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C++ nlopt_opt类代码示例

原作者: [db:作者] 来自: [db:来源] 收藏 邀请

本文整理汇总了C++中nlopt_opt的典型用法代码示例。如果您正苦于以下问题:C++ nlopt_opt类的具体用法?C++ nlopt_opt怎么用?C++ nlopt_opt使用的例子?那么恭喜您, 这里精选的类代码示例或许可以为您提供帮助。



在下文中一共展示了nlopt_opt类的7个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于我们的系统推荐出更棒的C++代码示例。

示例1: nlopt_add_inequality_mconstraint

nlopt_result
NLOPT_STDCALL nlopt_add_inequality_mconstraint(nlopt_opt opt, unsigned m,
					       nlopt_mfunc fc, void *fc_data,
					       const double *tol)
{
     nlopt_result ret;
     if (!m) { /* empty constraints are always ok */
	  if (opt && opt->munge_on_destroy) opt->munge_on_destroy(fc_data);
	  return NLOPT_SUCCESS;
     }
     if (!opt || !inequality_ok(opt->algorithm)) ret = NLOPT_INVALID_ARGS;
     else ret = add_constraint(&opt->m, &opt->m_alloc, &opt->fc,
			       m, NULL, fc, NULL, fc_data, tol);
     if (ret < 0 && opt && opt->munge_on_destroy)
	  opt->munge_on_destroy(fc_data);
     return ret;
}
开发者ID:fw1121,项目名称:Pandoras-Toolbox-for-Bioinformatics,代码行数:17,代码来源:options.c


示例2: nlopt_add_inequality_constraint

nlopt_result
NLOPT_STDCALL nlopt_add_inequality_constraint(nlopt_opt opt,
					      nlopt_func fc, void *fc_data,
					      double tol)
{
     nlopt_result ret;
     if (!opt || !inequality_ok(opt->algorithm)) ret = NLOPT_INVALID_ARGS;
     else ret = add_constraint(&opt->m, &opt->m_alloc, &opt->fc,
			       1, fc, NULL, fc_data, &tol);
     if (ret < 0 && opt && opt->munge_on_destroy)
	  opt->munge_on_destroy(fc_data);
     return ret;
}
开发者ID:NoviaDroid,项目名称:MarioDifficulty,代码行数:13,代码来源:options.c


示例3: nlopt_set_max_objective

nlopt_result NLOPT_STDCALL nlopt_set_max_objective(nlopt_opt opt, 
						   nlopt_func f, void *f_data)
{
     if (opt) {
	  if (opt->munge_on_destroy) opt->munge_on_destroy(opt->f_data);
	  opt->f = f; opt->f_data = f_data;
	  opt->maximize = 1;
	  if (nlopt_isinf(opt->stopval) && opt->stopval < 0)
	       opt->stopval = +HUGE_VAL; /* switch default from min to max */
	  return NLOPT_SUCCESS;
     }
     return NLOPT_INVALID_ARGS;
}
开发者ID:NoviaDroid,项目名称:MarioDifficulty,代码行数:13,代码来源:options.c


示例4: nlopt_set_precond_min_objective

nlopt_result NLOPT_STDCALL nlopt_set_precond_min_objective(nlopt_opt opt,
							   nlopt_func f, 
							   nlopt_precond pre,
							   void *f_data)
{
     if (opt) {
	  if (opt->munge_on_destroy) opt->munge_on_destroy(opt->f_data);
	  opt->f = f; opt->f_data = f_data; opt->pre = pre;
	  opt->maximize = 0;
	  if (nlopt_isinf(opt->stopval) && opt->stopval > 0)
	       opt->stopval = -HUGE_VAL; /* switch default from max to min */
	  return NLOPT_SUCCESS;
     }
     return NLOPT_INVALID_ARGS;
}
开发者ID:fw1121,项目名称:Pandoras-Toolbox-for-Bioinformatics,代码行数:15,代码来源:options.c


