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);
}
void save_matrix_market_format_vector(const std::string datafile, const vec & output, bool issparse, std::string comment)
{
MM_typecode matcode;
mm_initialize_typecode(&matcode);
mm_set_matrix(&matcode);
mm_set_coordinate(&matcode);
if (issparse)
mm_set_sparse(&matcode);
else mm_set_dense(&matcode);
set_typecode<vec>(matcode);
FILE * f = fopen(datafile.c_str(),"w");
if (f == NULL)
logstream(LOG_FATAL)<<"Failed to open file: " << datafile << " for writing. " << std::endl;
mm_write_banner(f, matcode);
if (comment.size() > 0) // add a comment to the matrix market header
fprintf(f, "%c%s\n", '%', comment.c_str());
if (issparse)
mm_write_mtx_crd_size(f, output.size(), 1, output.size());
else
mm_write_mtx_array_size(f, output.size(), 1);
for (int j=0; j<(int)output.size(); j++){
write_row(j+1, 1, output[j], f, issparse);
if (!issparse)
fprintf(f, "\n");
}
fclose(f);
}
int writeMatrix(char* filename, int m, int n, double* v)
{
// try opening the file
FILE *fp;
if ((fp = fopen(filename, "w")) == NULL) {
fprintf(stderr, "Error occurs while writing to file %s\n", filename);
return 1;
}
// set the type
MM_typecode type;
mm_initialize_typecode(&type);
mm_set_matrix(&type);
mm_set_array(&type);
mm_set_real(&type);
mm_set_general(&type);
// write banner and sizes
mm_write_banner(fp, type);
mm_write_mtx_array_size(fp, m, n);
printf("writing %s:\n\ta %d x %d matrix...", filename, m, n);
for (int j = 0; j < n; ++j) {
for (int i = 0; i < m; ++i) {
fprintf(fp, "%lf\n", v[i * n + j]);
}
}
printf("done\n");
// close the file
fclose(fp);
return 0;
}
void WriteMatrixMarketVector(std::vector<T> v, std::string filename)
{
/* Open the file */
FILE *f = fopen(filename.c_str(), "w");
if (f == NULL)
{
std::cout<<"failed to open file "<<filename<<std::endl;
}
/* Setup matcode, write banner and size */
MM_typecode matcode;
mm_initialize_typecode(&matcode);
mm_set_matrix(&matcode);
mm_set_array(&matcode);
mm_set_real(&matcode);
mm_write_banner(f, matcode);
mm_write_mtx_array_size(f, v.size(), 1);
for(unsigned int n = 0; n < v.size(); n++)
fprintf(f, "%e\n", v[n]);
/* Close file and return */
fclose(f);
return;
}
int CreateDenseMatrixGeneral(char *fileName, unsigned long int numRows, unsigned long int numCols, unsigned int seed, double min, double max) {
//Options: numRows numCols fileName seed
FILE *output;
//long nz;
unsigned long int i, j;
MM_typecode outputmatcode;
mm_initialize_typecode(&outputmatcode);
mm_set_matrix(&outputmatcode);
mm_set_coordinate(&outputmatcode);
//mm_set_dense(&outputmatcode);
mm_set_real(&outputmatcode);
mm_set_general(&outputmatcode);
if(strcmp(fileName,"stdout")==0){
output = stdout;
}
else{
if ((output = fopen(fileName, "w")) == NULL){
fprintf(stderr,"[%s] Unable to open file for writing\n",__func__);
return 0;
}
}
double value = 0.0;
srand (seed);
mm_write_banner(output, outputmatcode);
mm_write_mtx_crd_size(output, numRows, numCols, numRows*numCols);
//ret_code = fprintf(output,"\%\%MatrixMarket matrix coordinate real symmetric\n");
//unsigned long long int val1 = 0;
//unsigned long long int val2 = 0;
for(i = 0;i < numRows; i++){
for(j = 0; j< numCols; j++){
value = randfrom(min, max);
fprintf(output, "%lu %lu %lg\n",i+1,j+1,value);
}
}
fclose(output);
return 1;
}
/* fwrite dense */
static void
mm_real_fwrite_dense (FILE *stream, const mm_dense *d, const char *format)
{
int k;
mm_write_banner (stream, d->typecode);
mm_write_mtx_array_size (stream, d->m, d->n);
for (k = 0; k < d->nnz; k++) {
fprintf (stream, format, d->data[k]);
fprintf (stream, "\n");
}
return;
}
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);
}
//int CreateDenseMatrixSymmetric(unsigned long numRows,unsigned long numCols, char *fileName, unsigned int seed) {
int CreateDenseVector(int argc, char *argv[]) {
//Options: numItems fileName seed
FILE *output;
//long nz;
int i;
MM_typecode outputmatcode;
mm_initialize_typecode(&outputmatcode);
mm_set_array(&outputmatcode);
mm_set_dense(&outputmatcode);
