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#include <flens/lapack/interface/include/config.h>
namespace flens { namespace lapack {
extern "C" {
//-- dgeevx --------------------------------------------------------------------
void
LAPACK_DECL(dgeevx)(const char *BALANC,
const char *JOBVL,
const char *JOBVR,
const char *_SENSE,
const INTEGER *N,
DOUBLE *A,
const INTEGER *LDA,
DOUBLE *WR,
DOUBLE *WI,
DOUBLE *VL,
const INTEGER *LDVL,
DOUBLE *VR,
const INTEGER *LDVR,
INTEGER *ILO,
INTEGER *IHI,
DOUBLE *SCALE,
DOUBLE *ABNRM,
DOUBLE *RCONDE,
DOUBLE *RCONDV,
DOUBLE *WORK,
const INTEGER *LWORK,
INTEGER *IWORK,
INTEGER *INFO)
{
LAPACK_DEBUG_OUT("LAPACK INTERFACE: dgeevx");
using std::max;
using std::min;
//
// Test the input parameters so that we pass LAPACK error checks
//
*INFO = 0;
const bool lQuery = (*LWORK==-1);
const bool wantVL = (*JOBVL=='V');
const bool wantVR = (*JOBVR=='V');
const bool wantSNN = (*_SENSE=='N');
const bool wantSNE = (*_SENSE=='E');
const bool wantSNV = (*_SENSE=='V');
const bool wantSNB = (*_SENSE=='B');
if (*BALANC!='N' && *BALANC!='S' && *BALANC!='P' && *BALANC!='B') {
*INFO = 1;
} else if ((!wantVL) && (*JOBVL!='N')) {
*INFO = 2;
} else if ((!wantVR) && (*JOBVR!='N')) {
*INFO = 3;
} else if (!(wantSNN || wantSNE || wantSNB || wantSNV)
|| ((wantSNE || wantSNB ) && !(wantVL && wantVR)))
{
*INFO = 4;
} else if (*N<0) {
*INFO = 5;
} else if (*LDA<max(INTEGER(1),*N)) {
*INFO = 7;
} else if (*LDVL<1 || (wantVL && *LDVL<*N)) {
*INFO = 11;
} else if (*LDVR<1 || (wantVR && *LDVR<*N)) {
*INFO = 13;
}
if (*INFO!=0) {
LAPACK_ERROR("DGEEVX", INFO);
*INFO = -(*INFO);
return;
}
//
// Setup FLENS matrix/vector types
//
BALANCE::Balance balance = BALANCE::Balance(*BALANC);
SENSE::Sense sense = SENSE::Sense(*_SENSE);
ASSERT(char(balance)==*BALANC);
ASSERT(char(sense)==*_SENSE);
typedef typename DGeMatrixView::IndexType IndexType;
DGeMatrixView _A = DFSView(*N, *N, *LDA, A);
DDenseVectorView _WR = DArrayView(*N, WR, 1);
DDenseVectorView _WI = DArrayView(*N, WI, 1);
DGeMatrixView _VL = DFSView(*N, *N, *LDVL, VL);
DGeMatrixView _VR = DFSView(*N, *N, *LDVR, VR);
IndexType _ILO = *ILO;
IndexType _IHI = *IHI;
DDenseVectorView _SCALE = DArrayView(*N, SCALE, 1);
DDenseVectorView _RCONDE = DArrayView(*N, RCONDE, 1);
DDenseVectorView _RCONDV = DArrayView(*N, RCONDV, 1);
DDenseVectorView _WORK = DArrayView(*LWORK, WORK, 1);
IDenseVector _IWORK(*N * 2 - 2);
for (int i=1; i<=_IWORK.length(); ++i) {
_IWORK(i) = IWORK[i-1];
}
//
// Test if work has at least minimal worksize
//
auto ws = evx_wsq(wantVL, wantVR, sense, _A);
if (*LWORK<ws.first && !lQuery) {
*INFO = 21;
}
if (*INFO!=0) {
LAPACK_ERROR("DGEEVX", INFO);
*INFO = -(*INFO);
return;
}
//
// Call FLENS implementation
//
evx(balance, wantVL, wantVR, sense, _A, _WR, _WI, _VL, _VR, _ILO, _IHI,
_SCALE, *ABNRM, _RCONDE, _RCONDV, _WORK, _IWORK);
for (int i=1; i<=_IWORK.length(); ++i) {
IWORK[i-1] = _IWORK(i);
}
*ILO = _ILO;
*IHI = _IHI;
}
//-- zgeevx --------------------------------------------------------------------