示例5: nlopt_add_precond_equality_constraint

nlopt_result
NLOPT_STDCALL nlopt_add_precond_equality_constraint(nlopt_opt opt,
						    nlopt_func fc,
						    nlopt_precond pre,
						    void *fc_data,
						    double tol)
{
     nlopt_result ret;
     if (!opt || !equality_ok(opt->algorithm)
	 || nlopt_count_constraints(opt->p, opt->h) + 1 > opt->n)
	  ret = NLOPT_INVALID_ARGS;
     else ret = add_constraint(&opt->p, &opt->p_alloc, &opt->h,
			       1, fc, NULL, pre, fc_data, &tol);
     if (ret < 0 && opt && opt->munge_on_destroy)
	  opt->munge_on_destroy(fc_data);
     return ret;
}
开发者ID:fw1121,项目名称:Pandoras-Toolbox-for-Bioinformatics,代码行数:17,代码来源:options.c


示例6: nlopt_optimize_

/* unlike nlopt_optimize() below, only handles minimization case */
static nlopt_result nlopt_optimize_(nlopt_opt opt, double *x, double *minf)
{
     const double *lb, *ub;
     nlopt_algorithm algorithm;
     nlopt_func f; void *f_data;
     unsigned n, i;
     int ni;
     nlopt_stopping stop;

     if (!opt || !x || !minf || !opt->f
	 || opt->maximize) return NLOPT_INVALID_ARGS;

     /* reset stopping flag */
     nlopt_set_force_stop(opt, 0);
     opt->force_stop_child = NULL;
     
     /* copy a few params to local vars for convenience */
     n = opt->n;
     ni = (int) n; /* most of the subroutines take "int" arg */
     lb = opt->lb; ub = opt->ub;
     algorithm = opt->algorithm;
     f = opt->f; f_data = opt->f_data;

     if (n == 0) { /* trivial case: no degrees of freedom */
	  *minf = opt->f(n, x, NULL, opt->f_data);
	  return NLOPT_SUCCESS;
     }

     *minf = HUGE_VAL;
     
     /* make sure rand generator is inited */
     nlopt_srand_time_default(); /* default is non-deterministic */

     /* check bound constraints */
     for (i = 0; i < n; ++i)
	  if (lb[i] > ub[i] || x[i] < lb[i] || x[i] > ub[i])
	       return NLOPT_INVALID_ARGS;

     stop.n = n;
     stop.minf_max = opt->stopval;
     stop.ftol_rel = opt->ftol_rel;
     stop.ftol_abs = opt->ftol_abs;
     stop.xtol_rel = opt->xtol_rel;
     stop.xtol_abs = opt->xtol_abs;
     stop.nevals = 0;
     stop.maxeval = opt->maxeval;
     stop.maxtime = opt->maxtime;
     stop.start = nlopt_seconds();
     stop.force_stop = &(opt->force_stop);

     switch (algorithm) {
	 case NLOPT_GN_DIRECT:
	 case NLOPT_GN_DIRECT_L: 
	 case NLOPT_GN_DIRECT_L_RAND: 
	      if (!finite_domain(n, lb, ub)) return NLOPT_INVALID_ARGS;
	      return cdirect(ni, f, f_data, 
			     lb, ub, x, minf, &stop, 0.0, 
			     (algorithm != NLOPT_GN_DIRECT)
			     + 3 * (algorithm == NLOPT_GN_DIRECT_L_RAND 
				    ? 2 : (algorithm != NLOPT_GN_DIRECT))
			     + 9 * (algorithm == NLOPT_GN_DIRECT_L_RAND 
				    ? 1 : (algorithm != NLOPT_GN_DIRECT)));
	      
	 case NLOPT_GN_DIRECT_NOSCAL:
	 case NLOPT_GN_DIRECT_L_NOSCAL: 
	 case NLOPT_GN_DIRECT_L_RAND_NOSCAL: 
	      if (!finite_domain(n, lb, ub)) return NLOPT_INVALID_ARGS;
	      return cdirect_unscaled(ni, f, f_data, lb, ub, x, minf, 
				      &stop, 0.0, 
				      (algorithm != NLOPT_GN_DIRECT)
				      + 3 * (algorithm == NLOPT_GN_DIRECT_L_RAND ? 2 : (algorithm != NLOPT_GN_DIRECT))
				      + 9 * (algorithm == NLOPT_GN_DIRECT_L_RAND ? 1 : (algorithm != NLOPT_GN_DIRECT)));
	      