//mm_set_coordinate(&outputmatcode);
mm_set_real(&outputmatcode);
//mm_set_symmetric(&outputmatcode);
unsigned long int numItems = 0;
unsigned int seed = 0;
//int ret_code;
if (argc < 4)
{
fprintf(stderr, "[%s] Usage: %s [num-items] [output-filename] [seed]\n",__func__, argv[0]);
return 0;
}
if ((output = fopen(argv[2], "w")) == NULL){
return 0;
}
numItems = atoi(argv[1]);
seed = atoi(argv[3]);
//unsigned long long int nnz = numItems;
srand (seed);
mm_write_banner(output, outputmatcode);
//mm_write_mtx_crd_size(output, numRows, numCols, numRows*numCols);
mm_write_mtx_array_size(output, numItems, 1);
//ret_code = fprintf(output,"\%\%MatrixMarket matrix coordinate real symmetric\n");
for(i = 0;i < numItems; i++){
fprintf(output, "%f\n",((double)rand() / (double)RAND_MAX));
}
fclose(output);
return 1;
}
void test_predictions3(float (*prediction_func)(const vertex_data & user, const vertex_data & movie, const vertex_data & time, float rating, double & prediction)) {
int ret_code;
MM_typecode matcode;
FILE *f;
uint Me, Ne;
size_t nz;
if ((f = fopen(test.c_str(), "r")) == NULL) {
return; //missing validaiton data, nothing to compute
}
FILE * fout = fopen((test + ".predict").c_str(),"w");
if (fout == NULL)
logstream(LOG_FATAL)<<"Failed to open test prediction file for writing"<<std::endl;
if (mm_read_banner(f, &matcode) != 0)
logstream(LOG_FATAL) << "Could not process Matrix Market banner. File: " << test << std::endl;
/* This is how one can screen matrix types if their application */
/* only supports a subset of the Matrix Market data types. */
if (mm_is_complex(matcode) || !mm_is_sparse(matcode))
logstream(LOG_FATAL) << "Sorry, this application does not support complex values and requires a sparse matrix." << std::endl;
/* find out size of sparse matrix .... */
if ((ret_code = mm_read_mtx_crd_size(f, &Me, &Ne, &nz)) !=0) {
logstream(LOG_FATAL) << "Failed reading matrix size: error=" << ret_code << std::endl;
}
if ((M > 0 && N > 0 ) && (Me != M || Ne != N))
logstream(LOG_FATAL)<<"Input size of test matrix must be identical to training matrix, namely " << M << "x" << N << std::endl;
mm_write_banner(fout, matcode);
mm_write_mtx_crd_size(fout ,M,N,nz);
for (uint i=0; i<nz; i++)
{
int I, J;
double val;
int time;
int rc = fscanf(f, "%d %d %d %lg\n", &I, &J, &time, &val);
if (rc != 4)
logstream(LOG_FATAL)<<"Error when reading input file: " << i << std::endl;
I--; /* adjust from 1-based to 0-based */
J--;
double prediction;
(*prediction_func)(latent_factors_inmem[I], latent_factors_inmem[J+M], latent_factors_inmem[time+M+N], 1, prediction);
fprintf(fout, "%d %d %12.8lg\n", I+1, J+1, prediction);
}
fclose(f);
fclose(fout);
logstream(LOG_INFO)<<"Finished writing " << nz << " predictions to file: " << test << ".predict" << std::endl;
}
int CreateDenseMatrixGeneral(int argc, char *argv[]) {
FILE *output;
unsigned long int numRows, numCols, seed, i, j;
char * outputpath;
double value;
MM_typecode outputmatcode;
int verbose;
struct st_option options[] = {
FLAG_BOOL('v', "verbose", "Show more info when executing", &verbose, NULL),
PARAM_INT("rows", "Number of rows of the matrix", &numRows, NULL),
PARAM_INT("cols", "Number of columns of the matrix", &numCols, NULL),
PARAM_STRING("outputfilename", "Filename to write the matrix into", &outputpath, NULL),
PARAM_INT("seed", "Seed of the random number generator", &seed, "0"),
OPTIONS_END,
};
if (options_parse(options, argc, argv)) {
options_usage(options, "./MM-Suite CreateDenseMatrixGeneral");
puts(option_err_msg);
return 0;
};
if ((output = fopen(outputpath, "w")) == NULL){
return 0;
}
mm_initialize_typecode(&outputmatcode);
mm_set_matrix(&outputmatcode);
mm_set_coordinate(&outputmatcode);
mm_set_real(&outputmatcode);
mm_set_general(&outputmatcode);
srand(seed);
mm_write_banner(output, outputmatcode);
mm_write_mtx_crd_size(output, numRows, numCols, numRows*numCols);
for (i = 0; i < numRows; i++) {
for (j = 0; j < numCols; j++) {
value = ((double) rand() / (double) RAND_MAX) / 100;
fprintf(output, "%lu %lu %lg\n", i + 1, j + 1, value);
