1 /* 2 Copyright (c) 2008, 2010 by Attractive Chaos <attractor@live.co.uk> 3 4 Permission is hereby granted, free of charge, to any person obtaining 5 a copy of this software and associated documentation files (the 6 "Software"), to deal in the Software without restriction, including 7 without limitation the rights to use, copy, modify, merge, publish, 8 distribute, sublicense, and/or sell copies of the Software, and to 9 permit persons to whom the Software is furnished to do so, subject to 10 the following conditions: 11 12 The above copyright notice and this permission notice shall be 13 included in all copies or substantial portions of the Software. 14 15 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 16 EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 17 MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND 18 NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS 19 BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN 20 ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN 21 CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 22 SOFTWARE. 23 */ 24 25 #ifndef KMIN_H 26 #define KMIN_H 27 28 #define KMIN_RADIUS 0.5 29 #define KMIN_EPS 1e-7 30 #define KMIN_MAXCALL 50000 31 32 typedef double (*kmin_f)(int, double*, void*); 33 typedef double (*kmin1_f)(double, void*); 34 35 #ifdef __cplusplus 36 extern "C" { 37 #endif 38 39 double kmin_hj(kmin_f func, int n, double *x, void *data, double r, double eps, int max_calls); 40 double kmin_brent(kmin1_f func, double a, double b, void *data, double tol, double *xmin); 41 42 #ifdef __cplusplus 43 } 44 #endif 45 46 #endif 47