本文整理汇总了C++中Samples::resize方法的典型用法代码示例。如果您正苦于以下问题：C++ Samples::resize方法的具体用法？C++ Samples::resize怎么用？C++ Samples::resize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Samples的用法示例。
在下文中一共展示了Samples::resize方法的2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: if
void
diy::detail::KDTreeSamplingPartition<Block,Point>::
operator()(Block* b, const diy::ReduceProxy& srp, const KDTreePartners& partners) const
{
int dim;
if (srp.round() < partners.rounds())
dim = partners.dim(srp.round());
else
dim = partners.dim(srp.round() - 1);
if (srp.round() == partners.rounds())
update_links(b, srp, dim, partners.sub_round(srp.round() - 2), partners.swap_rounds(), partners.wrap, partners.domain); // -1 would be the "uninformative" link round
else if (partners.swap_round(srp.round()) && partners.sub_round(srp.round()) < 0) // link round
{
dequeue_exchange(b, srp, dim); // from the swap round
split_to_neighbors(b, srp, dim);
}
else if (partners.swap_round(srp.round()))
{
Samples samples;
receive_samples(b, srp, samples);
enqueue_exchange(b, srp, dim, samples);
} else if (partners.sub_round(srp.round()) == 0)
{
if (srp.round() > 0)
{
int prev_dim = dim - 1;
if (prev_dim < 0)
prev_dim += dim_;
update_links(b, srp, prev_dim, partners.sub_round(srp.round() - 2), partners.swap_rounds(), partners.wrap, partners.domain); // -1 would be the "uninformative" link round
}
compute_local_samples(b, srp, dim);
} else if (partners.sub_round(srp.round()) < (int) partners.histogram.rounds()/2) // we are reusing partners class, so really we are talking about the samples rounds here
{
Samples samples;
add_samples(b, srp, samples);
srp.enqueue(srp.out_link().target(0), samples);
} else
{
Samples samples;
add_samples(b, srp, samples);
if (samples.size() != 1)
{
// pick the median
std::nth_element(samples.begin(), samples.begin() + samples.size()/2, samples.end());
std::swap(samples[0], samples[samples.size()/2]);
//std::sort(samples.begin(), samples.end());
//samples[0] = (samples[samples.size()/2] + samples[samples.size()/2 + 1])/2;
samples.resize(1);
}
forward_samples(b, srp, samples);
}
}示例2: filter
void filter(const marker::Set& refMarkers) {
if (markers == NULL) {
throw invalid_argument("Markers in sample set are missing.");
}
// flag markers for removal
markers->filter(refMarkers);
if (samples.size() > 0) {
// Create copy of samples with only unflagged markers
// Shallow copy current samples (copy pointers)
Samples oldSamples = samples;
// clear current data
samples.clear();
byNames.clear();
// pre-allocate space
samples.resize(oldSamples.size());
for (size_t sampleIndex = 0; sampleIndex < oldSamples.size(); ++sampleIndex) {
// iterate through chromosomes
for (size_t chromIndex = 0; chromIndex < oldSamples[0]->size(); ++chromIndex) {
// resize chromosome to be as big as chromosome from old sample
samples[sampleIndex]->resizeChromosome(chromIndex, (*oldSamples[sampleIndex])[chromIndex].size());
}
}
// copy data from unflagged markers
const size_t chromEnd = markers->size();
vector<size_t> validMarkersCounts(chromEnd);
for (size_t chromIndex = 0; chromIndex < chromEnd; ++chromIndex) {
const size_t numMarkers = (*markers)[chromIndex].size();
validMarkersCounts[chromIndex] = 0;
for (size_t markerIndex = 0; markerIndex < numMarkers; ++markerIndex) {
// only copy unflagged markers
if (!(*markers)[chromIndex][markerIndex]->flag) {
// copy marker values from oldSamples
const size_t numSamples = oldSamples.size();
for (size_t sampleIndex = 0; sampleIndex < numSamples; ++sampleIndex) {
(*samples[sampleIndex])[chromIndex][validMarkersCounts[chromIndex]] = (*oldSamples[sampleIndex])[chromIndex][markerIndex];
}
++validMarkersCounts[chromIndex];
}
}
}
// shrink new sample chromosomes to match new size
SamplesIterator it, end = samples.end();
for (it = samples.begin(); it != end; ++it) {
for (size_t chromIndex = 0; chromIndex < chromEnd; ++chromIndex) {
(**it).resizeChromosome(chromIndex, validMarkersCounts[chromIndex]);
}
}
// clear old samples
end = oldSamples.end();
for (it = oldSamples.begin(); it != end; ++it) {
delete (*it);
}
}
// remove flagged markers
markers->clean();
}