}
}
fclose(output);
return 1;
};
/* fwrite sparse */
static void
mm_real_fwrite_sparse (FILE *stream, const mm_sparse *s, const char *format)
{
int j;
mm_write_banner (stream, s->typecode);
mm_write_mtx_crd_size (stream, s->m, s->n, s->nnz);
for (j = 0; j < s->n; j++) {
int k = s->p[j];
int pend = s->p[j + 1];
for (; k < pend; k++) {
fprintf (stream, "%d %d ", s->i[k] + 1, j + 1); // c -> fortran
fprintf (stream, format, s->data[k]);
fprintf (stream, "\n");
}
}
return;
}
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_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);
}
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);
}
int write_mm_matrix_crd_header(FILE *fp, const int m, const int n,
const int nnz, const char *comments)
{
MM_typecode matcode;
mm_initialize_typecode(&matcode);
mm_set_matrix(&matcode);
mm_set_coordinate(&matcode);
mm_set_real(&matcode);
/* banner */
mm_write_banner(fp, matcode);
/* comments */
fprintf(fp, "%s", comments);
/* size */
mm_write_mtx_crd_size(fp, m, n, nnz);
/* contents */
return 0;
}
int write_mm_vector(const char *file, const int m, const double *vec,
const char *comments, const int type)
{
int i;
FILE *fp;
MM_typecode matcode;
mm_initialize_typecode(&matcode);
mm_set_matrix(&matcode);
mm_set_array(&matcode);
mm_set_real(&matcode);
if ((fp = fopen(file, "w")) == NULL)
{
fprintf(stderr,"ERROR: Could not open file: %s\n",file);
exit(1);
}
/* banner */
mm_write_banner(fp, matcode);
/* comments */
fprintf(fp, "%s", comments);
/* size */
mm_write_mtx_array_size(fp, m, 1);
/* contents */
if (type == TYPE_G)
{
for (i = 0; i < m; i++)
fprintf(fp, "%10g\n", vec[i]);
}
else
{
for (i = 0; i < m; i++)
fprintf(fp, "%22.15e\n", vec[i]);
}
fclose(fp);
return 0;
}
int RowMatrixToMatrixMarketFile( const char *filename, const Epetra_RowMatrix & A,
const char * matrixName,
const char *matrixDescription,
bool writeHeader) {
long long M = A.NumGlobalRows64();
long long N = A.NumGlobalCols64();
long long nz = A.NumGlobalNonzeros64();
FILE * handle = 0;
if (A.RowMatrixRowMap().Comm().MyPID()==0) { // Only PE 0 does this section
handle = fopen(filename,"w");
if (!handle) {EPETRA_CHK_ERR(-1);}
MM_typecode matcode;
mm_initialize_typecode(&matcode);
mm_set_matrix(&matcode);
mm_set_coordinate(&matcode);
mm_set_real(&matcode);
if (writeHeader==true) { // Only write header if requested (true by default)
if (mm_write_banner(handle, matcode)!=0) {EPETRA_CHK_ERR(-1);}
if (matrixName!=0) fprintf(handle, "%% \n%% %s\n", matrixName);
if (matrixDescription!=0) fprintf(handle, "%% %s\n%% \n", matrixDescription);
if (mm_write_mtx_crd_size(handle, M, N, nz)!=0) {EPETRA_CHK_ERR(-1);}
}
}
if (RowMatrixToHandle(handle, A)!=0) {EPETRA_CHK_ERR(-1);}// Everybody calls this routine
if (A.RowMatrixRowMap().Comm().MyPID()==0) // Only PE 0 opened a file
if (fclose(handle)!=0) {EPETRA_CHK_ERR(-1);}
return(0);
}
//------------------------------------------------------------------------
int test_mm_write(std::string filename)
{
const int nz = 4;
const int M = 10;
const int N= 10;
MM_typecode matcode;
int I[nz] = { 0, 4, 2, 8 };
int J[nz] = { 3, 8, 7, 5 };
double val[nz] = {1.1, 2.2, 3.2, 4.4};
int i;
int err = 0;
FILE *f;
f = fopen(filename.c_str(), "w");
err += mm_initialize_typecode(&matcode);
err += mm_set_matrix(&matcode);
err += mm_set_coordinate(&matcode);
err += mm_set_real(&matcode);
err += mm_write_banner(f, matcode);
err += mm_write_mtx_crd_size(f, M, N, nz);
/* NOTE: matrix market files use 1-based indices, i.e. first element
of a vector has index 1, not 0. */
fprintf(stdout, "Writing file contents: \n");
for (i=0; i<nz; i++)
{
fprintf(f, "%d %d %lg\n", I[i]+1, J[i]+1, val[i]);
fprintf(stdout, "%d %d %lg\n", I[i]+1, J[i]+1, val[i]);
}
fclose(f);
return err;
}
int MultiVectorToMatrixMarketFile( const char *filename, const Epetra_MultiVector & A,
const char * matrixName,
const char *matrixDescription,
bool writeHeader) {
int M = A.GlobalLength();
int N = A.NumVectors();
FILE * handle = 0;
