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1 /* |
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2 |
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3 Copyright (C) 2003, 2005, 2007 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 "data-conv.h" |
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28 |
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29 #include "ls-utils.h" |
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30 |
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31 // MAX_VAL and MIN_VAL are assumed to have integral values even though |
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32 // they are stored in doubles. |
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33 |
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34 save_type |
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35 get_save_type (double /* max_val */, double /* min_val */) |
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36 { |
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37 save_type st = LS_DOUBLE; |
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38 |
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39 // Matlab doesn't seem to load the UINT32 type correctly, so let's |
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40 // avoid it (and the other unsigned types, even though they may not |
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41 // have the same problem. And apparently, there are problems with |
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42 // other smaller types as well. If we avoid them all, then maybe we |
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43 // will avoid problems. Unfortunately, we won't be able to save |
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44 // space... |
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45 |
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46 // if (max_val < 256 && min_val > -1) |
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47 // st = LS_U_CHAR; |
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48 // else if (max_val < 65536 && min_val > -1) |
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49 // st = LS_U_SHORT; |
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50 // else if (max_val < 4294967295UL && min_val > -1) |
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51 // st = LS_U_INT; |
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52 // else if (max_val < 128 && min_val >= -128) |
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53 // st = LS_CHAR; |
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54 // else if (max_val < 32768 && min_val >= -32768) |
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55 // st = LS_SHORT; |
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56 // else if (max_val <= 2147483647L && min_val >= -2147483647L) |
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57 // st = LS_INT; |
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58 |
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59 return st; |
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60 } |
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61 |
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62 /* |
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63 ;;; Local Variables: *** |
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64 ;;; mode: C++ *** |
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65 ;;; End: *** |
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66 */ |