void
LAPACK_DECL(zgeevx)(const char *BALANC,
const char *JOBVL,
const char *JOBVR,
const char *_SENSE,
const INTEGER *N,
DOUBLE_COMPLEX *A,
const INTEGER *LDA,
DOUBLE_COMPLEX *W,
DOUBLE_COMPLEX *VL,
const INTEGER *LDVL,
DOUBLE_COMPLEX *VR,
const INTEGER *LDVR,
INTEGER *ILO,
INTEGER *IHI,
DOUBLE *SCALE,
DOUBLE *ABNRM,
DOUBLE *RCONDE,
DOUBLE *RCONDV,
DOUBLE_COMPLEX *WORK,
const INTEGER *LWORK,
DOUBLE *RWORK,
INTEGER *INFO)
{
LAPACK_DEBUG_OUT("LAPACK INTERFACE: zgeevx");
using std::max;
using std::min;
//
// Test the input parameters so that we pass LAPACK error checks
//
*INFO = 0;
const bool lQuery = (*LWORK==-1);
const bool wantVL = (*JOBVL=='V');
const bool wantVR = (*JOBVR=='V');
const bool wantSNN = (*_SENSE=='N');
const bool wantSNE = (*_SENSE=='E');
const bool wantSNV = (*_SENSE=='V');
const bool wantSNB = (*_SENSE=='B');
if (*BALANC!='N' && *BALANC!='S' && *BALANC!='P' && *BALANC!='B') {
*INFO = 1;
} else if ((!wantVL) && (*JOBVL!='N')) {
*INFO = 2;
} else if ((!wantVR) && (*JOBVR!='N')) {
*INFO = 3;
} else if (!(wantSNN || wantSNE || wantSNB || wantSNV)
|| ((wantSNE || wantSNB ) && !(wantVL && wantVR)))
{
*INFO = 4;
} else if (*N<0) {
*INFO = 5;
} else if (*LDA<max(INTEGER(1),*N)) {
*INFO = 7;
} else if (*LDVL<1 || (wantVL && *LDVL<*N)) {
*INFO = 10;
} else if (*LDVR<1 || (wantVR && *LDVR<*N)) {
*INFO = 12;
}
if (*INFO!=0) {
LAPACK_ERROR("ZGEEVX", INFO);
*INFO = -(*INFO);
return;
}
//
// Setup FLENS matrix/vector types
//
BALANCE::Balance balance = BALANCE::Balance(*BALANC);
SENSE::Sense sense = SENSE::Sense(*_SENSE);
ASSERT(char(balance)==*BALANC);
ASSERT(char(sense)==*_SENSE);
typedef typename DGeMatrixView::IndexType IndexType;
auto zA = reinterpret_cast<CXX_DOUBLE_COMPLEX *>(A);
auto zW = reinterpret_cast<CXX_DOUBLE_COMPLEX *>(W);
auto zVL = reinterpret_cast<CXX_DOUBLE_COMPLEX *>(VL);
auto zVR = reinterpret_cast<CXX_DOUBLE_COMPLEX *>(VR);
auto zWORK = reinterpret_cast<CXX_DOUBLE_COMPLEX *>(WORK);
ZGeMatrixView _A = ZFSView(*N, *N, *LDA, zA);
ZDenseVectorView _W = ZArrayView(*N, zW, 1);
ZGeMatrixView _VL = ZFSView(*N, *N, *LDVL, zVL);
ZGeMatrixView _VR = ZFSView(*N, *N, *LDVR, zVR);
IndexType _ILO = *ILO;
IndexType _IHI = *IHI;
DDenseVectorView _SCALE = DArrayView(*N, SCALE, 1);
DDenseVectorView _RCONDE = DArrayView(*N, RCONDE, 1);
DDenseVectorView _RCONDV = DArrayView(*N, RCONDV, 1);
ZDenseVectorView _WORK = ZArrayView(*LWORK, zWORK, 1);
DDenseVectorView _RWORK = DArrayView(2*(*N), RWORK, 1);
//
// Test if work has at least minimal worksize
//
auto ws = evx_wsq(wantVL, wantVR, sense, _A);
if (*LWORK<ws.first && !lQuery) {
*INFO = 20;
}
if (*INFO!=0) {
LAPACK_ERROR("ZGEEVX", INFO);
*INFO = -(*INFO);
return;
}
//
// Call FLENS implementation
//
evx(balance, wantVL, wantVR, sense, _A, _W, _VL, _VR, _ILO, _IHI,
_SCALE, *ABNRM, _RCONDE, _RCONDV, _WORK, _RWORK);
*ILO = _ILO;
*IHI = _IHI;
}
} // extern "C"
} } // namespace lapack, flens
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