if (A.Map().Comm().MyPID()==0) { // Only PE 0 does this section
handle = fopen(filename,"w");
if (!handle) return(-1);
MM_typecode matcode;
mm_initialize_typecode(&matcode);
mm_set_matrix(&matcode);
mm_set_array(&matcode);
mm_set_real(&matcode);
if (writeHeader==true) { // Only write header if requested (true by default)
if (mm_write_banner(handle, matcode)) return(-1);
if (matrixName!=0) fprintf(handle, "%% \n%% %s\n", matrixName);
if (matrixDescription!=0) fprintf(handle, "%% %s\n%% \n", matrixDescription);
if (mm_write_mtx_array_size(handle, M, N)) return(-1);
}
}
if (MultiVectorToMatrixMarketHandle(handle, A)) return(-1); // Everybody calls this routine
if (A.Map().Comm().MyPID()==0) // Only PE 0 opened a file
if (fclose(handle)) return(-1);
return(0);
}
int main()
{
MM_typecode matcode;
int I[nz] = { 0, 4, 2, 8 };
int J[nz] = { 3, 8, 7, 5 };
double val[nz] = {1.1, 2.2, 3.2, 4.4};
int i;
mm_initialize_typecode(&matcode);
mm_set_matrix(&matcode);
mm_set_coordinate(&matcode);
mm_set_real(&matcode);
mm_write_banner(stdout, matcode);
mm_write_mtx_crd_size(stdout, M, N, nz);
/* NOTE: matrix market files use 1-based indices, i.e. first element
of a vector has index 1, not 0. */
for (i=0; i<nz; i++)
fprintf(stdout, "%d %d %10.3g\n", I[i]+1, J[i]+1, val[i]);
return 0;
}
void HostMatrixCOO<ValueType>::WriteFileMTX(const std::string filename) const {
MM_typecode matcode;
FILE *f;
LOG_INFO("WriteFileMTX: filename="<< filename << "; writing...");
if ((f = fopen(filename.c_str(), "w")) == NULL) {
LOG_INFO("WriteFileMTX cannot open file " << filename);
FATAL_ERROR(__FILE__, __LINE__);
}
mm_initialize_typecode(&matcode);
mm_set_matrix(&matcode);
mm_set_coordinate(&matcode);
mm_set_real(&matcode);
mm_write_banner(f, matcode);
// mm_write_mtx_crd_size(f, this->get_ncol(), this->get_nrow(), this->get_nnz());
mm_write_mtx_crd_size(f, this->get_nrow(), this->get_ncol(), this->get_nnz());
/* NOTE: matrix market files use 1-based indices, i.e. first element
of a vector has index 1, not 0. */
for (int i=0; i<this->nnz_; i++)
fprintf(f, "%d %d %2.14e\n",
this->mat_.row[i]+1,
this->mat_.col[i]+1,
this->mat_.val[i]);
LOG_INFO("WriteFileMTX: filename="<< filename << "; done");
fclose(f);
}
//------------------------------------------------------------------------
int test_mm_read(std::string filename)
{
int ret_code;
MM_typecode matcode;
FILE *f;
int M, N, nz;
int i, *I, *J;
double *val;
int err=0;
if ((f = fopen(filename.c_str(), "r")) == NULL)
return -1;
if (mm_read_banner(f, &matcode) != 0)
{
printf("Could not process Matrix Market banner.\n");
return -2;
}
/* This is how one can screen matrix types if their application */
/* only supports a subset of the Matrix Market data types. */
if (mm_is_complex(matcode) && mm_is_matrix(matcode) &&
mm_is_sparse(matcode) )
{
printf("Sorry, this application does not support ");
printf("Market Market type: [%s]\n", mm_typecode_to_str(matcode));
return -3;
}
/* find out size of sparse matrix .... */
if ((ret_code = mm_read_mtx_crd_size(f, &M, &N, &nz)) !=0)
return -4;
/* reseve memory for matrices */
I = (int *) malloc(nz * sizeof(int));
J = (int *) malloc(nz * sizeof(int));
val = (double *) malloc(nz * sizeof(double));
/* NOTE: when reading in doubles, ANSI C requires the use of the "l" */
/* specifier as in "%lg", "%lf", "%le", otherwise errors will occur */
/* (ANSI C X3.159-1989, Sec. 4.9.6.2, p. 136 lines 13-15) */
for (i=0; i<nz; i++)
{
fscanf(f, "%d %d %lg\n", &I[i], &J[i], &val[i]);
I[i]--; /* adjust from 1-based to 0-based */
J[i]--;
}
if (f !=stdin) fclose(f);
/************************/
/* now write out matrix */
/************************/
fprintf(stdout, "Read full file contents: \n================================\n");
err += mm_write_banner(stdout, matcode);
err += mm_write_mtx_crd_size(stdout, M, N, nz);
for (i=0; i<nz; i++)
{
fprintf(stdout, "%d %d %lg\n", I[i]+1, J[i]+1, val[i]);
}
return err;
}
/* Save a matrix column subset to a MatrixMarket formatted file,
say to export the basis matrix for further numerical analysis.
