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1 # Copyright (C) 1993, 1994 John W. Eaton |
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245
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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 the |
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7 # Free Software Foundation; either version 2, or (at your option) any |
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8 # later version. |
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9 # |
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10 # Octave is distributed in the hope that it will be useful, but WITHOUT |
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11 # ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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12 # FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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13 # 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, 675 Mass Ave, Cambridge, MA 02139, USA. |
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18 |
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4
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19 function retval = rem (x, y) |
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20 |
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21 # usage: rem (x, y) |
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22 # |
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23 # Return remainder (x, y). |
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24 |
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25 if (nargin != 2) |
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26 error ("usage: rem (x, y)"); |
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27 endif |
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28 |
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447
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29 if (any (size (x) != size (y)) && ! (is_scalar (x) || is_scalar (y))) |
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30 error ("rem: argument sizes must agree"); |
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4
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31 endif |
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32 |
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33 # Matlab allows complex arguments, but as far as I can tell, that's a |
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34 # bunch of hooey. |
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35 |
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36 if (any (any (imag (x))) || any (any (imag (y)))) |
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37 error ("rem: complex arguments are not allowed"); |
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38 endif |
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39 |
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40 if (nargin == 2) |
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41 retval = x - y .* fix (x ./ y); |
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42 else |
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43 error ("usage: rem (x, y)"); |
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44 endif |
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45 |
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46 endfunction |
