void HorzRepsum::generate(CodeGenerator& g, const std::string& mem,
const std::vector<int>& arg, const std::vector<int>& res) const {
int nnz = sparsity().nnz();
g.body << " " << g.fill(g.work(res[0], nnz), nnz, "0") << endl;
g.body << " for (i=0;i<" << n_ << ";++i) {" << endl;
g.body << " for (j=0;j<" << nnz << ";++j) {" << endl;
g.body << " " << g.work(res[0], nnz)<< "[j] += " <<
g.work(arg[0], dep(0).nnz()) << "[j+i*" << nnz << "];" << endl;
g.body << " }" << endl;
g.body << " }" << endl;
}
