_ascii (std::ostream& os)
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134 {
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135 float d = float_value ();
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136
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137 octave_write_float (os, d);
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138
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139 os << "\n";
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140
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141 return true;
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142 }
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143
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144 bool
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145 octave_float_scalar::load_ascii (std::istream& is)
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146 {
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147 scalar = octave_read_value<float> (is);
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148 if (! is)
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149 error ("load: failed to load scalar constant");
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150
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151 return true;
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152 }
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153
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154 bool
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155 octave_float_scalar::save_binary (std::ostream& os, bool& /* save_as_floats */)
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156 {
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157 char tmp = LS_FLOAT;
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158 os.write (reinterpret_cast<char *> (&tmp), 1);
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159 float dtmp = float_value ();
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160 os.write (reinterpret_cast<char *> (&dtmp), 4);
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161
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162 return true;
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163 }
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164
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165 bool
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166 octave_float_scalar::load_binary (std::istream& is, bool swap,
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167 oct_mach_info::float_format fmt)
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168 {
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169 char tmp;
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170 if (! is.read (reinterpret_cast<char *> (&tmp), 1))
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171 return false;
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172
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173 float dtmp;
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174 read_floats (is, &dtmp, static_cast<save_type> (tmp), 1, swap, fmt);
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175
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176 if (! is)
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177 return false;
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178
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179 scalar = dtmp;
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180 return true;
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181 }
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182
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183 bool
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184 octave_float_scalar::save_hdf5 (octave_hdf5_id loc_id, const char *name,
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185 bool /* save_as_floats */)
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186 {
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187 bool retval = false;
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188
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189 #if defined (HAVE_HDF5)
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190
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191 hsize_t dimens[3];
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192 hid_t space_hid, data_hid;
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193 space_hid = data_hid = -1;
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194
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195 space_hid = H5Screate_simple (0, dimens, 0);
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196 if (space_hid < 0) return false;
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197 #if defined (HAVE_HDF5_18)
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198 data_hid = H5Dcreate (loc_id, name, H5T_NATIVE_FLOAT, space_hid,
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199 octave_H5P_DEFAULT, octave_H5P_DEFAULT, octave_H5P_DEFAULT);
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200 #else
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201 data_hid = H5Dcreate (loc_id, name, H5T_NATIVE_FLOAT, space_hid,
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202 octave_H5P_DEFAULT);
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203 #endif
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204 if (data_hid < 0)
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205 {
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206 H5Sclose (space_hid);
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207 return false;
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208 }
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209
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210 float tmp = float_value ();
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211 retval = H5Dwrite (data_hid, H5T_NATIVE_FLOAT, octave_H5S_ALL, octave_H5S_ALL,
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212 octave_H5P_DEFAULT, &tmp) >= 0;
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213
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214 H5Dclose (data_hid);
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215 H5Sclose (space_hid);
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216
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217 #else
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218 warn_save ("hdf5");
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219 #endif
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220
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221 return retval;
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222 }
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223
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224 bool
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225 octave_float_scalar::load_hdf5 (octave_hdf5_id loc_id, const char *name)
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226 {
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227 #if defined (HAVE_HDF5)
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228
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229 #if defined (HAVE_HDF5_18)
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230 hid_t data_hid = H5Dopen (loc_id, name, octave_H5P_DEFAULT);
