LAPACK  3.8.0
LAPACK: Linear Algebra PACKage

◆ LAPACKE_ztgexc()

lapack_int LAPACKE_ztgexc ( int  matrix_layout,
lapack_logical  wantq,
lapack_logical  wantz,
lapack_int  n,
lapack_complex_double a,
lapack_int  lda,
lapack_complex_double b,
lapack_int  ldb,
lapack_complex_double q,
lapack_int  ldq,
lapack_complex_double z,
lapack_int  ldz,
lapack_int  ifst,
lapack_int  ilst 
)

Definition at line 36 of file lapacke_ztgexc.c.

43 {
44  if( matrix_layout != LAPACK_COL_MAJOR && matrix_layout != LAPACK_ROW_MAJOR ) {
45  LAPACKE_xerbla( "LAPACKE_ztgexc", -1 );
46  return -1;
47  }
48 #ifndef LAPACK_DISABLE_NAN_CHECK
49  if( LAPACKE_get_nancheck() ) {
50  /* Optionally check input matrices for NaNs */
51  if( LAPACKE_zge_nancheck( matrix_layout, n, n, a, lda ) ) {
52  return -5;
53  }
54  if( LAPACKE_zge_nancheck( matrix_layout, n, n, b, ldb ) ) {
55  return -7;
56  }
57  if( wantq ) {
58  if( LAPACKE_zge_nancheck( matrix_layout, n, n, q, ldq ) ) {
59  return -9;
60  }
61  }
62  if( wantz ) {
63  if( LAPACKE_zge_nancheck( matrix_layout, n, n, z, ldz ) ) {
64  return -11;
65  }
66  }
67  }
68 #endif
69  return LAPACKE_ztgexc_work( matrix_layout, wantq, wantz, n, a, lda, b, ldb,
70  q, ldq, z, ldz, ifst, ilst );
71 }
lapack_int LAPACKE_ztgexc_work(int matrix_layout, lapack_logical wantq, lapack_logical wantz, lapack_int n, lapack_complex_double *a, lapack_int lda, lapack_complex_double *b, lapack_int ldb, lapack_complex_double *q, lapack_int ldq, lapack_complex_double *z, lapack_int ldz, lapack_int ifst, lapack_int ilst)
#define LAPACK_ROW_MAJOR
Definition: lapacke.h:119
#define LAPACK_COL_MAJOR
Definition: lapacke.h:120
void LAPACKE_xerbla(const char *name, lapack_int info)
lapack_logical LAPACKE_zge_nancheck(int matrix_layout, lapack_int m, lapack_int n, const lapack_complex_double *a, lapack_int lda)
int LAPACKE_get_nancheck()
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