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1 ## Copyright (C) 1996 John W. Eaton |
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2 ## |
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3 ## This file is part of Octave. |
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4 ## |
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5 ## Octave is free software; you can redistribute it and/or modify it |
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6 ## under the terms of the GNU General Public License as published by |
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7 ## the Free Software Foundation; either version 2, or (at your option) |
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8 ## any later version. |
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9 ## |
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10 ## Octave is distributed in the hope that it will be useful, but |
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11 ## WITHOUT ANY WARRANTY; without even the implied warranty of |
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12 ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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13 ## General Public License for more details. |
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14 ## |
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15 ## You should have received a copy of the GNU General Public License |
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16 ## along with Octave; see the file COPYING. If not, write to the Free |
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17 ## Software Foundation, 59 Temple Place - Suite 330, Boston, MA |
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18 ## 02111-1307, USA. |
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245
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19 |
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2311
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20 ## usage: rem (x, y) |
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21 ## |
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22 ## Return remainder (x, y). |
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23 |
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2311
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24 function retval = rem (x, y) |
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4
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25 |
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26 if (nargin != 2) |
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904
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27 usage ("rem (x, y)"); |
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4
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28 endif |
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29 |
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447
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30 if (any (size (x) != size (y)) && ! (is_scalar (x) || is_scalar (y))) |
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31 error ("rem: argument sizes must agree"); |
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4
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32 endif |
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33 |
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2303
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34 ## Matlab allows complex arguments, but as far as I can tell, that's a |
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35 ## bunch of hooey. |
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4
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36 |
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37 if (any (any (imag (x))) || any (any (imag (y)))) |
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38 error ("rem: complex arguments are not allowed"); |
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39 endif |
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40 |
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41 if (nargin == 2) |
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42 retval = x - y .* fix (x ./ y); |
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43 else |
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44 error ("usage: rem (x, y)"); |
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45 endif |
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46 |
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47 endfunction |