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231 #else
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232 hid_t data_hid = H5Dopen (loc_id, name);
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233 #endif
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234 hid_t space_id = H5Dget_space (data_hid);
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235
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236 hsize_t rank = H5Sget_simple_extent_ndims (space_id);
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237
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238 if (rank != 0)
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239 {
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240 H5Dclose (data_hid);
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241 return false;
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242 }
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243
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244 float dtmp;
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245 if (H5Dread (data_hid, H5T_NATIVE_FLOAT, octave_H5S_ALL, octave_H5S_ALL,
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246 octave_H5P_DEFAULT, &dtmp) < 0)
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247 {
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248 H5Dclose (data_hid);
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249 return false;
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250 }
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251
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252 scalar = dtmp;
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253
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254 H5Dclose (data_hid);
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255
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256 return true;
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257
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258 #else
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259 warn_load ("hdf5");
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260 return false;
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261 #endif
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262 }
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263
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264 mxArray *
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265 octave_float_scalar::as_mxArray (void) const
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266 {
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267 mxArray *retval = new mxArray (mxSINGLE_CLASS, 1, 1, mxREAL);
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268
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269 float *pr = static_cast<float *> (retval->get_data ());
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270
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271 pr[0] = scalar;
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272
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273 return retval;
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274 }
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275
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276 octave_value
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277 octave_float_scalar::map (unary_mapper_t umap) const
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278 {
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279 switch (umap)
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280 {
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281 case umap_imag:
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282 return 0.0f;
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283
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284 case umap_real:
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285 case umap_conj:
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286 return scalar;
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287
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288 #define SCALAR_MAPPER(UMAP, FCN) \
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289 case umap_ ## UMAP: \
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290 return octave_value (FCN (scalar))
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291
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292 SCALAR_MAPPER (abs, ::fabsf);
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293 SCALAR_MAPPER (acos, rc_acos);
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294 SCALAR_MAPPER (acosh, rc_acosh);
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295 SCALAR_MAPPER (angle, ::arg);
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296 SCALAR_MAPPER (arg, ::arg);
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297 SCALAR_MAPPER (asin, rc_asin);
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298 SCALAR_MAPPER (asinh, xasinh);
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299 SCALAR_MAPPER (atan, ::atanf);
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300 SCALAR_MAPPER (atanh, rc_atanh);
21231
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parents: 21211
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301 SCALAR_MAPPER (erf, xerf);
9835
1bb1ed717d2f implement built-in erfinv
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parents: 9812
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302 SCALAR_MAPPER (erfinv, ::erfinv);
14770
cb85e836d035 New function: erfcinv (bug #36607)
Axel Mathéi <axel.mathei@gmail.com>
parents: 14616
diff changeset
303 SCALAR_MAPPER (erfcinv, ::erfcinv);
21231
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304 SCALAR_MAPPER (erfc, xerfc);
10391
59e34bcdff13 implement built-in erfcx
Jaroslav Hajek <highegg@gmail.com>
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diff changeset
305 SCALAR_MAPPER (erfcx, ::erfcx);
15696
2fac72a256ce Add complex erf,erfc,erfcx,erfi,dawson routines from Faddeeva package.
Steven G. Johnson <stevenj@alum.mit.edu>
parents: 15487
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306 SCALAR_MAPPER (erfi, ::erfi);
2fac72a256ce Add complex erf,erfc,erfcx,erfi,dawson routines from Faddeeva package.
Steven G. Johnson <stevenj@alum.mit.edu>
parents: 15487
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307 SCALAR_MAPPER (dawson, ::dawson);
9812
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308 SCALAR_MAPPER (gamma, xgamma);
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309 SCALAR_MAPPER (lgamma, rc_lgamma);
21231
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310 SCALAR_MAPPER (cbrt, xcbrt);
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311 SCALAR_MAPPER (ceil, ::ceilf);
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312 SCALAR_MAPPER (cos, ::cosf);
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313 SCALAR_MAPPER (cosh, ::coshf);
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314 SCALAR_MAPPER (exp, ::expf);
21231
5f318c8ec634 eliminate feature tests from lo-specfun.h
John W. Eaton <jwe@octave.org>
parents: 21211
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315 SCALAR_MAPPER (expm1, xexpm1);
9812
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316 SCALAR_MAPPER (fix, ::fix);
16301
d39342a19fb8 * ov-float.cc (SCALAR_MAPPER): Use gnulib::floorf.
