本文整理汇总了C++中SparseMat::nrows方法的典型用法代码示例。如果您正苦于以下问题：C++ SparseMat::nrows方法的具体用法？C++ SparseMat::nrows怎么用？C++ SparseMat::nrows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SparseMat的用法示例。
在下文中一共展示了SparseMat::nrows方法的3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: ErrProgrammingError
SparseMat SparseMat::operator*(const SparseMat &right) const {
if(!consolidated() || !right.consolidated())
throw ErrProgrammingError("Attempt to multiply unconsolidated SparseMats!",
__FILE__, __LINE__);
SparseMat result(nrows(), right.ncols());
const SparseMat rightt = right.transpose();
for(unsigned int i=0; i<nrows(); i++) {
for(unsigned int j=0; j<rightt.nrows(); j++) {
const_row_iterator ai = begin(i);
const_row_iterator bj = rightt.begin(j);
while(ai < end(i) && bj < rightt.end(j)) {
if(ai.col() == bj.col()) {
result.insert(i, j, (*ai)*(*bj));
++ai;
++bj;
}
else if(ai.col() < bj.col())
++ai;
else
++bj;
}
}
result.consolidate_row(i);
}
// result.consolidate();
result.consolidated_ = true;
return result;
}示例2: tile
void SparseMat::tile(unsigned int i, unsigned int j,
const SparseMat &other)
{
// Add other to this, offset by i rows and j columns.
assert(i + other.nrows() <= nrows());
assert(j + other.ncols() <= ncols());
for(SparseMat::const_iterator kl = other.begin(); kl<other.end(); ++kl) {
unsigned int ii = kl.row() + i;
unsigned int jj = kl.col() + j;
assert(0 <= ii && ii < nrows_);
assert(0 <= jj && jj < ncols_);
insert(ii, jj, *kl);
}
}示例3: mmadump
void mmadump(const std::string &filename, const std::string &mtxname,
const SparseMat &m)
{
std::ofstream os(filename.c_str());
os << mtxname << " = Table[Table[0, {i, 1, " << m.ncols() << "}], {j, 1, "
<< m.nrows() << "}]" << std::endl;
for(SparseMat::const_iterator ij=m.begin(); ij<m.end(); ++ij) {
std::string val(to_string(*ij));
int epos = val.find("e");
if(epos >= 0)
val.replace(epos, 1, "*^");
os << mtxname << "[[" << ij.row()+1 << "," << ij.col()+1 << "]] = " << val
<< std::endl;
}
os.close();
}