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#ifndef MATRIX_DGCMATRIX_H
#define MATRIX_DGCMATRIX_H

#include <R_ext/BLAS.h>
#include "Mutils.h"
#include "cs_utils.h"

SEXP dgCMatrix_validate(SEXP x);
SEXP compressed_to_dgTMatrix(SEXP x, SEXP colP);
SEXP compressed_non_0_ij(SEXP x, SEXP colP);
/* SEXP csc_matrix_mm(SEXP a, SEXP b, SEXP classed, SEXP right); */
SEXP dgCMatrix_lusol(SEXP x, SEXP y);
SEXP dgCMatrix_qrsol(SEXP x, SEXP y);
SEXP dgCMatrix_QR(SEXP Ap, SEXP order);
SEXP dgCMatrix_LU(SEXP Ap, SEXP orderp, SEXP tolp);
SEXP dgCMatrix_matrix_solve(SEXP Ap, SEXP bp);

#endif