/* Include Guard */
#ifndef CVE_INCLUDE_GUARD_MATRIX_
#define CVE_INCLUDE_GUARD_MATRIX_

void matrixprod(const double *A, const int nrowA, const int ncolA,
                const double *B, const int nrowB, const int ncolB,
                       double *C);

void crossprod(const double *A, const int nrowA, const int ncolA,
               const double *B, const int nrowB, const int ncolB,
               double *C);

void nullProj(const double *B, const int nrowB, const int ncolB,
              double *Q);

// A dence skwe-symmetric rank 2 update.
// Perform the update
//      C := alpha (A * B^T - B * A^T) + beta C
void skewSymRank2k(const int nrow, const int ncol,
                   double alpha, const double *A, const double *B,
                   double beta,
                   double *C);

#endif /* CVE_INCLUDE_GUARD_MATRIX_ */