If colndx is NULL, then the full constraint matrix is assumed. */
MYBOOL REPORT_mat_mmsave(lprec *lp, char *filename, int *colndx, MYBOOL includeOF, char *infotext)
{
int n, m, nz, i, j, k, kk;
MATrec *mat = lp->matA;
MM_typecode matcode;
FILE *output = stdout;
MYBOOL ok;
LPSREAL *acol = NULL;
int *nzlist = NULL;
/* Open file */
ok = (MYBOOL) ((filename == NULL) || ((output = fopen(filename,"w")) != NULL));
if(!ok)
return(ok);
if((filename == NULL) && (lp->outstream != NULL))
output = lp->outstream;
/* Compute column and non-zero counts */
if(colndx == lp->var_basic) {
if(!lp->basis_valid)
return( FALSE );
m = lp->rows;
}
else if(colndx != NULL)
m = colndx[0];
else
m = lp->columns;
n = lp->rows;
nz = 0;
for(j = 1; j <= m; j++) {
k = (colndx == NULL ? n + j : colndx[j]);
if(k > n) {
k -= lp->rows;
nz += mat_collength(mat, k);
if(includeOF && is_OF_nz(lp, k))
nz++;
}
else
nz++;
}
kk = 0;
if(includeOF) {
n++; /* Row count */
kk++; /* Row index offset */
}
/* Initialize */
mm_initialize_typecode(&matcode);
mm_set_matrix(&matcode);
mm_set_coordinate(&matcode);
mm_set_real(&matcode);
mm_write_banner(output, matcode);
mm_write_mtx_crd_size(output, n+kk, m, nz+(colndx == lp->var_basic ? 1 : 0));
/* Allocate working arrays for sparse column storage */
allocREAL(lp, &acol, n+2, FALSE);
allocINT(lp, &nzlist, n+2, FALSE);
/* Write the matrix non-zero values column-by-column.
NOTE: matrixMarket files use 1-based indeces,
i.e. first row of a vector has index 1, not 0. */
if(infotext != NULL) {
fprintf(output, "%%\n");
fprintf(output, "%% %s\n", infotext);
fprintf(output, "%%\n");
}
if(includeOF && (colndx == lp->var_basic))
fprintf(output, "%d %d %g\n", 1, 1, 1.0);
for(j = 1; j <= m; j++) {
k = (colndx == NULL ? lp->rows + j : colndx[j]);
if(k == 0)
continue;
nz = obtain_column(lp, k, acol, nzlist, NULL);
for(i = 1; i <= nz; i++) {
if(!includeOF && (nzlist[i] == 0))
continue;
fprintf(output, "%d %d %g\n", nzlist[i]+kk, j+kk, acol[i]);
}
}
fprintf(output, "%% End of MatrixMarket file\n");
/* Finish */
FREE(acol);
FREE(nzlist);
fclose(output);
return(ok);
}
int write_mm_matrix(const char *file, dmatrix *mat,
const char *comments, const int type)
{
int i, j, m, n;
FILE *fp;
m = mat->m;
n = mat->n;
MM_typecode matcode;
mm_initialize_typecode(&matcode);
mm_set_matrix(&matcode);
if (mat->nz < 0)
mm_set_array(&matcode);
else
mm_set_coordinate(&matcode);
mm_set_real(&matcode);
if ((fp = fopen(file, "w")) == NULL)
{
fprintf(stderr,"ERROR: Could not open file: %s\n",file);
exit(1);
}
/* banner */
mm_write_banner(fp, matcode);
/* comments */
fprintf(fp, "%s", comments);
/* size */
if (mat->nz < 0)
mm_write_mtx_array_size(fp, m, n);
else
mm_write_mtx_crd_size(fp, m, n, mat->nz);
/* contents */
if (mat->nz < 0)
{
double *val;
val = mat->val;
if (type == TYPE_G)
{
for (j = 0; j < n; j++)
for (i = 0; i < m; i++)
fprintf(fp, "%10g\n", val[i*n+j]);
}
else
{
for (j = 0; j < n; j++)
for (i = 0; i < m; i++)
fprintf(fp, "%22.15e\n", val[i*n+j]);
}
}
else
{
int *idx;
int *jdx;
double *val;
idx = mat->idx;
jdx = mat->jdx;
val = mat->val;