John W. Eaton <jwe@octave.org>
parents: 15696
diff changeset
317 SCALAR_MAPPER (floor, gnulib::floorf);
9812
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318 SCALAR_MAPPER (log, rc_log);
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319 SCALAR_MAPPER (log2, rc_log2);
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320 SCALAR_MAPPER (log10, rc_log10);
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321 SCALAR_MAPPER (log1p, rc_log1p);
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diff changeset
322 SCALAR_MAPPER (round, xround);
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diff changeset
323 SCALAR_MAPPER (roundb, xroundb);
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diff changeset
324 SCALAR_MAPPER (signum, ::signum);
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diff changeset
325 SCALAR_MAPPER (sin, ::sinf);
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diff changeset
326 SCALAR_MAPPER (sinh, ::sinhf);
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diff changeset
327 SCALAR_MAPPER (sqrt, rc_sqrt);
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diff changeset
328 SCALAR_MAPPER (tan, ::tanf);
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diff changeset
329 SCALAR_MAPPER (tanh, ::tanhf);
21013
7f4c6d594e3d Finish renaming mapper function finite to isfinite.
Rik <rik@octave.org>
parents: 20940
diff changeset
330 SCALAR_MAPPER (isfinite, xfinite);
9812
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diff changeset
331 SCALAR_MAPPER (isinf, xisinf);
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parents: 9470
diff changeset
332 SCALAR_MAPPER (isna, octave_is_NA);
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parents: 9470
diff changeset
333 SCALAR_MAPPER (isnan, xisnan);
15487
ecf5be238b4a provide signbit mapper for real values
John W. Eaton <jwe@octave.org>
parents: 15215
diff changeset
334 SCALAR_MAPPER (xsignbit, xsignbit);
9812
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parents: 9470
diff changeset
335
18196
1b6db9303933 allow toupper and tolower to handle numeric values (bug #33537)
John W. Eaton <jwe@octave.org>
parents: 18100
diff changeset
336 // Special cases for Matlab compatibility.
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John W. Eaton <jwe@octave.org>
parents: 18100
diff changeset
337 case umap_xtolower:
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John W. Eaton <jwe@octave.org>
parents: 18100
diff changeset
338 case umap_xtoupper:
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John W. Eaton <jwe@octave.org>
parents: 18100
diff changeset
339 return scalar;
1b6db9303933 allow toupper and tolower to handle numeric values (bug #33537)
John W. Eaton <jwe@octave.org>
parents: 18100
diff changeset
340
18197
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John W. Eaton <jwe@octave.org>
parents: 18196
diff changeset
341 case umap_xisalnum:
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John W. Eaton <jwe@octave.org>
parents: 18196
diff changeset
342 case umap_xisalpha:
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John W. Eaton <jwe@octave.org>
parents: 18196
diff changeset
343 case umap_xisascii:
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John W. Eaton <jwe@octave.org>
parents: 18196
diff changeset
344 case umap_xiscntrl:
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John W. Eaton <jwe@octave.org>
parents: 18196
diff changeset
345 case umap_xisdigit:
0d5721873d6b avoid some tests that rely on ordering of enum values
John W. Eaton <jwe@octave.org>
parents: 18196
diff changeset
346 case umap_xisgraph:
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John W. Eaton <jwe@octave.org>
parents: 18196
diff changeset
347 case umap_xislower:
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John W. Eaton <jwe@octave.org>
parents: 18196
diff changeset
348 case umap_xisprint:
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John W. Eaton <jwe@octave.org>
parents: 18196
diff changeset
349 case umap_xispunct:
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John W. Eaton <jwe@octave.org>
parents: 18196
diff changeset
350 case umap_xisspace:
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John W. Eaton <jwe@octave.org>
parents: 18196
diff changeset
351 case umap_xisupper:
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John W. Eaton <jwe@octave.org>
parents: 18196
diff changeset
352 case umap_xisxdigit:
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John W. Eaton <jwe@octave.org>
parents: 18196
diff changeset
353 case umap_xtoascii:
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John W. Eaton <jwe@octave.org>
parents: 18196
diff changeset
354 {
0d5721873d6b avoid some tests that rely on ordering of enum values
John W. Eaton <jwe@octave.org>
parents: 18196
diff changeset
355 octave_value str_conv = convert_to_str (true, true);
20555
f90c8372b7ba eliminate many more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents: 20447
diff changeset
356 return str_conv.map (umap);
18197
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John W. Eaton <jwe@octave.org>
parents: 18196
diff changeset
357 }
0d5721873d6b avoid some tests that rely on ordering of enum values
John W. Eaton <jwe@octave.org>
parents: 18196
diff changeset
358
9812
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diff changeset
359 default:
19861
19755f4fc851 maint: Cleanup C++ code to follow Octave coding conventions.
