本文整理汇总了C++中AzParam::vLoss方法的典型用法代码示例。如果您正苦于以下问题：C++ AzParam::vLoss方法的具体用法？C++ AzParam::vLoss怎么用？C++ AzParam::vLoss使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类AzParam的用法示例。
在下文中一共展示了AzParam::vLoss方法的1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，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: resetParam
/*--------------------------------------------------------*/
int AzRgforest::resetParam(AzParam &p)
{
const char *eyec = "AzRgforest::resetParam";
/*--- for storing data indexes in the trees to disk ---*/
/*--- this must be called before adjustTestInterval. ---*/
p.vStr(kw_temp_for_trees, &s_temp_for_trees);
/*--- loss function ---*/
p.vLoss(kw_loss, &loss_type);
/*--- weight optimization interval ---*/
int lnum_inc_opt = lnum_inc_opt_dflt;
p.vInt(kw_lnum_inc_opt, &lnum_inc_opt);
if (lnum_inc_opt <= 0) {
throw new AzException(AzInputNotValid, eyec, kw_lnum_inc_opt,
"must be positive");
}
opt_timer.reset(lnum_inc_opt);
/*--- # of trees to search ---*/
p.vInt(kw_s_tree_num, &s_tree_num);
if (s_tree_num <= 0) {
throw new AzException(AzInputNotValid, eyec, kw_s_tree_num,
"must be positive");
}
/*--- when to stop: max #leaf, max #tree ---*/
int max_tree_num = -1, max_lnum = max_lnum_dflt;
p.vInt(kw_max_tree_num, &max_tree_num);
p.vInt(kw_max_lnum, &max_lnum);
if (max_tree_num <= 0) {
if (max_lnum > 0) max_tree_num = MAX(1, max_lnum / 2);
else {
AzBytArr s("Specify ");
s.c(kw_max_lnum);
s.c(" and/or ");
s.c(kw_max_tree_num);
throw new AzException(AzInputMissing, eyec, s.c_str());
}
}
lmax_timer.reset(max_lnum);
/*--- when to test: test interval ---*/
int lnum_inc_test = lnum_inc_test_dflt;
p.vInt(kw_lnum_inc_test, &lnum_inc_test);
if (lnum_inc_test <= 0) {
throw new AzException(AzInputNotValid, eyec, kw_lnum_inc_test,
"must be positive");
}
lnum_inc_test = adjustTestInterval(lnum_inc_test, lnum_inc_opt);
test_timer.reset(lnum_inc_test);
/*--- memory handling ---*/
p.vStr(kw_mem_policy, &s_mem_policy);
if (s_mem_policy.length() <= 0) beTight = false;
else if (s_mem_policy.compare(mp_beTight) == 0) beTight = true;
else if (s_mem_policy.compare(mp_not_beTight) == 0) beTight = false;
else {
AzBytArr s(kw_mem_policy);
s.c(" should be either ");
s.c(mp_beTight);
s.c(" or ");
s.c(mp_not_beTight);
throw new AzException(AzInputNotValid, eyec, s.c_str());
}
p.vFloat(kw_f_ratio, &f_ratio);
if (f_ratio > 1) {
throw new AzException(AzInputNotValid, kw_f_ratio, "must be between 0 and 1.");
}
int random_seed = -1;
if (f_ratio > 0 && f_ratio < 1) {
p.vInt(kw_random_seed, &random_seed);
if (srand > 0) {
srand(random_seed);
}
}
p.swOn(&doPassiveRoot, kw_doPassiveRoot);
/*--- for maintenance purposes ---*/
p.swOn(&doForceToRefreshAll, kw_doForceToRefreshAll);
p.swOn(&beVerbose, kw_forest_beVerbose); /* for compatibility */
p.swOn(&beVerbose, kw_beVerbose);
p.swOn(&doTime, kw_doTime);
/*--- display parameters ---*/
if (!out.isNull()) {
AzPrint o(out);
o.ppBegin("AzRgforest", "Forest-level");
o.printLoss(kw_loss, loss_type);
o.printV(kw_max_lnum, max_lnum);
o.printV(kw_max_tree_num, max_tree_num);
o.printV(kw_lnum_inc_opt, lnum_inc_opt);
o.printV(kw_lnum_inc_test, lnum_inc_test);
o.printV(kw_s_tree_num, s_tree_num);
o.printSw(kw_doForceToRefreshAll, doForceToRefreshAll);
//.........这里部分代码省略.........