if (type == TYPE_G)
{
for (i = 0; i < mat->nz; i++)
{
fprintf(fp, "%d %d %15g\n", idx[i]+1, jdx[i]+1, val[i]);
}
}
else
{
for (i = 0; i < mat->nz; i++)
{
fprintf(fp, "%d %d %22.15e\n", idx[i]+1, jdx[i]+1, val[i]);
}
}
}
fclose(fp);
return 0;
}
int main(int argc, char *argv[])
{
FILE *in_file;
char Title[73], Key[9], Rhstype[4];
char Type[4];
char Ptrfmt[17], Indfmt[17], Valfmt[21], Rhsfmt[21];
int Ptrcrd, Indcrd, Valcrd;
int Rhscrd = 0;
int Indperline, Indwidth;
int Valperline, Valwidth, Valprec;
int Valflag; /* Indicates 'E','D', or 'F' float format */
int Nrow, Ncol, Nnzero;
int Nrhs;
char *valc = NULL;
char *Valfmtc;
char *tmp1;
char *tmp2;
char format[30];
char rformat[30];
char cformat[30];
int *colptr, *rowind;
int i,j, indxval, rowp1, colp1;
MM_typecode matcode;
if (argc != 2) {
printf("Usage: %s HBfile \n", argv[0]);
exit(-1);
}
in_file = fopen( argv[1], "r");
if (in_file == NULL)
{
fprintf(stderr,"Error: Cannot open file: %s\n",argv[1]);
exit(1);
}
readHB_header(in_file, Title, Key, Type, &Nrow, &Ncol, &Nnzero, &Nrhs,
Ptrfmt, Indfmt, Valfmt, Rhsfmt,
&Ptrcrd, &Indcrd, &Valcrd, &Rhscrd, Rhstype);
fclose(in_file);
readHB_newmat_char(argv[1], &Nrow, &Ncol, &Nnzero, &colptr, &rowind, &valc,
&Valfmtc);
ParseIfmt(Indfmt,&Indperline,&Indwidth);
ParseRfmt(Valfmt,&Valperline,&Valwidth,&Valprec,&Valflag);
sprintf(format,"%%%dd %%%dd \n",Indwidth,Indwidth);
sprintf(rformat,"%%%dd %%%dd %%%ds\n",Indwidth,Indwidth,Valwidth);
sprintf(cformat,"%%%dd %%%dd %%%ds %%%ds\n",Indwidth,Indwidth,Valwidth,Valwidth);
mm_set_matrix(&matcode);
mm_set_coordinate(&matcode);
if ( Type[0] == 'R' )
mm_set_real(&matcode);
else if ( Type[0] == 'C' )
mm_set_complex(&matcode);
else if ( Type[0] == 'P' )
mm_set_pattern(&matcode);
else {
fprintf(stderr,"Unrecognized field in HB Type: %1s",Type);
exit(1);
}
if ( Type[1] == 'U' || Type[1] == 'R' )
mm_set_general(&matcode);
else if ( Type[1] == 'S' )
mm_set_symmetric(&matcode);
else if ( Type[1] == 'Z' )
mm_set_skew(&matcode);
else if ( Type[1] == 'H' )
mm_set_hermitian(&matcode);
else {
fprintf(stderr,"Unrecognized field in HB Type: %1s",&Type[1]);
exit(1);
}
if ( Type[2] != 'A' ){
fprintf(stderr,"Unrecognized format in HB Type: %1s",&Type[2]);
exit(1);
}
mm_write_banner(stdout, matcode);
fprintf(stdout,"%% RBTitle: %s\n",Title);
fprintf(stdout,"%% RBKey: %s\n",Key);
mm_write_mtx_crd_size(stdout, Nrow, Ncol, Nnzero);
if ( Type[0] == 'C' ) {
/* Loop through columns */
for (j = 0; j < Ncol ; j++)
for (i=colptr[j];i<colptr[j+1];i++)
{
indxval = 2*(i-1);
rowp1 = rowind[i-1]+1-1;
colp1 = j + 1;
tmp1 = substr(valc,indxval*Valwidth,Valwidth);
tmp2 = substr(valc,(indxval+1)*Valwidth,Valwidth);
fprintf(stdout,cformat,rowp1,colp1,tmp1,tmp2);
}
} else if ( Type[0] == 'R' ) {
/* Loop through columns */
for (j = 0; j < Ncol ; j++)
for (i=colptr[j];i<colptr[j+1];i++)
{
rowp1 = rowind[i-1];
colp1 = j + 1;
tmp1 = substr(valc,(i-1)*Valwidth,Valwidth);
fprintf(stdout,rformat,rowp1,colp1,tmp1);
}
} else {
/* Loop through columns */
for (j = 0; j < Ncol ; j++)
for (i=colptr[j];i<colptr[j+1];i++)
{
rowp1 = rowind[i-1];
