double DenseMatrix::InnerProduct(const DenseMatrix& mat) const
{
double res = 0;
const std::vector<double>& dataMat = mat.GetValues();
for (int dataId = 0; dataId < mValues.size(); dataId++)
{
res += mValues.at(dataId) * dataMat.at(dataId);
}
return res;
}
DenseMatrix DenseMatrix::operator - (const DenseMatrix& mat) const
{
DenseMatrix matRes(mRowNum, mColNum, 0);
int dataCount = mRowNum * mColNum;
std::vector<double>& dataRes = matRes.GetValues();
const std::vector<double>& dataMat = mat.GetValues();
for (int dataId = 0; dataId < dataCount; dataId++)
{
dataRes.at(dataId) = mValues.at(dataId) - dataMat.at(dataId);
}
return matRes;
}