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#define STR(x) #x
#define STRING(x) STR(x)
#include <flens/lapack/interface/include/config.h>
namespace flens { namespace lapack {
extern "C" {
//-- dgetrs --------------------------------------------------------------------
void
LAPACK_DECL(dgetrs)(const char *TRANS,
const INTEGER *N,
const INTEGER *NRHS,
const DOUBLE *A,
const INTEGER *LDA,
const INTEGER *IPIV,
DOUBLE *B,
const INTEGER *LDB,
INTEGER *INFO)
{
LAPACK_DEBUG_OUT("LAPACK INTERFACE: dgetrs");
//
// Test the input parameters so that we pass LAPACK error checks
//
*INFO = 0;
if (*TRANS!='N' && *TRANS!='T' && *TRANS!='C') {
*INFO = -1;
} else if (*N<0) {
*INFO = -2;
} else if (*NRHS<0) {
*INFO = -3;
} else if (*LDA<std::max(INTEGER(1), *N)) {
*INFO = -5;
} else if (*LDB<std::max(INTEGER(1), *N)) {
*INFO = -8;
}
if (*INFO!=0) {
*INFO = -(*INFO);
LAPACK_ERROR("DGETRS", INFO);
*INFO = -(*INFO);
return;
}
//
// Call FLENS implementation
//
Transpose trans = convertTo<Transpose>(*TRANS);
DConstGeMatrixView A_ = DConstFSView(*N, *N, *LDA, A);
IConstDenseVectorView IPIV_ = IConstArrayView(*N, IPIV, 1);
DGeMatrixView B_ = DFSView(*N, *NRHS, *LDB, B);
trs(trans, A_, IPIV_, B_);
}
//-- zgetrs --------------------------------------------------------------------
void
LAPACK_DECL(zgetrs)(const char *TRANS,
const INTEGER *N,
const INTEGER *NRHS,
const DOUBLE_COMPLEX *A,
const INTEGER *LDA,
const INTEGER *IPIV,
DOUBLE_COMPLEX *B,
const INTEGER *LDB,
INTEGER *INFO)
{
LAPACK_DEBUG_OUT("LAPACK INTERFACE: zgetrs");
//
// Test the input parameters so that we pass LAPACK error checks
//
*INFO = 0;
if (*TRANS!='N' && *TRANS!='T' && *TRANS!='C') {
*INFO = -1;
} else if (*N<0) {
*INFO = -2;
} else if (*NRHS<0) {
*INFO = -3;
} else if (*LDA<std::max(INTEGER(1), *N)) {
*INFO = -5;
} else if (*LDB<std::max(INTEGER(1), *N)) {
*INFO = -8;
}
if (*INFO!=0) {
*INFO = -(*INFO);
LAPACK_ERROR("ZGETRS", INFO);
*INFO = -(*INFO);
return;
}
//
// Call FLENS implementation
//
const auto zA = reinterpret_cast<const CXX_DOUBLE_COMPLEX *>(A);
auto zB = reinterpret_cast<CXX_DOUBLE_COMPLEX *>(B);
Transpose trans = convertTo<Transpose>(*TRANS);
ZConstGeMatrixView _A = ZConstFSView(*N, *N, *LDA, zA);
IConstDenseVectorView _IPIV = IConstArrayView(*N, IPIV, 1);
ZGeMatrixView _B = ZFSView(*N, *NRHS, *LDB, zB);
trs(trans, _A, _IPIV, _B);
}
} // extern "C"
} } // namespace lapack, flens
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