MMOutputter_mat(std::string fname, uint start, uint end, std::string comment, std::vector<vertex_data> & latent_factors_inmem, int size = 0) {
assert(start < end);
MM_typecode matcode;
set_matcode(matcode, R_output_format);
FILE * outf = open_file(fname.c_str(), "w");
mm_write_banner(outf, matcode);
if (comment != "")
fprintf(outf, "%%%s\n", comment.c_str());
int actual_Size = size > 0 ? size : latent_factors_inmem[start].pvec.size();
if (R_output_format)
mm_write_mtx_crd_size(outf, end-start, actual_Size, (end-start)*actual_Size);
else
mm_write_mtx_array_size(outf, end-start, actual_Size);
for (uint i=start; i < end; i++){
for(int j=0; j < actual_Size; j++) {
if (R_output_format)
fprintf(outf, "%d %d %12.8g\n", i-start+input_file_offset, j+input_file_offset, latent_factors_inmem[i].get_val(j));
else {
fprintf(outf, "%1.12e ", latent_factors_inmem[i].get_val(j));
if (j == actual_Size -1)
fprintf(outf, "\n");
}
}
}
fclose(outf);
}
MMOutputter2(std::string fname, uint start, uint end, std::string comment) {
MM_typecode matcode;
set_matcode(matcode);
outf = fopen(fname.c_str(), "w");
assert(outf != NULL);
mm_write_banner(outf, matcode);
if (comment != "")
fprintf(outf, "%%%s\n", comment.c_str());
mm_write_mtx_array_size(outf, end-start, D);
for (uint i=start; i < end; i++)
fprintf(outf, "%1.12e\n", latent_factors_inmem[i].mean_rating);
}
MMOutputter_vec(std::string fname, uint start, uint end, int index, std::string comment, std::vector<vertex_data> & latent_factors_inmem) {
MM_typecode matcode;
set_matcode(matcode, R_output_format);
FILE * outf = open_file(fname.c_str(), "w");
mm_write_banner(outf, matcode);
if (comment != "")
fprintf(outf, "%%%s\n", comment.c_str());
if (R_output_format)
mm_write_mtx_crd_size(outf, end-start, 1, end-start);
else
mm_write_mtx_array_size(outf, end-start, 1);
for (uint i=start; i< end; i++)
if (R_output_format)
fprintf(outf, "%d %d %12.8g\n", i-start+input_file_offset, 1, latent_factors_inmem[i].get_val(index));
else
fprintf(outf, "%1.12e\n", latent_factors_inmem[i].get_val(index));
fclose(outf);
}
MMOutputter_scalar(std::string fname, std::string comment, double val) {
MM_typecode matcode;
set_matcode(matcode, R_output_format);
FILE * outf = open_file(fname.c_str(), "w");
mm_write_banner(outf, matcode);
if (comment != "")
fprintf(outf, "%%%s\n", comment.c_str());
if (R_output_format)
mm_write_mtx_crd_size(outf, 1, 1, 1);
else
mm_write_mtx_array_size(outf, 1, 1);
if (R_output_format)
fprintf(outf, "%d %d %12.8g\n", 1, 1, val);
else
fprintf(outf, "%1.12e\n", val);
fclose(outf);
}
MMOutputter_ids(std::string fname, uint start, uint end, std::string comment) {
assert(start < end);
MM_typecode matcode;
set_matcode(matcode);
FILE * outf = fopen(fname.c_str(), "w");
assert(outf != NULL);
mm_write_banner(outf, matcode);
if (comment != "")
fprintf(outf, "%%%s\n", comment.c_str());
mm_write_mtx_array_size(outf, end-start, num_ratings+1);
for (uint i=start; i < end; i++){
fprintf(outf, "%u ", i+1);
for(int j=0; j < latent_factors_inmem[i].ids.size(); j++) {
fprintf(outf, "%u ", (int)latent_factors_inmem[i].ids[j]+1);//go back to item ids starting from 1,2,3, (and not from zero as in c)
}
fprintf(outf, "\n");
}
fclose(outf);
}
MMOutputter_ratings(std::string fname, uint start, uint end, std::string comment) {
assert(start < end);
MM_typecode matcode;
set_matcode(matcode);
FILE * outf = fopen(fname.c_str(), "w");
assert(outf != NULL);
mm_write_banner(outf, matcode);
if (comment != "")
fprintf(outf, "%%%s\n", comment.c_str());
mm_write_mtx_array_size(outf, end-start, num_ratings+1);
for (uint i=start; i < end; i++){
fprintf(outf, "%u ", i+1);
for(int j=0; j < latent_factors_inmem[i].ratings.size(); j++) {
fprintf(outf, "%1.12e ", latent_factors_inmem[i].ratings[j]);
}
fprintf(outf, "\n");
}
fclose(outf);
}