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1 /*
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2 Copyright (c) 2008, 2010 by Attractive Chaos <attractor@live.co.uk>
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3
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4 Permission is hereby granted, free of charge, to any person obtaining
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5 a copy of this software and associated documentation files (the
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6 "Software"), to deal in the Software without restriction, including
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7 without limitation the rights to use, copy, modify, merge, publish,
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8 distribute, sublicense, and/or sell copies of the Software, and to
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9 permit persons to whom the Software is furnished to do so, subject to
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10 the following conditions:
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11
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12 The above copyright notice and this permission notice shall be
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13 included in all copies or substantial portions of the Software.
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14
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15 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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16 EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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17 MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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18 NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
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19 BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
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20 ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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21 CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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22 SOFTWARE.
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23 */
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24
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25 #ifndef KMIN_H
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26 #define KMIN_H
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27
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28 #define KMIN_RADIUS 0.5
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29 #define KMIN_EPS 1e-7
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30 #define KMIN_MAXCALL 50000
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31
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32 typedef double (*kmin_f)(int, double*, void*);
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33 typedef double (*kmin1_f)(double, void*);
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34
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35 #ifdef __cplusplus
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36 extern "C" {
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37 #endif
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38
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39 double kmin_hj(kmin_f func, int n, double *x, void *data, double r, double eps, int max_calls);
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40 double kmin_brent(kmin1_f func, double a, double b, void *data, double tol, double *xmin);
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41
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42 #ifdef __cplusplus
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43 }
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44 #endif
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45
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46 #endif
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