void C_LinStatExpCovMPinv(SEXP linexpcov, double tol) {
int pq, pqn;
/* correct working dimension */
pq = get_dimension(linexpcov);
/* reduce dimension to non-zero variance part */
C_linexpcovReduce(linexpcov);
/* reduced dimension */
pqn = get_dimension(linexpcov);
INTEGER(GET_SLOT(GET_SLOT(linexpcov, PL2_svdmemSym), PL2_pSym))[0] = pqn;
/* compute MPinv in reduced dimension */
/* GET_SLOT is assumed NOT to return a fresh object so
we don't PROTECT here */
C_MPinv(PROTECT(GET_SLOT(linexpcov, PL2_covarianceSym)), tol,
PROTECT(GET_SLOT(linexpcov, PL2_svdmemSym)), linexpcov);
UNPROTECT(2);
/* make sure to reset svdmem to original dimension;
the dimension of linexpcov is reset in C_TestStatistic */
INTEGER(GET_SLOT(GET_SLOT(linexpcov, PL2_svdmemSym), PL2_pSym))[0] = pq;
}
void C_LinStatExpCovMPinv(SEXP linexpcov, double tol) {
int pq, pqn;
/* correct working dimension */
pq = get_dimension(linexpcov);
/* reduce dimension to non-zero variance part */
C_linexpcovReduce(linexpcov);
/* reduced dimension */
pqn = get_dimension(linexpcov);
INTEGER(GET_SLOT(GET_SLOT(linexpcov, PL2_svdmemSym), PL2_pSym))[0] = pqn;
/* compute MPinv in reduced dimension */
C_MPinv(GET_SLOT(linexpcov, PL2_covarianceSym), tol,
GET_SLOT(linexpcov, PL2_svdmemSym), linexpcov);
/* make sure to reset svdmem to original dimension;
the dimension of linexpcov is reset in C_TestStatistic */
INTEGER(GET_SLOT(GET_SLOT(linexpcov, PL2_svdmemSym), PL2_pSym))[0] = pq;
}