colp1 = j + 1;
fprintf(stdout,format,rowp1,colp1);
}
}
return 0;
}
void main(int argc, char *argv[])
{
FILE *in_file;
char Title[73], Key[9], Rhstype[4];
char Type[4];
char Ptrfmt[17], Indfmt[17], Valfmt[21], Rhsfmt[21];
int Ptrcrd, Indcrd, Valcrd, Rhscrd;
int Indperline, Indwidth;
int Valperline, Valwidth, Valprec;
int Valflag; /* Indicates 'E','D', or 'F' float format */
int Nrow, Ncol, Nnzero;
int Nrhs;
char* ThisElement;
char format[30];
char rformat[30];
int *colptr, *rowind;
int *colcount;
int i,j, repeat, count, col, ind, items, last;
char line[BUFSIZ];
MM_typecode matcode;
if (argc != 2) {
printf("Usage: %s HBfile\n\n", argv[0]);
printf(" Sends Matrix Market formatted output to stdout\n");
exit(-1);
}
in_file = fopen( argv[1], "r");
if (in_file == NULL)
{
fprintf(stderr,"Error: Cannot open file: %s\n",argv[1]);
exit(1);
}
readHB_header(in_file, Title, Key, Type, &Nrow, &Ncol, &Nnzero, &Nrhs,
Ptrfmt, Indfmt, Valfmt, Rhsfmt,
&Ptrcrd, &Indcrd, &Valcrd, &Rhscrd, Rhstype);
fclose(in_file);
if (Type[0] == 'P' ) {
fprintf(stderr,"This is a streaming translator for LARGE files with ");
fprintf(stderr,"REAL or COMPLEX data. Use 'hbmat2mtx' for PATTERN matrices.\n");
exit(1);
}
in_file = readHB_newind(argv[1], &Nrow, &Ncol, &Nnzero, &colptr, &rowind);
ParseIfmt(Indfmt,&Indperline,&Indwidth);
sprintf(format,"%%%dd %%%dd ",Indwidth,Indwidth);
ParseRfmt(Valfmt,&Valperline,&Valwidth,&Valprec,&Valflag);
sprintf(rformat,"%%%ds ",Valwidth);
ThisElement = (char *) malloc(Valwidth+1);
/* Skip to values in hb file: */
mm_set_matrix(&matcode);
mm_set_coordinate(&matcode);
if ( Type[0] == 'R' )
mm_set_real(&matcode);
else if ( Type[0] == 'C' )
mm_set_complex(&matcode);
else if ( Type[0] == 'P' )
mm_set_pattern(&matcode);
else {
fprintf(stderr,"Unrecognized field in HB Type: %1s",Type);
exit(1);
}
if ( Type[1] == 'U' || Type[1] == 'R' )
mm_set_general(&matcode);
else if ( Type[1] == 'S' )
mm_set_symmetric(&matcode);
else if ( Type[1] == 'Z' )
mm_set_skew(&matcode);
else if ( Type[1] == 'H' )
mm_set_hermitian(&matcode);
else {
fprintf(stderr,"Unrecognized field in HB Type: %1s",&Type[1]);
exit(1);
}
if ( Type[2] != 'A' ){
fprintf(stderr,"Unrecognized format in HB Type: %1s",&Type[2]);
exit(1);
}
mm_write_banner(stdout, matcode);
fprintf(stdout,"%% RBTitle: %s\n",Title);
fprintf(stdout,"%% RBKey: %s\n",Key);
mm_write_mtx_crd_size(stdout, Nrow, Ncol, Nnzero);
if ( ThisElement == NULL ) IOHBTerminate("Insufficient memory for ThisElement.\nhb2mtxstrm.c: Line 117 approx.");
repeat=0;
if ( Type[0] == 'C') repeat=1;
count = 0;
colcount = &colptr[1];
items = 0;
for (i=0;i<Valcrd;i++)
{
fgets(line, BUFSIZ, in_file);
if ( sscanf(line,"%*s") < 0 ) {
fprintf(stderr,"iohb.c: Null (or blank) line in value data region of HB file.\n");
exit(1);
}
if (Valflag == 'D') {
while( strchr(line,'D') ) *strchr(line,'D') = 'E';
}
col = 0;
for (ind = 0;ind<Valperline;ind++)
{
if (count == Nnzero) break;
if (count == *colcount-1) colcount++;
strncpy(ThisElement,line+col,Valwidth);
*(ThisElement+Valwidth) = (char) NULL;
if ( Valflag != 'F' && strchr(ThisElement,'E') == NULL ) {