	 case NLOPT_GN_ORIG_DIRECT:
	 case NLOPT_GN_ORIG_DIRECT_L: {
	      direct_return_code dret;
	      if (!finite_domain(n, lb, ub)) return NLOPT_INVALID_ARGS;
	      opt->work = malloc(sizeof(double) *
				 nlopt_max_constraint_dim(opt->m,
							  opt->fc));
	      if (!opt->work) return NLOPT_OUT_OF_MEMORY;
	      dret = direct_optimize(f_direct, opt, ni, lb, ub, x, minf,
				     stop.maxeval, -1,
				     stop.start, stop.maxtime,
				     0.0, 0.0,
				     pow(stop.xtol_rel, (double) n), -1.0,
				     stop.force_stop,
				     stop.minf_max, 0.0,
				     NULL, 
				     algorithm == NLOPT_GN_ORIG_DIRECT
				     ? DIRECT_ORIGINAL
				     : DIRECT_GABLONSKY);
	      free(opt->work); opt->work = NULL;
	      switch (dret) {
		  case DIRECT_INVALID_BOUNDS:
		  case DIRECT_MAXFEVAL_TOOBIG:
		  case DIRECT_INVALID_ARGS:
		       return NLOPT_INVALID_ARGS;
		  case DIRECT_INIT_FAILED:
//.........这里部分代码省略.........
开发者ID:tusharuiit,项目名称:2014-2015_HiwiMedicalXTTVisualization,代码行数:101,代码来源:optimize.c


示例7: nlopt_optimize_

/* unlike nlopt_optimize() below, only handles minimization case */
static nlopt_result nlopt_optimize_(nlopt_opt opt, double *x, double *minf)
{
     const double *lb, *ub;
     nlopt_algorithm algorithm;
     nlopt_func f; void *f_data;
     unsigned n, i;
     int ni;
     nlopt_stopping stop;

     if (!opt || !x || !minf || !opt->f
	 || opt->maximize) RETURN_ERR(NLOPT_INVALID_ARGS, opt,
                                      "NULL args to nlopt_optimize_");

     /* reset stopping flag */
     nlopt_set_force_stop(opt, 0);
     opt->force_stop_child = NULL;
     
     /* copy a few params to local vars for convenience */
     n = opt->n;
     ni = (int) n; /* most of the subroutines take "int" arg */
     lb = opt->lb; ub = opt->ub;
     algorithm = opt->algorithm;
     f = opt->f; f_data = opt->f_data;

     if (n == 0) { /* trivial case: no degrees of freedom */
	  *minf = opt->f(n, x, NULL, opt->f_data);
	  return NLOPT_SUCCESS;
     }

     *minf = HUGE_VAL;
     
     /* check bound constraints */
     for (i = 0; i < n; ++i)
         if (lb[i] > ub[i] || x[i] < lb[i] || x[i] > ub[i]) {
             nlopt_set_errmsg(opt, "bounds %d fail %g <= %g <= %g",
                              i, lb[i], x[i], ub[i]);
             return NLOPT_INVALID_ARGS;
         }

     stop.n = n;
     stop.minf_max = opt->stopval;
     stop.ftol_rel = opt->ftol_rel;
     stop.ftol_abs = opt->ftol_abs;
     stop.xtol_rel = opt->xtol_rel;
     stop.xtol_abs = opt->xtol_abs;
     stop.nevals = 0;
     stop.maxeval = opt->maxeval;
     stop.maxtime = opt->maxtime;
     stop.force_stop = &(opt->force_stop);
     stop.stop_msg = &(opt->errmsg);

     switch (algorithm) {
	 case NLOPT_LD_SLSQP:
	      return nlopt_slsqp(n, f, f_data,
				 opt->m, opt->fc,
				 opt->p, opt->h,
				 lb, ub, x, minf, &stop);
				     
	 default:
	      return NLOPT_INVALID_ARGS;
     }

     return NLOPT_SUCCESS; /* never reached */
}
开发者ID:falkcarl,项目名称:OpenMx,代码行数:65,代码来源:optimize.c



注:本文中的nlopt_opt类示例由纯净天空整理自Github/MSDocs等源码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。


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