Rik <rik@octave.org>
parents: 19697
diff changeset
360 return octave_base_value::map (umap);
9812
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diff changeset
361 }
f80c566bc751 improve unary mapper system
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diff changeset
362 }
10670
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Jaroslav Hajek <highegg@gmail.com>
parents: 10414
diff changeset
363
654fbde5dceb make cellfun's fast scalar collection mechanism public
Jaroslav Hajek <highegg@gmail.com>
parents: 10414
diff changeset
364 bool
17787
175b392e91fe Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents: 17744
diff changeset
365 octave_float_scalar::fast_elem_insert_self (void *where,
175b392e91fe Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents: 17744
diff changeset
366 builtin_type_t btyp) const
10670
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Jaroslav Hajek <highegg@gmail.com>
parents: 10414
diff changeset
367 {
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parents: 10414
diff changeset
368
654fbde5dceb make cellfun's fast scalar collection mechanism public
Jaroslav Hajek <highegg@gmail.com>
parents: 10414
diff changeset
369 // Support inline real->complex conversion.
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parents: 10414
diff changeset
370 if (btyp == btyp_float)
654fbde5dceb make cellfun's fast scalar collection mechanism public
Jaroslav Hajek <highegg@gmail.com>
parents: 10414
diff changeset
371 {
654fbde5dceb make cellfun's fast scalar collection mechanism public
Jaroslav Hajek <highegg@gmail.com>
parents: 10414
diff changeset
372 *(reinterpret_cast<float *>(where)) = scalar;
654fbde5dceb make cellfun's fast scalar collection mechanism public
Jaroslav Hajek <highegg@gmail.com>
parents: 10414
diff changeset
373 return true;
654fbde5dceb make cellfun's fast scalar collection mechanism public
Jaroslav Hajek <highegg@gmail.com>
parents: 10414
diff changeset
374 }
654fbde5dceb make cellfun's fast scalar collection mechanism public
Jaroslav Hajek <highegg@gmail.com>
parents: 10414
diff changeset
375 else if (btyp == btyp_float_complex)
654fbde5dceb make cellfun's fast scalar collection mechanism public
Jaroslav Hajek <highegg@gmail.com>
parents: 10414
diff changeset
376 {
654fbde5dceb make cellfun's fast scalar collection mechanism public
Jaroslav Hajek <highegg@gmail.com>
parents: 10414
diff changeset
377 *(reinterpret_cast<FloatComplex *>(where)) = scalar;
654fbde5dceb make cellfun's fast scalar collection mechanism public
Jaroslav Hajek <highegg@gmail.com>
parents: 10414
diff changeset
378 return true;
654fbde5dceb make cellfun's fast scalar collection mechanism public
Jaroslav Hajek <highegg@gmail.com>
parents: 10414
diff changeset
379 }
654fbde5dceb make cellfun's fast scalar collection mechanism public
Jaroslav Hajek <highegg@gmail.com>
parents: 10414
diff changeset
380 else
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Jaroslav Hajek <highegg@gmail.com>
parents: 10414
diff changeset
381 return false;
654fbde5dceb make cellfun's fast scalar collection mechanism public
Jaroslav Hajek <highegg@gmail.com>
parents: 10414
diff changeset
382 }