/* insert a char prefix for exp */
last = strlen(ThisElement);
for (j=last+1;j>=0;j--) {
ThisElement[j] = ThisElement[j-1];
if ( ThisElement[j] == '+' || ThisElement[j] == '-' ) {
ThisElement[j-1] = Valflag;
break;
}
}
}
items++;
if (items==1) fprintf(stdout,format,rowind[count],colcount-colptr);
if (items > repeat) {
fprintf(stdout,rformat,ThisElement);
fprintf(stdout,"\n");
count++;
items=0;
} else {
fprintf(stdout,rformat,ThisElement);
}
col += Valwidth;
}
}
}
int BlockMapToMatrixMarketFile( const char *filename, const Epetra_BlockMap & map,
const char * mapName,
const char *mapDescription,
bool writeHeader) {
int M = map.NumGlobalElements();
int N = 1;
if (map.MaxElementSize()>1) N = 2; // Non-trivial block map, store element sizes in second column
FILE * handle = 0;
if (map.Comm().MyPID()==0) { // Only PE 0 does this section
handle = fopen(filename,"w");
if (!handle) return(-1);
MM_typecode matcode;
mm_initialize_typecode(&matcode);
mm_set_matrix(&matcode);
mm_set_array(&matcode);
mm_set_integer(&matcode);
if (writeHeader==true) { // Only write header if requested (true by default)
if (mm_write_banner(handle, matcode)) return(-1);
if (mapName!=0) fprintf(handle, "%% \n%% %s\n", mapName);
if (mapDescription!=0) fprintf(handle, "%% %s\n%% \n", mapDescription);
}
}
if (writeHeader==true) { // Only write header if requested (true by default)
// Make an Epetra_IntVector of length numProc such that all elements are on PE 0 and
// the ith element is NumMyElements from the ith PE
Epetra_Map map1(-1, 1, 0, map.Comm()); // map with one element on each processor
int length = 0;
if (map.Comm().MyPID()==0) length = map.Comm().NumProc();
Epetra_Map map2(-1, length, 0, map.Comm());
Epetra_Import lengthImporter(map2, map1);
Epetra_IntVector v1(map1);
Epetra_IntVector v2(map2);
v1[0] = map.NumMyElements();
if (v2.Import(v1, lengthImporter, Insert)) return(-1);
if (map.Comm().MyPID()==0) {
fprintf(handle, "%s", "%Format Version:\n");
//int version = 1; // We may change the format scheme at a later date.
fprintf(handle, "%% %d \n", map.Comm().NumProc());
fprintf(handle, "%s", "%NumProc: Number of processors:\n");
fprintf(handle, "%% %d \n", map.Comm().NumProc());
fprintf(handle, "%s", "%MaxElementSize: Maximum element size:\n");
fprintf(handle, "%% %d \n", map.MaxElementSize());
fprintf(handle, "%s", "%MinElementSize: Minimum element size:\n");
fprintf(handle, "%% %d \n", map.MinElementSize());
fprintf(handle, "%s", "%IndexBase: Index base of map:\n");
fprintf(handle, "%% %d \n", map.IndexBase());
fprintf(handle, "%s", "%NumGlobalElements: Total number of GIDs in map:\n");
fprintf(handle, "%% %d \n", map.NumGlobalElements());
fprintf(handle, "%s", "%NumMyElements: BlockMap lengths per processor:\n");
for ( int i=0; i< v2.MyLength(); i++) fprintf(handle, "%% %d\n", v2[i]);
if (mm_write_mtx_array_size(handle, M, N)) return(-1);
}
}
if (BlockMapToHandle(handle, map)) return(-1); // Everybody calls this routine
if (map.Comm().MyPID()==0) // Only PE 0 opened a file
if (fclose(handle)) return(-1);
return(0);
}